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7 Parts Location and Replacement Parts List (Updating) 33
2
SA-VK750GCP
1 NotesThis service manual does not contain the following information, because of the reference to the original model of SA-VK750GC/GS/GCS/GCT-S. (Order No. MD0606220CE) · Assembling & Disassembling · Service Positions · Self-diagnosis & special mode setting · Terminal function of IC’s
The following sections contains information that has been changed or modified.
2 AccessoriesNote: With reference to page 11 (section 6) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is theupdates.
AC plugadaptor
AUX adaptor
3
SA-VK750GCP
(All schematic diagrams may be modified at any time with thedevelopment of the new technology)S951 : MODE SwitchS952 : HALF SwitchS971 : MODE SwitchS972 : HALF SwitchS974 : RECINH_R SwitchS975 : RECINH_F SwitchS6701 : Power Switch ( )S6702 : SURR ENHANCER SwitchS6703 : SUPER SURR SwitchS6704 : SUPER SOUND EQ SwitchS6705 : SOUND EQ SwitchS6706 : SUB WOOFER SwitchS6708 : DECK1 SwitchS6709 : DECK2 SwitchS6711 : MUSIC PORT SwitchS6712 : TUNER SwitchS6713 : DISPLAY, -DEMO SwitchS6714 : DECK1/2 SwitchS6715 : REC Switch, ( )S6716 : TAPE Switch, ( )S6717 : DVD/CD Switch, ( )S6718 : FF Switch, ( )S6719 : STOP Switch, ( )S6720 : REW Switch, ( )S6721 : OPEN/CLOSE Switch, ( )S6722 : MULTI CHANGE Switch, ( )S6723 : SINGLE CHANGE Switch, ( )S6724 : Disc 1 Switch, ( )S6725 : Disc 2 Switch, ( )S6726 : Disc 3 Switch, ( )S6727 : Disc 4 Switch, ( )S6728 : Disc 5 Switch, ( )S6729 : MIC UP Switch, ( )S6730 : MIC DOWN Switch, ( )VR6701 : VR VOLUME JOG, ( ) · Importance safety notice :
Components identified by mark have specialcharacteristics important for safety.Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used.When replacing any of components, be sure to use only
manufacturer´s specified parts shown in the parts list.
· In case of AC rated voltage Capacitor, the part no andvalues will be indicated in the Schematic Diagram.AC rated voltage capacitor:C5001, C5701, C5702, C5704, C5710 & C5718
· Capacitor values are in microfarad(µF) unless specifiedotherwise, F=Farad, pF=Pico-FaradResistance values are in ohm(Ω), unless specifiedotherwise, 1K=1,000Ω, 1M=1,000KΩ
· Voltage and Signal lines:: +B Signal line
: -B Signal line
: CD-DA signal line: Main signal line: DVD (Video) signal line: DVD (Audio) signal line: FM/AM signal line: AUX signal line: Mic signal line
3 Notes of Schematic Diagrams
4
SA-VK750GCP
4 Schematic Diagram (Updating)
SA-VK750GCP
5
4.1. Optical Pickup Unit CircuitNote: With reference to page 91 (section 19.2) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
16
17
18
19
20
21
25
23
22
24
26
1
2
3
4
5
6
14
12
10
8
7
9
11
13
15
2
4
6
5
3
1
15
14
13
12
11
10
2
4
6
8
9
7
5
3
1
17
18
16
TOACT
TOHFM PCB
TOLDU PCB
L4J0JBC0000105
L1J0JBC0000105
L2J0JCC0000307
C622P
C80.1
C70.1
T+
F+
F-
T-
HFM
TA
TB
TD
TC
FE2
FE1
GND (IM)
GND (IM)
RF
VREF2(RF-)
PIN (DVD)
LD (CD)
LD GND
LD (DVD)
GND (OEIC)
VREF1
VCC
SUB2
SUB1
PIN(CD)
SUBSEL
GND
VCC
GND
GND
OUT
GND
GND
TB
TA
TC
TD
FE1
FE2
IM
RF
GND
VREF
VCC
SUB2
SUB1
SW
LD (CD)
LD (DVD)
LDGND
SCHEMATIC DIAGRAM - 1
OPTICAL PICKUP UNIT CIRCUIT : +B SIGNAL LINE : CD-DA SIGNAL LINE
C40.22
C522P
L3J0JBC0000105
R20
R40
C20.1
C10.1
C30.1
R10
R30
R50
R60
R76.8K
VR26.8K
VR16.8K
SA-VK750GCP OPTICAL PICKUP UNIT CIRCUIT
TODVD MODULECIRCUIT(FP8531) INSCHEMATICDIAGRAM-2
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
SA-VK750GCP
6
4.2. (A) DVD Module CircuitNote: With reference to page 92~95 (section 19.2) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5
DVD MODULE (DV3.2) CIRCUIT : +B SIGNAL LINE : CD-DA SIGNAL LINE
3029
15
16
1712
13
14
1811
1910
209
218
227
236
245
254
263
272
281
16
17
18
19
20
21
25
23
22
24
26
1
2
3
4
5
6
14
12
10
8
7
9
11
13
15
T+
F+
F-
T-
HFM
TA(DVD)
TB(DVD)
TD(DVD)
TC(DVD)
FE2(DVD/CD)
FE1(DVD/CD)
GND
RF
VREF2(RF-)
PIN(DVD)
LDCD
LDGND
LDDVD
GND(OEIC)
VREF1
VCC
SUB2
SUB1
PIN(CD)
SUBSEL
GND(VRCD)
FP8531
LDCNT
MUTE3
TRIN
BIAS2
LDIN
VIN3
PREVCC
FIN
VCC(CH3.4)
MUTE4
GND(CH3.4)
VO3-
VO3+
VO4-
VO4+
BIAS1
VIN1
VIN2
OPIN+
OPIN-
OPOUT
GND(PRE)
FIN
VCC(CH1.2)
MUTE12
GND(CH1.2)
VO2-
VO2+
VO1-
VO1+
VIN1
VIN2
VIN4
VIN3
RFINP
RFINN
LPC1
VREFH
VIN6
VIN5
LPC2
RAM_CD
LB8260 ERJ3GEY0R00V
LB8259 ERJ3GEY0R00V
LB8258 ERJ3GEY0R00V
LB8257 ERJ3GEY0R00V
LB8561 J0JBC0000042
LB8551 J0JBC0000042
LB8531 ERJ2GE0R00X
R8533 0
R8531 1.5K
