Panasonic SAVK-750-GCP Service manual

DVD Stereo System

SA-VK750GCP

Colour

(S) .... Silver Type

ORDER NO. MD0607239AE

Please use this manual together with the service manual for Model No. [SA-VK750GC/GS/GCS/GCT-S,
Order No. MD0606220CE].

Specifications

n SYSTEM

(Refer to the original service manual for information of the technical
specifications.)

Notes:

1. Specifications are subject to change without notice. Mass and
dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum
analyzer.

CONTENTS

Page Page

1 Notes 3

2 Accessories

3 Notes of Schematic Diagrams

4 Schematic Diagram (Updating)

3

4

5

© 2006 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

SA-VK750GCP

4.1. Optical Pickup Unit Circuit 6

4.2. (A) DVD Module Circuit

4.3. (B) Main Circuit

4.4. (C) Panel Circuit

4.5. (D) Tact Switch Circuit & (E) Mic Circuit

4.6. (F) Damp Circuit

4.7. (G) Speaker Circuit

4.8. (H) SMPS Circuit

4.9. (I) Deck Circuit & (J) Deck Mechanism Circuit

5 Printed Circuit Board (Updating)

5.1. (A) DVD Module P.C.B.

7

11

15

16

17

19

20

22

23

5.2. (B) Main P.C.B.

5.3. (C) Panel P.C.B.

5.4. (D) Tact Switch P.C.B., (E) Mic P.C.B., (I) Deck P.C.B. &

(J) Deck Mechanism P.C.B.

5.5. (E) DAMP P.C.B. & (F) Speaker P.C.B.

5.6. (H) SMPS P.C.B.

6 Exploded Views (Updating)

6.1. Packaging

7 Parts Location and Replacement Parts List (Updating)

24

25

26

27

28

29

31

32

33

2

SA-VK750GCP

1 Notes

This service manual does not contain the following information, because of the reference to the original model of SA­VK750GC/GS/GCS/GCT-S. (Order No. MD0606220C E)

· 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 Accessories

Note: With reference to page 11 (section 6) of original service manual for SA-VK750 GC/GS/GCS/G CT-S. Below is the
updates.

AC plug

adaptor

AUX adaptor

3

SA-VK750GCP

3 Notes of Schematic Diagrams

(All schematic diagrams may be modified at any time with the
development of the new technology)

S951 : MODE Switch
S952 : HALF Switch
S971 : MODE Switch
S972 : HALF Switch
S974 : RECINH_R Switch
S975 : RECINH_F Switch
S6701 : Power Switch (
S6702 : SURR ENHANCER Switch
S6703 : SUPER SURR Switch
S6704 : SUPER SOUND EQ Switch
S6705 : SOUND EQ Switch
S6706 : SUB WOOFER Switch
S6708 : DECK1 Switch
S6709 : DECK2 Switch
S6711 : MUSIC PORT Switch
S6712 : TUNER Switch
S6713 : DISPLAY, -DEMO Switch
S6714 : DECK1/2 Switch
S6715 : 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
characteristics important for safety.
Furthermore, special parts which have purposes of fire­retardant (resistors), high-quality sound (capacitors), low­noise (resistors), etc. are used.

When replacing any of components, be sure to use only

manufacturer´s specified parts shown in the parts list.

)

)

)

)

)

)

)

)

)

)

)
)
)

)

)

)

)

)

mark have special

· 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

· In case of AC rated voltage Capacitor, the part no and

values will be indicated in the Schematic Diagram.

AC rated voltage capacitor:
C5001, C5701, C5702 , C5704, C5710 & C5718

· Capacitor values are in microfarad(µF) unless specified

otherwise, F=Farad, pF=Pico-Farad

Resistance values are in ohm(Ω), unless specified
otherwise, 1K=1,000Ω , 1M=1,000KΩ

4

4 Schematic Diagram (Updating)

SA-VK750GCP

5

SA-VK750GCP

4.1. Optical Pickup Unit Circuit

Note: With reference to page 91 (section 19.2) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.

H

G

F

E

D

SCHEMATIC DIAGRAM - 1

OPTICAL PICKUP UNIT CIRCUIT

GND

TO

HFM PCB

TO

LDU PCB

1
2
3
4
5
6

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18

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

J0JBC0000105

J0JBC0000105

: +B SIGNAL LINE

L4

L3

C8

0.1

R2

0

R4

0

6.8K

R1

0

R3

0

R5

0

R6

0

R7

C1

0.1

C3

0.1

VR1

6.8K

VR2

6.8K

C2

0.1

: CD-DA SIGNAL LINE

TOACT

HFM

FE2
FE1

GND (IM)

VREF2(RF-)

PIN (DVD)

LD (CD)
LD GND

LD (DVD)

GND (OEIC)

VREF1

VCC
SUB2
SUB1

PIN(CD)

SUBSEL

GND (IM)

T+
F+

F-
T-

TA
TB
TD
TC

RF

26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

TO
DVD MODULE
CIRCUIT
(FP8531) IN
SCHEMATIC
DIAGRAM-2

C6

C5

22P

22P

C

L2

J0JCC0000307

L1

J0JBC0000105

0.22

C7

0.1

C4

B

A

SA-VK750GCP OPTICAL PICKUP UNIT CIRCUIT

1 2345678910111213

6

4.2. (A) DVD Module Circuit

2
4

Note: With reference to page 92~95 (section 19.2) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.

SCHEMATIC DIAGRAM - 2

SA-VK750GCP

DVD MODULE (DV3.2) CIRCUIT

: +B SIGNAL LINE : CD-DA SIGNAL LINE

H

TRV-I-SW

D+5V

C8251

6.3V220P

C8262

G

R8261

TRV_INNER_SW

1

DGND

2

TO
SPINDLE

F

MOTOR

TRVM+

3

TRVM-

4

SPM+

5

SPM-

6

FP8251

E

82k

R8263

82k

C0GBG0000048

C8252

0.1

R8264

15K

IC8251

DRIVER IC

LB8260 ERJ3GEY0R00V

LB8259 ERJ3GEY0R00V

LB8258 ERJ3GEY0R00V

LB8257 ERJ3GEY0R00V

C8261

0.1

K8251 0

C8253

IC8251

VCC(CH3.4)

GND(CH3.4)

LDCNT

MUTE3

TRIN

BIAS2

LDIN

VIN3

PREVCC

FIN

MUTE4

VO3-

VO3+

VO4-

VO4+

BIAS1

1

VIN1

2

VIN2

3

R8262

15K

4

OPIN+

OPIN-

5

OPOUT

6

GND(PRE)

7

FIN

VCC(CH1.2)

8

MUTE12

0.1

9

GND(CH1.2)

10

VO2-

11

VO2+

12

VO1-

13

14

VO1+

0.1

28

27

26

25

24

23

22

3029

21

20

19

18

17

16

15

C8256

0.1

C8231

0.1

C8232

0.1

R8231

R8232

R8251

C8255

16V22P

22K

7.5K

6.8

C8258

0.1

C8257

16V47P

R8230

2.2K

FODRV
TRDRV

VHALF

SPMUTE

DRV0

DRV1

M+9V

TRVFTMUTE

AD1

QR8571

UNR511V00L

SUPPLY CONTROL SWITCH

C8112

IC8151

C0DBEHG00006

REGULATOR

CTL VCC ADJ

GND OUT

2345

1

R8153

R8154

620

1K

C81521C8151

C0CBCBD00018

1

VO

C8113

470P

2

NC

3

GND

4

CN

1

4.7

IC8111

3.3 REGULATOR IC

IC8111

Cont

8

VIN

7

NC

6

NC

5

C8111

0.1

QR8111

XP0621400L

SWITCH

RX8111

(22K x 2)

5

6

1

2

VDD12

2R7V

D+3.3V

D+5V

4

3

VDD12

HFMON

TO DVD MODULE (DV3.

SECTION (2/

D8571

VIN1
VIN2
VIN4
VIN3
VIN8
VIN7

LPC1

VIN6
VIN5

LPC2

MA2J72800L

LB8571

J0JBC0000042

C8572

0.1

C8571

10

LB8530

J0JHC0000045

C8530

0.1

C8551

0.1

C8561

0.1

R8567

R8566

51

R8568

47K

R8559

15K

B1ADGB000008

C8563

6.3V47P

56

R8565

2.2

Q8562

B1ADGB000008

SWITCH

R8557

51

R8558

R8556

47K

56

Q8552

SWITCH

R8563

R8564

22

1K

C8553

6.3V47P

R8555

2.2

C8562

16V10P

R8554

R8553

1K

68

C8564

1

R8562

1K

C8552

16V10P

Q8551

2SD1819A0L

SWITCH

C8550

6.3V33P

R8561

0

Q8561

2SD1819A0L

SWITCH

C8554

1

R8552

1K

L8550

G1C100KA0055

R8551

0

A+5V

LPC02

LPC01

AD0

OP_CPU_CLK

OP_CPU_STAT

OP_CPU_CMD

IC8691

C0JBAA000346

AND GATE LOGIC IC

VCC

2

3

GND

IC8695

C0JBAA000346

AND GATE LOGIC IC

VCC

2

3

GND

51

4

51

4

D

TO
OPTICAL

C

PICKUP
UNIT
CIRCUIT
IN
SCHEMATIC
DIAGRAM-1

B

T+

26

F+

25

F-

24

T-

23

HFM

22

TA(DVD)

21

TB(DVD)

20

TD(DVD)

19

TC(DVD)

18

FE2(DVD/CD)

