SERVICE MANUAL Colour Television Product Code: 111374716 Original Version Chassis Series: AC5-G1 C7LV FILE NO. Model No. CP21EF2 Service Ref. No. CP21EF2-00 (Australia) Give complete “SERVICE REF. NO.” for parts order or servicing. It is shown on the rating plate at the cabinet back of the unit. This T.V. receiver will not work properly in foreign countries where the television transmission system and power source dif- fer from the design specifications. Refer to the specification table. REFERENCE NO. SM3010033 JXMRM PICTURE -/-- -/-- P P A•B TIMER TV/AV CH SWAP SOUND CH SCAN BASS CH SURROUND MENU S.SYS C.SYS Specifications Power Source . . . . . . . . . . AC110-240V, 50Hz/60Hz. Colour System . . . . . . . . . PAL/NTSC4.43/NTSC/PAL-60Hz Television System . . . . . . B/G, D/KK’, I, M/M Channel Coverage . . . . . VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13 0-11, 5A (Aus.), 1-11 (NZ) UHF: 21-69, A14-A69, J13-J62, 28-69 (Aus.) CATV: S1-S41, X, Y, Z, Z+1, Z+2 Video IF . . . . . . . . . . . . . . 38.0MHz Aerial Input Impedance . . 75Ω Ext. Terminals Video inputs: Phono jack ✕ 2 (1Vp - p, 75Ω) Audio inputs: Phono jack (L/R) ✕ 2(436mVrms, more than 40KΩ) Video monitor outputs: Phono jack ✕ 1(1Vp - p, 75Ω) Audio monitor outputs: Phono jack (L/R) ✕ 1(436mVrms, less than 600Ω) Sound Output (RMS) . . . . 5W + 5W Speaker . . . . . . . . . . . . . 5 cm ✕ 12 cm ✕ 2 pcs. Dimensions . . . . . . . . . . . 585.4 (W) ✕ 468.4 (H) ✕ 479.4 (D)mm Weight . . . . . . . . . . . . . . approx. 20.8 Kg Specifications subject to change without notice. (Software: AC5-G2) TV/AV MENU CH + -
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SERVICE MANUAL Colour Television
Product Code: 111374716
Original Version
Chassis Series: AC5-G1
C7LV
FILE NO.
Model No. CP21EF2
Service Ref. No. CP21EF2-00
(Australia)
Give complete “SERVICE REF. NO.” forparts order or servicing. It is shown on therating plate at the cabinet back of the unit.
This T.V. receiver will not work properly in foreign countries where the televisiontransmission system and power source dif-fer from the design specifications. Refer tothe specification table.
Video inputs: Phono jack 2 (1Vp - p, 75Ω)Audio inputs: Phono jack (L/R) 2(436mVrms, more than 40KΩ)Video monitor outputs: Phono jack 1(1Vp - p, 75Ω)Audio monitor outputs: Phono jack (L/R) 1(436mVrms, less than 600Ω)
1: An isolation transformer should be connected in thepower line between the receiver and the AC linewhen a service is performed on the primary of theconverter transformer of the set.
2: Comply with all caution and safety-related notes pro-vided on the cabinet back, inside the cabinet, on thechassis or the picture tube.
3: When replacing a chassis in the cabinet, always becertain that all the protective devices are installedproperly, such as, control knobs, adjustment coversor shields, barriers, isolation resistor-capacitor net-works etc.. Before returning any television to thecustomer, the service technician must be sure thatit is completely safe to operate without danger ofelectrical shock.
X-RADIATION PRECAUTION
The primary source of X-RADIATION in television receiver is the picture tube. The picture tube is specially con-structed to limit X-RADIATION emissions. For continued X-RADIATION protection, the replacement tube must bethe same type as the original including suffix letter. Excessive high voltage may produce potentially hazardous X- RADIATION. To avoid such hazards, the high voltage must be maintained within specified limit. Refer to thisservice manual, high voltage adjustment for specific high voltage limit. If high voltage exceeds specified limits,take necessary corrective action. Carefully follow the instructions for + B1 volt power supply adjustment, and highvoltage check to maintain the high voltage within the specified limits.
PRODUCT SAFETY NOTICE
Product safety should be considered when a component replacement is made in any area of a receiver.Components indicated by mark in the parts list and the schematic diagram designate components in whichsafety can be of special significance. It is particularly recommended that only parts designated on the parts listin this manual be used for component replacement designated by mark . No deviations from resistance
wattage or voltage ratings may be made for replacement items designated by mark .
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 2
A10
1T
UN
ER
SA
W
FIL
TE
R
X16
1
IF IN
5/6
IC20
1IF
/VID
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/CH
RO
MA
SE
LEC
TE
D
VID
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OU
T
EX
T. V
IDE
O IN
19 20 21
R-O
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B-O
UT
G-O
UT
IC50
1V
ER
T. /D
EF.
23 27
VE
RT.
OU
T
HO
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15
IC80
1C
PU
T47
1F
BT
HE
AT
ER
Q43
1H
-DR
IVE
Q43
2H
-OU
T
HV
L902
DY
CR
T U
NIT
Q90
1C
RT
T43
1H
-DR
IVE
TR
AN
S.
HV
FO
CU
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SC
RE
EN
R BG
D19
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DA
1901
AR
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FR
ON
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ON
TR
OL
KE
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SW
1901
- S
W19
06
IC80
2E
EP
RO
M43
65SDA
SCL
3212
28
ON-TIMER
RC-IN
KEY-IN
40
RE
AR
AV
TE
RM
INA
L VID
EO
MO
NIT
OR
OU
T
AU
DIO
MO
NIT
OR
OU
T(L
EF
T)
AU
DIO
MO
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OR
OU
T(R
IGH
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46 44
Q18
2V
IDE
O O
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INT.
VID
EO
IN
42
VID
EO
IN
AU
DIO
IN
(LE
FT
)
AU
DIO
IN
(RIG
HT
)
SP
901
IC00
1 A
UD
IO A
MP.
26
AU
DIO
C
ON
TRO
L/S
UR
RO
UN
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1A
UD
IOT
V O
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265
130
L-O
UT
SP
902
128
21R
-OU
T
52 54
SIF
OU
T
SIF
INRGB
MATRIX
1920
21
OSD R-OUT
OSD B-OUT
OSD G-OUT
OS
D R
-IN
OS
D B
-IN
OS
D G
-IN
14 15 16
180V9V
L-O
UT
R-O
UT
RE
AR
AV
TE
RM
INA
L
FR
ON
TA
V T
ER
MIN
AL
VID
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IN
AU
DIO
IN
(LE
FT
)
AU
DIO
IN
(RIG
HT
)
292 3
28 27
IC37
01
4
L -
TV
- L
L - A
V -
R
L - A
V -
L
R -
AV
- R
SW
ITC
H
VR
631
130V
24V
11V
9V
5VR
CR
eg.