C8533 0.1
C82560.1
C82530.1
R82516.8
RX8532(56 x 4)
RX8533(56 x 2)
C8531 100P
C8532220P
RX8531
(56 x 2)
IC8251
C0GBG0000048DRIVER IC IC8251
TOOPTICALPICKUPUNITCIRCUITINSCHEMATICDIAGRAM-1
TOSPINDLEMOTOR
C825516V22P
C82580.1
C825716V47P
R8532 2.2K
TRVFTMUTE
C82620.1
C82610.1
R826215K
R826182k
R826382k
R826415K
R823122K
R82302.2K
C82310.1
DRV0
R82327.5K
C82320.1
DRV1
C82520.1
C82516.3V220P
D+5V
2
4
6
5
3
1
FP8251
SPM-
SPM+
TRVM-
TRVM+
DGND
TRV_INNER_SW
M+9V
SPMUTE
AD1
TRDRV
FODRV
VHALF
TRV-I-SW
C8511 1
C8512 1
RX8534(56 x 2)
VIN8
VIN7
1
2
3 6
7
8
4 5
D+5VVO
NC
GND
CN
VIN
CTL VCC ADJ
R8153620
R81541K
GND OUT
NC
NC
Cont
D+3.3V
HFMON
AD0
LPC02
LPC01
A+5V
VDD12
LB8571J0JBC0000042
LB8530J0JHC0000045
C85720.1
C857110
D8571MA2J72800L
C81121
C8113470P
C81110.1
C81521
C81514.7
L8550G1C100KA0055
C85610.1
C85510.1
C85300.1
R855915K
R855847K
R855751
R855656
C85536.3V47P
R85552.2
R85531K
R85521K
R85510
R855468
C855216V10P
R856751
R856847K
R856656
C85636.3V47P
R85652.2
R85631K
C85641
C856216V10P
R856422
R85621K
R85610
C85506.3V33P
C85541
QR8571UNR511V00L
SUPPLY CONTROL SWITCH
Q8562B1ADGB000008
SWITCH
Q8552B1ADGB000008
SWITCH
Q85612SD1819A0L
Q85512SD1819A0L
SWITCH
SWITCH
IC8111C0CBCBD00018
3.3 REGULATOR IC
REGULATOR
IC8111
IC8151C0DBEHG00006
2R7V
VDD12
QR8111XP0621400L
SWITCH1 2 3
456
RX8111(22K x 2)
SCHEMATIC DIAGRAM - 2
4
51
2
3
4
51
2
3
VCC
GND
GND
VCC
OP_CPU_CLK
OP_CPU_CMD
OP_CPU_STAT
IC8691C0JBAA000346AND GATE LOGIC IC
IC8695C0JBAA000346AND GATE LOGIC IC
1/4 2/4 3/4 4/4 SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT
K8251 0
TO DVD MODULE (DV3.2SECTION (2/4
SA-VK750GCP
7
C8424 0.1
15 16 17 18 19 20 21 22 23 24 25 2614
IC8421
ZERO2
VOUT1
VOUT2
VCOM
AGND2
VCC2
VOUT3
VOUT4
VOUT5
VOUT6
AGND1
VCC1
VOUT7
VOUT8
ZERO1
MS
MC
MD
SCK
DATA1
BCK
LRCK
VDD
DGND
DATA2
DATA3
DATA4
MSEL
1
2 27
28
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
K80050
K80100
R832568
K83250
Y/PY/G
CB/PB/B
CR/PR/R
Y
C
C86110.1
36
37
38
39
40
41
49
47
45
43
42
44
46
48
50
21
22
23
24
25
26
34
32
30
28
27
29
31
33
35
15
16
17
18
19
20
1
2
3
4
5
13
11
9
7
6
8
10
12
14
DVD MODULE (DV3.2) CIRCUIT
SCHEMATIC DIAGRAM - 3
TOMAIN CIRCUIT(CN2036) INSCHEMATICDIAGRAM-6
FP8101
VGND
VGND
VGND
VGND
VGND
ADAC5V
ADAC5V
ADGND
ADGND
ADGND
ADGND
ADGND
ADGND
DGND
DGND
D+5V
D+5V
D+5V
A+5V
A+5V
A+5V
AGND
AGND
2R7V
2R7V
DGND
DGND
M+9V
M+9V
MGND
MGND
DGND
DGND
K8421 0
MIX-LLB8421 ERJ2GE0R00X
MIX-RLB8422 ERJ2GE0R00X
DOP_CPU-CLK
LB8691ERJ2GEJ101X
FL
FR
A-REFLB8423 ERJ2GE0R00X
ZFLAG&AMUTELB8424 ERJ2GE0R00X
AUDIODIGITALLB8491 ERJ2GE0R00X
DOP_CPU-CMD
LB8693 ERJ2GEJ101X
DOP_CPU-STAT
LB8692ERJ2GEJ101X
FL8103F1H0J1050022
C86950.1
C86910.1
LB8690J0JBC0000044
QR8420UNR521100L
AUDIO MUTING SWITCH
M+9V
C84236.3V33P
C8422 0.1
R84202.2K
C84216.3V100P
AUDIODIGITAL
SBT3
STBDAC
SBO3
P13
ADAC-CLK
DMIXOUT
SRCK
LRCK
FL8104F1J1E1040022
FL8102F1H0J1050022
FL8101F1H0J1050022
: DVD VIDEO SIGNAL LINE
1
2
3 46
47
48
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 38
12 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
8
72
1
63
54
RX8611(4.7K x 2)
R8611100
RX8691(10K x 2)
C86510.1
C86520.1
A0
A1
A2
GND
VCC
WP
SCL
SDA
A15
A14
A13
A12
A11
A10
A9
A19
A20
XWE
XRESET
NC
WP/ACC
RDY/XBSY
A18
A17
A7
A6
A5
A4
A3
A2
A1
A16
XBYTE
VSS
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VDD
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
XOE
VSS
XCE
A0
EXDT0
EXADR15 EXADR16
EXADR14
EXADR13
EXADR12
EXADR11
EXADR10
EXADR9
EXADR8
EXADR19
EXADR20
NEXWE
EXADR18
EXADR17
EXADR7
EXADR6
EXADR5
EXADR4
EXADR3
EXADR2
EXADR1 EXADR0
PNRST
SCL
SDA
SBT3
OP_CPU_CLK
OP_CPU_CMD
IC8611C3EBGC000055
16M EEPROM IC(NOT SUPPLIED)
IC8611
RX8001(10K x 2)
STBDAC
EXDT8
EXDT1
EXDT9
EXDT2
EXDT10
EXDT3
EXDT11
EXDT4
EXDT12
EXDT5
EXDT13
EXDT6
EXDT14
EXDT7
EXDT15
NEXCE
NEXOE
IC8651
EXTRG0
RX8032(4.7K x 2)
A8
IC8651
16M FLASH ROM IC
: +B SIGNAL LINE
: DVD AUDIO SIGNAL LINE
2R7V
1/4 2/4 3/4 4/4 SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT
CR/PR/R_A
Y_A
C_A
Y/PY/G_A
CB/PB/B_A
R83320
R83220
R83260
R832168
R834168
K83210
R833168
R833568
K83410
K83350
K83310
Y/PY/G
CB/PB/B
CR/PR/R
Y
C
LB8303 J0JBC0000042
LB8304 J0JBC0000042
LB8305 J0JBC0000042
LB8301 J0JBC0000042
LB8302 J0JBC0000042
Y/PY/G
CB/PB/B
CR/PR/R
Y
C
A1
A2
A5
A3
A4
TO DVD MODULE (DV3.2)SECTION (1/4)
TO DVD MODULE (DV3.2SECTION (3/4
LB8425 ERJ2GE0R00X
LB8426 ERJ2GE0R00X
SWLB8431 ERJ2GE0R00X
SR
CNTLB8429 ERJ2GE0R00X
LB8428 ERJ2GE0R00X
SLLB8427 ERJ2GE0R00X
