DOWNLOAD Panasonic SA-VK870GC / SA-VK870GCS / SA-VK870GS Service Manual ↓ Size: 14.81 MB | Pages: 127 in PDF or view online for FREE

Model
SA-VK870GC SA-VK870GCS SA-VK870GS
Pages
127
Size
14.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / DVD STEREO SYSTEM
File
sa-vk870gc-sa-vk870gcs-sa-vk870gs.pdf
Date
PREV: Panasonic SA-VK870EE / SC-VK870EE Service Manual

Panasonic SA-VK870GC / SA-VK870GCS / SA-VK870GS Service Manual ▷ View online

18.3. DVD (Audio)
: DVD AUDIO SIGNAL LINE 
: MAIN SIGNAL LINE
: USB SIGNAL LINE
: DVD RF SIGNAL LINE
OPTICAL PICKUP UNIT
ADDRESS
MEMORY
DATA
MEMORY
IC8051
64MB SDRAM
ADDRESS
MEMORY
DATA
MEMORY
CLK
NWE
/CAS
/RAS
/CS
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
38
16
17
18
19
35
22
34
33
32
31
30
29
26
25
24
23
53
51
50
48
47
45
44
42
13
11
10
8
7
5
4
2
MCK
NWE
NCAS
NRAS
NCSM
MA11
(DQM3)
MA10
MA9
MA8
MA7
MA6
MA5
MA4
MA3
MA2
MA1
MA0
MDQ15
MDQ14
MDQ13
MDQ12
MDQ11
MDQ10
MDQ9
MDQ8
MDQ7
MDQ6
MDQ5
MDQ4
MDQ3
MDQ2
MDQ1
MDQ0
IC8001
DV5.0 LSI
RFINP
VN1RF
VN2RF
VN3RF
VN4RF
RFINN
P6
P7
P8
53
55
FROM/TO
SYSTEM CONTROL
CPU CLOCK
CPU STATUS
CPU CMD
100
18
FP8531
RFP
RFN
19
FP8531
160
162
164
168
170
172
176
178
177
175
171
169
201
203
207
209
208
206
202
200
198
199
192
190
189
188
194
181
185
167
163
161
159
TD(DVD)
26
TC(DVD)
17
15
TB(DVD)
TA(DVD)
25
95
96
97
98
99
1
2
4
54
76
A MUTE
QR8420
MUTING
AND GATE
AND GATE
IC8695
C0JBAA000502
IC8691
C0JBAA000502
TRCCLK
MN2DS0018MP
C3ABPY000011
FP8531
FP8531
FP8531
FP8531
1
2
4
SA-VK870GC/GCS/GS DVD (AUDIO) BLOCK DIAGRAM
P5
50
IC9003
X9004
INVERTER GATE
C0JBAB000908
60
65
8
2
3
4
5
7
IC8651
32M FLASH MEMORY
ADDRESS
ADDRESS
DATA
ADDRESS
ADDRESS / DATA
NRST
NEXOE
NEXCE
NEXWE
EXADR20
EXADR19
EXADR18
EXADR17
EXADR16
EXADT15
EXADT14
EXADT13
EXADT12
EXADT11
EXADT10
EXADT9
EXADT8
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1
EXADT0
XRST 12
28
XOE
XCE 26
11
XWE
A20 10
9
A19
A18 16
17
A17
A16 48
1
A15
A14
2
3
A13
A12
4
5
A11
A10
6
7
A9
A8 8
18
A7
A6 19
20
A5
A4 21
22
A3
A2 23
24
A1
A0 25
45
DQ15
DQ14 43
41
DQ13
DQ12 39
36
DQ11
DQ10 34
32
DQ9
DQ8 30
DQ7 44
DQ6 42
DQ5 40
38
DQ4
DQ3 35
33
DQ2
31
DQ1
DQ0 29
212
42
41
40
39
38
37
36
29
28
27
26
25
24
23
22
21
35
34
30
45
31
213
214
70
IC9002
LATCH
LE
11
D8 9
D7
D6
8
7
D5
D4
6
5
D3
D2
4
3
D1
EXADT15
EXADT14
EXADT13
EXADT12
EXADT11
EXADT10
EXADT9
