S/M No : VTB834NET3 Dec . 2003 Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. Model:(NTSC MODELS) DV6T834N/DV6T834B DV6T844N/DV6T844B DV6T854N/DV6T854B DV6T864N/DV6T864B DV6T935N/DV6T935B DV6T945N/DV6T945B DV6T955N/DV6T955B DV6T965N/DV6T965B
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Transcript
S/M No : VTB834NET3
Dec . 2003
Caution: In this Manual, some parts can be changed for improving, their performance without notice in the parts list.
Digital Audio output 48KHz sampling 44.1KHz sampling 44.1KHz sampling
Output
ADVANTAGES OF THIS PRODUCT
3
¥ DVD, VCD, CD, CD-R(MP3), CD-RW, VHS playback function
¥ Watching DVD for recording broadcast
¥ Integrated remote control (VCR, DVD)
¥ VISS function
¥ Multiplex sound playback/record
¥ High Sound Quality of 6 head Hi-Fi (Hi-Fi Model only)
¥ One Touch timer Recording (OTR)
¥ Progressive scan
¥ MP3 file playback function (CD-R disc having records of MP3 files)
¥ GUI (Graphical User Interface) OSD (On Screen Display)
By using the [DISPLAY] button on the remote control, information on the DVD/VCD/CD player and disc, can bedisplayed on the TV screen.
¥ Screensaver function (DVD)
¥ 3D sound (3D sound effect using 2 speakers)
¥ High bit / high sampling with 27MHz / 10bit video encoder
This unit has 27MHz / 10bit capability, that enables the faithful reproduction of fine images.
¥ High bit / high sampling with 96KHz / 24bit audio D/A converter
With this 96KHz / 24bit linear Pulse Code Modulated signals, which constitute the highest specifications in the DVDstandards, you can enjoy faithfully reproduced sound in all of its various modes. To support 96KHz sampling / 24bitsound, the shaping noise of this multi-level digital sigma type of D/A converter is kept flat up to 44KHz, thuspreventing the important audio signals from being affected.
¥ Coaxial digital output (PCM, Dolby Digital, dts)
You can enjoy high-level digital audio by connecting with amp embedded with Dolby Digital / dts decoder.
¥ Built-in Dolby Digital decoder (DVD)
¥ Analog audio 2-channels output for DOWNMIX (x1)
¥ Composite video out (x1)
¥ Slow Forward / Reverse (DVD) playback
¥ Fast Forward / Reverse playback
¥ Search of title, chapter, and time in DVD disc, and search of track and time in VCD and CD
¥ Various TV aspect (DVD)
4:3 for Pan and Scan, 4:3 for Letter Box, and 16:9 for Wide
¥ Repeat playback (title and chapter for DVD, track and disc for VCD/CD)
4
ADVANTAGES OF THIS PRODUCT
¥ Repeat a defined period from A to B (DVD)
¥ Selective Play (DVD/VCD/CD)
You can select and play the desired title / chapter of DVD and track of Video CD/CD in STOP mode.
¥ Various languages OSD (On Screen Display) function (DVD)
You can select and display OSD among various languages. (English, French, Spanish)
¥ Parental Lock function (DVD)
This function can prevent playback of software that may be unsuitable for children.
¥ Multi Audio function (DVD)
The audio soundtrack can be heard in up to 8 languages. In the case of SVCD or CVD, it depends on the disc.(The number of audio languages depends on the software.)
¥ Multi Subtitle function (DVD)
The subtitle can be seen in up to 32 languages. In the case of SVCD or CVD, it depends on the disc. (Thenumber of subtitle languages depends on the software.)
¥ Multi Angle function (DVD)
This function allows you to choose the viewing angle of scenes which were shot from a number of differentangles. (The number of angles depends on the software.)
¥ Screen zoom function (DVD/VCD)
5
TROUBLESHOOTING
1. POWER CIRCUIT
✓ CAUTIONYou must use insulated transformer during the first part test of POWER circuit.
Check IC601,IC751.
No power
POWER cord is ok?
Is 200V~140V voltageobtained at C804 +?
Output voltage of 2nd
parts is normal?
Check rectifier diode of 2nd parts ;D821, D822, D823, D826,
D827, D828, D830
Switching pulse of Q801 collector is
normal?
OK
Exchange POWER CORD
Check F801.
Exchange rectifier diode of 2nd
parts ; D821, D822, D823, D826,D827, D828, D830.
Check Q801.
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
2. SYSTEM CIRCUIT
6
TROUBLESHOOTING
No LED display.
Is 5V obtained at IC751
pin #9, 25?
Oscillation at IC751 pin #1?
Specific GRID/SEG doesn t function.
Check R830, D831, L751, L824.
Exchange IC751.
Check IC 751 pin #22~24, 27,
28, 30, 31.
Check IC 751 pin #10~12, 14~21.
NO
YES
YES
NO
NO
GRID output at PORT of IC751?
YES
SEG output at PORT of IC751?
Exchange IC751.
YES
A. LED DISPLAY
NO
7
TROUBLESHOOTING
Noise appears on theplayback screen.
Is noise diminished by tracking
adjustment.
Noise band is trembled up and
down?
Re-adjust PATH.
Is the height of CTL HEAD normal?
No dust?
Is there problem in CTL Input
circuit and amplifier.