IC8421C0FBBK000050
5-CH DAC IC
C8428
C84260.1
AOUT0
AOUT1
AOUT2
0.1
C84270.1
RFKWMHA0H160
SA-VK750GCP
8
28 29 30 31 32 33 34 35 36 37 38 3927
: CD-DA SIGNAL LINEDVD MODULE (DV3.2) CIRCUIT
SCHEMATIC DIAGRAM - 4
1
2
3 52
53
54
4 51
5 50
6 49
7 48
8 47
9 46
10 45
11 44
12 43
13 42
14 41
15 40
16 39
17 38
18 37
19 36
20 35
21 34
22 33
23 32
24 31
25 30
26 29
27 28
C86020.015
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
NC
UDQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
EXADR1
EXADR2
EXADR3
MDQ15
MDQ14
MDQ11
MDQ10
DQM1
CLK
MA7
MA6
MA5
MA4
MDQ0
MDQ1
MDQ4
MDQ5
DQM0
NWE
NCAS
NRAS
NCSM
BA0
BA1
MA0
MA1
MA2
MA3
C80511
C80520.1
C80530.1
C8054220P
C80551
C80562200P
C80571
C8007 0.1
C8019 0.1
C8018 0.1
C8008 0.1
IC8051
IC8051
C3ABPG00014564 SDRAM IC
4 5
123
VSS
VDD
OUT
NC
CD
PNRST
C86060.1
R8601100K C8601
0.1
IC8606C0EBE0000455
RESET IC IC8601C0EBA0000029
RESET IC
C8020 0.1
C8021 0.1
C8022 0.1
C8006 0.1
EXADR4
EXADR5
EXADR6
EXADR7
EXADR17
EXADR18
EXADR19
EXADR8
EXADR9
EXADR10
EXADR11
EXADR12
EXADR13
EXADR14
EXADR15
EXADR16
EXDT15
EXDT7
EXDT14
EXDT5
EXDT12
EXDT4
EXDT6
EXDT13
EXDT11
EXDT3
EXDT10
EXDT2
EXDT9
EXDT1
EXDT8
EXDT0
NEXOE
NEXCE
EXADR0
OUT
VDDNIC
GND 1
23
4
NEXWE
MA10
MA8
MA9
RX8015(82 x 4)
MA11
MDQ7
MDQ8
MDQ6
RX8014(82 x 4)
MDQ9
MDQ3
MDQ12
MDQ2
RX8012(82 x 4)
MDQ13
IC8606
IC8601
VHALF
VREFH
LPC02
LPC2
LPC01
LPC1
VIN3
VIN4
VIN2
VIN1
RFINP
RFINN
RAM_CD
TRV-I-SW
HFMON
OP_CPU_STAT
OP_CPU_CMD
OP_CPU_CLK
STBDAC
SBO3
SBT3
DRV1
DRV0
PNRST
MA3
MA4
MA2
MA5
NCSM
C8023
0.1
C8502
0.1
C8527
0.033
C8523
0.1
C8524
0.1
C8525
5600P
C8526
0.018
C8503
0.1
C8504
0.1
C8513
0.1
C8514
0.1
C8516
0.1
C8515
0.1
RX8017(82 x 4)
R8013
22
C8013
0.1
C8014
0.1
C8015
0.1
TRVFTMUTE
SPMUTE
1
2
3
4
5
6
7
8
9
65 66 67 68 69 70 71 72 73
185
186
187
188
189
190
191
192
248249250251252253254255256
10
184
74
247
11
183
75
246
12
182
13
181
76
245
77
244
14
180
15
179
16
178
78
243
79
242
80
241
17
177
18
176
19
175
20
174
81
240
82
239
83
238
84
237
21
173
22
172
23
171
24
170
25
169
85
236
86
235
87
234
88
233
89
232
26
168
27
167
28
166
29
165
30
164
31
163
32
162
90
231
91
230
92
229
93
228
94
227
95
226
96
225
33
161
34
35
159
36
158
97
224
98
223
99
222
100
221
37
157
38
156
39
155
40
154
41
153
42
152
43
151
44
150
101
220
102
219
103
218
104
217
105
216
106
215
107
214
108
213
160
45
149
46
148
47
147
48
146
49
145
50
144
51
143
52
142
109
212
110
211
111
210
112
209
113
208
114
207
115
206
116
205
53
141
54
140
55 138
56 137
57 136
58 135
59 134
60 133
61 132
62 131
63 130
64 129
117
204
118
203
119
202
120
201
121
200
122
199
123
198
124
197
125
196
126
195
127
194
128
193
139
MDQ18
VSS
VDD33
MDQ28
MDQ19
MDQ27
MDQ20
VDD33
VSS
MDQ26
MDQ21
MDQ25
MDQ22
MDQ24
MDQ23
VSS
VDD33
EXADT0
NEXCE
NEXOE
VSS
VDD12
EXDT0
EXDT8
EXDT1
EXDT9
EXTD2
EXDT10
EXDT3
EXDT11
EXDT4
EXDT12
EXDT5
VSS
VDD33
EXDT13
EXDT6
EXDT14
EXDT7
EXDT15
EXADR16
EXADT15
EXADT14
VSS
VDD12
EXADT13
EXADT12
EXADT11
EXADT10
EXADT9
EXADT8
VSS
VDD33
EXADR19
NEXWE
EXADR18
EXADR17
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1
TRCDATA1
TRCDATA0
TRCCLK
EXTRG0
SDATA
SCLOCK
EXTRG1
VSS
VDD33
VDIO0
VDIO1
VDIO2
VDIO3
VDIO4
VDIO5
VDIO6
VDIO7
VDD33
VSS
IECOUT
ADOUT0
ADOUT1
ADOUT2
ADOUT3
SRCK
LRCK
DACCK
VDD12
VSS
OSCO
OSCI
AVSSG
AVDDG
AVSSE
AVDDE
DAC5OUT
DAC4OUT
AVSSF
COMP2
IREF1
VREF
COMP1
AVDDF
DAC1OUT
DAC2OUT
DAC3OUT
AVDDH
PWM0
PWM1
AVSSH
AD4
AD2
AD1
AD0
VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
VIN6
VIN5
VIN9
VIN10
P0
P1
P2
VSS
VDD33
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P13
P14
VSS
VDD12
NRST
FG
DRV5
DRV4
DRV3
DRV2
DRV1
DRV0
VSS
VDD33
MONI7
MONI6
MONI5
MONI4
MONI3
MONI2
MONI1
MONI0
AVDDD
PLFIL1
AVSSD
VREFH7
VREFL7
CCAPA
AVSSC
CDATA
AVDDC
ANAMONI1
ANAMONI2
RFINN
RFINP
VIN1RF
VIN2RF
VIN4RF
VIN3RF
AVDDB
VREFH5
VREFL5
AVSSB
LPC1
LPC01
LPC2
LPC02
VREFH
VHALF
MDQ29
MDQ17
MDQ30
MDQ16
MDQ31
DQM3
DQM2
VDD33
VSS
MA3
MA4
MA2
MA5
MA1
MA6
MA0
MA7
VDD33
VSS
MA10
MA8
BA1
VDD12
VSS
MA9
BA0
MA11
NCSM
NRAS
NCAS
VSS
MCKI
VDD33
MCK
VSS
NWE
DQM1
DQM0
VDD12
MDQ7
MDQ8
VSS
VDD33
MDQ6
MDQ9
MDQ5
MDQ10
MDQ4
MDQ11
MDQ3
MDQ12
VSS
VDD33
MDQ2
MDQ13
MDQ1
MDQ14
MDQ0
MDQ15
VDD33
VSS
TRCST
TRCDATA3
TRC
DATA2
IC8001MN2DS0009VP
DV3.2 IC
C8012
0.1
C8016
0.1
C8017
0.1
C8004
0.1
C8003
0.1
R800347K
C8024
0.1
C8521
0.1
C8522
0.1
SCL
SDA
EXADR20
MA1
MA6
MA0
MA7
RX8016
(82x4)
MA10
MA8
MA9
MA11
BA1
BA0
RX8020
(22x2)
NRAS
NCAS
RX8018(22 x 2)
CLK
R8011
22
NWE
R8012
22
DQM1
DQM0
RX8019
(22x2)