17

FE1(DVD/CD)

16

GND

15

RF

14

VREF2(RF-)

13

PIN(DVD)

12

LDCD

11

LDGND

10

LDDVD

9

GND(OEIC)

8

VREF1

7

VCC

6

SUB2

5

SUB1

4

PIN(CD)

3

SUBSEL

2

GND(VRCD)

1

FP8531

C8533 0.1

RX8531
(56x2)

RX8532
(56x4)

RX8534
(56x2)

R8531 1.5K

LB8561 J0JBC0000042
LB8551 J0JBC0000042

LB8531 ERJ2GE0R00X

R8532 2.2K
R8533 0

RX8533
(56x2)

C8511 1
C8512 1

C8532

220P

C8531 100P

RFINP
RFINN

VREFH

RAM_CD

A

1/4 2/4 3/4 4/4

SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT

1 2345678910111213

7

SA-VK750GCP

SCHEMATIC DIAGRAM - 3

DVD MODULE (DV3.2) CIRCUIT

TO DVD MODULE (DV3.2)
SECTION (1/4)

Y/PY/G

CB/PB/B

CR/PR/R

Y
C

STBDAC

SBT3

SBO3

ADAC-CLK

DMIXOUT

SRCK

LRCK

C8426

0.1

AOUT0

AOUT1

AOUT2

P13

AUDIODIGITAL
A+5V

2R7V
M+9V

D+5V

A1

A2

C8428

0.1

C8421

6.3V100P

1

ZERO1

MS

2

MC

3

4

MD

5

SCK

6

DATA1

BCK

7

IC8421

8

LRCK

9

VDD

10

DGND

11

DATA2

12

DATA3

13

DATA4

14

MSEL

IC8421

C0FBBK000050

5-CH DAC IC

ZERO2

VOUT1

VOUT2

VCOM

AGND2

VCC2

VOUT3

VOUT4

VOUT5

VOUT6

AGND1

VCC1

VOUT7

VOUT8

: +B SIGNAL LINE

: DVD VIDEO SIGNAL LINE

: DVD AUDIO SIGNAL LINE

A5

EXADR15

EXADR14

EXADR13

EXADR12

EXADR11

EXADR10

VGND

50

LB8303 J0JBC0000042

LB8304 J0JBC0000042

LB8305 J0JBC0000042

LB8301 J0JBC0000042

LB8302 J0JBC0000042

K8421 0

LB8421 ERJ2GE0R00X

LB8422 ERJ2GE0R00X

LB8425 ERJ2GE0R00X

LB8426 ERJ2GE0R00X

LB8427 ERJ2GE0R00X

LB8428 ERJ2GE0R00X

LB8429 ERJ2GE0R00X

LB8431 ERJ2GE0R00X
LB8423 ERJ2GE0R00X
LB8424 ERJ2GE0R00X

LB8491 ERJ2GE0R00X

FL8103

F1H0J1050022

FL8102

F1H0J1050022

FL8101

F1H0J1050022

FL8104

F1J1E1040022

R8420

2.2K

C8691

0.1

C8422 0.1

C8427

0.1

QR8420

UNR521100L

AUDIO MUTING SWITCH

LB8691

ERJ2GEJ101X

28

27

26

25

24

23

22

21

20

19

18

17

16

15

C8424 0.1

C8423

6.3V33P

LB8690

J0JBC0000044

Y/PY/G

VGND

CB/PB/B

VGND

CR/PR/R

VGND

VGND

ADAC5V

MIX-L

ADAC5V

MIX-R

ADGND

ADGND

ADGND

ADGND

ADGND

CNT

ADGND

A-REF

ZFLAG&AMUTE

DGND

AUDIODIGITAL

DGND

D+5V

DGND

D+5V

DGND

A+5V

AGND

A+5V

AGND

2R7V

DGND

2R7V

DGND

M+9V

MGND

M+9V

MGND

DOP_CPU-CLK

DOP_CPU-CMD

DOP_CPU-STAT

FP8101

Y

C

FL

FR

SL

SR

SW

49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28

TO

27

MAIN CIRCUIT

26

(CN2036) IN

25

SCHEMATIC

24

DIAGRAM-6

23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

C3EBGC000055

16M EEPROM IC
(NOT SUPPLIED)

1

A0

2

A1

3

A2

4

GND

SCL

SDA

OP_CPU_CLK
OP_CPU_CMD

SBT3
STBDAC

EXTRG0

Y/PY/G

CB/PB/B

CR/PR/R

Y

IC8611

IC8611

RX8691

(10K x 2)

RX8001

(10K x 2)

RX8032

(4.7K x 2)

R8611

100

VCC

SCL

SDA

8

C8611

0.1

7

WP

6

5

RX8611

(4.7K x 2)

R8332

0

R8322

0

R8335

68

R8341

68

K8331

0

R8331

68

K8335

0

K8341

0

K8321

0

R8321

68

EXADR9

EXADR8

EXADR19

EXADR20

NEXWE

PNRST

EXADR18

EXADR17

EXADR7

EXADR6

EXADR5

EXADR4

EXADR3

EXADR2

EXADR1

Y/PY/G_A

CB/PB/B_A

CR/PR/R_A

Y_A

1

A15

A14

2

3

A13

A12

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

RFKWMHA0H160

DQ15/A-1

A11

A10

A9

A8

A19

A20

XWE

XRESET

NC

IC8651

WP/ACC

RDY/XBSY

A18

A17

A7

A6

A5

A4

A3

A2

A1

IC8651

16M FLASH ROM IC

A16

XBYTE

VSS

DQ7

DQ14

DQ6

DQ13

DQ5

DQ12

DQ4

VDD

DQ11

DQ3

DQ10

DQ2

DQ9

DQ1

DQ8

DQ0

XOE

VSS

XCE

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

A0

K8010

0

EXADR16

EXDT15

EXDT7

EXDT14

EXDT6

EXDT13

EXDT5

EXDT12

EXDT4

EXDT11

EXDT3

EXDT10

EXDT2

EXDT9

EXDT1

EXDT8

EXDT0

NEXOE

NEXCE

EXADR0

C8651

C8652

0.1

0.1

TO DVD MODULE (DV3.2

K8005

0

SECTION (3/4

C8695

A3

A4

0.1
LB8692

ERJ2GEJ101X

LB8693 ERJ2GEJ101X

C

R8326

1/4 2/4 3/4 4/4

K8325

0

R8325

0

68

C_A

SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT

15 16 17 18 19 20 21 22 23 24 25 2614

8

SCHEMATIC DIAGRAM - 4

C

SA-VK750GCP

DVD MODULE (DV3.2) CIRCUIT

A5

C8051

1

MDQ0

C8052

0.1

MDQ1

MDQ4

C8053

0.1

MDQ5

C8054

220P

DQM0

NWE

NCAS

NRAS

NCSM

BA0

BA1

MA0

MA1

MA2

MA3

C8055

1

TO DVD MODULE (DV3.2)
SECTION (2/4)

C8606

0.1

3

VSS

IC8606

NC

4

1

VDD

2

DQ0

3

VDDQ

4

DQ1

5

DQ2

6

VSSQ

7

DQ3

8

DQ4

9

VDDQ

10

DQ5

11

DQ6

12

VSSQ

IC8051

13

DQ7

14

VDD

15

LDQM

16

/WE

/CAS

17

18

/RAS

19

/CS

20

BA0

21

BA1

22

A10/AP

23

A0

24

A1

25

A2

26

A3

27

VDD

C3ABPG000145

64 SDRAM IC

R8601

100K

12

VDD

OUT

C0EBE0000455

CD

5

28 29 30 31 32 33 34 35 36 37 38 3927

IC8051

IC8606

RESET IC

VSS

DQ15

VSSQ

DQ14

DQ13

VDDQ

DQ12

DQ11

VSSQ

DQ10

DQ9

VDDQ

DQ8

VSS

UDQM

CLK

CKE

VSS

: +B SIGNAL LINE

54

C8602

0.015

C8057

C8056
2200P

1

MDQ15

MDQ14

MDQ11

MDQ10

DQM1

CLK

MA7

MA6

MA5

MA4

C8601

0.1

3

IC8601

GND

4

IC8601

C0EBA0000029

RESET IC

VDDNIC

OUT

RX8012
(82x4)

RX8014

(82x4)

RX8015
(82x4)

2

1

PNRST

MDQ3

MDQ12

MDQ2

MDQ13

MDQ7
MDQ8
MDQ6
MDQ9

MA10

MA8
MA9

MA11

EXADR0
NEXCE
NEXOE

EXDT0
EXDT8
EXDT1
EXDT9
EXDT2
EXDT10
EXDT3
EXDT11
EXDT4
EXDT12
EXDT5

EXDT13
EXDT6
EXDT14
EXDT7
EXDT15
EXADR16
EXADR15
EXADR14

EXADR13
EXADR12
EXADR11
EXADR10
EXADR9
EXADR8

EXADR19
NEXWE
EXADR18
EXADR17
EXADR7
EXADR6
EXADR5
EXADR4
EXADR3
EXADR2
EXADR1

C8018 0.1

C8019 0.1

C8020 0.1

C8006 0.1

C8021 0.1

C8007 0.1

C8022 0.1

53

52

51

50

49

48

47

46

45

44

43

42

41

40

NC

39

38

37

36

NC

35

A11

34

A9

33

A8

32

A7

31

A6

30

A5

29

A4

28

C8008

0.1

: CD-DA SIGNAL LINE

254

255

256

MDQ29

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

MDQ17

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

P0P1P2

65 66 67 68 69 70 71 72 73

SDA

EXADR20

: DVD AUDIO SIGNAL LINE

RX8017
(82x4)