EXADT8
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1
EXADT0
2
12
13
14
15
16
17
18
19
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
IC9001
LATCH
LE
11
D8 9
D7
D6
8
7
D5
D4
6
5
D3
D2
4
3
D1
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1
EXADT0
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1
EXADT0
2
12
13
14
15
16
17
18
19
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
C0JBAZ001251
C0JBAZ001251
3
1
4
6
USB
D +
D -
1
CN7002
VBUS OUT
2
FP9001
1
FP9001
2
FP9001
3
5
CN8002
CN7002
CN8002
CN7002
CN8002
4
IC9005
OC
EN
IN
IN
OUT
OUT
6
OUT
C0DBZYY00266
QR9030
LEVEL
SHIFTER
USB VBUS
USB OVER
D+5V
146
ROUT
144
LOUT
60
65
P13
DRV2
REGULATOR
RFKWMH32D323...GCS
RFKWMH32B326...GC/GS
X8621
OSCO
OSCI
P1
156
155
5
6
46
1
OUT
RESET
C0EBA0000039
C3EBGC000056
SDA
SDA
P2 47
SCL
SCL
RESET
C0EBE0000456
IC8606
16M EEPROM
IC8611
IC8601
1
OUT
12
39
CN2801
FP8101
14
37
CN2801
FP8101
16
35
CN2801
FP8101
18
33
CN2801
FP8101
20
31
CN2801
FP8101
22
29
CN2801
FP8101
24
27
CN2801
FP8101
26
25
CN2801
FP8101
40
11
CN2801
FP8101
48
3
CN2801 FP8101
50
1
CN2801 FP8101
49
2
CN2801 FP8101
MIX-L
MIX-R
FL
FR
SL
SR
CNT
SW
ZFLAG
MCLK
LRCK
SDTI1
SDTI2
SDTI3
SDTI4
CSN
CCLK
CDTI
BICK
LOUT1
ROUT1
ROUT2
ROUT3
LOUT2
LOUT3
ROUT4
DZF1
LOUT4
AUDIO
PCM
CONTROL
REGISTER
I/F
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
DATT
DAC
SCF
LPF
25
24
22
21
20
19
18
17
30
63
62
151
64
58
215
57
148
150
LRCK
DRV3
DRV4
DRV5
ADOUT
DACCK
149
SRCK
P11
STBDAC
STBDAC
SBT3
SBO3
ADAC-CLK
SRCK
LRCK
DMIXOUT
AOUT0
AOUT1
AOUT2
P10
IC8421
AUDIO DAC
C0FBBK000044
10
11
1
4
3
9
2
8
7
6
TO AUDIO
TO
SYSTEM CONTROL
: AUDIO SIGNAL LINE
SA-VK870GC / SA-VK870GCS / SA-VK870GS
97
18.4. Video
VIDEO BUFFER
C9ZB00000461
75Ohm
DRIVER
+
V OUT
CY OUT
CB OUT
CR OUT
CIN
COUT
VOUT
VSAG
YOUT
YSAG
CYOUT
CYSAG
CBOUT
CBSAG
CROUT
CHSAG
4
MUTE1
MUTE1
5
MUTE2
MUTE2
14
VCC1
1
VCC2
16
6dB
L
H
L
H
32
30
29
27
26
24
23
21
20
18
17
BIAS
6MHz
LPF
YIN
8
SEL
7
SEL
10
CYIN
11
6dB
BIAS
CBIN
13
BIAS
BIAS
CLAMP
6MHz
LPF
75Ohm
DRIVER
75Ohm
DRIVER
6dB
12MHz
LPF
75Ohm
DRIVER
6dB
12MHz
LPF
75Ohm
DRIVER
CRIN
BIAS
15
BIAS
9
BIAS
6dB
12MHz
LPF
75Ohm
DRIVER
6MHz
LPF
CVIN
6
6dB
CLAMP
IC2900
JK2001
1
2
3
VIDEO OUT
Y (GREEN) 
PR (RED)
PB (BLUE)
4
5
6
: DVD VIDEO SIGNAL LINE
SA-VK870GC/GCS/GS VIDEO BLOCK DIAGRAM
IC8001
DV5.0 LSI
MN2DS0018MP
CR/PR/R
