JVC KD-G502, Service Manual

Page: 12 / 31

2-2
SHEET 1
Main amplifier section
To CN601
(SHEET 3)
Standard schematic diagrams
(SHEET 2)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
C312
IC801
C783
R738
R808
Q91
R3
C711
R739
R740
C311
C165
R734
L1
D1 D2
IC161
R7
IC702
R5
R4
R6
R735
R736
IC701
R743
C177
R744
R745
R807
Q1
C178
C179
IC31
Q31
C170
C180
C902
R803
R804
R805
R806
C50
R810
R809
R801
C801
SI
SCK
C91
Q2
R81
R91
SO
C78
C802
TU1
D331
Q241
D321
Q3
Q52
C52
Q10
C781
R332
R322
R331
R321
R706
L701
R182
C36
C35
C46
R181
C161
C162
C171
C163
D240
R248
R746
C39
C47
R708
R171
C5
R161
R759
R83 R93
R742
Q81
R760
IC71
Q9
C72
C76
C71
C75
C74
R793
VSS
R783
R720
R719
VDD
R758
VPP
C73
C77
C32
D84
C8
C49
X1
C706
R741
R243
R242
RESET
TD
C243
C901
R244
C301
C241
D243
C173
D998
RD
R756
X701 X702
C316
D997
D996
Q84
C83
D995
R53
C172
R707
R54
Q51
C55
C891
R891
C54
C968
C966
C967
C965
C964
Q6
R977
R976
C963
C962
C961
IC301
R714
R56
R57
R58
RA30
R2
D902
R761
C192 C191
Q7
C168
C167
C194
C81
C175
C707
R762
IC901
Q977
C302
R162
D712
C242
D994
D993
D992
D991
R43
C38
R715
R44
R716
R163
CN701
R747
R748
R749
C33
Q53
R705
R906
R59
C713
R311
R312
R301
R302
C322
C323
C324
C325
D901
Q901
R901
R352
R342
R341
R351
R84
R702
J1
R729
R10
Q784
D782
R172
C193
C169
R173
Q891
C37
R32
C34
C176
C174
C166
C164
D341
R704
D351
R737
R882
D241
R757
R245
R241
CN702
C712
D971
Q881
S701
D714
S703
R764
R730
R731
S702
IC771
C771
R732
D715
D716
D717
J801
C722
R776
R777
RA701
J321
R713
C31
C914
R1
C43
C1
L901
Q5
C40
C4
D701
C906
C2
C716
C313
R42
R38
R751
C314
C303 C304
R802
R92 C92
C82 R82
C910 C905 C911
C48
Q321
Q341
R165
R164
R323
R333
C321
X31
R31
C903
C9
C719
D703
C245
R750
D244
C919
R9
R39
C41
R51
D892
C319
D972
C907
R74
X71
C308
D781
R753
R721 R722
R73
R723
R72
R71
R246
R247
C94
D242
Q331
R726 R728
C3 R11
R972
C701 C702
R33
C703 C704
C85 C95
C718
R52
R55
C53
D891
R892
Q782
D710 D711
CN901 C913
C710
C908 C909
C317
D705 D707
B902 C246
D709 D702 D704 D706 D708
R12
R971
C315
R904
C717
R905
D784
C912
C782
C320
Q902
R763
C6
C318
L702
R903
R902
D4
C784
Q781
R725
R40
R353 R343
D718
R41
R174 R175
C42
C45
Q976
C307
C904
C44
Q351
C51
C915
R752
R766
R767
C708
C705
R701
C709 D713
C971
D5
C341
C84
R754
R755
C881
R771
R772
R768
R881
R717
R718
C990
0.47
HD74HC126FP-X
0.01
4.7k
330
4.7k
220/10
4.7k
4.7k
0.47
0.22
2.2k
4.7u
TEA6320T-X
4.7k
IC-PST3433U-X
47k
3.3k
47k
2.2k
2.2k
UPD784217AGC270
10k
0.033
10k
10k
100k
0.0056
4.7/25
TB2118F-X
10
UN2211-X
4.7/25
4.7/25
2.2/50
100
22k
100k
10k
100P
100
22k
47k
0.047
1/50
8.2K
8.2K
0.01
0.01
QAU0313-001
MA111-X
2SD601A/QR/-X
MA111-X
2SD601A/QR/-X
0.01
UN2211-X
100/6.3
820
820
2.2k
2.2k
150k
4.7u
270
7P
10P
0.01
270
1/50
1/50
1/50
1/50
MA111-X
220
10k
1000P
0.01
3.3k
220k
0.1/50
220k
47k
4.7k
4.7k
10k
47k
RB160M-30-X
SAA6579T-X
UN2111-X
0.022 0.01
560p
47p
82p
0
10k
1.2k
0
47k
2.2/50
47/6.3
47P
MA111-X
0.001
0.047
10k
180k
22k
0.047