PO
WE
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UP
PLY
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CU
IT
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ON
VE
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TR
AN
S.
-3-
Chassis Block Diagrams (MAIN SIGNAL PROCESSING CIRCUIT)
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 3
-4-
Chassis Block DiagramsSYSTEM CONTROL
11 12
CO
LOU
R S
YS
TE
M O
PT
ION
INP
UT
KE
Y S
WIT
CH
INK
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SW
ITC
H
SC
L2 1 31
SD
A
PO
WE
R O
N/O
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PH
OT
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(O
N=
HIG
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=LO
W)
IC20
1IF
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OM
A/D
EF
.
IC80
1C
PU
QX
XA
VC
488P
22 19 20 21 18 17 273
476322833
OS
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(Act
ive=
Hig
h)
OS
D R
ED
OU
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ctiv
e=H
igh)
OS
D G
RE
EN
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ctiv
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igh)
OS
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OU
T(A
ctiv
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igh)
DE
FLE
CT
ION
CIR
CU
IT
HO
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NC
IN (
AC
TIV
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LOW
)
VE
RT
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NC
IN (
AC
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LOW
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PO
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RO
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IN
(P
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OW
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ITet
c.
SCL
SDA
IC80
2M
EM
OR
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OS
CX
801
32.7
68K
Hz
CP
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OU
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CP
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SC
IN
LED
ON
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LE
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UT
(ON
TIM
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ON
=Lo
w)
RC
SIG
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(AC
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RC
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MP
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IC
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A10
1F
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UN
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AF
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SE
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RE
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56
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01A
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TR
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54
QX
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305P
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 4
-5-
IC Block DiagramsIC201 < IF/Video/Chroma/Def. > LA76818A
1
DC
V
OL
SW F
M
DE
T
23
45
6
IF
AG
C
RF
A
GC
VIF
78
910
IF
VC
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13
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AK
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BLA
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TR
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CH
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EP
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AB
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DC
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CLA
MP
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D
CO
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ST
B
RIG
HT
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1819
20
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RA
ST
B
RIG
HT
RG
B
MAT
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OS
D
SW
DR
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/OU
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F
VC
C21
2223
FS
C/
SY
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SW
2425
2627
VE
R
RA
MP
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VC
CH
VC
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C/D
HO
R
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PH
AS
E
SH
IFT
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AF
C2
AF
C1
VE
R
SE
P
HO
R
C/D
1/256
CO
LOR
C
LAM
P
LPF
A
LC+
SW
CLA
MP
DE
MO
PAL
SW
AC
C
BP
F
ON
/OF
F
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LAY
LINE
SW
TR
AP
AF
TV
IDE
O
DE
T
TR
AP
LIM
AM
P
BP
F
SP
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BP
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VID
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IF
IDE
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PC
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S.
CLA
MP
VC
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HO
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2829
3031
321H
V
CC
3334
3536
3738
3940
4142
CLM
P
4344
45
CLM
P
V/C
VC
C
5V
4647
4849
50
A2C
P
LL
5152
5354Audio Output
FM Output/Selected Audio Output
PIF AGC
RF AGC Output
PIF Input1
PIF Input 2
IF Ground
IF Vcc
FM Filter
AFT Output
Bus Data
Bus Clock
ABL
Red Input
Green Input
Blue Input
Fast Blanking Input
RGB Vcc
Red Output
Green Output
Blue Output
fsc output or CSync output
Vertical Output
Ramp ALC Filter
Horizontal/BUS Vcc
Horizontal Output
Horizontal AFC Filter
Flyback Pulse Input
VCO IREF
Clock (4MHz) Outupt
CCD Vcc
CCD Filter
CCD/Horizontal Ground
SECAM B-Y Input (Cb Input)
SECAM R-Y Input (Cr Input)
Chroma APC2 Filter
Clamp Filter
4.43 MHz Crystal
Chroma APC1 Filter
Selected Video Output
Video/Vertical/BUS Ground
External Video Input(Y-IN)
Video/Vertical Vcc
Internal Video Input (S-C IN)
Black Level Detector
Video Output
VCO Filter
VCO Coil 2
VCO Coil 1
APC Filter
Ext. Audio Input
SIF Output
SIF APC Filter
SIF Input
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 5
IC Block Diagrams
-6-
IC201 <IF System Block Diagram> LA76818A
1112
BU
S
Inte
rfac
e
SA
W
5 6 4 8 7
PIF
In
1
PIF
In
2
IF In
9V
30K
RF
AG
C
Out
120K
IF V
CC
IF
GN
D
VIF
AM
P
VIF
1V
IF 2
VIF
3
IF A
GC
D
rive
RF
A
GC
2ndI
F
AG
C
RF
AG
C
Del
ay
6bit
IF A
GC
D
ef
1bit
+ - (6 V
cc)/
7
To
BU
S
3
0.02
2uP
IF
AG
CIF
AG
C
Dat
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lock
AP
C
Det
+π/
4
-π/4
Snd
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IF.O
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Trap
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PC
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Chr
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scal
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500K
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IF
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Filt
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1K
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5bit
Chr
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SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 6
-7-
IC Block DiagramsIC001 < Audio AMP.> AN7522N
1 2 3 4 5 6 7 8 9 10 11 12VCC OUT1
(+)OUT1
(-)OutputGND
Standby IN1 IN2 Vol.InputGND
OUT2(-)
OUT2(+)
OutputGND
+ - +- + - +-
IC3701 < Audio Control & Surround > NJW1142M
6 8
1
720 10
25
22
NJRCORIGINAL
SURROUND &
SIMULATED STEREO
IIC BUSINTERFACE
AGC
BIAS
TONEVOL 1
TONEVOL 1
VOL 2
VOL 2
19
18
14
13
16
15
17
30
212324
12
11
IN 1a
AGC TONE Ha TONE La OUT a
CVa
CVb
CTH
CTL
CSR
SCL
SDA
V+
GND
VREFOUT b
SR-FIL
TONE Hb TONE Lb
5MONa
-2dB
SEL2IN 2a
3IN 3a
4IN 4a
IN 1b
SELIN 2b
IN 3b
IN 4b
29
28
27
MONb
-2dB26
9
+4.5 dB
LINEa
LINEb
+4.5 dB
IC501 < Vertical Output > LA78040/LA78040N
ThermalProtection
-
+AMP
PumpUp
1
INV
ER
TIN
G
INP
UT
2
Vcc
3
PU
MP
UP
O
UT
4
GN
D
5
Ver
. OU
TP
UT
6
OU
TP
UT
S
TAG
E V
cc
7
NO
N IN
V.