C8017 0.1

253

DQM2

DQM3

VDD33

MDQ16

MDQ30

MDQ31

VSS

VDD33P3P4P5P6P7P8P9P10

0.1

C8023

SCL

MA3

MA4

248249250251252

247

246

245

VSS

MA3

MA4

74

75

76

OP_CPU_STAT

OP_CPU_CMD

OP_CPU_CLK

MA2

MA5

244

MA2

MA5

77

STBDAC

SBO3

MA1

24379242

MA1

P11

78

SBT3

MA6

MA6

P12

241

80

MA0

MA7

(82x4)

RX8016

24082239

MA0

P13

81

P13

HFMON

MA7

P14

R8003

VDD33

VSS

47K

: DVD VIDEO SIGNAL LINE

BA1

BA0

MA8

MA10

RX8020

C8016 0.1

C8004 0.1

237

236

2348823389232

238

235

BA1

83

VSS

VDD12

84

MA8

MA10

NRSTFGDRV5

85

PNRST

VDD12

DRV4

86

87

RAM_CD

SPMUTE

VSS

DRV3

TRVFTMUTE

MA9

MA11

NRAS

NCSM

(22x2)

R8013 22

231912309222993228942279522696225

BA0

MA9

MA11

NRAS

NCSM

MN2DS0009VP

DRV2

DRV1

DRV0

VSS

VDD33

90

0.1

C8024

DRV1

DRV0

TRV-I-SW

NCAS

RX8018
(22x2)

NCAS

IC8001

DV3.2 IC

MONI7

C8012 0.1

2249822399222

VSS

MCKI

MONI6

MONI5

97

C8505 0.1

CLK

R8011 22

VDD33

MONI4

RX8019

MCK

MONI3

NWE

(22x2)

R8012 22

221

VSS

MONI2

100

DQM1

220

NWE

MONI1

101

DQM0

219

DQM1

MONI0

102

C8003 0.1

218

DQM0

AVDDD

103

C8502 0.1

MDQ7

217

VDD12

PLFIL1

104

C8527 0.033

MDQ8

216

MDQ7

AVSSD

105

C8523 0.1

215

214

VSS

MDQ8

VREFH7

VREFL7

106

107

C8524 0.1

C8013 0.1

VDD33

CCAPA

C8525 5600P

MDQ6

213

108

MDQ9

212

MDQ6

AVSSC

109

C8526 0.018

MDQ5

211

MDQ9

CDATA

110

MDQ5

AVDDC

C8503 0.1

MDQ10

210

111

MDQ4

MDQ11

(82x4)

RX8013

209

208

MDQ4

MDQ11

MDQ10

ANAMONI1

ANAMONI2

RFINN

112

113

RFINN

MDQ3

207

114

RFINP

MDQ12

206

MDQ3

RFINP

115

C8513 0.1

VIN1

205

VSS

MDQ12

VIN1RF

VIN2RF

116

C8514 0.1

VIN2

C8014 0.1

204

117

C8516 0.1

VIN4

MDQ2

203

MDQ2

VDD33

VIN4RF

VIN3RF

118

C8515 0.1

VIN3

MDQ13

202

MDQ13

AVDDB

119

C8504 0.1

MDQ1

201

120

C8521 0.1

MDQ14

200

199

MDQ1

MDQ14

VREFH5

VREFL5

121

122

C8522 0.1

MDQ0

(82x4)

RX8011

198

MDQ0

AVSSB

MDQ15

MDQ15

LPC1

123

LPC1

197

124

LPC01

C8015 0.1

196

VDD33

LPC01

125

LPC2

195

VSS

LPC2

126

TRCST

TRCDATA3

194

TRCST

LPC02

127

LPC02

TRCDATA2

193

TRC

TRCDATA1

TRCDATA3

TRCDATA0

TRCCLK
EXTRG0

SDATA
SCLOCK
EXTRG1

VDD33

VDIO0
VDIO1
VDIO2
VDIO3
VDIO4
VDIO5
VDIO6
VDIO7

VDD33

IECOUT
ADOUT0
ADOUT1
ADOUT2
ADOUT3

SRCK
LRCK

DACCK

VDD12

OSCO

AVSSG
AVDDG
AVSSE

AVDDE
DAC5OUT
DAC4OUT

AVSSF

COMP2

IREF1
VREF

COMP1

AVDDF
DAC1OUT
DAC2OUT
DAC3OUT

AVDDH

PWM0
PWM1

AVSSH

VIN10

VREFH

VHALF

128

C8528 1
C8529 1

VHALF

VREFH

DATA2

VSS

VSS

VSS

OSCI

AD4
AD2
AD1

AD0
VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
VIN6
VIN5
VIN9

TO DVD MODULE (DV3.2)

192
191
190
189
188
187
186
185
184
183
182
181
180
179
178
177
176
175
174
173
172
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129

TRCCLK

TRCDATA1

TRCDATA0

R8041

33

1/4 2/4 3/4 4/4

SA-VK750GCP

DVD MODULE (DV3.2) CIR

SECTION (4/4)

A6
A7

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

9

SA-VK750GCP

SCHEMATIC DIAGRAM - 5

DVD MODULE (DV3.2) CIRCUIT

TO DVD MODULE (DV3.2)
SECTION (3/4)

LB8011

A6
A7

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

C8313 1

A34

R8313 9.1K R8314 0

A35
A36

C8312 1

A37
A38
A39
A40
A41
A42
A43
A44

A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
A57
A58

A59

VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
VIN6
VIN5
VIN5
VIN6

C8001

4V330P

R8401 100

C8005 0.1

C8305 0.1

C8202 0.1

C8011

6.3V100P

C8025 0.1

C8026 0.1

C8306 0.1

C8303

0.1

C8203 0.1

D8211

MA2J11000L

J0JHC0000045

J0JHC0000045

C8302

6.3V33P

C8304

0.1

C8301 6.3V220P

C8311 0.1

R8312 1K

C8541
4700P

C8211
1200P

LB8001

RX8402
(100 x 2)

RX8401

(100 x 2)

R8311

2.4K

C8225
1000P

RX8031

(4.7K x 2)

RX8403

(100 x 2)

LB8401 J0JBC000042

R8622 1K

R8621

1M

L8302

G1C100K00019

L8301

G1C100K00019

R8225

8.2K

C8226
1000P

R8541

15K

R8211

10K

L8201

G1C100K00019

L8501

G1C100K00019

X8621

H0J270500085

C8622

C8621

C8221
1000P

: CD-DA SIGNAL LINE

: +B SIGNAL LINE

C8401

15P

12P

12P

R8221

8.2K

C8222

820P

R8421

0

: DVD VIDEO SIGNAL LINE

: DVD AUDIO SIGNAL LINE

D+3.3V
VDD12

EXTRG0

SDATA

SCLOCK

AUDIODIGITAL

AOUT0
AOUT1
AOUT2

DMIXOUT

SRCK

LRCK

ADAC-CLK

D+3.3V

C_A
Y_A

Y/PY/G_A

CB/PB/B_A

CR/PR/R_A

TRDRV

FODRV

AD0

AD1

D+3.3V

C8201

6.3V100P

41 42 43 44 45 46 47 48 49 50 51 5240

C8501

6.3V100P

10

1/4 2/4 3/4 4/4

SA-VK750GCP DVD MODULE (DV3.2) CIRCUIT

4.3. (B) Main Circuit

)

Note: With reference to page 96~99 (section 19.3) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.

SA-VK750GCP

H

G

F

E

D

C

B

A

SCHEMATIC DIAGRAM - 6

MAIN CIRCUIT

YOUT

C2000

50V330P

TUNERGND

TUNER+9V

TUNER RCH

TUNER DO/ST

TUNER LCH

TUNER CLK

PORT_SEL

CNP2100

GND

1

2

3

7

4

5

6

TUNER SD

TUNER DI

PR

Y_(GRN)

COMPONENT/
VIDEO OUT

PB

VIDEO

OUT

S-VIDEO

OUT

JK2000

TO
TUNER
PACK

(J3CCBC000012)