CB/PB/B
Y/PY/G
131
130
C
Y
129
138
DAC1 OUT
DAC2 OUT
DAC3 OUT
DAC4 OUT
DAC5 OUT 139
BUFFER
Q8331
BUFFER
Q8335
BUFFER
Q8341
BUFFER
Q8321
BUFFER
Q8325
9
42
CIN
CN2801
FP8101
7
44
YIN
CN2801
FP8101
1
50
PY
CN2801
FP8101
3
48
CB
CN2801
FP8101
5
46
CR
CN2801
FP8101
D+5V
SA-VK870GC / SA-VK870GCS / SA-VK870GS
98
18.5. Deck
+
-
+
-
+
-
+
-
-
2
-
1
WR1903
WR1903
MOTOR
VREF
VREF
PB/REC PRE AMP
AN7326K
PB ROUT
PB LOUT
4
Z971
RECINH F
S975
MODE
S971
RECINH R
S974
HALF
S972
2
1
3
4
5
6
15
22
19
REC RIN
7
REC LIN
REC LOUT
REC ROUT
PB RIN
PB LIN
16
PB/REC SW
9
4
3
2
5
TPS OUT
HEAD SW
CTRL1
CTRL2
GND
6
PB/REC
LOGIC
TPS
IC1001
AUDIO HEAD SWITCH
C1AA00000612
IC1000
PHOTO INTERUPTOR
CNB13030R2AU
IC971
FROM 
SYSTEM CONTROL
TO AUDIO
FROM AUDIO
FROM
SYSTEM CONTROL
SA-VK870GC/GCS/GS DECK BLOCK DIAGRAM
INVERTER
Q1303
INVERTER
BIAS
OSCILLATOR
CONTROL
BEATPROOF
SWITCH
Q1304
SWITCH
Q1306,
Q1307
Q1312
Q1317
D1301
D971
L1301
1
3
2
6
4
5
Q1310,
Q1309,
MUTING
CONTROL
Q1302
MUTING
SWITCH
Q1101
MUTING
SWITCH
Q1201
9
PB ROUT
CN2803
CN1305
4
CP1301
3
CP1301
16
DMT
CN2803
CN1305
8
PB LOUT
CN2803
CN1305
13
REC RIN
CN1305
CN2803
CN1305
CN2803
12
REC LIN
RECINH F
CN1305
CN2803
14
REC
FROM/TO
SYSTEM CONTROL
CN1305
CN2803
4
AN6
CS971
CP1902
5
PHOTO T
REC H
POWER
SUPPLY
Q1315
CN1305
CN2803
1
CS971
CP1902
3
PLUNGER
LCH
R/P HEAD
8
1
2
CP1301
RCH
R/P HEAD
5
CP1301
ERASE HEAD
+9V
CS971
CP1902
CN1305
CN2803
6
VREF
M+9V
MOTOR DRIVE
CONTROL
MOTOR
DRIVE
Q1314
Q1316
CN1305
CN2803
2
MOTOR
M+9V
M+9V
M
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORD SIGNAL LINE
SA-VK870GC / SA-VK870GCS / SA-VK870GS
99
18.6. Audio
SUBIN
MICIN
CIN
OP IN 1
OP IN 2
OP OUT 2
FLVOLOUT
FRVOLOUT
FLF IN
SL OUT
SR OUT
FL OUT
FR OUT
FL OUT
FR OUT
C OUT
SUBOUT
OP OUT 1
C1AB00002735
AUDIO SIGNAL PROCESSOR
FLIN
SLIN
SRIN
INL2
INR2
INL3
INR4
INR3
INL4
RECOUTR
RECOUTL
FLSEL OUT
FRSEL OUT
FLVOL IN
FRVOL IN
SLVOL IN
SRVOL IN
CVOL IN
SUBVOL IN
SLSEL OUT
SRSEL OUT
CSEL OUT
SUBSEL OUT
IC2101
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AGC
AMP
AMP
AMP
AMP
H BASS
ASS
TONE
INL1
INR1
AMP
100
MIX R
MIX L
FRIN
99
90
89
92
91
93
95
82
81
79
78
80
77
77
97
62
63
12
21
36
35
22
60
20
37
23
52
34
13
19
FRF IN
FLVOLOUT
FRVOLOUT
FLFIN
FRFIN
15
27
14
30
16
44
SRVOL OUT
SLVOL OUT
CVOL OUT
39
25
32
SRF IN
CF IN
SLF IN
40
26
31
48
47
45
46
MCU 
I/F
FRONT R