INP
UT
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 7
-8-
Service Information
This TV set has a built-in power supply protection circuit.It is provided to protect the TV set in case of a power supply circuit malfunctions. When something abnormalityoccurs during TV reception, the TV set goes to the stand-by mode.
When an abnormality occurs during TV reception, it causes pin 27 of the CPU to go continually Low for aboutone second. The CPU detects that this has occurred and outputs the signal from pin 31 to switch off the powersupply lines.
Releasing the protective circuit and restoring power supply
To release the protective circuit and restore power supply, turn the power to the TV set OFF and then ON againvia either the main power switch or the ON-OFF button on the remote control. This will work only if the powersupply trouble was temporary. If there is permanent trouble such as a damaged circuit, power cannot berestored and the circuit will have to be repaired.
Protection Circuit
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 8
-9-
Service Adjustments with Replacing Memory IC(IC802)
Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance. The necessary service adjustments are carried out by using the RC handset. Please set up the TV set with following steps [1] to [2].
[1] Initializing Procedure1. Put a new memory IC.2. Turn on the TV set.3. Press and hold the TV/AV Selector on the TV set for more than 2 seconds. The following picture appears on the
screen.
4. Press the PROGRAMME UP on the TV set while the above On-Screen Display is still on the screen. The followingpicture appears on the screen.
This completes the initialization of memory IC.
Following shows the initialized contents of memory data by this procedure.- Plug & play : No executed- Inhibit data : Cancelled- Ch skip data : Cancelled- Sound volume data : 10/63 steps.- Volume Lock : OFF- Tuning Lock : OFF- Colour system : AUTO
1
CLR
Press and hold for more than 2 seconds
TV/AV MENU +-
[2] Required Service AdjustmentsReadjust the following service adjustments.Adjustments Service Mode No. & ItemRF AGC Item 01, RF AGCHorizontal centre Item 02, H-PHAVertical size Item 04, V-SIZVertical-S correction Item 05, V-SCOVertical linearity Item 06, V-LINGray scale Item 14-17, 19-21
Further adjustment please refer to page 13 and 14.
CH+-
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 9
-10-
Service Adjustments with Replacing Memory IC(IC802)
29 RBGB 0~15 8 R-Y, B-Y Gain Blance Adj. (Do not change.)
30 RBAG 0~15 8 R-Y, B-Y Angle Adj. (Do not change.)
31 G-YAN 0,1 0 NTSC G-Y Angle Adj.
32 RBGBN -16~+15 0 NTSC R-Y, B-Y Gain Balance Adj.
33 RBAGN -16~+15 0 NTSC G-Y, B-Y Angle Adj.
34 COGV 0~3 0 Coring Gain Adj.
35 BLKS 0~3 3 Setting of Black stretch start.
36 BLKG 0~3 3 Setting of Black stretch gain.
37 BRTA 0,1 0 On and off of ABL.
38 BRST 0,1 0 Setting of ABL.
39 BRTH 0~7 0 Setting of ABL.
40 WPL 0~3 2 White peak limitter.
41 YGAM 0~3 0 Y Gamma setting.
42 PORW 0,1 0 Switching of Pre-shoot and
Over shoot in AV mode.
Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments.Service mode adjustments table in CPU ROM
DATA INITIALNo. ITEM RANGE SETUP DESCRIPTION
DATA
43 PORS 0~3 2 Pre-shoot/Over shoot Adj. in AV mode.
44 RFCO 0~3 0 RF Coring Gain Adj.
45 PORWN 0,1 0 Switching of RF Pre-shoot and Over shoot.
46 PORSN 0~3 0 RF Pre-shoot/Over shoot Adj.
47 TINT -16~+15 0 RF Tint Adj.
48 TINT443 -16~+15 -12 NTSC 4.43 Tint Adj.
49 SHRF -32~+31 0 RF Sharpness Adj.
50 TEXTC -128~+127 0 OSD TEXT Contrast.
51 VOLUM 0~255 127 Volume Control Adj.
52 DEEM 0~1 0 De emphasis TC.
53 VIFSW 0~3 0 VIF System Switch.
54 SIFSW 0~3 1 SIF System Switch.
55 V-LVL 0~7 4 Video Level Adj.
56 FMLVL 0~31 16 FM Level Adj.
57 IFOM-S 0,1 0 Over Modulation Switch
58 IFMN-S 0,1 1 Audio Monitor Switch
59 IFTRAPS 0,1 1 SIF Trap Switch ON/OFF
60 IFMLVL 0~255 136 Video Level & Modulation
61 TRAP-T 0~7 4 Trap Test
62 H-FRQ 0~63 34 Horizontal Frequency
63 FBTS 0,1 0 FBT Blanking Switch
64 COOP 0~7 7 Color Killer Option
65 HBLKL 0∼7 7 H-Blanking Control. (Left)
66 HBLKR 0∼7 3 H-Blanking Control. (Right)
67 AFCRF 0,1 0 RF AFC gain & Gate Adj.
68 VSRF 0,1 0 RF Vert. Sync. Separation Adj.
69 CDMRF 0~7 0 RF Vert. Count-Down Circuit Adj.
70 AFCAV 0,1 1 AV AFC Gain & Gate Adj.
71 VSUAV 0,1 0 AV Vert Sync. Separation Adj.
72 CDMAV 0~7 0 AV Vert Count-Down Circuit Adj.
73 HLVDRF 0,1 1 H Lock, V Detect RF
74 HLVDAV 0,1 1 H Lock, V Detect AV
75 VCO-SW 0,1 0 C-VCO Adj. Switch
76 VCO-ADJ 0~3 3 C-VCO Adj.
77 CROSS-BW 0~3 0 Output Pattern Picture
78 AVNCON 0~127 64 AV Blue Back Signal Contrast
79 AVNBRI 0~127 64 AV Blue Back Signal Brightness
80 POMT 0~127 25 Power Mute Time Adj.
81 CHMT 0~31 10 Channel Change Mute time Adj.
82 SYST 0~15 5 The number of times that a colour system AUTO is judged.
83 S-STE 0~3 2 Stereo/Mono Option. 0=MONO,
1=SIMPLE AV STEREO, 2,3=AV STEREO
84 VOLTBL 0~1 1 Volume Table
85 MPP 0,1 0 Multi Personal Preference function on/off
o=without M.P.P., 1=with M.P.P.