TUNER PACK CHASSIS

AV-16K-22

JK2001

CHASSIS GND

V_GND

CROUT1

CYOUT1

W3068

V_GND

COUT

364

5

12

MDC1-08-020

10

9
8

NC

7
6
5
4
3
2
1

0

C2006

50V220P

CBOUT1

VOUT1

C2003

50V100P

J0JBC0000015

J0JBC0000015

C2002

50V100P

10V680u

L2000

L2002

C2005

50V100P

C2105

C2007

50V100P

W3023

0

J0JBC0000015

: MAIN SIGNAL LINE

: +B SIGNAL LINE

L2004

J0JBC0000015

C2004

50V100P

C2008

L2005

50V100P

J0JBC0000015

R2001

L2001

L2003

J0JBC0000015

DZ2100

B0BC9R000008

C2103

16V0.039

C2104

16V0.039

50V0.01

R2000

75

R2002

75

C2102

YOUT

COUT

R2100

15K

R2101

15K

R2102

75

R2004

75

4.7K

C9ZB00000461

R2005

75

CROUT

R2003

75

CBOUT

C2011

6.3V1000

C2012

6.3V1000

VOUT

C2014
50V0.1

COUT

R2104

82/1W

C2106

50V3300P

: FM/AM SIGNAL LINE 

: -B SIGNAL LINE

IC2000

IC VIDEO BUFFER

17

C2009

6.3V330u

6.3V330u

CYOUT

6.3V1000

V_GND

C2010

C2013

W3021

0

R2103

4.7K

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

C2107

50V3300P

C2015

10V220u

IC2000

CRSAG

CROUT

GND2

CBSAG

CBOUT

GND2

CYSAG

CYOUT

GND2

YSAG

YOUT

GND2

VSAG

VOUT

TUN_R
TU_ST-D0
TUN_L
TU_SD

PLL_DAT
PLL_CLK

: DVD VIDEO SIGNAL LINE

:AUX SIGNAL LINE

Q2003

B1GBCFJN0033

SWITCH

C2016

50V0.01

1K

VCC2

CRIN

MUTE2

CBIN

GND

CYIN

SEL

BIAS

YIN

SEL

CVIN

MUTE1

CIN

S2

S1SDCOUT

VCC1COUT

R2007

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

L2006

G0C220JA0055

C2017
10V22

FM:70mA,AM:45mA

Q2003

C2019

16V1

C2018

16V1

C2020
50V0.1

C2022

50V0.1

C2021

50V0.01

DVD_A+5V

V_GND

W3069

0

WIDE_1

V_GND

TUN_R
TUN_L

TU_ST-D0

TU_SD

PLL_DAT
PLL_CLK

AUDIO_GND

:RECORD SIGNAL LINE

:PLAYBACK SIGNAL LINE

CN2036

VGND

V_GND

W3062

0

RIN
LIN

-7V
+7V

MPORT_RCH
MPORT_LCH
PB_R
PB_L

AUDIO_GND

-7V
AUDIO_GND
DVD_MUTE

50

C8035

W3004

0

SECTION (3/4)

+15V

CR

CB

PY

Y
C

PY/Y/G

C2023

W3044

0.012
R2203

3.3K

R2204

3.3K

VGND

VGND

CB/PB/B

47 44 3940 35 31 27 24 21 2022 16 1518 17 1113 12 1014192326 2530 282934 323338 363743 414246 4549 48

C2024

50V100P



0

W3045

MIX_L

25V4.7u

TO MAIN

CR/PR/R

50V100P



0

MIXR

50V470P

50V470P

R2205

4.7K

C2200

VGND

C2025

DVD-FL

C2203

50V100P

R2207

100K

C2202

R2206

4.7K

C2201

Y

VGND

C2026

50V100P

C2204

50V100P

R2208

C8036 0.012

Q2201

R2202

1M

ADAC5V

ADAC5V

C

MIXL

16V1

C2027

22K

50V100P

22K

R2010

R2009

DVD-CNT

DVD-FR

100K

Q2202

R2201

330K

B1GDCFGA0023

MUTING CONTROL (DVD)

Q2201,Q2202

B1ABEB000002

ADACGND

ADACGND

FL

MIXR

16V1

16V1

C2029

16V1

C2030

0

C2028

18K

R2013

18K

R2011 W3036

3.9K

R2012

DVD-SR

DVD-SL

C2205

50V470p

R2209

5.6K

6.8K

R2210
C2206

50V100P

W3019 0
W3020 0

R2241
R2242
R2243

Q2200

Q2200

MUTING SWITCH

TO
DVD MODULE (DV3.2) CIRCUIT
(FP8101) IN SCHEMATIC DIAGRAM-3

ADACGND

ADACGND

C2031

R2014

SLFRSR

15K

R2016

R2015

3.9K

16V10

15K

ADACGND

CENTER

16V10

C2032

15K

R2017

ADACGND

SUBW

C2033

16V10

1K

R2018

C2034 16V1

VREF

ZFLAG

DGND

AUDIODIGITAL

Q2000

DVD-SUBW

Q2000

B1GBCFJN0033

MUTE SWITCH

C2208

C2207

50V470P

50V2200P

R2211

5.6K

R2200

2.2K

R2212

56K

W3010

79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 56 55 54 53 52 51

80

AUDIO_GND

81

SRIN

AGND

SUBIN

82
83

FRIN

84

FLIN

85

AVEE

86

AVCC
[MIX RCH]

87

[MIX LCH]

88
89

MPORT RCH

90

MPORT LCH

91

PB_R

92

PB_L

93

TUNER_R

94

TUNER_L

47K

95

47K

96

47K

97

MICIN

98

AGND

99

100

E_OUT_R

TTL

AGND

CLPF

1 2 3 4 5 6 7 8 9 10111213141516171819 2021 222324252627282930

50V0.012

C2209

E_OUT_L

C2214

50V3000P

R8042

2.7K

16V10

C2212

R2214

12K

0

C2215

EXTOUTL

EXTOUTR

ANALOG SURROUND

[81] SLIN
[82] CIN

[99]RECOUTR
[100]RECOUTL

TONE

TML2

TML1

16V0.082

16V0.082

10V0.18

C2211

C2213

C2210

4.7K

R2213

50V3000P

10V0.15

RF

RIN

TBL1

TBL2

50V0.015

C2216

R2215

C2217

10V0.15

C2218

50V0.012

C2219

4.7K

DGND

R2019

R8043

C2222

C2221

12K

R2216

LF

TTR

16V0.082

C2220

DGND

D+5V

1.8K

AUDIO_GND

10K

16V10

16V10

LIN

RCIN

TMR2

TMR1

16V0.082

C2223

4.7K

R2217

A+5V

A+5V

AGND

D+5V

DGND

C2035

10V220

L2010

DVD_D+5V

G0C220JA0055

DVD_A+5V

DVD_MUTE

DVD_D+5V

SW+5V

ASP_DA

R8044

10K

C2226

10K

R8041

50V0.022

16V0.082

50V0.022

16V10

C2230

C2224

C2228

SF

LSIN

LCIN

RSIN

DVDD

IC2200

C1BB00001098

IC ASP

FLVOLIN

FLSELOUT

TBR1

TBR2

FLVOLOUT

10V0.18

10V0.15

16V1

50V0.047

C2231

C2227

C2229

C2225

4.7K

16V1

R2218

C2500

FLFIN

FLVOLOUT

FLVOLIN

FLSELOUT

A_GND

2.7V

2.7V

M+9V

DGND

DGND

6759

81342 6759

P_GND

DVD_2R7

+7V

C2232

50V220P

ASP_CK

C2233

DATA

FLFIN

50V220P

CLOCK

FLOUT

C8034
10V22

33K

R2220

DGND

FROUT

50V0.033

C2234

8.2K

R2219

C2320

FRVOLOUT

FRFIN

FRFIN

FRVOLOUT

50V0.056

FRVOLIN

C2235

C2501

FRVOLIN

C2254

16V100

C2256

16V100

FRSELOUT

16V1

FRSELOUT

MGND

M+9V

MGND

DSPCLK

C2037

16V47

DVD_CLK

M+9V

M_GND

C2257
50V0.1

C2258
50V0.1

R2222

47K

57

[50] AGC1
[49] SUBC
[48] SUBOUT

[32] SLVOLOUT
[31] SLFIN

CNFIN

CSELOUT

CVOLIN

16V10

C2236

16V1

8.2K

R2221

CMD

DVD_CMD

R2225

82K

CVOLOUT

47K

R2224

8.2K

R2223

FR_OUT

FL_OUT

STATUS

D2000

B0EAKM000117

DVD_STA

AUDIO_GND

W3022



0

W3008

0

C2239

W3025

SUBSELOUT

OPIN1

OPOUT1

OPIN2

OPOUT2

AGND
AGND

SROUT

SRFIN

SRVOLOUT

SRNFIN

SRVOLIN
SRSELOUT
SLSELOUT

SLVOLIN

SLNFIN

CFIN

AGND

COUT

12K

16V0.068

C2238

R2226

CN2038

CW

CCW

W3034 0W3033 0

CW

CCW

-7V

16V10



0

50

AGC2

49
48

SUBVOLIN

47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31

SLOUT

1/4 2/4

3/4 4/4

TO CRSID (CN1)

PGND

1113 12 1014

M_GND

R2227

C2241

C2237

50V0.033

HOME_SW

81342

W3032 0

ST_SW

OPEN_SW

CAM_SENSOR

HOME_SW

39K

C2240

10V0.47

R2231

820K

C2244

3.3K

0.47

R2280

R2281

47K

R2229

15K

C2298

0.039

C2247
C2252
C2248
C2253

R2232

C2245

50V0.033

0.039

SL_OUT

SW+5V

SYS6V_GND

C2246

16V0.033

R2228

15K

PLAY_SW

D2001

W3029 0

PLAY_SW

C2242

R2230

C2297

C2243

W3024

0

16V1
16V1
16V1
16V1

47K

8.2K

R2235

BOTTOM_SW

PLUNGER

UD_SENSOR

PLUNGER_0

B0EAKM000117

W3030

0

BOTTOM_SW

UD_SENSOR

25V22

10K
10V 1uF
16V10

R2233

56K

R2234

68K

R2237

68K

C2249

50V6800P

47K

R2238

8.2K

R2239

AUDIO_GND

W3083

0

C2250

50V0.012

R2236

2.7K

C2251
50V0.1

Q2001

W3003 0

SW5V

ST_SW

GND

OPEN_SW

CAM_SENSOR

CD_8V

SA-VK750GCP MAIN CIRCUIT

PLUNGERPLUNGER

R2020

2.2K

R2021

2.2K

SRSELOUT

M+12V

SUBW

SR_OUT

SL_OUT
CENTER
FR_OUT

FL_OUT

SRVOLIN

SLSELOUT

SLVOLIN

Q2002

B1BCCD000019

PLUNGER SUPPLY SWITCH

Q2001

B1GBCFJJ0051

PLUNGER ON/OFF SWITCH

TO MAIN

SECTION (2/4

B1

B2
B3
B4
B5
B6

1 2345678910111213

11

A

B

C

D

E

F

G

H

SA-VK750GCP

SCHEMATIC DIAGRAM - 7

B6

B5

B1

B3

B2

B4

TO MAIN
SECTION (1/4)