YES
NO
NO
NO
Is there CTL pulse at IC601
pin#97?
Check IC601.
Noise appears on the screen even
though changing tape.
Re-adjust the height of AC HEAD.
Remove the dust.
Check C651, C652, R651~R653
IC601 pin #91, 92, 98.
NO
Re-adjust PATH.
B-1. Bad playback quality (1)
YES
YES
YES
YES
Noise appears on the Fullplayback screen.
Are SW pulse and HA SW normal?
Recheck step B-1
(Bad playback quallty (1)).
Check HEAD AMP connector
and HEAD.
YES
YES
NO
NOENVE Wave at PT01 pin #4?
Check VIDEO circuit.
Are there SW, HA SW pulse at
IC601 pin #16, 18?
Check PCB Pattern.
Check IC601.
B-2. Bad playback quality (2)
YES
NO
YES
8
TROUBLESHOOTING
No broadcasting signalreceived
Is the output at IC601 pin# 71(CLK),
72 (DATA) normal?
Is SIF,Video output at TMI(RF101)
pin#13,16 normal?
Check IC 601.
Check IC301.
Check IC601.
YES
YES
NO
NO
NO
Is Video Signal input at IC601
pin#50?
Is there Video output at IC601
pin#52?
Check TMI (RF101) Block.
NO
Check Video Buffer Q102
C. No broadcasting signal received
YES
YES
YES
9
TROUBLESHOOTING
Cassette tape isnÕt inserted.
Is 5V voltage obtained at Loading
parts IC601 pin#82?
Is 13V voltage obtained at
Capstan Motor P601 pin#8?
Check at EVER 13V
Check Q854.
Connect Capstan and Loading Motor. Check
connector and Capstan Motor.
YES
NO
NO
NO
Is 12V voltage obtained at Each
parts of Loading Motor?
Replace Loading Motor.
Check D851 and POWER circuit.
D. No CASSETTE Loading
YES
YES
E. AUTO STOP in Playback mode
VCR stops automatically inplayback mode.
Check R656,C659 and P601
pin#11.
Check S603, S604 REEL Sensor.
Is D.PG/FG pulse at IC601
pin#90 normal ?
Is C. FG pulse at IC601 pin#87
normal ?
Is there REEL Pulse at IC601
pin#79, 80?
Check and replace IC601.
NO
YES
YES
YES
NO
Check C.FG(R660, C660) and
P601 pin#1.
NO
10
TROUBLESHOOTING
F. DRUM Motor stops
G. CAPSTAN doesnÕt rotate
CAPSTAN doesnÕt rotate.
Is EVER 13V voltage obtained
at P601 pin#2?
YES
NO
NO
NO
YES
YES
Is Capstan PWM fit to
IC 601 pin#77?
Is 3.2V voltage obtained
at P601 pin#5?
Is 2~3V voltage obtained
at P601 pin#9?
Check P601 Connector and
Capstan Motor.
Check EVER 13V.
(Q854)
Check Capstan FG
(IC 601 pin# 87).
Check R665, R664, R663,
R666, C665.
Check R661, R667, C664.
DRUM Motor stops.
Is 13V voltage obtained at P601
pin#8?
YES
NO
NO
NO
YES
YES
Is DRUM PWM fit to IC 601
pin#76?
Is 1.2V voltage obtained at
P601 pin#12?
Check Capstan Motor and
DRUM Motor.
Check EVER 13V
(D851, Q854).
Check DRUM PG/FG(IC 601 pin# 90).
Check R657, R658,C661,C668.
NO
11
TROUBLESHOOTING
3. VIDEO circuit
A. EE screen doesnÕt appear
EE MODE Picture NG
Is Video signal input intoIC301 pin#28, 30, 32?
Is 5V supplied at pin#23,45,52,68 of IC301?
Is C.S, DATA, CLOCK signalinput pin#53,54,55 of IC301?
Check LINE JACK and IF.Check IC302 pin #14.
Check POWER 5V circuit.
Check IC601pin #61, 71, 72.
NO
YES
YES
NO
NO
YES
Is signal output from IC301 pin#26?
YES
NO Check IC301 pin#24 Q-V Sync.
Is signal input at IC601pin#50?
YES
NOCheck PCB Pattern.
Is signal output fromIC601 pin #52?
YES
NO Is 5V supplied at pin#53, 98,99 of IC601?
Is signal output fromIC302 pin#15?
YES
NOCheck PCB Pattern.
Check IC 601
YES
Check POWER 5V circuit.NO
Is signal input at IC302pin#1?
Check RF Output. Check LINE out.
YES
YES
Check IC302.NO
12
TROUBLESHOOTING
B. Playback picture doesnÕt appear
YES
YES
Is Y-signal output from IC301
pin#39?
PB video signal missing.
Is Envelope output from IC301
pin#14?
NO
NO Is SW Pulse input at IC301
pin#57?
Does X301 crystal oscillate?
Check IC601 pin#16.
Clean head or Replace head.
Replace X301.
YES
NO
NO
YES
Is C.S, DATA, CLOCK signal input
at pin#53,54,55 of IC301?Check IC601 pin#61,71,72NO
YES
Is composite video signal outpur
from IC301 pin #26?NO Replace IC301.
Is 5V supplied at pin #23, 45, 52,
68 of IC301?NO CHECK POWER 5V circuit.
YES
YES
CHECK OSD circuit.