/JE0067C
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 10
-11-
Service Adjustments with Replacing Memory IC(IC802)
Notes: The initial value that the CPU writes down the CPU ROM data to the memory when replaced the memory IC. TV set may not operate correctly with this initial value. It is required to set up the fine adjustment for service adjustments described in the above.
DATA INITIALNo. ITEM RANGE SETUP DESCRIPTION
DATA
86 TUNER 0,1 0 Tuner Option
87 AV123 0~3 0 AV1/AV2/AV3 Option, 0=AV only,
1=AV1, AV2, 2~3=AV1, AV2,AV3
88 OPT POS 0,1 1 Programme number Option,
Position No. Option, 0=100 pos., 1=256 pos.
89 GAME 0,1 1 GAME Option,
0=without GAE, 1=with GAME
90 LANGUAGE 0,1 1 Language Option,
0=without Language, 1=with Language
91 OPT COL 0~7 3 Colour System Option, 0~1=PAL only,
2=VMT, 3=China/Indonesia, 4=3 System,5~7=Multi
92 OPT SIF 0~7 3 SIF System Option
93 OPT BASS 0~3 2 Bass Expander Option,
0=without BASS, 1~2=BASS EXPANDER,3=WOOFER
94 OPT SURR 0,1 1 Surround Option,
0=without SURROUND, 1=with SURROUND
95 SUB-BT 0,1,2 0 Audio IC (NJW1142)Sub Bass Treble adj.
96 A-AGC 0,1,2 1 Audio IC (NJW1142) AGC adj.
300 R00 0~255 154 ROM Correction
301 R01 0~255 242 ROM Correction
302 R02 0~255 166 ROM Correction
303 R03 0~255 246 ROM Correction
304 R04 0~255 3 ROM Correction
305 R05 0~255 0 ROM Correction
306 R06 0~255 0 ROM Correction
307 R07 0~255 0 ROM Correction
308 R08 0~255 2 ROM Correction
309 R09 0~255 229 ROM Correction
310 R10 0~255 144 ROM Correction
311 R11 0~255 13 ROM Correction
312 R12 0~255 239 ROM Correction
313 R13 0~255 141 ROM Correction
314 R14 0~255 238 ROM Correction
315 R15 0~255 141 ROM Correction
316 R16 0~255 237 ROM Correction
317 R17 0~255 141 ROM Correction
318 R18 0~255 236 ROM Correction
319 R19 0~255 141 ROM Correction
320 R20 0~255 235 ROM Correction
321 R21 0~255 141 ROM Correction
322 R22 0~255 33 ROM Correction
323 R23 0~255 155 ROM Correction
324 R24 0~255 6 ROM Correction
325 R25 0~255 33 ROM Correction
DATA INITIALNo. ITEM RANGE SETUP DESCRIPTION
DATA
326 R26 0~255 154 ROM Correction
327 R27 0~255 246 ROM Correction
328 R28 0~255 0 ROM Correction
329 R29 0~255 0 ROM Correction
330 R30 0~255 0 ROM Correction
331 R31 0~255 0 ROM Correction
332 R32 0~255 0 ROM Correction
333 R33 0~255 0 ROM Correction
334 R34 0~255 0 ROM Correction
335 R35 0~255 0 ROM Correction
336 R36 0~255 0 ROM Correction
337 R37 0~255 0 ROM Correction
338 R38 0~255 0 ROM Correction
339 R39 0~255 0 ROM Correction
340 R40 0~255 107 ROM Correction
341 R41 0~255 127 ROM Correction
342 R42 0~255 7 ROM Correction
343 R43 0~255 3 ROM Correction
344 R44 0~255 234 ROM Correction
345 R45 0~255 144 ROM Correction
346 R46 0~255 3 ROM Correction
347 R47 0~255 33 ROM Correction
348 R48 0~255 166 ROM Correction
349 R49 0~255 249 ROM Correction
350 R50 0~255 33 ROM Correction
351 R51 0~255 167 ROM Correction
352 R52 0~255 34 ROM Correction
353 R53 0~255 0 ROM Correction
354 R54 0~255 0 ROM Correction
355 R55 0~255 0 ROM Correction
366 R12 0~255 0 ROM Correction
367 R13 0~255 0 ROM Correction
368 R68 0~255 0 ROM Correction
369 R69 0~255 0 ROM Correction
370 R70 0~255 0 ROM Correction
371 R71 0~255 0 ROM Correction
372 R72 0~255 160 ROM Correction
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 11
-/--
CH
CH
-12-
Service Adjustments with Replacing Memory IC(IC802)
ADDRESSDRV
SI. 00100101S2.11111000DATA
B 6421 R 64ADDRESS
V-SCO
SI. 00100101S2.11111000DATA
905
ADDRESSRF AGC
SI. 00100101S2.11111000DATA
3001
[Entering to Service Mode]
1. Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set.Following setting items appears on the screen.
Display for [V-SCO] V-S Correction adjustment
Read Status
Item No. Item Data value
Display for [RF AGC] RF AGC adjustment
Read Status
Item No. Item Data value
Data value for Red
Display for [DRV] White balance adjustment
Read Status
Item No. Item
Data value for Blue
To return to normal TV mode, press the MENU button on the TV set or the remote control handset.
2. Select item by pressing the TIMER (Item No. UP) or SOUND MUTE (Item No. DOWN) button on the remote controlhandset.
3. Adjust data value by pressing the VOLUME + or VOLUME - button on the remote control handset.
Example
-/--MENU
MENU
0102030405......96... ...9695949391......01
MENU CH+-
-/---/--
TIMER
05
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 12
-13-
Service Mode AdjustmentsFollowing adjustments should be carried out when the memory IC is replaced. How to enter the service mode andadjust values, please refer to “ Entering to Service mode” on page 12.
NOTE: Do not attempt this adjustment with weak signal.(1) Tune the receiver to most clearest (or strongest) VHF
station in your area. Set the brightness and contrastcontrols to maximum. Set the colour control to minimum.