3300/16
12k
0.47
1/50
RB160M-30-X
1/50
RB160M-30-X
47k
QAX0617-001Z QAX0401-001
4.7/25
RB160M-30-X
RB160M-30-X
UN2111-X
0.1
RB160M-30-X
47k
1/50
150k
10k
2SD601A/QR/-X
0.47/50
0.1
1k
0.1
100P
100P
100P
100P
100P
2SB624/4/-X
12k
27k
100P
100P
100P
LA47515
10k
10k
15k
470
2.2k
47k
MA111-X
47k
100/16
47/16
UN2211-X
0.0056
0.033
0.01
1/50
0.22
0.047
47k
HA13164A
QMFZ047-150-T
2SB709A/QR/-X
0.47
22k
MA8062/M/-X
22/16
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
470
0.001
1k
220
1k
2.2k
QNZ0605-001
4.7k
4.7k
4.7k
47/6.3
47k
1k
47k
0.01
27k
27k
27k
27k
0.1
0.1
0.1
0.1
1N5401-TU-15
UN2211-X
1k
820
820
2.2k
2.2k
0
0
QNB0100-002
47k
10K
UN2111-X
MA111-X
22k
100/16
4.7/25
2.2k
UN2211-X
10P
6.2k
0.047
0.22
0.0082
0.22
0.0082
MA111-X
47k
MA111-X
0
4.7K
MA111-X
2.2k
47
47k
QGA2006F1-02
0.01
RB160M-30-X
UN2211-X
QSW0451-001
UDZS5.6B-X
QSW1049-001Z
100
10k
47k
QSW0451-001
BR24L16F-W-X
0.047
10K
SML-310VT/JK/-X
SML-310VT/JK/-X
SML-310VT/JK/-X
QNZ0095-001
270P
47k
47k
1k
QNN0489-001
100
100/10
100/16
10
0.047
2SD601A/QR/-X
22/16
QQR1378-002
2SB709A/R/-X
MA111-X MA111-X
10/16
220/10
0.01
0.047
0.1
100P
2SD601A/QR/-X
100
10k
100P
100P 100P
47k
2SD601A/QR/-X
18k
0.0018 0.0018
18k
UN2111-X
10/16 47/16
0.1
0.047
2SD1781K/QR/-X
2SD1781K/QR/-X
47k 47k
100 100
0.047
QAX0616-001Z
10
47/16
220/10
0.01
0.22
10k
UDZS5.1B-X
10/16
0
0
0.047
27k
MA111-X
0.022
2SD601A/QR/-X
220/10
100
QAX0263-001Z
1/50
MA111-X
47k
1k 10k
2.2k
10k
2.2k
2.2k
1k
47K
0.012
MA111-X
2SD1781K/QR/-X
10k 10k
22/16
10K
2.2k
22P 27P
10k
27P 8P
0.001 0.001
100P
47k
2.2k
0.0047
MA111-X
47k
UN2211-X
QNZ0650-001
10/16
47/6.3
220/10 220/10
47/16
0 0.01
0
UN2211-X
2.2k
4.7/50
5.6k
0.1
10k
UDZS11B-X
0.01
0.082
0.022
UN2111-X
1k
0.01
22/16
4.7u
4.7k
9.1k
MA111-X
100/16
UN2111-X
10k
39k
100 100
10k
47k 47k
0.01 0.0027
UN2211-X
1/50
10/16
0.01
2SD1781K/QR/-X
330P
0.1
47k
2.2k
22k
0.047
0.047
47k
0.01
MA111-X
0.1
MA111-X
0.047
0.012
820
10M
22/16
270 270
270
47K
10k
10k
0.01
SQ
PSW
VOLDA
CH.L
DAC-CDTI
DAC-CCLK
DAC-CSN
KEY2
DAC-PDN
DIMIN
8V
INT
9V
REMOCON
ENC1
STEERING
SI
CD.L
ENC2
KEY1
KEY0
LEVEL
SW1
VOLCL
LCDCL
BUZZER
OUTLR
LCDCE
LCDCL
LCDDA
I/O
TU.R
SCK
SO
SI
CD.R
OUTRF
OUTRR
CH.R
LEDBLUE
TU.L
FM/AM
CDON
LEDRED
LCDDA
RST
LCDCE
LEDBLUE
VOLDA
SW5V
VOLCL
LEDRED
MP3REQ
CD.R
I/O
CD.L
OUTLF
SW2
A-GND
10V
DIMOUT
DIMOUT
DIMOUT
MP3DOUT
SO
ACC5V
BUS0
MP3DIN
BUS1
MP3STBY
BUS2
BUS3
PLLCE
PLLDA
PLLCL
LM0
BUS0
PLLDI
CDRW
MP3RESET
KEY2
SCK
LM1
BUS1
BUS2
BUS3
RST
SQ
CCE
BUCK
VDD5V
MP3CLK
CH.SCK
CDRW
TELMUTE
ENC2
CDON
CH.R
CH.L
TELMUTE
SD/ST
KEY1
KEY0
LEVEL
BUCK
CCE
SM
MP3CLK
SEEK/STOP
AM.VCC
SW2
MP3REQ
MP3RESET
MP3STBY MP3DOUT
MONO
MP3DIN
DAC-PDN
DAC-CDTI DAC-CCLK
DAC-CSN
AFCK
STEERING
FR-
REMOCON
IFC-CONT
SEEK/STOP
AFCK
LM1 LM0
FR+
RR-
FL+ RL+
RR+ FR-
RL-
FR+ FL- FL+ RL- RL+
DIMIN
SW1
PSW
INT
RDSCL
MONO
RDSCL
ENC1
FL-
RDSDA
RR+
SEEK/STOP
IFC-CONT
RDSDA
SM
PLLDI PLLCL PLLDA PLLCE FM/AM
SD/ST