MDQ5
MDQ10
MDQ4
MDQ11
MDQ1
MDQ14
MDQ0
MDQ15
MDQ7
MDQ8
MDQ6
MDQ9
MDQ3
MDQ12
MDQ2
MDQ13
RX8013
(82x4)
RX8011
(82x4)
TRCST
TRCDATA3
TRCDATA2
C8505 0.1
: +B SIGNAL LINE : DVD VIDEO SIGNAL LINE: DVD AUDIO SIGNAL LINE
C8528 1
C8529 1
TRCDATA1
TRCDATA0
TRCCLK
R804133
1/4 2/4 3/4 4/4
SA-VK750GCPDVD MODULE (DV3.2) CIRC
A5
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
A57
A58
A59
A6
A7
TO DVD MODULE (DV3.2)SECTION (2/4)
TO DVD MODULE (DV3.2)SECTION (4/4)
SA-VK750GCP
9
41 42 43 44 45 46 47 48 49 50 51 5240
Y/PY/G_A
CR/PR/R_A
CB/PB/B_A
C_A
Y_A
DVD MODULE (DV3.2) CIRCUIT
SCHEMATIC DIAGRAM - 5
D8211MA2J11000L
: +B SIGNAL LINE
: CD-DA SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: DVD VIDEO SIGNAL LINE
VDD12
AUDIODIGITAL
DMIXOUT
SRCK
LRCK
ADAC-CLK
FODRV
TRDRV
AD0
AD1
RX8031(4.7K x 2)
L8302G1C100K00019
VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
VIN6
VIN5
VIN5
VIN6
C85016.3V100P
C82016.3V100P
L8501G1C100K00019
L8201G1C100K00019
R821110K
C85414700P
C82111200P
C82211000P
C8222820P
C82261000P
C82251000P
R854115K
R82218.2K
R82258.2K
C8312 1
LB8401 J0JBC000042
C840115P
R86211M
R8622 1K
C862212P
C862112P
X8621H0J270500085
C8305 0.1
RX8401(100 x 2)
R8401 100
C8025 0.1
C80014V330P
C80116.3V100P
LB8001J0JHC0000045
LB8011J0JHC0000045
D+3.3V
D+3.3V
D+3.3V
R84210
AOUT2
RX8403(100 x 2)
AOUT0
AOUT1
SCLOCK
SDATA
EXTRG0
C8026 0.1
C8005 0.1
C8306 0.1
C83040.1
C8303 0.1
C83026.3V33P
C8313 1
R8313 9.1K R8314 0
C8301 6.3V220P
L8301G1C100K00019
R83112.4K
C8311 0.1
R8312 1K
C8202 0.1 C8203 0.1
1/4 2/4 3/4 4/4 SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
A57
A58
A59
A6
A7
TO DVD MODULE (DV3.2)SECTION (3/4)
RX8402(100 x 2)
SA-VK750GCP
10
4.3. (B) Main CircuitNote: With reference to page 96~99 (section 19.3) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
4.5. (D) Tact Switch Circuit & (E) Mic CircuitNote: With reference to page 101 (section 19.5) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
: MIC SIGNAL LINE
L6902
G0C100JA0052
8
9
11
12
10
2
5
6
3
4
1
7
14
13
H6704
S6711
MUSIC PORT
S6712
TUNER
S6713
DISPLAY
S6714
DECK1/2
S6715
REC
S6716
TAPE
S6717
DVD/CD
S6718
FF
S6719
STOP
S6720
REW
R6720
1K
R6721
1K
R6722
1.2K
R6723
1.8K
R6724
2.2K
R6725
2.7K
R6726
4.7K
R6727
6.8K
R6728
10K
R6750
22K
VR6701
EVEKE2F2524BVOLUME JOG
R6701
47K
R6702
47K
C6702
100
C6704
100
C6703
3300P
KEY2
GND
DVREF+
JOG_B
M_PORT
JOG_A
3 2 1
: +B SIGNAL LINETACT SWITCH CIRCUIT
SA-VK750GCP TACT SWITCH/MIC CIRCUIT
: +B SIGNAL LINE
TO
PANE
CIRC
(H670
IN
SCHE
DIAG
TO
PANEL
CIRCUIT
(H6902)
IN
SCHEMATIC
DIAGRAM-10
SCHEMATIC DIAGRAM - 11
MIC CIRCUIT
CN6701
GND2
+7V
MIC
MIC_SW
MIC_GND
2
3
1
5
4
R6913
330
R6904
2.2K R6816
8.2K 330KC6912
50V1
Q6901-Q6903
B1ABCF000176MIC AMP
R6905
470K
C6917
16V470
C6911
0.056
R6912
27K
R6910
4.7K
R6908
68
C6913
1000P
100
Q6902
Q6901 Q6903
R6914
1K
C6915
50V0.33
R6911
100
C6916
1000P
R6907
330K
C6909
100
C6910
50V0.1
R6901
680
R6902
680
C6902
0.022
R6903
560
C6901
0.022
L6901
G0C100JA0052
C6908
50V4.7
C6905
50V3.3
C6903
0.01
C6907
470P
R6906
4.7K
JK6902
JK6901
MIC
2MIC
1
R6909
C6914
2
4
5
1
7
3
6
2
4
5
1
7
3
6L6904
G0C100JA0052
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
SA-VK750GCP
16
4.6. (F) Damp CircuitNote: With reference to page 102 ~ 103 (section 19.6) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
LOW_CHAN
C10
C11
C12
C01
C02
C574850V4.7
C51341000P
C5116 0.1uF
C51120
C5125 0.1uF
7
9
10
8
4
5
1
3
2
6
12
11
Q5550,Q5551B1ABCF000176DC DETECT SWITCH
0C5106
R555822K
35V470C5641 C5640
35V470
C5133 100V22
1
2
3
1
2
3
1
2
3
ZJ5000K9ZZ00001279
ZJ5001K9ZZ00001279
ZJ5003K9ZZ00001279
C5129
100P
C51200.015
243 1
L5602G0C220Z00002
C51040.68uF
C51050.68uF
C51190.22
C51130.015
C5101 0.01C5100 0.01
R510022
R510222
C51020.1uF
C51030.1uF
R5554 120K
R5555 120K
C56310.1
C56300.1
C56490
C56480
C55080
L5601J0JKB0000020
L5600J0JKB0000020
-30V_SENSE
19 21 232220102 31 8 974 5 6 12 1514 17 18161311
C1AA00000755
6.3V100C5550
C51100.1uF
5.6KR5104
C5108
0.1uF
C51070.1uF
R5110
5.6K
R5109
5.6KC5126
0.1uF
C5127
0.1uF
R5108
10
R5106
10
C5121220
C5123220
C5117220
C5114220
C5109
220
C51280.1uF
C51240.1uF
C51220.1uF
C51180.1uF
C51150.1uF
R56021K
R56031K R5609
1K
R56011K
R560010K
R560410K
R560510K
R560710K
MODE_DA
MODE_DA
4
5
1
3
2
7
6
MUTE_S
MUTE_S
D_AMP+5V
D_AMP+5V
100K
R5606
R510710
R510510
C5132
1000P
D5557B0ACCK000005
7
9
10
8
4
5
1
3
2
6
12
11
S_WOOFER
CENTER
R550822
25V4.7
C5601
100K
R5610
R560810K
C5507220