(2) Select [RF AGC] in the service mode.(3) Change value until the snow noise just disappears.(4) Exit from service mode.
Item 01 [RF AGC] AGC
(1) Receive a monochrome circular pattern.(2) Set the brightness and contrast to normal.(3) Select [H-PHA] in the service mode.(4) Change value to be optimum horizontal centre position. (5) Exit from service mode.
Item 02 [H-PHA] HORIZONTAL CENTRE
(1) Receive a monochrome circular pattern.(2) Set the brightness and contrast to maximum.(3) Select [V-SIZ] in the service mode.(4) Change value to be optimum vertical size.(5) Exit from service mode.
Item 04 [V-SIZ] VERTICAL SIZE
(1) Receive a crosshatch pattern.(2) Select a picture mode of NATURAL by pressing the
PICTURE MODE button.(3) Select [V-SCO] in the service mode.(4) Adjust Vertical S-letter Correction so that the difference
of “c”, “d” and “e” becomes less than 2 mm by pressingthe VOLUME + or - button.
(5) Confirm Vertical Linearity and adjust Vertical Center then Vertical Size.
(6) Exit from service mode.
Item 05 [V-SCO] V-S CORRECTION
c Upper
Center
Bottom
d
e
(1) Receive a crosshatch pattern.(2) Select a picture mode of NATURAL by pressing the
PICTURE MODE button.(3) Select [V-LIN] in the service mode.(4) Adjust Vertical Linearity so that the difference of “a” and
“b” becomes less than 3mm by pressing VOLUME + or- button.
(5) Exit from service mode.
Item 06 [V-LIN] VERTICAL LINEARITY
a
b
Upper
Center
Bottom
Horizontal centre
Vertical size
Note: When adjust V-SIZ, V-SCO, and V-Linearity, the position of SW501 should be set as center.
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 13
-14-
E
107
9
7
R732
R51
634
JP441
J507
J50
KDY-6
KDY-5
KDY-4
KDY-3
KDY-1
T471A
T471FBT
T471-H4
T471-H7
T471-H12
T471-H10
T471-H1T471-H2
L441-H2
L441-H1
T471-H11
C524D485
R488
R424
C471
L631
R481
J509
R516
C491
KQ
R355
J501
31
JW4
C641D631
C631JP631
1AA4B10S0180A
1D611 C611
L441
L441A
L441-H3
C435C435B
C437
C435AC435-H3
C435-H2C435-H1
C441BC441A
D441
C435-H4
C441-H3
TP-B
R628
R629
C629
Q615
R621
D618
R622Q616
R624 R623
C615
C645
Q613-H
T611-H10
T611-H7
Q613-H3
Q613-H2
Q613-H5
Q613-H4
JP641
R525
R486
R485
J634
D507
T611-H11
Service Mode Adjustments
MAIN BOARD
SCREEN VR(Under side)
(1) Receive a monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum.(3) Enter to the service mode. (4) Select No. 14 RBIAS (Red Bias), No, 15 GBIAS (Green Bias), and No. 16 BBIAS (Blue Bias) and set each data to 0
by pressing the VOLUME + or - key.(5) Select No. 17 RDRIV (Red Drive) and No. 19 BDRIV (Blue Drive) and set each data to 64 by pressing the VOLUME
+ or - key.(6) Turn Screen Control on the FBT (T471) to minimum (fully counter-clock-wise).(7) Select No. 20 (1-line appear). (8) Advance Screen Control clockwise to obtain just visible one colour line. If line does not appear, place this control to
maximum (fully clockwise).(9) Raise each Bias Level with 1, 2, 5, 6, 9 and 0 keys to obtain just visible white line.(10) Select No. 21 DRV (Drive Adjustments).(11) Adjust Red and Blue Drive Levels alternately with 3, 4, -/-- or RECALL key to produce normal black an white
picture in highlight areas.(12) Check for proper grayscale at all brightness levels. To turn off the TV Service Menu display, press the MENU key.
Note: If the Grayscale adjustment is made after picture tube replacement, check the High Voltage
Items 14-17, 19-21 GREY SCALE
JXMRM
PICTURE
-/---/--
P P
A•B
TIMER
TV/AV
CH
SWAP SOUND
CH SCAN
BASS
CH
SURROUND
MENU
S.SYS C.SYS
Red Bias -
Red Bias +
Green Bias -
Green Bias +
Blue Bias -
Blue Bias +
Press the MENUbutton to exitfrom service mode.
Red Drive -
Red Drive +
Blue Drive -
Blue Drive +
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 14
-15-
E
107
9
7
R732
R51
634
JP441
J507
J50
KDY-6
KDY-5
KDY-4
KDY-3
KDY-1
T471A
T471FBT
T471-H4
T471-H7
T471-H12
T471-H10
T471-H1T471-H2
L441-H2
L441-H1
T471-H11
C524D485
R488
R424
C471
L631
R481
J509
R516
C491
KQ
R355
J501
31
JW4
C641D631
C631JP631
1AA4B10S0180A
1D611 C611
L441
L441A
L441-H3
C435C435B
C437
C435AC435-H3
C435-H2C435-H1
C441BC441A
D441
C435-H4
C441-H3
TP-B
R628
R629
C629
Q615
R621
D618
R622Q616
R624 R623
C615
C645
Q613-H
T611-H10
T611-H7
Q613-H3
Q613-H2
Q613-H5
Q613-H4
JP641
R525
R486
R485
J634
D507
T611-H11
E
4
E
E
E
E
KE-2KE-1
34
21
KG
T4AL250V
F601
EE
16
1071
E
E
169
71
J031
IC501
C644
IC501-H1
R518
R519C520
C518
R512
D512
J514
R522
D683
R687
R686
Q683
R663
C662Q
661A
D634
C634
J401
D682
C517
J513
R243
C510
R510
R511
J504
J502
J506
R872
J403
R855
R857
J024
J808
R642
J687
J219
J688
R664
R664-H2
R664-H1
JW3
J503
JP683
R267
JP441
J507
J505
KDY-6
KDY-5
KDY-4
KDY-3
KDY-1
L441-H2
L441-H1
R431
C434
C433
Q431
C515
C514
C524
C432J032
L631
J509
R516
R515
R514
IC501-H2
R355
J501
JW4
C641
J633
D631
C631JP631
D633
C633
C643
R638
R639
D686
R637
R635
VR631
D685
C685
1AA4B10S0180A
R433
C521
R645
J645R615
R606
R620
R609
L603
D611
Q61
4
Q611
L604
C611
R612-H1
R612-H2
R604-H2
R604-H1
C614R619
C613
R607
D617
Q612
R613
C612
R603
R604
R612
R611
J604
C607-H1
C607
C607-H2
C608
D613
R618
D610
J605
L605
KG-3
KG-2
1
C628
F601AF601B
TP-EE
C835
L441
L441A
L441-H3
R441
R435
C437 C435-H3
D441
C441-
C441-H3
C441-H4J435
Q661
E
B
D605
C605
D603
R602-H2
D606
C606
J603
R602-H1
R602-H3
R602-H4
C603D604
C604
J030
TP-B
R665
R605
R613-H1
R613-H2
C608A
R628
R629
R617
C611A
C629
C225
R643
C646
D663J666
D662
R669
C610J607
R613Z
R613Z-H2
R613Z-H1
Q615
R621
D618
R622Q616
R624 R623
C615
T611
R616
J608
Q613-H1
C632
J632
C645
J655
Q613
Q613-H
T611-H14
T611-H10
T611-H2
T611-H4
T611-H7
T611A
Q613-H3
Q613-H2
Q613-H5
Q613-H4
J609
JP641
R525
D619
D616
J634
D632
JP632D694
R631
C635
D507
Q635
Q686
T611-H11
T611-H13
T611B
VERT. OUT
+B ADJ.