FL_OUT

FR_OUT

SUBW

SL_OUT

SR_OUT

CENTER

MAIN CIRCUIT

R2411

C2411

100K

50V0.1

C2413

50V0.01

R2410

100

Q8031

B1ABEB000002

MUTING SWITCH

B0ACCK000005

R8031

10K

Q2370

B1ABEB000002

MUTING (CENTRE) SWITCH

50V3.3

R2374 1K

50V3.3

R2375 1K

16V10

R2370 1K

50V3.3

R2371 3.3K

50V3.3

R2372 3.3K

R2373 3.3K

16V10

R8038

4.7K

D8030

0.022C7403

0.022C7402

R8030

10K

C2410

50V0.1

C2370

C2371

C2372

C2373

C2374

C2375

C2412

50V0.1

IC2401

C1BB0000086

IC SPE ANA

BIASC

1

2

VREFC

RREFC

3

4

NC

5

DIFOUT

6

NC

CIN

7

8

AIN

VCC

9

R8037

C8031

27K

50V4.7

R8032

1K

C8030
50V10

C2376

50V4.7

W3081

0

R2382

1K

33K

33K

R2376

R2377

AUDIO_GND

: +B SIGNAL LINE

18

17

16

15

14

13

12

11

10

C2415
25V22

B1GDCFGA0018

MUTING CONTROL

R8036

56K

R8033

1.8K

Q8030

R2383

B1GDCFGA0018

27K

MUTING CONTROL SWITCH

R2384

56K

W3082

W3090

0

33K

100K

R2378

R2379

C2414

50V0.01

C2416

50V0.01

QR8031

Q2371

0

8.2K

R2380

: -B SIGNAL LINE

SPC_C

SPC_B

SPC_A

DVREFDVREF

SPE_AD1

SYS6V_GND

MUTE_F

R8035

1.8K

SWFR

Q8030

B1ABCF000176

MUTING SWITCH

AUDIO_GND

R2385

1.8K

W3074

0

AUDIO_GND

W3091

0

SWFR

SUR_L

SUR_R

CENT

8.2K

R2381

AUDIO_GND

VREF

KEY1
KEY2
KEY3

SYS6V_GND

VREF
VDD

W3013

DVREF

-7V

OPEN_SW

ST_SW

CCW

CW
HOME_SW
CAM_SENSOR

-7V

SYS6V_GND

F_HOP

RESET

FL

B1GBCFLL0037

RESET(MICROP) SWITCH

FR

R2696

10K

0

C2600
50V2.2

R2603 100K

Q2600

: MAIN SIGNAL LINE

SYS6V_GND

R2604 10K

R2600

10K

R2601

100K

R2695

R2699

10K

10K

R2611 47K
R2610 47K
R2612 47K
R2607 47K

R2616

R2609

4.7K

4.7K

C2616

50V0.01

C8032

100P

C8033

100P

R2606

10K

R2553

100K

R2614 100
R2615 100
R2613 100
R2725 100

R2617 10K

Q2600

SYS6V_GND

LED1

R2693 100

R2554 10K

C2602 50V470P
C2603 50V470P
C2604 50V470P

R2730

3.3K

W3035



0

SYS6V_GND

D2600

B0ACCK000005

:AUX SIGNAL LINE

LED2

PHOTO_1

PHOTO_2

W3017 0

R2618

47K

R2694 100

R2619 1K

R2620 1K

C2609 50V0.01

C2601 50V470P

C2605 50V470P

C2607 50V470P

R2625 10K
R2621 100
W3031 0

C2611

50V100

C2610 50V100

C2612 50V100

C2613 50V100

C2614 50V100

C2608 50V100

C2606 50V470P

C2620

C2624

50V0.1

10V0.12

DECK2_AD

R2622 100

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

100

R2624

100

R2623 100
R2627 100
R2628 0
R2630 0

WIDE_SURR

PLUNGER_1

PLUNGER_2

R2724 100

R2723 100

80 78 767779

PLUNGER_1

PLUNGER_2

LED1
REG1
REG2
REG3
PHOTO_1
PHOTO_2
DECK2_AD
KEY1
KEY2
KEY3
SPE_AD
AVSS
DVD_CS
VREF
AVCC

1

R2634 1K

R2632 100

W3041

0

JOG_A

DECK1_H

R2626 1K

R2629 100

NC

JOG_A

DECK1_H

[81] MODEL_CS
[82] NC
[83] PAN_CS
[84] LED2

[1] ST_SW
[100] OPEN_SW

CCW

CW

CAM_SENSOR

HOME

3425

JOG_B

R2631 100

JOG_B

F_HOP

MOTOR

W3014 0 R2633 100

768

REC

MODE1

HALF_1

W3016 0

R2635 100

R2636 100

R2638 1K

MTR

MODE1

HALF_1

WIDE_SURR

CNVSS/EFP_CNVSS

BYTE

9

10

X2602 H0A327200115

R2639

10M

C2615 50V15

SYS6V_GND

CNVSS

SPC_B

SPC_C

PCONT

R2640 1K

REC

PCONT

XCOUT

XCIN

11 1312

C2617 50V18

TO MAIN
SECTION (4/4)

SPC_A

DC_DET

DVD_PCONT

50V1000P

50V1000P

50V100

50V0.01

R2642 1K

R2643 1K

R2646 1K

R2647 1K

R2648 1K

69 67 65 64666870 51

SP_B

SP_A

SP_C

DC_DET

DVD_PCONT

IC2600

C2CBYY000269

IC MICRO CONTROLLER

XOUT

XIN

VCC

VSS

RESET/EFP_RESET

1614 15 17

R2641 330K

R2644 680

X2601 H2A1005A0005

C2618 50V39

C2619 50V39

VDD

C2625

C2622

C2623

C2621

VSS

NMI

R2722 100

W3015

RMT

NC

RMT



VCC

SYNC

R2650 1K

0

MUTE_F

MODE_DA

R2651 1K

R2653 1K

MUTE_F

MUTE_A

PLAY_SW

PLUNGER

R2652 100

R2654 100

PLUNGER

PLAY_SW

MUTE_S

HP_MUTE

R2655 1K

R2657 1K

R2659 1K

58

MUTE_S

MUTE_C

MUTE_HP

[51] NC
[52] KA_CS
[53] KA_DAT

[34] EFP_BUSY
[33] EFP_SCLK
[32] EFP_RXD1
[31] EFP_TXD1

AMP_BP

BOTTOM_SW

UD_SENSOR

22 2320 21 26 282724 2518 19

R2656 100

R2658 100

R2664 22K

R2662

47K

R2660

47K

R2661

47K

BOTTOM_SW

UD_SENSOR

MUTE_L

R5330 1K

555762 60 596163

56 54295275 73 717274

MUTE_L

MUTE_W

VCC_CONTROL

PLL_CE

G0C3R3JA0027

C2626 50V0.1

KA_CLK

KA_DAT

R2663 100

53

DVD_MUTE

KA_CLK

DVD_CMD

TU_SD

L2600

C2627 6.3V100

DVREF

KA_CS

R2665 100

R2666 100

ASP_CLK
ASP_DAT

WIDE

EFP_CE

FL_CLK
FL_DAT
FLD_CS

FLD_RST
EFP_EPM

EEP_CS
EEP_CLK
EEP_DAT
DVD_CLK
DVD_STA

TU_ST/D0

PLL_DAT

R2667 47K

C2628 50V100

C2629 50V100

50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31

PLL_CLK

30

R2672

680

IC2660

EEPROM

(NOT SUPPLIED)