R5507
10K
R55066.8K C
5506
0.1u
C5504
6.3V1000
C550050V470P
R5509270
R55011M
1
2
3
4
5
6
7 8
9
10
11
12
13
14R5505100K
X5500375KHz
R5504
100K
R5503 100K
W60030
W60000
W60090
415KHz
X5501
C5501
50V100
C5502
50V100
C5503
50V100
GND
25V4.7
C5600
MUTE_F
OSC
GND
OSC
OSC
R55021K
F_HOP
OSC
MUTE_S_OUT
C5131
0.47uF
W60120
W60130
W60110
W60100
C5130
0.47uF
VSSP
GND
LOW
GND
IN2-
OSC
IN1+
IN1-
IN2+
VSSD
VSSA2
MODE
SGND2
OUT1
VSSP1
VSSP2
CENTER
FRONT_L
SL
FL
SR
FR
GND
F_HOP
GND
DC_DET
FRONT_R
SIGNAL (TO FAN)
GND
SURR_R
S_WOOFER
GND
SURR_L
DC_DET
PROT
P_CONT
OUT2
GND
GND
GND
GND
-30V_SENSE
-30V_SENSE
-30V_SENSE
+30V
+30V
+30V
VDDP1
VSSA1
VDDA2
STABI
VDDP2
BOOT2
VDDA1
SGND1
BOOT1
D_AMP+5V
MUTE_FMUTE_F
MUTE_S
MODE_DA
AUDIO GND
AUDIO GND
P_CONT
GND 4Y
2Y 5A
4A3Y
5Y3A
1Y
1A
6A
VCC
2A 6Y
F_HOP
GND
CENT
D_AMP+5V
2-CH DIGITAL AMP
MUTE_F_OUT
Q5500
Q5501
Q5600
Q5601
Q5603Q5602
Q5600B1ADCF000001CONTROL SWITCH
Q5601B1ABCF000176
MODE SWTICH
Q5602,Q5603B1ABCF000176
MUTING SWITCH
Q5500B1ADCE000012
FREQUENCY HOPPING SWITCH
Q5501B1ABCF000176
FREQUENCY HOPPING SWITCH
IC5500C0JBAB000011
LOGIC IC
Q5550
IC5100
Q5551
CN2810
CN5603
CN5502
: +B SIGNAL LINE : -B SIGNAL LINE
: MAIN SIGNAL LINE
TOSMPS CIRCUIT(H5903)IN SCHEMATICDIAGRAM - 15
TOMAIN CIRCUIT(CNP2810)IN SCHEMATICDIAGRAM - 7
TOMAIN CIRCUIT(CNP2370)IN SCHEMATICDIAGRAM - 7
SA-VK750GCP DAMP CIRCUIT1/2 2/2
TO DAMP
SECTION (2/2)
DAMP CIRCUIT
SCHEMATIC DIAGRAM - 12
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
W60010
SA-VK750GCP
17
C10
C11
C12
C02
C01
0.1
C5313
C5311
0.1
R5550 120K
R5551 68K
SR_OUT
SL_OUT
C5647 35V470u C5646 35V470u
C5645 35V470u
C5745 0.1uC5744 0.1u
C5644 35V470u
7
9
10
8
4
5
1
3
2
6
12
11
CN5604
C5332 100V22u
R55561.2K
C5305 50V0.68uF
C5405 50V0.68uFC5404 50V0.68uF
C5304 50V0.68uF
2
1
4
3
L5604G0C220Z00002
C53030.1uF
C53020.1uF
R5557 2.2K
120KR5552
R5553
120K
C5301 50V0.01
C540150V0.01
C540050V0.01
C5300 50V0.01
R530022
R530122
2
1
4
3
L5605G0C220Z00002
C5433100V22u
C54030.1uF
C54020.1uF
R540122
R540022
C5408
0.1uF
C5407
0.1uF
R5309
5.6K
R5308
5.6K
W6007
0
R5402
5.6K
R5403
5.6K
R5307
10
R5305
10
C53210.015
C53140.015
R5302
5.6K
R5304
5.6K
VSSP
R5406
10
R5405
10
R540910
R540410
R5559220K
19 21 232220102 31 8 974 5 6 12 1514 17 18161311
C1AA00000755
FR_L
D5556B0ACCK000005
SL_OUT
SR_OUT
FR_R
C5306
1000P
R5408
5.6K
R5407
5.6K
19 21 2322201021 3 5 6 8 974 12 1514 17 18161311
C1AA00000755
OSC
OSC
GND
C54321000P
C54280.1uF
C54240.1uF
C54220.1uF
C54150.1uF
C54170.1uF
C5412
0.47uF
C5411
0.47uF
C5434
1000P
C5330
1000P
C5328
0.1uF
C5327
0.1uF
C5333
1000P
C5334
0.47uF
C5331
0.47uF
C53290.1uF
C53250.1uF
C53260.1uF
C5322220
C5324220
C5317220
C5315220
C5309
220
C53230.1uF
C53160.1uF
C53100.1uF
C5308
0.1uF
C53070.1uF
C53180.1uF
R530610
R530310
C5319 0.1uF
C54100.1uF
C5406
100P
C54180.1uF
C54250.1uF
C5423220
C5419
0.22uF
C5320
0.22
C5421220
C5414220
C5409
220
C5416220
C54200.015
C54130.015
C5427
0.1uF
C5429
100PC5426
0.1uF
C5431
0.47uF
C5430
0.47uF
C5312
1000P
FL
FL
GND
SL
SR
FR
MUTE_S_OUT
MUTE_F_OUT
VSSD
VSSA2
OSC
OSC
IN1+
IN1-
IN1-
IN2+
IN2-
IN1+
OUT1
VSSP2
VSSP1
BOOT2
VDDP2
PROT
OUT2
PROT
OUT2
OUT1
BOOT1
MODE
VSSD
FR_R
CENT
GND
FR_L
SUR_R
SUR_L
GND
FR_R
CENT
LOW
SW_L
GND
GND
FR_L
SW_R
SUR_L
GND
SUR_R
VSSA1
VDDP1
VDDA1
SGND1
STABI
VSSA2
VSSP1
VSSP2
SGND2
STABI
BOOT2
VSSA1
SGND1
VDDP1
VDDA2
BOOT1
VDDP2
VDDA1
IN2-
IN2+
MODE
SGND2
VDDA2
2-CH DIGITAL AMP 2-CH DIGITAL AMP
IC5300 IC5400
: +B SIGNAL LINE : -B SIGNAL LINE
: MAIN SIGNAL LINE
TOSPEAKER CIRCUIT(HW5604)ON SCHEMATICDIAGRAM - 14
SA-VK750GCP DAMP CIRCUIT1/2 2/2
TO DAMP
SECTION (1/2)
DAMP CIRCUIT
SCHEMATIC DIAGRAM - 13
15 16 17 18 19 20 21 22 23 24 25 2614
A
B
C
D
E
F
G
H
SA-VK750GCP
18
4.7. (G) Speaker CircuitNote: With reference to page 104 (section 19.7) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
TO
DAMP CIRCUIT
(CN5604)
IN SCHEMATIC
DIAGRAM - 13
SPEAKER CIRCUIT
SCHEMATIC DIAGRAM - 14
SA-VK750GCP SPEAKER CIRCUIT
: +B SIGNAL LINE : -B SIGNAL LINE
: MAIN SIGNAL LINE
L5610G0B9R5K00001
HW5604
JK5302
3
2
1
1
2
3
4
5
6
1
2
3
4
2
4 3
1
2
4 3
1
7
9
10
8
4
5
1
3
2
6
12
11
2
4 3
1
2
4 3
1
2
4 3
1
GND
ZJ5002K9ZZ00001279
R56110
R56120
JK5304
GND
L5606G0B9R5K00001
L5607G0B9R5K00001
SR_OUT
FR_R
SL_OUT
C565950V0.01
C565750V0.01
C565150V0.01
C565050V0.01
L5609G0B9R5K00001
FR_L
G0B9R5K00001L5608
R564210K
R562410K
R562110K
R561710K
R563810K
C566650V0.01
C566750V0.01
C566250V0.01
C566350V0.01
C566150V0.01
C566050V0.01
GNDSUR_L