13
TROUBLESHOOTING
C. No recording
Is 5V supplied at pin #68 of IC301?NO
NO
YES
YES
Is SW Pulse input at IC301
pin#57?
Is REC signal output from IC301pin#66,73?
EP MODE: 73 PinSP MODE: 66Pin
Check HEAD and Connector.
Is Video signal input at IC301
pin# 28,30,32?
Check POWER 5V circuit.
Check IC601 pin#16.
Record video signal poor.
Check EE MODE.
YES
Is Y_signal and C_signal outpur
from IC301 pin #21, 46?
Replace IC301.NO
NO
YES
14
TROUBLESHOOTING
E. DVD Picture (COMPOSITE) doesnÕt appear
Is signal output from P101
pin#7?
Is signal input at IC302 pin#2?
YES
NO
NO
YES
Is signal output from IC302 pin
#15?
Check RF Output.
Check PCB Pattern.
Check IC 302.
CHECK LINE output.
NO
Is Video signal input at IC601
pin#50?
Check POWER 5V circuit.
No OSD appears.
Is 5V supplied at pin# 53, 98, 99
of IC601?
Is signal output from IC601
pin#52?NO Replace IC601.
D. No OSD(On Screen Display) appears
YES
YES
NO
Check IC 601.Check IC 601.
No DVD picture appear
Check FFC CABLE and DVD
MODULE
NO
15
TROUBLESHOOTING
F. DVD picture (COMPONENT & S-VIDEO) doesnÕt appear
NO
Check Q103, Q104, Q105.
Check FFC CABLE & DVD
Module
No COMPONENT Signal appear
Is signal output from P101
pin# 19,20,21?
Is signal output from emitter of
Q103, Q104, Q105?NO
YES
YES
NO
Check Q106, Q107
Check FFC CABLE &DVD
Module
No S-VIDEO signal appear
Is signal output from P101
pin #15,17?
Is signal output from emitter of
Q106, Q107NO
YES
YES
Check PCB Pattern.
YES
Check PCB Pattern.
YES
16
TROUBLESHOOTING
4. AUDIO (Hi-Fi MODEL)
No sound in RF E-E mode
Check Output JACK.
A. No sound in E-E modeA. a.1 RF E-E
NOCheck IC601.
Is Audio signal output at IC251
pin#53, 57?Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Is there SIF signal at IC251 pin#48
in RF mode?Check RF101.
NO
Replace IC251.YES
YES
YES
Is 12V obtained at IC251 pin#58?
NO
YES Check POWER circuit.
YES
YES
Is there MUTE(H) at IC251 pin#36?
17
TROUBLESHOOTING
Check Output JACK.
A. b. LINE1 E-E
YES
NOCheck IC601.
No sound in LINE1 E-Emode.
Is 12V obtained at IC251 pin#58?
NO
Is 5V obtained at IC251 pin#40?
Check POWER circuit.YES
NO
Are CLK and DATA obtained at IC251
pin#42,43?
Check Input LINE1 JACK
Replace IC251YES
Is Audio signal output at IC251
pin#53, 57?
Is Audio signal at IC251 pin#9,
14?
YESIs there MUTE(H)
at IC251 pin#36?
NO
18
TROUBLESHOOTING
A. c. LINE2 E-E
Check Output JACK.
YES
NOCheck IC601.
No sound in LINE2 E-Emode.
Is 12V obtained at IC251 pin#58?
NO
Is 5V obtained at IC251 pin#40?
Check POWER circuit.YES
NO
Are CLK and DATA obtained at IC251
pin#42,43?
Check Input LINE2 JACK
Replace IC251YES
Is Audio signal output at IC251
pin#53, 57?
Is Audio signal at IC251 pin#10,
15?
YESIs there MUTE(H)
at IC251 pin#36?
NO
19
TROUBLESHOOTING
A. d. DVD E-E
No sound in DVD E-E mode.
Is there DVD Audio at P101 pin#1,
3?
Is 12V obtained at ICD02 pin#8?
Is Audio(DVD) signal at IC251
pin#1,3?
YES
YES
Is Audio signal output at IC251
pin#53, 57?
Check ICD02.NO
YES
YES
Are CLK and DATA obtained at
IC251 pin#42,43?Replace IC251.
NO
Is there MUTE(H) at IC251 pin#36?
Check IC601.NO
Check DVD boardNO
Check POWER circuit.NO
NO
Check Output JACK.
Is DVD Audio signaloutput at
ICD02 pin#1,7?Check ICD02.
NO
YES
20
TROUBLESHOOTING
Is there playback Audio signal at
IC251 pin#53, 57?Are CLK and DATA obtained at
IC251 pin#42, 43?
NO
Is thereMUTE(H) at IC251
pin#36?Check IC601.
YES
Is A.SW Signal input at IC251 pin
#27?
Check DRUM connector and DRUM.NO
Check A.SW at IC601 pin#19.NO
Replace IC251.YES
NO
Is 12V obtained at IC251
pin#58?
Check Output JACK.
YES
YES
B. No Hi-Fi playback audio (PLAY MODE)
Is there Hi-Fi(H) at IC251 pin#28?
Check POWER circuit.NO
Is 5V obtained at IC251 pin#40?
NO
21
TROUBLESHOOTING
Are there Audio signal
at IC251 pin#9,14
#10, 15
#2,4?