VDD

C2631 50V100

C2632

16V1000

SYS6V_GND

R2681 1K
R2676 220
R2682 220
R2677 1K
R2683 1K
R2679 1K
R2674 1K
R2680 1K
R2675 1K

R2728 220
R2727 220
R2726 220
R2684 1K
R2685 1K
R2686 1K

R2668 220
R2669 220
R2670 100
R2671 100

D2603

B0ACCE000003

R2925 22K

SYS6V_GND

SYS6V

C2650 50V330

R2697 22K

C2652

50V330

C2638

C2637

50V100

DVREF

R2688

15K

R2690 1K
R2687 1K

D2602

B0ACCE000003

C2639

50V100

SK

DI

R2924

2.2K

50V100

R2689

15K

CS

IC2660

DO

675

C2640

50V100

R2691

10K



C2641

24381

VCC

GND

C2642

50V100

R2692

10K

D2900

B0ACCK000005

R2927

10K

50V100

C2910

50V1

NC NC

C2643

R2900

220K

50V100

50V0.022

C2653

W3006 0

VCC_CONTROL

STANDBY_LED

Q2913

R2928

1K

Q2915

W3018

0

1/4 2/4

3/4 4/4

SYS6V_GND

DVD_MUTE

ASP_CK
ASP_DA

WIDE_1

DVREF

DVD_CLK
DVD_STA

DVD_CMD

BUSY

CLK
RXD
TXD

PLL_CLK
PLL_DAT

TU_ST-D0

TU_SD
SYS6V

AMP_BP

RESET

VDD

SYNC

SYS6V_GND

VREF

SYS6V_GND

DVREF
HALF_1

MODE1
PLUNGER_2
PLUNGER_1
M+12V
M_GND
DC_DET

-7V

+7V
JOG_B

JOG_A

DECK2_AD
KEY3
KEY2
KEY1

PHOTO_2
PHOTO_1

RMT

VREF
SYS6V_GND

SW+5V

LED2
LED1
STANDBY_LED

SWFR

GND_1

SUR_R

GND_1

SUR_L

W3095

CENT



FL

0

GND_1
FR
SIGNAL

W3000

DC_DET
F_HOP

0

D_AMP+5V

MODE_DA

MUTE_S

MUTE_F

PCONT

AUDIO_GND

Q2913

B1ADCF000001

LED DRIVE

Q2915

B1ABCF000176

SWITCH
TXD
RXD
CLK
SYS6V_GND

BUSY

W3037

VDD

CNVSS

0

RESET

W3038

0

B7

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

1

2

3

4

5

6

7

8

9
10



11
12

1

2

3

4

5

6

7

FOR FLASHING MICRO-P

1

2

3

4

5



6

7

8

DVREF
HALF_1
MODE1
PLUNGER_2

PLUNGER_1

M+9V

M_GND
DC_DET

-7V
NC

+7V
JOG_B
JOG_A
FLD_RST
FLD_CS
FLD_DATA
FLD_CLK
DECK2_AD
KEY3
KEY2
KEY1
PHOTO_2

PHOTO_1

RMT
VREF
SYS6V_GND
SW+5V
LED2

LED1

STANDBY_LED

CN2602

S_WOOFER
GND
SURR_R
GND
SURR_L
CENTER
FRONT L
GND

FRONT R
SIGNAL (TO FAN)
DC_DET
F_HOP

CNP2370

D_AMP+5V
MODE_DA
MUTE_S
MUTE_F
P_CONT

AUDIO_GND
AUDIO_GND

CNP2810

TXD
RXD
CLK
SYS6V_GND

BUSY
VDD
CNVSS
RESET

CN2600

SA-VK750GCP MAIN CIRCUIT

TO
PANEL
CIRCUIT
(CN6703) IN
SCHEMATIC
DIAGRAM-10

TO
DAMP
CIRCUIT
(CN5603) IN
SCHEMATIC
DIAGRAM-12

TO
DAMP
CIRCUIT
(CN2810) IN
SCHEMATIC
DIAGRAM-12

SOFTWARE
DOWNLOAD

15 16 17 18 19 20 21 22 23 24 25 2614

12

T

A

M

SA-VK750GCP

H

G

F

E

D

C

B

A

SCHEMATIC DIAGRAM - 8

MAIN CIRCUIT

B1GDCFJJ0047

SUPPLY CONTROL SWITCH (DECK MOTOR)

MOT_01

1

DECK1_HI

2

MOT_GND

TO
DECK
CIRCUIT
(CN1001) IN
SCHEMATIC
DIAGRAM-17

CNP2101

B1ABCF000176

JK2301

SUBWOOFER OUT

W3027

W3028

REC OUT

JK2300

MOT+9V

REC_HI

+15V

RECIN_R

RECIN_L

AUDIO_GND

PB_R
PB_L

Q2908

1

2

0

0

4

3

2

1

3
4
5
6
7
8

9
10
11

W3011

0

C2317

50V0.01

R5321

R5322

100K

LCH_LINE

Q2110

L2110

ERJ3GEY0R00V

L2112

ERJ3GEY0R00V

R5320

1K

1K

C8010

100P

L2311

J0JBC0000019

RCH_LINE

L2312

J0JBC0000019

L2310

J0JBC0000019

Q2300,Q2301

B1ABEB000002

MUTING SWITCH

: MAIN SIGNAL LINE

: +B SIGNAL LINE : -B SIGNAL LINE

Q2111

B1GDCFJJ0047

REC: ON/OFF CONTROL SWITCH

R2110

100

R2114

W3027

0

Q2908

C8011

1

R5323

1K

R2301

R2300

R2302

47K

2.2

47K

R2111

100

R5326

R2112

1K

C8012

100P

33K

R2303

100

W3089

R2304

100

C2302
16V47

B1GDCFGA0018

MUTING CONTROL SWITCH

0

470

R2113

33K

W3028

0

C8013

1

W3072

Q2302

C2303
16V47

C2300

C2301

0

R2116

470

R5324

100K

Rch

Q2300

50V1000P

Q2301

50V1000P

W3026

: MIC SIGNAL LINE

ERJ3GEY0R00V

15K

R2115
R2117

15K

C2110

0.1u

AUDIO_GND

C2111

0.1u

R5325

100K

W3012

0

R2306

1K

1K

R2305

0

0

W3060

C2304
50V4.7

AUDIO_GND

L2111

PB_R

PB_L

R2310

2.7K

R2307

100K

R2308

100K

R2309

2.7K

:RECORD SIGNAL LINE

:PLAYBACK SIGNAL LINE

C2112

0

C2113

0

R2330
R2331
R2333

R2332

R2401
R2400

C2310

100K

C2305

R2313

C2306

100K

R2314

C2307
16V47

R2312

1K

W3088

R2311

27K

0

50V0.1

50V0.1

5.6K

1.5K

1.5K

5.6K

330K
330K

16V47

IC2300

C2308

C2309

25V22

25V22

C2311

B0ACCK000005

8

1

50V10

C2400

50V1000P

R2316

33K

50V10

C2312

675

+VCC

243

R2315

33K

D2300

IC2300

C0ABBB000230

IC OP-AMP

-VCC

R2318

R2317

3.3K

3.3K

W3042

C2314

0

R2319

C2313

50V33

50V33

47K

R2320

TO MAIN

SECTION (1/4)

SW+5V

REC

MOTOR

DECK1_H

M_GND

M+12V

+15V

PB_R

AUDIO_GND

PB_L

+7V

RIN

LIN

SWFR

SPE_AD1

SYS6V_GND

-7V

R2321

6.8K

AUDIO_GND

R2322

47K

6.8K

MUTE_L

-7V

+7V

FRVOLOUT

FLVOLOUT

KA_DAT
KA_CLK
KA_CS

C2260
50V0.1

E_OUT_R
E_OUT_L

AUDIO_GND

AUDIO_GND

C2263

C2264

50V1

R2260

3.3K

R2261

6.8K

C2262
C2271
C2265

C2266

C2268

16V100

50V1

C2341
50V1u

C2340
50V1u

C2269

50V4700

C2270

16V0.068

C2267

C2261

16V1

R2262

50V1000P

50V0.1
50V0.1

16V0.068u

50V1000P

50V4700

C2273
50V10

R2263

6.8K

C2274

3.3K

R2341

2.2K

R2340

2.2K

40

41

DOLPF1

42

DDACINTOUT

43

DDACINTIN

44

DDACCONT

45

DADCCONT

46

DADCINTOUT

47

DADCINTIN

48

DILPF3

49

DILPF2

50

DILPF1

51

DIN

52

DISIG

53

NC

54

AUDIO_GND2

55

AVCC2
NC

56
57

NC

58

NC

59

NC
NC

60

NC

61
62

KA_ROUT

63

KA_ROUT

64

KA_LOUT

65

C2275

39

IC2340

C0AABB000125

IC OP-AMP

Q2340,Q2341

B1ABEB000002

MUTING SWITCH

Q2340

R2342

100K

Q2341

R2343

100K

KA_CS

KA_CLK

34 32

37

35

38 36

0

0

0

NC

KA_CS

DOLPF2

[40]
[39]

DOLPF3

IC2210

C1BB00001012

KOK IC

[67] NC
[66] NC
[65] KA_LOUT

NCNCNC

NC

67 69 71 75 7673 74 807877 7972706866

NC

50V10

KA_DAT

KA_CLK

KA_DAT

NC

C2344
50V1u

W3048

W3054

30 28 26 252729312333

VDD

DGND

KA_LIN

KA_RIN

C2343

W3051

R2345

0

R2344

0

C2342

50V 1u

10K

R2267

NC

MCK

AUDIO_GND

KDACINTOUT

KDACCONT2
KDACCONT1

KDACINTOUT

[80] NC

MIC_IN

VCFIL

R2268

10V0.15

C2276

C2277

B1GDCFGA0018

MUTING CONTROL SWITCH

27K

56K

R2347

R2348

50V4.7

R2349

3.3K

C2356

0

5600

IC2340

4.7K

W3055

4.7K

KDACINTIN

KDACCONT

KADCINTIN

10K

16V1

C2278
50V0.1

KOLPF1
KOLPF2

LGAIN

000

AVCC2

REF

KILPF2
KILPF1
KCISIG
KHPF1
KHPF2

KCOUT

KSIGIN

MGAIN

10K

R2269

R2346

3.3K

C2355

5600

R2270

NC
NC
NC

NC
NC

R2266

16V1

C2279

MIC

0

10

24

22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

4.7K

Q2342

C2347

50V100P

-VCC

675

C2345

50V47P

50V100P

C2288

16V100

C2289 16V47

C2281 16V0.068
C2282 16V0.068
C2283 16V0.068
C2284 16V0.068

C2285 50V0.047

C2286 50V2.2
R2273 12K

C2287 50V560

C2280 50V2.2

C2272

50V 1u

C2346

R2350

30K

W3076

0

R2352

39K

C2348
50V47P

24381

C2292

50V100P

R2351

1.8K

R2353

12K

R2355

5.6K

-7V

+VCC

+7V

R2356

R2354

5.6K

12K

R2282

B0BC5R000009

C2293 50V820

R2274 10K

C2290 50V1000P

C2291 50V2700P
R2272 3.9K
R2271 15K

C2349

50V0.1

C2350

50V0.1

68

DZ2200

HP_Rch

C2354

16V0.033

W3056

0

C2351

16V0.033

HP_Lch

R2275 4.7K

C2296 1000P

R2278 5.6K

C2294 50V4700

R2277 15K

R2279

68

W3053

0

W3046

0

C2352
10V220

W3052

0

AUDIO_GND

C2295 50V3300P

R2276 10K

W3047

C2353

10V220

0

HP_MUTE

AUDIO_GND

75mA

AUDIO_GND

TO MAIN

SECTION (4/4)