GND
SUR_R
GND
GND
FR_L
FR_R
GND
GND
CENTSW_L
GNDGND
GND
LOW
GND
GND
FR_RFR_R
GND
SUR_R
CENT
SUR_L
CENT
SW_R
GND
FR_L
GND
FR_L
SUR_R
SUR_L
CENT
GND
FR_R
FR_L
GND
SUR_L
SUR_R
CENT
GND
FR_R
FR_L
GND
SUR_L
SUR_R
SPEAKERS
SA-VK750GCP
19
4.8. (H) SMPS CircuitNote: With reference to page 105~106 (section 19.8) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
1/2 2/2 SA-VK750GCP SMPS CIRCUIT
D01
4
3
1
2
W1AB
W1AA
TOMAINCIRCUIT(W1A)INSCHEMATICDIAGRAM-9
3
1 2
AR
32
C
1
3 12
V1
V2
24
18
75
6
M+18
+18
4.6
14
15
11
13
12
16
+30
-30
10
9
SHUNT REGULATOR IC
REGULATOR
REGULATOR
REGULATOR
REGULATOR
DC DETECT SWITCH
+30V
DC_DET
+18V
GND
+18V
+30V
GND
+30VDC_DET
DC_DET
SYNC
M+18V
M+18V
-30V
GND
-30V
AMP_BP
AMP_BP
DC_DET
-VP
FL1
FL1
FL2
P_CONT
AMP_BP
70mA
+15V
+7V
70mA
+13V
+7V
+15V
-7V
GND
M+18V
SYS6V
SYS_6V_GND
GND
SYNC
GND
PCONT
+30V
+30V
DC_DET
+30V
VCC_CTRL
-VP CIRCUIT
FL1
GND
FL2
-VP
GND
-30V
GND
GND
-30V
-30V
7
9
10
8
4
5
1
3
2
6
12
11
31 2
7
9
10
8
4
5
1
3
2
6
12
11
2
1
4
3
B0ACCK000005
B3PBA0000402
SYS6V
B0ADCJ000020
B0BC01600013
B1BACG000023
B1ADCF000001
B0HFRJ000012
B1ABCF000011
B0HBSM000043
B1GBCFJN0033
B0BC7R500001
B1ADCE000012
B1BCCG000002
B1BACG000023
B1ABCF000176
B1ABCF000176
B0HBSM000043
C0DABFC00002
B0EAMM000057
B0EAMM000057
ETS42BJ1H6AC
D4CC11040013
B0BC4R0A0006
B0BC02900004
2SB0621AHA
B0EAMM000057
B1BACD000018
3.3K
25V100
0.01
3.9K
5.6K
10K10k0.01
10K
25V 100
1.5K
47K
1.2K
270 2W
270 2W
6.8K
0
16V220
35V1000 35V 3300
0.1
10K
10K
0.01
2kV 1000pF
50V0.1
0.1u 16V220
47
56015K
0.1u
0.1u
0.01
10V33
2.7K
270 2W
2.7K
0.01 270 2W39K
220K
220K
35V3300
1000P
1000P
1000P
1000P
15K
0.047
2.2K
2.2K
10V220
68
16V100
10V47
150
50V 100
1A
50V 100
4.7K50V0.01 0
D5750
Q5752 B1ABCF000011Q5752
R5707
MAIN TRANSFORMER
PC5901
C5079
D5501
C5089
C50130.1
0.1
0.1
0.1
CN5902
R551947
R55201K
C5514 D5504
C5509
Q5503
Q5503
R5512
R5752
W56500
R5753R5754C5510
C5511
Q5750
Q5750R5751
C5978
W56530
R5907
R5908
R5909
R5517
R5516
R5968R5515
C5513
C5914 C5916
C5920
C5902
D5901
R5902
R5750
Q5751
Q5751
C5901
D5905
C5904
C5056
QR5500
QR5500
C5976 C5512
R5511
D5503R5981R5514
C5974
C5975
Q5971
Q5504
C5508
C5977
R5982
R5509Q5502
R5980
C5507
DC DETECT SWITCH
DC DETECT SWITCH
SWITCHINGDC DETECT
SWITCH
SWITCH
VOLTAGE REGULATOR
VOLTAGE REGULATOR SWITCH
R5510R5513
W58060
R5966
R5965
R597147
R597247
R597547
W56490
R597347
R597447
QR5503
QR5503
QR5502QR5502
R59101
C5917
D5904
C5913
R5903
C5905Q59252SC3940ARA
R5904
IC5901
H5903
D5902
C5903
D5903
T5701
R5901
W59010
TH5750
C5715
R5714C5930
C5716
CNP5904
D5714
R5961 C5714
C5929D5912 D5912
FP5901
C5927
Q5928
R5962C5926
D5713
Q5704R5969
K9ZZ00001279E5702
1
2
3
D02
D03
D04
D05
D06
D07
D08
D09
D11
D12
D13
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 15
: +B SIGNAL LINE : -B SIGNAL LINE
+18V
TOMAINCIRCUIT(CNP2710)INSCHEMATICDIAGRAM-9
TODAMPCIRCUIT(CN5502)INSCHEMATICDIAGRAM-12
TOPANELCIRCUIT(H6703) INSCHEMATICDIAGRAM-10
SA-VK750GCP
20
15 16 17 18 19 20 21 22 23 24 25 2614
1/2 2/2 SA-VK750GCP SMPS CIRCUIT
D01
D03
D04
D05
D06
D07
D08
D09
D11
D13
D12
2 431
B3PBA0000402PC5805
B3PBA0000402
12
36
45
B0ACCK000005
ERZV10V511CS
ZA5001ZA5002P5001
R5000470K DZ5001
2
3
1
B0EAMM000057
C0ABBA000168OP AMP IC
SWITCHING PWR IC
VOLTAGESELECTOR
390K
390K
0.1
22K
22k
D5971
IC5790
R5977
R5978
JK5970
C5972R5602
R5601
L5001L5701
300Vdc
SYS6V
INVERTER
SWITCH
SWITCHING
CURRENT LIMITING SWITCH
SYNC CIRCUIT
250V 6.3A
TO HEAT SINK
DRAIN
GND
VCC
SOURCE
FB
32
14
3
2
1
2
34
12
34
1
4
3
1
2
3
21
42
13
5
67 58
4
3
1
2
B1GDCFGA0018
B0BC5R600003
B0EAKM000117
B0FBAR000018
D4CAC8R00002
K9ZZ00001279
B0BC01700015
B0EAMM000057B0ACCK000005
B0EAMM000057
ELF21N024AELF22V020C
B0BC035A0007
2SC3940ARA
B0EAMM000057
B0BC02900004
2200P
2200P
B0JAME000114
B0ZAZ0000052
C5HABZZ00125
J0JKB0000020
B1GBCFLL0037
D4CAC8R00002
B1ABCF000176
B0BC5R000009
B3PBA0000402
K5D632BNA005
50V56
150390K390K
2.2K10K
50V1000p
10K
22
220P
0.1
680
470P
33K
33K
630V0.01
1K
47K
390K
22K
0.12.2K
50V 2.256K
C5713400V330
Q5702
Q5702
C5712
D5914
D5711
R5711
D5701
TH5701
R5814R5813
E5701
D5708D5706
D5709
R5708
D5705
R5709
R5001470K
D5707
Q5701Q5701
C5709
D5710
D5712
R5983
R5710
C5708
D5703
D5703
C5717
2KV1500C5707
D5704
R5705
C5706
R5703
R5702
C5705
D5702
IC5701
LB5701
Q5705
R5712
R5603
TH5970
R5979
R5600Q5970
Q5970
C5973
R5605
DZ5970
DZ5970
C5971
R5604
PC5703
F1
BACKUP TRANSFORMER
GND FBOCP
D
VCC
D START
67 5
2 43
8
1
4
3
1
2
910
78
B0BC5R600003
C0DABYY00002
B0EAMM000057