Is there REC(H)
at IC251 pin#29, 30?
Check input LINE1 JACK.
Check input LINE2 JACK.
Check ICD02(DVD).
Replace IC251
YES
NO
NO
NO
Is FM OSC signal at IC251 pin#21?
Is FM OSC signal at P301 pin#2?
Check IC601 pin#22
c. No Hi-Fi playback in record/playback mode(REC MODE)
YES
YES
Replace DRUMNO
HEAD CLEANING.
YES
D. No NORMAL AUDIO playback (PLAY MODE)
Is Playback Audio signal at
IC301 pin#10?
Replace IC251.
YES
NO
NOIs there Playback Normal Audiosignal at IC251 pin#53,57?
Check A/C HEAD and IC301
YES
Check Output JACK.
YES
Is there normal Audio signal at
IC251 pin#53, 57?
NO
Check power circuit.NO
Voltage at IC251 pin#58 is 12V?Voltage at IC251 pin#40 and at
IC301 pin#77 is 5V?
22
TROUBLESHOOTING
E. No NORMAL AUDIO playback in record/playback mode(Check in REC mode)
No Normal Audio playback inrecord/playback mode
Are there Audio signal at IC251pin#9,14#10,15#2,4?
Is there recording signal at
IC251 pin#61?
Check Input LINE1 JACK.
Check Input LINE2 JACK.
Check ICD02(DVD).
Check signal flow circuit.
YES
NO
NO
NO
Signal at IC251 pin#61 is transferred to
IC301 pin#76,78,80?
Collect signal at Q203 is about
70Vp-p at 70KHz?
Check IC251.
YES
YES
Check Q202.NO
Check P202 pin#2, 4, 8 and A/C
HEAD.
YES
REC (H) BASE voltage at Q206
is 5V? Check IC601 pin#22.NO
YES
23
TROUBLESHOOTING
5. MPEG B/D
In case of no operation after thepower transmit ment of DVD-VCR
SET.
Is 5V constant?(Check LP03)
YES
NO
NO
NO
YES
Is 3.3V constant? (Voltage CheckLP09, LP10, RP01, RP03, IP02 )
Is 2.5V constant?(Voltage Check IP01, LP04, RP02, RP04)
Change LP03
Change LP09, LP10,RP01, RP03,
IP02
Change IP01, LP04, RP02, RP04
NO
YES
Is X-TAL oscillated? (Check XC01 oscillation waveform) Change XC01
Is RESET IC operating?(After approx.200ms from the power transmit, checkwhether IC02 output turns into HIGH)
YES
NO
NO
NO
YES
YES
Has FRASH-ROM code loadedappropriately? (Check whether theREAD operation of FLASH-ROM is
completed within 2 seconds.)
Is LOGO screendisplayed?
Initial operation completed
LOGO screen displayed
Change IC02
Rewriting FLASH-ROM
Check and changeRC47,RD01,RD02,RD03,RD04,LP08
YES
A. DEBUGGING
24
TROUBLESHOOTING
DISC LOADING
B. BAD PLAYBACK
YES
In case of bad recognition of disc and the abnormal screen while playing after LOGO screen displayed on TV monitorand setting initialized.
Is 12V constant?(Voltage Check LP01)
YES
NO
NO
NO
YES
Is MVCC constant? (Voltage CheckLP07 )
Is RF50V constant?(Voltage Check IP03, LP03)
Change LP01
Change LP07
Change IP03, LP03.
NO
YES
Is RF33V constant?(Voltage check LP05) Change LP05
Has DISC LOADING operationcompleted?
YES
NO
NO
NO
YES
Has Spindle KICK operationcompleted?
Has FEED IN operation completed?
- Check 9P FFC CABLE cut and badsoldering.
- Check the LOADING MOTOR operation(Cehck the IA02 operation)
- Check 9P FFC CABLE cut and badsoldering.
- Check the SPINDLE MOTORoperation (Cehck the IA02 operation)
- Check the IA03 operation
- Check 9P FFC CABLE cut and badsoldering.
- Check the FEED MOTOR operation- Check the IA02 operation.
YES
25
TROUBLESHOOTING
Is PICK-UP LENS operatingUP/DOWN (FOCUSING)?
YES
NO
NO
NO
YES
Is the CD LD turned on?
Is the DVD LD turned on?
- Check 24P PICK-UP CABLE cut and badsoldering.
- Check the MOTOR DIRVE IC(IA02)operation(FOCUS PART)
- Check IA01 and change IA01- Check IA01(26P) : LD is turned on during
LOW mode- Change LA02, QA02, RA20- Change PICKUP
- Check IA01 and change IA01- Check IA01(26P) : LD is turned on during
LOW mode- Change LA02, QA02, RA20- Change PICKUP
NO
YES
Is SPINDLE rotating?
- Check 9P FFC CABLE cut and badsoldering.
- Check the SPINDLE MOTOR (IA02)operation.
Is there any cracks in screen?
YES
NO
NO
Is the long term play possible?
Change SDRAM(IC04)Change main chip(IC01)
- Check 9P FFC CABLE cut and badsoldering.
- Check the FEED MOTOR (IA02)operation(FEED PART)YES
Initial operation completed.
Is the set played back?NO
- Check 24P PICK-UP CABLE cut and badsoldering.