Service AdjustmentsFollowing adjustments are not required to readjust when replacing the memory IC.
(1) Connect DC meter to TP-B and the ground. (2) Tune the receiver to an active channel and synchro-
nized picture. Select NATURAL picture mode by press-ing the PICTURE MODE button on the remote control.
(3) Adjust B-voltage to be 130 ± 0.5V DC by using VR631.
B-VOLTAGE SUPPLY CHECKING
(1) Receive the monochrome circular pattern.(2) Set the brightness to normal and contrast to maximum.(3) Adjust the focus control on the F.B.T. for the best focus
on the screen centre.
FOCUS ADJUSTMENT
MAIN BOARD
B-Voltage Supply Adjustment
Focus VR(Upper side)
MAIN BOARD
Note: +B (+130V) Voltage Check and Grayscale Adjustmentmust be completed before attempting High Voltage Check.
(1) Connect high voltage voltmeter negative lead to ground, and connect + lead to anode of picture tube.
(2) Tune receiver to an active channel and confirm TV is operating properly.
(3) Maximize the beam current by adjusting the contrast and brightness controls to maximum. Confirm high voltage is within 23.0 KV and 25.0 KV at maximum beam current.
(4) Eliminate the beam current by adjusting the contrast and brightness controls to minimum. Confirm high voltage does not exceed 26.5 KV at zero beam current.
If reading is not within range, check horizontal circuit.
No high-voltage adjustment is provided on this chassis.
HIGH VOLTAGE CHECK
TP-B
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 15
-/--
CH
CH
-/--
CH
CH
-16-
Special Function
OFFOFFOFFOFF
TUNING LOCK
AV START
VOLUME LOCK
MUSIC MODE
SELECT ADJUST M EXIT
OFFONOFFOFF
TUNING LOCK
AV START
VOLUME LOCK
MUSIC MODE
SELECT ADJUST M EXIT
TUNING LOCK
AV START
VOLUME LOCK
MUSIC MODE
OFFOFFOFFOFF
SELECT ADJUST M EXIT
1 To enter into the special function setting mode, press and hold the MENU button of the remote control, then press thePROGRAMME DOWN button on the TV set.
Once TUNING LOCK is switched on, further channel tuning(Pre-set) is not possible. The Channel Swapping function alsois not possible.
2 Select an item of the special functions by pressing the PROGRAMME UP or DOWN button on the remote controlor the TV set.
3 Set the selected special function “ ON “ by pressing the VOLUME + or - button. To cancel, set to “ OFF”.
(2) Tuning Lock setting
The following special functions can be set up on this TVset.
With this function, a maximum sound volume limit can be set atany level.
(3) Music Mode setting
When Music Mode is ON, Programme position from “247” to“255” and “0” are set Music Mode. Only sound is provided andany picture is not on the screen under Music Mode.
Set AV-START to ON and every time the TV set is switched on,AV position will be the initial programme position.
(4) AV Start setting
TUNING LOCKED
How to set the special function:
Note: When making the VOLUME LOCK setting, set thedesired maximum sound volume by pressing the VOLUME + or- button before entering Special Function setting mode.
AV
MUSICTurns blackscreen
4 Press the MENU button of the remote control to return to the normal TV mode.
(1) Volume Lock setting
SOUNDBASS EXPANDER ON
IIIIIIII
-/--MENU
CH+-
-/--MENU
SM_21-C7LV(Aus) 8/28/04 11:12 AM Page 16
-17-
Purity and Convergence Adjustment
RED
BLUE
Adjust tabs together tosuperimpose red andblue horizontal line.
Figure- 2 BLUE AND RED LINE MOVEMENT Figure- 3 BLUE/RED AND GREEN MOVEMENT
Adjust tabs together tosuperimpose red/blueand green horizontalline.
Adjust tabs angle to superimposeblue and red vertical line.
Adjust tabs angle to superimposered/blue and green vertical line.
GREEN
BLUE / RED
CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustmentshould be made only after picture tube or deflection yoke replacement, following the steps below:
PURITY ADJUSTMENT1. Demagnetize the picture tube and receiver using an external
degaussing coil. When replacing picture tube or deflectionyoke, mount deflection yoke and purity-convergence magnetsassembly properly, see figures 1 and 4.
2. Turn Red and Blue guns off and provide only Green raster.Rotate Screen control to fully counterclockwise. Rotate Redand Blue Bias controls fully counterclockwise. Slowly rotateGreen Bias control clockwise to produce Green raster.
3. Loosen the screw holding the Deflection Yoke and remove the3 Rubber Wedges, and slide the Deflection Yoke fully forward.
4. Rotate and spread the Tabs of the two Purity Magnets to cen-tre the vertical green belt in the picture screen. The PurityMagnets are also adjusted to obtain vertical centring of theraster.
5. Slowly slide the Deflection Yoke backward until a uniformgreen screen is obtained.
6. Check the purity of the red and blue screens for uniformity,turn off other colours to check this (use bias controls).Readjust the yoke position if necessary until all screens arepure.
7. Adjust each Bias control and screen control to obtain whiteraster. Refer to Gray Scale Adjustment. If part of the picturescreen is coloured, adjust the Deflection Yoke position forwardor backward slightly.