FRFIN

-7V

+7V

FLFIN

HP_L

AUDIO_GND

HP_MUTE
MIC

MPORT_LCH
AUDIO_GND
MPORT_RCH

1

HP_GND

2

HP_R

3

HP_MUTE

4

MIC

5

MIC_GND

6

MPORT_LCH

7

MPORT_GND

8
9

MPORT_R

10

CNP2601

1/4 2/4

3/4 4/4

+15V

SA-VK750GCP MAIN CIR

TO
PANEL
CIRCUI
(H6702)
SCHEM
DIAGRA

1 2345678910111213

13

A

B

C

D

E

F

G

H

SA-VK750GCP

SCHEMATIC DIAGRAM - 9

MAIN CIRCUIT

TO MAIN
SECTION (3/4)

FRVOLIN
FRSELOUT

SRSELOUT
SRVOLIN

E_OUT_R

+7V

-7V

AUDIO_GND

FLVOLIN
FLSELOUT
SLSELOUT

E_OUT_L
SLVOLIN

WIDE_SURR

SLVOLIN

SRVOLIN

W3075

W3080

0

W3077

C2521

50V0.01

AUDIO_GND

W3070

0

+7V

C2510

50V0.01

IC2500

C2502

50V0.01

-7V

0

C2512

50V0.01

C2503

50V0.01

0

-7V

C2520

50V0.01

FRVOLIN

R2514

4.7K

IC2501

W3059

+7V

W3067



0

R2526

C2508
50V10

0

W3061 0W3039 0

R2530

4.7K

22K

7

8

R2512

FLSELOUT
SLSELOUT

R2527

+7V

-7V

R2529

1K

IC2500

C0ABCB000052

QUAD OP-AMP IC

(RIGHT CHANNEL)

R2504

33K

R2515

C2504

27K

16V0.047

C2519

1200

564 123

-VCC +VCC

C2505

16V0.082

R2516

22K

R2537

4.7K

27K

16V0.47

C2513

50V1200

564 123

91113141210

R2513

27K

47K

0

SLVOLIN

SRVOLIN

7561243

Y0

VEE

C0JBAR000326

Z0

Y1

10 12 14 15 161311

22K

R2510

C2509

50V10

8

9

22K

CTRL

VSS

91113141210

R2531

22K

7

8

R2505

W3057

: +B SIGNAL LINE

R2524

R2532

22K

10K

R2533

22K

C2518

50V3900P

0

W3079

R2520

22K

R2500

12K

R2501

4.7K

R2536

R2535

33K

22K

W3058

C2507

0

+VCC-VCC

R2511

27K

R2507

47K

SLSELOUT

Y

X

IC2502

LOGIC IC

X1

Z1

Z

W

C2511

16V0.22

R2522

39K

R2509

22K

R2518

4.7K

R2523

39K

R2521

22K

R2506

50V3900P

X0

W0

22K

16V0.022

R2517

C2515

: -B SIGNAL LINE

W3071

0

F_S_R

S_F_R

R2551

1K

R2503

10K

C2514

S_F_L
F_S_L

12K

R2519

22K

W1

VDD

R2542

Q2502

AUDIO_GND

-7V

27KR2538

25V4.7

C2516

56K

W3064 0

: MAIN SIGNAL LINE

Q2502

B1ABEB000002

CONTROL SWITCH

R2534

4.7K

R2528

22K

Q2503

B1ABEB000002

CONTROL SWITCH

W3063

0

560

C2517

R2539

50V0.022

Q2500

B1ABEB000002

VOLUME CONTROL SWTICH

Q2504

B1ABEB000002

CONTROL SWITCH

Q2504

1K

W3040

0

R2552

AUDIO_GND

B1ABEB000002

CONTROL SWITCH

IC2501

C0ABCB000052

QUAD OP-AMP IC

(LEFT CHANNEL)

R2541

1.8K

Q2501

R2540

2.2K

R2525

4.7K

R2502

4.7K

Q2505

C2710

50V0.01

V_GND
M+9V

D_AMP+5V

P_GND

M+12V

SW+5V

Q2501

B1GDCFGA0018

SWITCH

M_GND
DC_DET

: MIC SIGNAL LINE

DC_DET

DVD_2R7

DVD_D+5V

DVD_PCONT

B1GBCFJN0033

700-800mA

Q2710

B1BACD000018

VOLTAGE REGULATOR

L2716

G0A200D00002

C2712

16V100

C2711

6.3V220

W3007

W3001

SW+5V

DW2811

B0ADCJ000020

Q2711

PCONT (DVD) SWITCH

3

DW2710

B0ADCJ000020

R2711

1.5 2W

C2713

50V0.01

R2710

33

0

500mA

0

15-30mA

1

2

3

2

1

R2713

1.5 2W

R2712

180

50V0.01

DZ2710

B0BC3R700004

2

DVD_A+5V

200mA

C2714 50V0.01

C2716

D2810

B0ACCK000005

1

B0ADCJ000020

3

TO MAIN
SECTION (2/4)

L2712

G0A200D00002

C2715 6.3V220

L2714

G0A200D00002

C2717

6.3V220u

DW2810

C2720

C2810

50V0.01

16V1

C2721

16V100

M+9V

W3009

0

C2811
16V47

W3065

16V47u

16V100

0

G0A200D00002

B1AAKD000014

C2812
16V47

50V100P

C2901

C2930

C2900

M_GND

M+12V

L2711

R2719

1.5K

R2717

2.7K

R2718

1K

C2722 50V0.01

Q2810

+9V REGULATOR

C2813

50V0.01

R2810

150

Q2900

B1ACKD000006

REGULATOR

4.7K

W3066

R2901

Q2902

G0A101ZA0028

R2907

L2710

C2723

6.3V820

0

5.6K
R8039

DVD_PCONT

4.7K

R2720

DZ2712

B0JCPD000025

D2904

R2811

1K

DZ2810

B0BC5R600003

D2811

B0ACCK000005

B1ABCF000176

10K

16V33

10K

R2905

C2902

R2909

330K

R2903

C2724

50V100P

D2901-D2904

B0EAKM000117

D2903

Q2902,Q2904

B1ABCF000176

REGULATOR

Q2906

VOLTAGE REGULATOR

DW2900

B0ADCJ000020

1

3

10K

B1ACCF000094

VOLTAGE REGULATOR

STBY

D2902

2

VREF

Q2700

R2700

1.8K

IC2720

C0DAAMH00012

IC DC-DC CONVERTER

GND

INV

42135

R2721

10K

50V1000

D2901

C2814

50V0.01

C2815

16V100

DZ2901

B0BC5R600003

R2915

56K

R2911

27

R2701

1.8K

VCC

C2726

50V0.01

IC2810

TERMINAL IC

OUT

3

R2917

2

C2904

16V100

OUT

C2725

C0CAAKG00013

100

Q2904

DVREF

R2702

1.8K

INGND

1

C2816
50V0.1

56K

820K

R2921

R2919

R2922

56K

C2906

10V220u

R2703

1.8K

B1GBCFJN0033

PCONT SWITCH



C2817

25V1000

C2908

50V100P

Q2906

R8040

330K

D2700

B0ACCE000003

Q2702

B1ACCF000094

VOLTAGE REGULATOR

Q2701

W3005

0

W3002

L2713

G0A200D00002

B7

1

+VE

-VE

SIGNAL

DC_DET

M_GND

M_GND

SYS6V

PCONT

SYS6V_GND

0

P_GND

+15V
+7V

-7V
SYS6V

SYS6V_GND

M+18V

+13V

SYNC
AMP_BP

VCC_CONTROL

1/4 2/4

3/4 4/4

2

1
2
3

1

+15V
+7V

2

GND

3
4

-7V
SYS6V

5
6

SYS6V_GND
M+18V

7

+13V

8

P_GND

9

10

SYNC
AMP_BP

11

VCC_CTRL

12

SA-VK750GCP MAIN CIRCUIT

CNP2913

W1A

CNP2710

TO FAN

TO
SMPS
CIRCUIT
(W1AA/B) IN
SCHEMATIC
DIAGRAM-15

TO
SMPS
CIRCUIT
(CN5902) IN
SCHEMATIC
DIAGRAM-15

15 16 17 18 19 20 21 22 23 24 25 2614

14

4.4. (C) Panel Circuit

P

H

G

I
R
N

H

A

C

R

H

A

C

C
R
N

H

A

Note: With reference to page 100 (section 19.4) of original service manual for SA-VK750GC/GS/GCS/GCT-S. Below is the updates.