- Check the MOTOR DRIVE(IA02)operation(TRACKING PART)
26
TROUBLESHOOTING
C. NO AUDIO OUTPUT
NO SOUND OUTPUT
Is 12V constant?(Voltage Check LP02)
YES
NO
NO
NO
YES
Is AD 5V constant?(Voltage Check DP11, DP12, IP03)
Is AD33V constant?(Voltage Check LP11)
Change LP12
Check DP11, DP12, IP03 and Change
Change LP11
NO
YES
Is the audio data of main chipoutput?(Check the audio port of IC01) Change IB01 or IB02
Is there any short of AUDIO DATAoutput and open?
NOChange MAIN CHIP
YES
Sound operation completed.
YES
27
WAVEFORMS
1. VIDEO
! (IC301-57) 5Vp-p1V/2msec/cmREC
! (IC301-57)5Vp-p1V/2msec/cmPLAY
@ (IC301-20) 520mVp-p200mV/5usec/cmREC
@ (IC301-20) 520mVp-p200mV/5usec/cmPLAY
# (IC301-22) 520mVp-p100mV/5usec REC
# (IC301-22) 520mVp-p100mV/5usecPLAY
$ (IC301-14) 600mVp-p200mV/2msec/cmPLAY(SP) VIDEO SW TRIG
$ (IC301-14) 350mVp-p200mV/2msec/cmPLAY(EP) VIDEO SW TRIG
% (IC301-36) 300mVp-p100mV/5usec/cmREC
% (IC301-36)300mVp-p100mV/5usec/cmPLAY
(IC301-25) 4.6Vp-p2V/10usec/cmREC/PLAY
^ (IC301-25) 4.6Vp-p2V/10usec/cmPICTURE SEARCH
& (IC301-26) 2.2Vp-p500mV/5usec/cmREC
& (IC301-26) 2.2Vp-p500mV/5usec/cmPLAY
* (IC301-49) 450mVp-p200mV/0.1usec/cm
28
WAVEFORMS
2. AUDIO2-1 AUDIO(Normal)
2-2 AUDIO(Hi-Fi)
((IC301-76) 100mVp-p20mV/0.5msec/cmREC
) (IC301-10) 1.5Vp-p0.5V/0.5msec/cmREC
1(IC301-9) 2.3Vp-p0.5V/0.5msec/cmREC
2 (IC301-2) 120mVp-p50mV/0.5msec/cmPLAY
3 (P201-2) 75Vp-p10V/20µsec/cmREC
4 (IC251-9) 80mVp-p20mV/0.5msecEE/REC/PLAY
5 (IC251-19) 200mVp-p50mV/0.5msecEE/REC
6 (IC251-21) 1.4Vp-p0.5V/1msecREC
7 (IC251-29) 600mVp-p0.2V/2msecPLAY
8 (IC251-32) 200mVp-p50mV/0.5msecEE/REC
9 (IC251-57) 1.4Vp-p0.5V/0.5msecEE/REC
25
WAVEFORMS
3. SERVO/SYSCON
0 (IC601-18) 5Vp-p2V/5msec/cmREC/PLAY
“ (IC601-77) 5Vp-p2V/5µsec/cmREC/PLAY
‘ (IC601-76) 5Vp-p2V/5µsec/cmREC/PLAY
+ (IC601-94) 3Vp-p1V/5msec/cmREC
= (IC601-97) 4.4Vp-p1V/5msec/cmPLAY
Q(IC601-90)25Vp-p&5Vp-p1V/5msec/cmREC/PLAY
q (IC601-87) 2.5Vp-p1V/0.2msec/cmREC/PLAY
W (IC601-38) 2.6Vp-p0.5V/0.1µsec/cmREC/PLAY
30
VOLTAGE CHARTS
1. SERVO/SYSCON/TIMER MI-COM VOLTAGE CHARTS
MODE MODE MODE
PIN No. PIN No.PIN No.