8. Tighten the mounting screw of the Deflection Yoke. AdjustConvergence next.
CENTRE CONVERGENCE ADJUSTMENT1. Use a dot crosshatch pattern signal.2. Turn Red and Blue guns on and turn off Green gun. Adjust the
angle between the Tabs of the Four Pole Magnet 1 and 2, andsuperimpose the Red and Blue vertical lines in the centre areaof the picture screen. Refer to figure 2.
3. Keeping the mutual angle of the Tabs of the Four Pole Magnetturn them together to superimpose the Blue and Red horizon-tal lines in the centre area of the picture screen. Refer to fig-ure 2.
4. Turn Green gun on and adjust Six Pole Magnet 3 and 4 thatthe Green line superimposed on the Red/Blue lines.This is the same procedure used in steps 2 and 3.Refer to figure 3.
OUTER AREA CONVERGENCE ADJUSTMENTSlightly loosen the screw holding the Deflection Yoke. Adjust theDeflection Yoke to converge the detail in the outer area (left sideand right side) of the picture screen by orbital movement of thefront of the Yoke, then secure the Deflection Yoke in appropriateposition by putting the wedges as illustrated. Tighten screw hold-ing the Deflection Yoke.
Ref. No. Part No. Description Ref. No. Part No. Description
Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value havespecial significance to product safety. It is particularly recommended that only parts specified on the following partslist be used for components replacement pointed out by the mark.
!
Note: Parts order must contain Service Ref. No., Part No., and descriptions. The main PCB unit will be supplied without tuner andflyback transformer. They should be ordered separately.
Read description in the Capacitor and Resistor as follows:
CAPACITORCERAMIC 100P K 50V
Rated Voltage
Tolerance Symbols:Less than 10pFA : Not specified B : ±0.1pF C : ±0.25pFD : ±0.5pF F : ±1PF G : ±2pFR : ±0.25-0pF S : ±0-0.25pF E : +0-1pFMore than 10pFA : Not specified B : ±0.1% C : ±0.25%D : ±0.5% F : ±1% G : ±2%H : ±3% J : ±5% K : ±10%L : ±15% M : ±20% N : ±30%P : +100-0% Q : +30-10% T : +50-10%U : +75-10% V : +20-10% W : +100-10%X : +40-20% Y : +150-10% Z : +80-20%
INTEGRATED CIRCUITIC001 4095686101 IC AN7522NIC201 4095175912 IC LA76818AIC202 4092415407 IC BA178M05T
4092654806 IC L78M05CV4091721509 IC MC78M05CT4093205700 IC UPC78M05AHF
IC3701 4095644319 IC NJW1142MIC501 4094494103 IC LA78040
Ref. No. Part No. Description Ref. No. Part No. Description
P List-C7LV 8/27/04 1:27 PM Page 20
4095070900 IC LA78040NIC651 4092415407 IC BA178M05T
4092654806 IC L78M05CV4091721509 IC MC78M05CT4093205700 IC UPC78M05AHF
IC801 4104862007 IC LC863448W-XXXX-TLMIC802 4104958007 IC AT24C16A-10PI-2.7
4094594506 IC 24LC16B/P
CAPACITORC001 4040886600 ELECT 2200U M 25V
4030459867 ELECT 2200U M 25VC011 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC021 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC031 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC1001 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC1002 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC1007 4040871606 ELECT 0.1U M 50V
4030478422 ELECT 0.1U M 50VC101 4040848301 ELECT 470U M 16V
4030441773 ELECT 470U M 16VC1010 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC1011 4040848004 ELECT 220U M 16V
4030430222 ELECT 220U M 16VC1017 4040871606 ELECT 0.1U M 50V
4030478422 ELECT 0.1U M 50VC104 4031133815 CERAMIC 1000P K 50VC106 4040849308 ELECT 47U M 50V
4030513123 ELECT 47U M 50VC107 4040849308 ELECT 47U M 50V
4030513123 ELECT 47U M 50VC111 4032152211 CERAMIC 0.01U K 50VC112 4032152211 CERAMIC 0.01U K 50VC113 4032152211 CERAMIC 0.01U K 50VC120 4032844314 CERAMIC 0.022U K 50VC121 4032152211 CERAMIC 0.01U K 50VC122 4040847809 ELECT 100U M 16V
4030422425 ELECT 100U M 16VC123 4011057919 MT-GLAZE 0.000 ZA 1/16WC132 4040848707 ELECT 0.47U M 50V
4030486328 ELECT 0.47U M 50VC135 4040848707 ELECT 0.47U M 50V
4030486328 ELECT 0.47U M 50VC138 4032844314 CERAMIC 0.022U K 50VC171 4031552111 CERAMIC 1500P K 50VC172 4032152211 CERAMIC 0.01U K 50VC174 4031571914 CERAMIC 10P D 50VC178 4040871606 ELECT 0.1U M 50V
4030478422 ELECT 0.1U M 50VC1902 4040875406 ELECT 22U M 50V
4030502810 ELECT 22U M 50VC201 4040849803 NP-ELECT 1U M 50V
4030862310 NP-ELECT 1U M 50VC202 4030582634 POLYESTER 0.015U J 50V
4031793217 POLYESTER 0.015U J 50VC203 4032152211 CERAMIC 0.01U K 50VC204 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC205 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC206 4033423310 CERAMIC 0.1U K 25V
C207 4033423310 CERAMIC 0.1U K 25VC209 4040848707 ELECT 0.47U M 50V
4030486328 ELECT 0.47U M 50VC210 4040848400 ELECT 1000U M 25V
4030451534 ELECT 1000U M 25VC212 4031554214 CERAMIC 15P J 50VC218 4011057919 MT-GLAZE 0.000 ZA 1/16WC219 4032152211 CERAMIC 0.01U K 50VC221 4033423310 CERAMIC 0.1U K 25VC222 4033423310 CERAMIC 0.1U K 25VC223 4033423310 CERAMIC 0.1U K 25VC224 4033423310 CERAMIC 0.1U K 25VC225 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC226 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC230 4032152211 CERAMIC 0.01U K 50VC231 4032602944 MT-COMPO 0.33U J 50VC232 4032602944 MT-COMPO 0.33U J 50VC233 4040849506 ELECT 470U M 35V
4030541532 ELECT 470U M 35VC234 4032152211 CERAMIC 0.01U K 50VC243 4032152211 CERAMIC 0.01U K 50VC244 4040849308 ELECT 47U M 50V
4030513123 ELECT 47U M 50VC245 4040849803 NP-ELECT 1U M 50V
4030862310 NP-ELECT 1U M 50VC246 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC247 4040849001 ELECT 2.2U M 50V