B1ABCF000176
B0BC3R700004
B0EAMM000057ETS19AB1Z6AG
B0EAMM000057
50V68050v2.2
4.7 (1/2W)
4.7 (1/2W)
0.1
SWITCHING IC
2.2K
4.7K100K
50V0.1
10V220
560
1.5K
330
1K
50V0.1
1kV47
50V22
4.7 (1/2W)
10
10
50V22
C5804C5807
R5804
D5805
D5805
R5806
C5809
IC5801
D5803
R5812
R5811
Q5804
R5815D5804
D5804
C5808
C5806
R5808
R5807
R5809
R5810
SYNC SWITCH
REGULATOR SWITCH
Q5802
B1ABCF000176Q5802
C5802
C5803
D5802D5802
C5805
R5805
PC5801
T5801 R5803
R5816
C5790
D5790
SYS6V
D02
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 16
GND
GND
: +B SIGNAL LINE : -B SIGNAL LINE
C5707
AC IN110-127V/220V-240V
50/60HZ
400V330C5711
C5702 C5701F1BAF1020020F1BAF1020020
1000P 1000P
F1BAF2220023
F1BAF2220023C5718
C5710
C5001ECQU2A224MLC
0.22
C5704ECQU2A224MLC
0.22C5001
0.068R5706
SA-VK750GCP
21
4.9. (I) Deck Circuit & (J) Deck Mechanism CircuitNote: With reference to page 107 (section 19.9) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
M
6
5
4 3
2
1
1234567
1
2
4
6
8
9
10
7
5
3
1
2
1
2
2
4
5
3
1
L
R
ERASEHEAD
RECORD/PLAYHEAD
2
4
5
3
1
LPLACKBACK
HEAD
R
2
4
5
3
1
2
4
5
3
1
1 2 3 4 5
1 2 3 4
21222324
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
S974
RECINH_R
CS1001
SCHEMATIC DIAGRAM - 17
DECK CIRCUIT
CS1002
L1002G2ZZ000000024
IC1001AN7348S-E1P.B EQ/REC AMP/ALC/TPS AMP
IC1004C1AA00000612
ANALOG SW IC
VCC
L
R
C103010V100
R101547
R1018
3.9K
C10320.018
C1036
0.033
R10294.7M
C1043
50V4.7
C1056
16V10
C1031
10V100
R101647
C1027
1000P
C10231000P
C10330.018
R1019
3.9K
C1035
50V3.3
C103750V3.3
C1039
220P
10V22
C1045
R10288.2K
C1041
16V10
C1021470P
C10221000P
R10178.2K
R100918K
C1020470P
C10191000P
C104016V10C1012
1000PC10151000P
R101018K
R10261K
R10054.7K
C100916V47
4
L1001G0C470JA0052
C100650V1
C10022.2
C10074700P
R100310K
D1003B0ACCK000005
Q1003B1AAGC000007
SWITCHING(RECH)
Q1007
R1090220
C104616V220
R10400
C104410V33
R10041.5K
Q1004
Q1005
Q1004, Q1005B1AAGC000007
BIAS OSCILLATOR
C10131000P
C10141000P
C101025V100
R10074.7
C10162200P
C10172200P
R10118.2K
Q1007B1ABCF000176BIAS OSC CONTROL
C10266.3V47
R10134.7K
R10124.7K
C10183300P
R10144.7K
C10110.047
C100850V1
C103450V3.3
R103210K
R10552.2K
C1038220P
C104216V22
R103127K
R103510K
R1030
100
5
11
12
TAPEB
INPUT
TAPEB
INPUT
TAPEA
INPUT
TAPEA
INPUT
PBAMP
NF
PBAMP
NF
PBAMP
EQ
PBAMP
EQ
PBAMP
OUTPUT
PBAMP
OUTPUT
ABSW
T
RECIN
RECIN
RECOUT
RECOUT
REC/PBSW
ABSW
RIPPLE
FILTER
OUTPUT
GND
VCC
CRO/NOR
HI/LO
ALCT
ALCLOW
CUT
IC1001
SW
GND
CTRL2
CTRL1
3
C10581000P
R11000
R11010
C10571000P
C10590.01
R1099
0
R10020
R10240
R10250
R10270
R10200
R102210K
: PLAYBACK SIGNAL : RECORD SIGNAL LINE: +B SIGNAL
R10842.2K
R10862.2K
R10490
R10500
R10920
R10910
R108747K
R108547K
R10572.2K
R1060390
PBL
PBR
AFGND
RECINL
RECINR
+B
REC_H
MO+B
MOGND
DECK1_H
MOTOR
Q1017B1AARC000003
MOTOR SWITCH
M1(REF NO 53)
CN1001
IC951CNB13030R2AUPHOTO INTERRUPTER
IC971CNB13030R2AUPHOTO INTERRUPTER
Z971RGSD12A1445T
MODE
PL
GND
HALF
STBY_5V
VREF_GND
PHOTO_T
D1_CRO2
TOPANELCIRCUIT(CN6601) INSCHEMATICDIAGRAM-10
MODE
PL
GND
HALF
PHOTO_S
STBY_5V
VREF_GND
PHOTO_T
D1_CRO2
DECK MECHANISM CIRCUIT
CN971
PL1
PL2
STBY_5V
PL_GND
AD_OUT
PHOTO_PB
PHOTO_RP
HALF_PB
VREF_GND
MODE_PB
R972820
R97339K
PL971
R952820
R95339K
D951MA2C16500E
D971MA2C16500E
PL970
S952 HALF
S951MODE
S972
HALF
S971
MODE
S975
RECINH_F
HALF
RECINH_R
MODE
RECINH_F
AD_OUT
VREF_GND
STBY_5V
-
+
C10493300P
C10503300P
R109810K
10
R110210K
TOMAIN CIRCUIT (CNP2101) INSCHEMATIC DIAGRAM-8
R109710K
111098761 5432
SA-VK750GCP DECK MECHANISM/DECK CIRCUIT
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13
SA-VK750GCP
22
5 Printed Circuit Board (Updating)
SA-VK750GCP
23
5.1. (A) DVD Module P.C.B.Note: With reference to page 110 (section 20.1) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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SA-VK750GCP
24
5.2. (B) Main P.C.B.Note: With reference to page 111 (section 20.2) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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25
5.3. (C) Panel P.C.B.Note: With reference to page 112 (section 20.3) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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SA-VK750GCP
26
5.4. (D) Tact Switch P.C.B., (E) Mic P.C.B., (I) Deck P.C.B. & (J) Deck Mechanism P.C.B.Note: With reference to page 113 (section 20.4) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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SA-VK750GCP
27