1 5.0 5.0 5.0 44 2.1 1.7 1.6 87 3.8 0.0 0.0
2 4.1 4.0 4.0 45 5.0 4.9 5.0 88 0.0 0.0 0.0
3 0.0 0.0 0.0 46 0.0 0.0 0.0 89 0.0 0.0 0.0
4 5.0 4.9 5.0 47 1.4 1.4 1.4 90 0.0 1.3 1.3
5 5.0 5.0 5.0 48 0.0 0.0 0.0 91 2.5 2.5 2.5
6 5.0 4.9 0.0 49 0.0 0.0 0.0 92 2.5 2.5 2.5
7 2.0 2.0 0.0 50 0.8 0.8 1.9 93 0.9 0.9 0.0
8 0.0 0.0 0.0 51 2.7 2.7 2.7 94 2.5 2.1 0.9
9 0.2 0.4 0.0 52 1.6 1.6 1.9 95 2.5 2.7 2.5
10 0.8 0.0 2.0 53 5.0 4.9 3.8 96 2.5 2.7 2.5
11 5.0 5.0 5.0 54 2.2 2.2 2.2 97 2.5 2.5 2.5
12 5.0 5.0 5.0 55 2.1 2.2 1.6 98 5.0 4.7 5.0
13 4.9 0.0 0.0 56 1.0 1.1 2.0 99 5.0 5.0 0.0
14 5.0 5.0 5.0 57 0.0 0.0 0.0 100 0.0 0.0 0.0
15 2.5 2.5 2.5 58 0.3 0.3 0.0
16 0.0 0.0 5.0 59 5.0 4.9 5.0
17 5.1 5.0 5.1 60 5.0 4.9 5.0
18 2.5 2.5 2.5 61 0.3 0.2 0.2
19 2.5 2.5 2.5 62 4.9 4.6 4.9
20 1.6 1.6 1.6 63 0.0 0.0 0.0
21 4.9 4.9 4.9 64 0.8 0.8 0.8
22 0.0 4.9 0.0 65 4.3 4.2 4.3
23 0.0 0.0 0.0 66 2.8 2.7 2.7
24 4.9 4.8 4.9 67 4.0 4.0 4.0
25 4.9 4.8 4.9 68 4.8 4.8 4.8
26 0.0 0.0 0.0 69 4.0 3.9 3.9
27 0.0 0.0 0.0 70 4.8 4.8 4.8
28 5.0 0.0 5.0 71 4.5 4.5 4.6
29 5.0 4.9 5.0 72 4.4 4.5 4.5
30 5.0 4.9 5.0 73 0.0 4.9 0.0
31 0.0 0.0 0.0 74 4.9 4.9 4.9
32 0.0 0.0 0.0 75 4.9 0.3 0.3
33 5.0 4.9 5.0 76 0.0 2.6 2.6
34 5.0 4.9 5.0 77 0.0 2.7 2.7
35 1.9 1.9 1.7 78 0.0 0.0 1.3
36 1.9 1.9 1.6 79 4.9 0.0 0.0
37 5.0 4.9 5.0 80 0.0 0.0 0.0
38 2.2 2.1 2.2 81 0.0 0.0 0.0
39 2.2 2.0 0.0 82 2.6 2.6 2.6
40 0.0 0.0 0.0 83 5.0 4.9 5.0
41 2.1 1.8 1.6 84 4.9 0.0 0.0
42 2.1 1.8 1.6 85 0.0 0.0 0.0
43 5.0 4.9 5.0 86 1.8 0.0 0.0
IC MI-COM (IC601) IC MI-COM (IC601) IC MI-COM (IC601)
STOP REC PLAYSTOP REC PLAYSTOP REC PLAY
31
VOLTAGE CHARTS
IC EEPROM VOLTAGE CHARTS
MODE MODE
PIN No. PIN No.
1 0.0 0.0 0.0 5 4.4 4.5 4.5
2 0.0 0.0 0.0 6 4.4 4.5 4.6
3 0.0 0.0 0.0 7 0.0 0.0 0.0
4 0.0 0.0 0.0 8 0.0 4.9 5.0
IC LED DRIVER VOLTAGE CHARTS
MODE MODE
PIN No. PIN No.
1 2.1 2.1 2.1 17 2.6 2.4 2.6
2 3.9 3.9 3.9 18 1.4 1.4 1.4
3 4.8 4.8 4.8 19 1.2 1.2 1.2
4 4.8 4.8 4.8 20 2.0 2.0 1.8
5 0.8 0.8 0.8 21 1.9 1.7 1.7
6 0.0 0.0 0.0 22 2.1 2.5 2.5
7 0.0 0.0 0.0 23 2.1 2.4 2.4
8 0.0 0.0 0.0 24 2.1 2.4 2.3
9 4.7 4.8 4.7 25 4.7 4.8 4.7
10 2.5 2.5 2.1 26 0.0 0.0 0.0
11 2.6 2.5 2.4 27 2.1 2.4 2.4
12 2.6 2.4 2.5 28 2.1 2.4 2.4
13 0.0 0.0 0.0 29 0.0 0.0 0.0
14 2.5 2.4 2.1 30 2.0 2.3 2.3
15 2.1 1.8 1.5 31 2.1 2.3 2.4
16 1.8 1.9 2.3 32 0.0 0.0 0.0
IC EEPROM (IC603) IC EEPROM (IC603)
IC DRIVER (IC751) IC DRIVER (IC751)
PLAYSTOP REC PLAY STOP REC
STOP REC PLAY STOP REC PLAY
32
VOLTAGE CHARTS
2. IC A/V VOLTAGE CHARTS
MODE MODE MODE
PIN No. PIN No. PIN No.