4030499823 ELECT 2.2U M 50VC273 4033423310 CERAMIC 0.1U K 25VC278 4033423310 CERAMIC 0.1U K 25VC280 4032152211 CERAMIC 0.01U K 50VC281 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC282 4032152211 CERAMIC 0.01U K 50VC283 4032152211 CERAMIC 0.01U K 50VC284 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC285 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC286 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC287 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC288 4031791718 POLYESTER 0.033U J 50VC289 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC291 4031818217 POLYESTER 0.1U K 50VC358 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC3701 4040848301 ELECT 470U M 16V
4030441773 ELECT 470U M 16VC3702 4033423310 CERAMIC 0.1U K 25VC3710 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC3711 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC3712 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC3713 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC3714 4031134119 CERAMIC 2200P K 50VC3715 4033423310 CERAMIC 0.1U K 25VC3717 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50V
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C3720 4040849209 ELECT 4.7U M 50V4030510627 ELECT 4.7U M 50V
C3721 4040849209 ELECT 4.7U M 50V4030510627 ELECT 4.7U M 50V
C3722 4040849209 ELECT 4.7U M 50V4030510627 ELECT 4.7U M 50V
C3723 4040849209 ELECT 4.7U M 50V4030510627 ELECT 4.7U M 50V
C3724 4031134119 CERAMIC 2200P K 50VC3725 4033423310 CERAMIC 0.1U K 25VC3727 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC3728 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC3730 4032844314 CERAMIC 0.022U K 50VC3731 4032789615 CERAMIC 1U Z 16VC3732 4032794312 CERAMIC 0.33U K 16VC3733 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC3734 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC3735 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC3736 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC432 4030757121 CERAMIC 1000P K 500VC433 4030763122 CERAMIC 3900P K 500VC434 4040876007 ELECT 47U M 35V
4030540713 ELECT 47U M 35VC435 4040774204 MT-POLYPRO 7000P H 1.5K
4033472516 MT-POLYPRO 7000P H 1.5KC436 4032719929 CERAMIC 820P K 3KC441 4030789627 MT-POLYPRO 0.18U J 200V
4033466723 MT-POLYPRO 0.18U J 250VC469 4040848905 ELECT 10U M 50V
4030494224 ELECT 10U M 50VC471 4040565208 NP-ELECT 2.2U M 100V
4040849902 NP-ELECT 2.2U M 100VC486 4040876106 ELECT 22U M 100V
4031150842 ELECT 22U M 100VC491 4030765324 CERAMIC 680P K 500VC510 4040875406 ELECT 22U M 50V
4030502810 ELECT 22U M 50VC514 4040849209 ELECT 4.7U M 50V
4030510627 ELECT 4.7U M 50VC515 4040886600 ELECT 2200U M 25V
4030459867 ELECT 2200U M 25VC517 4040849407 ELECT 220U M 35V
4030532134 ELECT 220U M 35VC518 4030729425 CERAMIC 3300P K 50VC521 4040849506 ELECT 470U M 35V
4030541532 ELECT 470U M 35VC524 4032889107 POLYESTER 0.22U K 100VC601 4040607205 MT-POLYEST 0.1U M 250V
4040936107 MT-POLYEST 0.1U M 275VC602 4040607205 MT-POLYEST 0.1U M 250V
4040936107 MT-POLYEST 0.1U M 275VC607 4040516507 ELECT 220U M 400V
4040728405 ELECT 270U M 400VC608 4032471609 CERAMIC 220P K 1K
4033255109 CERAMIC 220P K 1KC610 4040848806 ELECT 1U M 50V
4030490018 ELECT 1U M 50VC611 4032475023 CERAMIC 470P K 1KC612 4032378057 MT-COMPO 0.1U J 50V
Product safety should be considered when acomponent replacement is made in any areaof a receiver.
Components indicated by a mark in thiscircuit diagram show components whose values have special significance to productsafety. It is particularly recommended that onlyparts specified on the part service manual beused for components replacement pointed outby the mark.
CIRCUIT DIAGRAM NOTICE:1. All resistance value are in ohms, K=1,000, M=1,000,000.2. All resistance rated wattages are 1/6W unless otherwise noted.3. Excepting electrolytic capacitors, all capacitance values of less than 1
are expressed in µ F and more than 1 are pF.4. All capacitance rated voltages are 50V unless otherwise noted.5. All inductance values are in µ H.6. Voltage readings take with a "VTVM" are from point indicated chassis
ground. Voltage readings taken by using PAL colour bar signal are with all controls at normal position. Some voltage may vary with signalstrength.
7. Waveform were taken with PAL colour bar and controls adjusted for normal picture. Waveforms were taken by using a wide band oscillo-scope and a low capacity probe.
8. This circuit diagram covers a basic or representative chassis only.There
may be some components or partial circuit differences between theactual chassis and the circuit diagram.
9. Parts specified with "X" are not installed in this model.10. Parts specified with "J" are just jumper wires.
THE SERVICE PRECAUTION:The area enclosed by this line( ) is directly connected with AC mains voltage.When servicing the area, connect an isolating transformer between TV receiver and ACline to eliminate hazard of electric shock.
11. Expression of capacitance and resistance in circuit diagrme.
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TRANSISTOR, DIODE AND INTEGRATED CIRCUIT TERMINAL GUIDEC: COLLECTORB: BASEE: EMITTER
A: ANODEK: KATHODE
B
B
C
C
E
E
C EB
C EB
B
C
E
AK
K
A
A
K
FUSIBLERESISTOR
PARTICULARPARTS SYMBOL
1
1
1
N/2
N/2 + 1
N NON POLEELECTRICCAPACITOR
POSISTER
C
EB
CHIP COMPONENTS
K
A
TRANSISTOR
DIODE
123
RESISTOR
12 X 103=12K
G
D
SG
D S
G: GATED: DRAINS: SOURCE
Capacitance (Example)1000 C M 2000 D
CharacteristicCapacitance value (220pF)Allowable error (–20%)Kind (Ceramic)Rated voltage (1,000V)
J= – 5%K= –10% M= –20%
Resistance (Example)1/2 N J 1.2
Resistance value (1.2‰)Allowable error (–5%)Kind (M.carbon)Rated wattage (1/2W)