SA-VK750GCP

SCHEMATIC DIAGRAM - 10

MIC_SW

SYS6V_GND

MIC_GND

HPOUT_FL

HP_GND

HPOUT_FR

HP_MUTE

MIC_GND

M_PORT_L

MPORT_GND

M_PORT_R

SYS6V_GND

MPORT

MPORT_L

MPORT_R

C6811
1000P

MPORT_GND

SYS6V_GND

HP_SW

HP_B

HP_A

HP_GND

HPOUT_FL
HPOUT_FR

HP_A

HP_GND

-7V

HP_MUTE

HP_B

: MIC SIGNAL LINE

: -B SIGNAL LINE

3G1G2G

MIC

+7V

R6768

1K

R6719

MIC

2.7K

Q6701

SYS6V_GND

Q6702

B1GBCFJN0033

LED DRIVE

FL_GND

MPORT_L

MPORT_R

MPORT_GND

-7V

M_PORT_R

M_PORT_L
+7V

KEY1

SYS6V_GND

KEY3

5G

4G

D6702

D6708

B0BC8R100004

R6703

1.2K

Q6704

C6724

1

C6732

1

C6731

1

7G

6G

D6701

B3AEA0000083

C6705

16V10u

R6766

15K

C6730 0.1

R6767

15K

R67101KR6711

S6701

POWER

8G

P1

D6707

B0BC8R100004

B3AEA0000083

R6704

1.2K

R6916

2.7K

Q6703

4

3

C6726

100

2

C6728

47

1

1K

S6702

SURR

R6729

1K

S6721

OPEN

R6769

1K

R6708

3.9K

R6709

18K

C6706

1000P

IC6702

-VCC

ENHANCER

S6722

/CLOSE

P3P2P4

S6703

+VCC

R6712

1.2K

SUPER

R6730

1K

MULTI

CHANGE

SURR

P5

5

6

7

8

S6704

S6723

P6

R6731

1.2K

SINGLE

P9

P7

P8

M+9V

Q6701,Q6703

B1GBCFJN0033

B1GBCFJN0033

DC DETECT SWTICH

LED_2

FL_GND
P1
P2
P3

LED_1

P4

DC_DET

P5
P6

P7

SW+5V

P8
P9

-VP
P10

P11
P12
P13
P14
P15
P16
P17
P18
P19
P20

C6723

1

R6764

C0ABBB000230

15K

C6725

100

R6765

C6727

15K

47

C6729

0.1

R6714

R6713

1.8K

S6705

SUPER

SOUNDEQSOUND

R6732

1.8K

S6724

DISC 1

CHANGE

P10

LED DRIVE

Q6704

2.2K

EQ

IC6702

IC OP-AMP

S6706

S6725

FL6601

A2BD00000163

FL DISPLAY

P13

P12

C6707

6.3V100

P14

P11



R6715

2.7K

SUB

WOOFER

R6734

R6733

2.7K

2.2K

DISC 3

DISC 2

S6726

26 24 22 1920 16 1518 1721232527 12 10 891113 576 3 1241453 50 4951 46 4547 42 4143 38 3739 3435 30 2931 2833 32364044485254

P15

C6708

P16

0.1

S6708

S6727

P19

P17

P18

P20

C6709

C6710

100

100

6263 58 576061 5964 53 50 4952 515556 54

1

SG5

SG2

2

SG6

[63] SG3

3

SG7 GR15

[64] SG4

4

SG8

5

SG9

6

SG10

7

SG11

8

SG12

9

SG13

10

SG14

11

SG15

12

SG16

13

SG17

[17] SG21

14

SG18

[18] SG22

15

SG19

16

SG20

SG23

R6717

R6718

4.7K

6.8K

S6709

DECK2

DECK1

R6735

R6736

4.7K

DISC 4

S6728

6.8K

DISC 5

P23

P21

P22

PO1

PO2

SG1

AD1

AD2

IC6701

C0HBB0000064

FL DRIVER

SG26

SG27

SG24

SG25

SG28

23 242118 1917 20 22 3129 3027 2825 26 32

R6737

10K

S6729

MIC UP

P24

SW+5V

VDD

SG29

S6730

P25

FLD_CS

FLD_CLK

FLD_DATA

R6748 100

R6747 100

R6746 100

SCLK

SDATA

[49] VSS
[50] XIN

[31] SG35

[32] GR1

SG31

SG30

R6738

22K

MIC

DOWN

P27

P26

FLD_RESET

C6711

330P

C6712

330P

C6713

330P

C6714

330P

R6745 100

R6740 3.3K

CS

RESET

SG32

SG33

C6715

47

VEE

XOUT

GR16

GR14
GR13
GR12
GR11
GR10

SG34

P29

P28

P30

48
47
46
45
44
43
42
41
40

GR9

39

GR8

38

GR7

37

GR6

36

GR5

35

GR4

34

GR3

33

GR2

B1GBCFJJ0051

PLUNGER ON/OFF SWITCH

P33

P31

P32

P34

FL_GND

HP_SW

Q6601,Q6602

MIC_SW

P35

P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21



-VP

8G
7G
6G
5G
4G
3G
2G
1G

C6716
50V22

-VP

FL_GND

DVREF+

KEY2

SYS6V_GND

JOG_A

JOG_B

MPORT

LED_1
LED_2
SW+5V

KEY1
KEY2
KEY3

FLD_CLK
FLD_DATA
FLD_CS
FLD_RESET
JOG_A
JOG_B
+7V

-7V
DC_DET

M+9V
PLUNGER_1
PLUNGER_2

DVREF+

M+9V

PLUNGER_2

PLUNGER_1

D6705

B0BC3R400001

Q6601

Q6602

R6741

471/4W

R6742

471/4W

C6717

50V3.3

D6709

B3AAA0000803

FL1
FL2

G0C101JA0052

STANDBY LED

R6739

1K

Q6603

R6601

22K

R6602

1K

Q6604

R6603

22K

R6604

1K

Q6603,Q6604

B1ACKD000006

PLUNGER SUPPLY SWITCH

L6701

R6605

2.7

R6606

2.7

R6743

27

R6607

270K

B3RAD0000125

REMOTE SENSOR

C6719

0.01

C6720
1000P

C6718

6.3V47

PHOTO_1

PHOTO_2

Z6702

231

HALF_1

R6608

270K

D6704

B0BC5R600003

R6744 0

MODE_1

SYS6V_GND

R6609

10K

R6610

10K

C6602

100



C6601

DECK2

HALF_1

100

DVREF+

DGND

FL1

1

FL2

2

-VP

3

FL_GND

4

1
2
3
4
5
6

DVREF+

7

KEY2

8

SYS6V_GND

9

JOG_A
JOG_B

10
11

M_PORT

12
13
14

STANDBY_LED

30

29

LED_1

28

LED_2

27

SW+5V

SYS6V_GND

26

25

VREF+

24

RMT
PHOTO_1

23

22

PHOTO_2

21

KEY1

20

KEY2
KEY3

19

18

DECK2

17

FLD_CLK

16

FLD_DATA

FLD_CS

15

14

FLD_RESET

13

JOG_A
JOG_B

12

+7V

11

GND

10

-7V

9

DC_CET

8

GND

7

M+9V

6

PLUNGER_1

5

PLUNGER_2

4

MODE_1

3

HALF_1

2

DVREF+

1

1

PL2

2

PL1

3

DVREF+

4

DGND

5

DECK2

6

PHOTO_PB

7

PHOTO_RB

8

HALF_PB

9

SYS6V_GND

MODE_PB

10

H6703

H6902

CN6703

CN6601

TO
SM
CIR
(CN
IN
SC
DIA

TO
TA
SW
CI
(H6
SC
DI

TO
MA
CI
(C
SC
DI

TO
DE
ME
CI
(C
SC
DI

: MAIN SIGNAL LINE

H

PANEL CIRCUIT

G

TO
MIC CIRCUIT
(CN6701) IN
SCHEMATIC
DIAGRAM-11

SYS6V_GND

MIC

MIC_SW

MIC_GND

+7V

1
2
3
4
5

: +B SIGNAL LINE

C6701
50V22

FL_GND

H6701

F

HPOUT_FL

1

HP_GND

TO
MAIN
CIRCUIT
(CNP2601)
IN
SCHEMATIC
DIAGRAM-8

E

D

JK6802

MUSIC PORT

C

JK6801

HEADPHONE

B

B1ABEB000002

HEADPHONE MUTING SWITCH

H6702

R6802
C6804
1000P

R6803

R6801 4.7K

Q6802

MPORT_GND

5

4

2

3

6

7

1

5

4

2

3

6

7

1

10

10

A

HPOUT_FR

HP_MUTE

MIC

MIC_GND

M_PORT_L

M_PORT_R

L6903 G0C100JA0052

R6760

100

C6803

0.01

C6801

C6802

0.047

R6804

10

R6805

10

2
3
4
5
6
7
8
9

R6762

L6905

100

G0C100JA0052

L6906

G0C100JA0052

C6805

0.01

0.047

4.7K

R6761

L6801 G0C100JA0052

L6802 J0JBC0000041

L6803 J0JBC0000041

L6804 G0C100JA0052

R6807

C6806

10

1000P

R6808

10

Q6802

Q6803

B1GCCFGA0006

MUTING CONTROL SWTICH

C6721

R6810

10

R6811

10

R6809

4.7K

R6806

1K

R6812

27K

330

R6813

C6733

0.1

C6722

R6763

330

4.7K

L6808

G0C100JA0052

C6807
1000P

C6809 16V47
C6810 16V47

Q6801

B1ABEB000002

HEADPHONE MUTING SWITCH

Q6801

R6814

56K

1K

C6808

50V4.7

R6815

1.8K

SA-VK750GCP PANEL CIRCUIT

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