1 2.3 2.3 2.3 28 2.2 2.2 2.2 55 0.4 0.1 0.2
2 2.2 2.8 0.0 29 2.3 2.3 2.3 56 0.0 0.0 0.0
3 2.3 2.2 2.3 30 0.0 2.2 2.2 57 3.2 2.5 2.5
4 2.3 2.2 2.3 31 4.1 4.1 4.1 58 0.0 0.0 0.0
5 2.3 2.3 2.3 32 2.2 2.2 2.2 59 0.8 0.8 1.9
6 2.3 2.1 2.3 33 3.3 2.4 2.4 60 5.1 5.0 5.1
7 2.3 2.0 2.3 34 0.0 3.0 0.0 61 2.9 2.9 2.9
8 2.3 2.0 2.3 35 2.9 2.8 2.9 62 0.0 0.0 0.0
9 2.3 2.1 2.3 36 2.5 2.5 2.3 63 3.9 3.9 3.9
10 2.2 2.1 2.2 37 2.6 2.6 2.6 64 2.1 2.1 1.3
11 4.8 4.2 4.8 38 0.0 0.0 0.0 65 0.7 0.7 0.7
12 1.0 1.0 0.0 39 1.4 1.4 1.4 66 0.7 0.7 0.7
13 0.8 0.8 0.8 40 0.0 0.0 0.0 67 0.7 0.7 0.7
14 1.6 1.5 1.8 41 0.9 0.9 0.9 68 4.9 0.0 4.9
15 1.5 1.5 1.5 42 2.3 2.3 2.3 69 1.7 1.7 0.1
16 0.0 0.0 0.0 43 4.5 4.5 4.5 70 1.7 1.7 0.0
17 0.0 4.0 4.0 44 4.9 4.9 4.9 71 0.0 0.0 0.0
18 2.3 2.3 1.5 45 5.0 5.0 5.0 72 4.1 0.0 0.0
19 0.0 0.0 0.0 46 2.2 2.2 3.1 73 4.1 4.0 0.0
20 2.1 2.1 2.5 47 3.2 3.2 3.5 74 4.1 4.1 1.8
21 1.4 1.4 1.8 48 3.2 3.2 3.5 75 0.0 0.0 0.0
22 3.0 3.0 2.9 49 4.0 4.0 3.5 76 2.3 2.3 2.3
23 4.8 4.7 4.7 50 2.6 2.6 2.6 77 4.9 4.9 4.9
24 4.9 0.0 0.0 51 2.1 2.1 2.1 78 2.3 2.3 2.3
25 0.3 0.3 0.4 52 4.9 4.9 4.9 79 1.1 1.1 0.0
26 0.8 0.8 1.0 53 4.4 4.5 4.5 80 2.3 2.3 2.3
27 1.5 1.5 0.0 54 4.3 4.4 4.5
IC CHIP SW VOLTAGE CHARTS
MODE MODE
PIN No. PIN No.
1 1.6 1.6 1.1 9 2.5 2.3 2.4
2 1.1 1.1 1.1 10 7.4 7.4 7.4
3 2.5 2.3 2.4 11 7.4 7.4 7.4
4 2.5 2.3 2.4 12 2.5 2.5 2.5
5 2.5 2.3 2.4 13 2.9 2.9 2.9
6 0.0 0.0 0.0 14 2.9 2.9 2.9
7 0.0 0.0 0.0 15 1.7 1.7 1.1
8 0.0 0.0 0.0 16 12.4 12.4 12.4
REC
STOP REC PLAY
STOP REC PLAY
IC A/V (IC301) IC A/V (IC301) IC A/V (IC301)
STOP REC PLAYSTOP REC PLAY
IC CHIP SW (IC302) IC CHIP SW (IC302)
PLAYSTOP
VOLTAGE CHARTS
3. IC Hi-Fi VOLTAGE CHARTS
MODE MODE MODE
1 2.3 2.3 2.3 23 0.0 0.0 0.0 45 0.0 0.0 0.0
2 0.5 0.5 0.5 24 2.0 1.9 0.7 46 3.3 3.2 3.3
3 2.3 2.3 2.3 25 4.9 4.7 4.8 47 2.7 2.6 2.3
4 0.5 0.5 0.4 26 2.0 1.9 0.0 48 2.2 2.2 2.2
5 2.4 2.4 2.4 27 2.5 2.5 2.5 49 3.3 2.7 3.3
6 2.4 2.4 2.4 28 4.1 4.1 4.0 50 2.8 2.7 3.3
7 2.1 2.0 2.1 29 1.7 0.0 1.7 51 4.9 4.7 4.8
8 0.7 0.7 0.4 30 1.7 4.3 1.7 52 2.4 2.4 3.2
9 0.0 0.0 0.0 31 0.0 0.9 1.8 53 5.8 5.6 5.7
10 0.0 0.0 0.0 32 2.4 2.4 2.4 54 2.4 2.3 2.4
11 0.0 0.0 0.0 33 2.4 2.4 2.4 55 0.0 0.0 0.0
12 2.1 0.0 2.1 34 0.5 0.8 0.7 56 0.5 0.5 0.0
13 2.6 2.0 2.6 35 2.4 2.4 2.4 57 5.8 5.7 5.7
14 0.0 0.0 0.0 36 4.9 4.9 0.0 58 12.4 12.4 12.4
15 0.0 0.0 0.0 37 1.6 1.5 1.6 59 5.8 5.7 5.8
16 2.5 2.4 2.4 38 0.0 0.0 0.0 60 0.6 0.7 0.1
17 0.5 0.8 0.8 39 0.1 0.1 0.1 61 2.4 2.4 2.4
18 2.4 2.4 2.4 40 4.8 4.7 4.8 62 2.4 2.4 2.3
19 2.4 2.4 2.4 41 0.0 0.0 0.0 63 2.7 2.7 2.7
20 2.0 1.9 0.0 42 4.4 4.5 4.6 64 0.7 0.6 0.5
21 2.0 1.8 0.0 43 4.4 4.4 4.6
22 2.0 1.9 0.7 44 2.4 2.4 2.3
IC OP AMP VOLTAGE CHARTS
MODE MODE
PIN No.
PIN No. PIN No. PIN No.
PIN No.