5.5. (E) DAMP P.C.B. & (F) Speaker P.C.B.Note: With reference to page 114 (section 20.5) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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SA-VK750GCP
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5.6. (H) SMPS P.C.B.Note: With reference to page 115 (section 20.6) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
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SA-VK750GCP
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6 Exploded Views (Updating)
SA-VK750GCP
31
6.1. PackagingNote: With reference to page 124 (section 24.3) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.
SA-VK750GCP
32
Ref. No. Part No. Part Name & Description RemarksCABINET AND CHASSIS
IC951 CNB13030R2AU IC PHOTO INTERRUPTER [M]IC971 CNB13030R2AU IC PHOTO INTERRUPTER [M]IC1001 AN7348S-E1 IC P.B EQ/REC AMP/ALC/TPS
AMP[M]
IC1004 C1AA00000612 IC ANALOG SW [M]IC2000 C9ZB00000461 IC VIDEO BUFFER [M]IC2200 C1BB00001098 IC ASP [M]IC2210 C1BB00001012 IC KOK [M]IC2300 C0ABBB000230 IC OP-AMP [M]IC2340 C0AABB000125 IC OP-AMP [M]IC2401 C1BB00000086 IC SPE ANA [M]IC2500 C0ABCB000052 IC QUAD OP-AMP [M]IC2501 C0ABCB000052 IC QUAD OP-AMP [M]IC2502 C0JBAR000326 IC LOGICS [M]
Ref. No. Part No. Part Name & Description RemarksIC2600 C2CBYY000269 IC MICROCONTROLLER [M]IC2720 C0DAAMH00012 IC DC-DC CONVERTER [M]IC2810 C0CAAKG00013 IC TERMINAL [M]IC5100 C1AA00000755 IC 2-CH DIGITAL AMP [M]IC5300 C1AA00000755 IC 2-CH DIGITAL AMP [M]IC5400 C1AA00000755 IC 2-CH DIGITAL AMP [M]IC5500 C0JBAB000011 IC LOGIC [M]IC5701 C5HABZZ00125 IC SWITCHING POWER [M]IC5790 C0ABBA000168 IC OP-AMP [M]IC5801 C0DABYY00002 IC SWITCHING [M]IC5901 C0DABFC00002 IC SHUNT REGULATOR [M]IC6701 C0HBB0000064 IC FL DRIVER [M]IC6702 C0ABBB000230 IC OP-AMP [M]IC8001 MN2DS0009VP IC DV 3.2 [M]IC8051 C3ABPG000145 IC 64 SDRAM [M]IC8111 C0CBCBD00018 IC 3.3 REGULATOR [M]IC8151 C0DBEHG00006 IC REGULATOR [M]IC8251 C0GBG0000048 IC DRIVER [M]IC8421 C0FBBK000050 IC 5-CH DAC [M]IC8601 C0EBA0000029 IC RESET [M]IC8606 C0EBE0000455 IC RESET [M]IC8651 RFKWMHA0H160 IC 16M FLASH ROM [SPG]IC8691 C0JBAA000346 IC AND GATE LOGIC [M]IC8695 C0JBAA000346 IC AND GATE LOGIC [M]
7 Parts Location and Replacement Parts List (Updating)Note: With reference to page 125 ~ 140 (sections 25) of original service manual for SA-VK750GC/GS/GCS/GCT-S (forsection of Cabinet and Chassis) The electrical part list section is for SA-VK750GCP-S. Below are the updates.
Notes: · Important safety notice:
Components identified by mark have special characteristics important for safety.Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise(resistors), etc are used.When replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
· The parenthesized indications in the Remarks columns specify the areas or colour. (Refer to the cover page for area or colour)
Parts without these indications can be used for all areas. · Warning: This product uses a laser diode. Refer to caution statements on “Precaution of Laser Diode”. · Capacitor values are in microfarads (µF) unless specified otherwise, P= Pico-farads (pF), F= Farads. · Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM). · The marking (RTL) indicates that the Retention Time is limited for this items. After the discontinuation of this assembly in
production, the item will continue to be available for a specific period of time. The retention period of a availability is dependenton the type of assembly, and in accordance with the laws governing part and product retention. After the end of this period, theassembly will no longer be available.
· [M] markings in the Remarks columns indicates parts supplied by PAVCSG. · [SPG] markings in the Remarks columns indicates parts supplied by PAVC. · Reference for O/I book languages are as follows:
Ar: Arabic Du: Dutch It: Italian Sp SpanishCf: Canadian French En: English Ko: Korean Sw: SwedishCz: Czech Fr: French Po: Polish Co: Traditional ChineseDa: Danish Ge: German Ru: Russian Cn: Simplified ChinesePe: Persian Ur: Ukraine
JK2000 K1AY105B0002 JK S VIDEO [M]JK2001 K2HA408B0083 JK COMP/VIDEO [M]JK2300 K2HA204B0153 JK CONNECTOR [M]JK2301 K2HA1YYB0004 JK S.W. [M]JK5302 K4AC04B00014 JK SPEAKER [M]JK5304 K4BC06B00063 JK 6P SPEAKER [M]JK5970 K0ABLB000003 JK VOLTAGE SELECTOR [M]JK6801 K2HC103A0024 JK HP [M]JK6802 K2HC1YYA0002 JK MUSIC PORT [M]JK6901 K2HB102J0038 JK MIC [M]JK6902 K2HB102J0038 JK MIC [M]