FRONT L
SURR R
SURR L
CENTER
SUBW
96
94
17
41
18
ASP CLK
ASP DATA
FROM/TO
SYSTEM CONTROL
FROM
DVD (AUDIO)
SA-VK870GC/GCS/GS  AUDIO BLOCK DIAGRAM
INR5
INL5
88
87
ASP CLK
ASP DATA
HBASS
CIRCUIT
C0ABCB000088
OP-AMP
Q2600,Q2602
IC2104
SWITCH
HBASS SW
Q2601
BUFFER
Q2300
12
39
CN2801
FP8101
14
37
CN2801
FP8101
16
35
CN2801
FP8101
18
33
CN2801
FP8101
20
31
CN2801
FP8101
22
29
CN2801
FP8101
24
27
CN2801
FP8101
26
25
CN2801
FP8101
: AM / FM SIGNAL LINE
: MAIN SIGNAL LINE
: AUX / MIC / MUSIC PORT SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORD SIGNAL LINE
ZFLAG
TUN L
TUN R
AUX L
MPORT L
MPORT R
AUX R
JK2802
R
L
AUX
TO 
SYSTEM CONTROL
FROM
SYSTEM CONTROL
1
2
3
MUTING
MUTING
CONTROL
Q2052
Q2051
MUTING
CONTROL
Q2342
MUTING
CONTROL
Q2371
MUTING
Q2341
MUTING
Q2340
MUTING
Q2221
MUTING
Q2222
MUTING
Q2370
MUTING
CONTROL
QR8031
MUTING
Q8031
MUTING
Q8030
D8030
VR6001
MIC VOLUME JOG
IC6000
C0ABBB000230
MIC AMP
3
6
7
-
+
3
2
1
-
+
JK6810
MUSIC PORT
7
6
1
2
3
4
5
JK6002
MIC 2
5
4
2
3
7
8
1
JK6001
MIC 1
5
4
2
3
7
8
1
5
6
CN6807
CN2806
MPORT SW
TN2802
LCH
RCH
TUNER PACK
5
7
PB L
MIC SW
PB R
6
CN6807
5
CN2806
8
CN6807
3
CN2806
CN6702
5
ZJ6601
CN6001
15
13
CN2807
FROM DECK
9
CN2803
CN1305
8
CN2803
CN1305
ZFLAG
2
CN6702
ZJ6601
ECHO
CONTROL
ECHO
CONTROL
ECHO
CONTROL
MUTING
ECHO 3
ECHO 2
ECHO 1
Q6908
Q6907
Q6906
Q6909
ECHO MUTE
FROM
SYSTEM CONTROL
ECHO 3
ECHO 2
ECHO 1
ECHO MUTE
16
2
6
4
15
14
13
1/2 VCC
LPF1
LPF1 IN
LPF1 OUT
LPF2 OUT
LPF2 IN
OP2 OUT
OP1 OUT
OP2 IN
OP1 IN
CC1
CC0
LPF2
VCO
DGND
CLK
REF
AUTO
RESET
44K Bits
RAM
DI
MO
MI
MOD
DO0
CLOCK
DEM
DO1
+
-
+
-
+
-
+
-
12
11
10
9
8
7
+
-
IC6931
C1AB00002773
ECHO PROCESSOR
LM L
HP MUTE
+7V
D2332
TO DECK
MUTE S C
FROM/TO
SYSTEM CONTROL
MUTE F
FROM
SYSTEM CONTROL
LM L
13
CN1305
CN2803
CN1305
CN2803
12
REC LIN
REC RIN
FROM/TO
SYSTEM CONTROL
TO
DIGITAL AUDIO AMP
9
CN5050
CN2808
CN5050
CN2808
7
11
SURROUND L
CN5050
CN2808
1
17
FRONT L
CN5050
CN2808
3
15
FRONT R
SURROUND R
SLOUT
CN5050
CN2808
11
7
CENTER
COUT
CN5050
CN2808
5
13
SUBWOOFER
SUBW
SROUT
IC2340
C0AABB000125
HEADPHONE AMP
3
2
1
5
7
6
-
+
-
+
IC2380
C0ABBB000230
MIX AMP
3
2
1
5
7
6
-
+
-
+
HP L
HP R
JK6800
HEADPHONE
7
6
1
2
3
4
5
4
7
CN6807 CN2806
HP SW
1
CN6807
10
CN2806
3
CN6807
8
CN2806
SA-VK870GC / SA-VK870GCS / SA-VK870GS
100
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