1 5.7 5.7 5.7 5 2.9 2.9 2.9
2 2.8 2.8 2.8 6 2.9 2.9 2.9
3 2.8 2.8 2.8 7 5.8 5.8 5.8
4 0.0 0.0 0.0 8 12.4 12.4 12.4
IC OP AMP (ICD02) IC OP AMP (ICD02)
STOP REC
IC Hi-Fi (IC251) IC Hi-Fi (IC251) IC Hi-Fi (IC251)
STOP REC PLAYSTOP REC PLAY
PLAY
STOP REC PLAY
STOP REC PLAY
33
34
CIRCUIT DIAGRAM
1. POWER SUPPLY SCHEMATIC DIAGRAM(110V)
35
CIRCUIT DIAGRAM
2. POWER SUPPLY SCHEMATIC DIAGRAM(220V)
36
CIRCUIT DIAGRAM
3. SERVO & SYSCON SCHEMATIC DIAGRAM(VE 1.5 COMBO)
37
CIRCUIT DIAGRAM
IC301
4. VIDEO/AUDIO SCHEMATIC DIAGRAM(Hi-Fi) VE 1.5 COMBO
38
5. DVD AUDIO & VIDEO SCHEMATIC DIAGRAM(VE 1.5 COMBO)
CIRCUIT DIAGRAM
39
CIRCUIT DIAGRAM
6.-Fi & IN-OUT SCHEMATIC DIAGRAM(VE 1.5 COMBO)
40
CIRCUIT DIAGRAM
7. DQL-1003/1103/1203(ALI M3351 MPEG IC)
41
CIRCUIT DIAGRAM
8. DQL-1003/1103/1203(RF-MOTOR_DIRIVERS)
42
CIRCUIT DIAGRAM
9. DQL-1003/1103/1203(FLASH, SDRAM)
43
CIRCUIT DIAGRAM
10. DQL-1003/1103/1203(AUDIO_DAC, VIDEO_CHANNEL)
44
CIRCUIT DIAGRAM
11. DQL-1003/1103/1203(SYSTEM_POWER)
NO. MODEL NAME SERVICE CODE(F/W) MECHA PICKUP REMARK
¥ PCB ASSÕY, MECHA ASSÕY and F/W should be applied in pairs like a table above.¥ For H/W Option according to model, refer to circuit diagram.¥ PICKUP can be changed in the future.
45
BLOCK DIAGRAM
1. POWER SUPPLY BLOCK DIAGRAM
46
BLOCK DIAGRAM
2. SERVO & SYSCON BLOCK DIAGRAM
47
BLOCK DIAGRAM
3. VIDEO BLOCK DIAGRAM
48
BLOCK DIAGRAM
4. LINEAR AUDIO BLOCK DIAGRAM
49
BLOCK DIAGRAM
5. PIF & Hi-Fi BLOCK DIAGRAM
50
BLOCK DIAGRAM
6. DVD BLOCK DIAGRAM
51
PCB CIRCUIT BOARD
1-1 . VCR (MAIN)
52
PCB CIRCUIT BOARD
1-2. POWER
53
PCB CIRCUIT BOARD
1-3. DVD(MAIN)
INSTRUMENT DISASSEMBLY
1. DECK DISASSEMBLY
Perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure.Make sure that all leads/ wiring are routed correctly when reassembling.
FIG. 1
A. TOP COVER REMOVAL
@ Remove two screws
! Remove three screws # Remove two screws
54
55
B. PANEL FRONT DISASSEMBLY
C. LOGIC PCB DISASSEMBLY
FIG.2
FIG.3
! Remove 3Hooks atbottom
@ Remove 2 Hooks at left and right sides,Simultaneously, remove panel.
Remove 2screws, thenremove LogicPCB
INSTRUMENT DISASSEMBLY
56
INSTRUMENT DISASSEMBLY
FIG. 4
D. DECK AND MAIN PARTS DISASSEMBLY
! Remove 6 screws, then remove DECK
@ Remove 4 screws, then remove LOADER
# Remove 3 screws, then removePOWER PCB
57
INSTRUMENT DISASSEMBLY
FIG. 5
E. MAIN PCB DISASSEMBLY
@ Remove 2 screws, then remove MAIN PCB
! Remove 2 screws
58
INSTRUMENT DISASSEMBLY
F. MAIN CHASSIS DISASSEMBLY
FIG. 6
! Remove 4 screws, then remove MAIN CHASSIS
59
INSTRUMENT DISASSEMBLY
G. Explode view
60
INSTRUMENT DISASSEMBLY
2. DVD Module(DAEWOO DQL-10XX)DISASSEMBLY
A. DECK TOTAL DVD AS
61
INSTRUMENT DISASSEMBLY
B. DRIVE UNIT AS
62
INSTRUMENT DISASSEMBLY
C. DRIVE UNIT HOLDER AS
63
INSTRUMENT DISASSEMBLY
D. PICK-UP TENSION AS
64
ELECTRICAL PARTSLIST
LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK
M100 97QD020100 DVD COMBI DSL-630 A21 2CH note
97Q6010000 DVD MECHA DDM-4001(HOP1200)+PLATE EARTH LOADER note
PVMGMSDA09 PCB MPEG MANUAL AS DQL-1003-2N0 PROGRESSIVE note
M1000 PVDKARNC60 DECK VCR AS(T60) DRN-T610R NON
P101A 97P88FAJ18 CABLE FFC 1.0 K 18P 180MM
PW01 97P69BY910 CORD POWER AS USA LP-11W YH396 1.7M