JVC KD-G815 Service Manual page 38

Standard schematic diagrams
Main amplifier section
TU1
QAU0312-002
L1
J1
4.7
QAM0556-001
C39
C12
1000P
0.01
C9
10/16
IC31
TB2118F-X
10P
R37 2.2K 47k
PLLCE
R36 2.2K
PLLDA
R35 2.2K
PLLCL
R34 2.2K
PLLDI
Q7
UN2211-X
C46 0.01
C47 0.01
R43 R44
C49
470 220
C50
R32 100P
6.2K
Q31
C33
0.047 47/6.3
UN2211-X
CD.L
CD.R
DETACH
DIMMER
LCDDA C720 0.01
LCDCE
C722 C721
10V
0.01
R786 0.01
LCDCL DATA
KEY1 CDMUTE 0
KEY2 CDREQ
Q704
CDRESET UN2211-X
ENC2
B.DET
KEY0
P.DET
TEMP
BUSSI/SO
ACC5V
ENC1 BUSCLK
R792
RESET VDD5V
GND 0
REMOCON
R793 510
D715
R794 510
D792 D791
D793
MA111-X
SML-310VT/JK/-X
DIMMER R711
DIMMER
47K
DETACH DETACH
LCDCE LCDCE
LCDDA LCDDA
LCDCL LCDCL
10V 10V
KEY2 KEY2
KEY1 KEY1
KEY0 KEY0
ENC2 ENC2
ACC5V ACC5V
TEMP TEMP
R712
RESET RESET
ENC1
ENC1 100
REMOCON REMOCON
GND
R806
R805 10k
EXT
100k
CH.R
CH.L
R804
22K
R803
R808
100
330
R810
100
IC801
HD74HC126FP-X
J801
QNZ0095-001
C5 0.1/50
C81 1/50 R81 1.8K C163
C91 1/50 R91 1.8K C173
Q1
2SD601A/QR/-X
CD.L
Q5 C11
2SB709A/QR/-X
CD.R
CH.L
CH.R
R6
R2
0.001
47K
Q8
UN2211-X
Q705
UN2211-X
R773
220K
R774
220K
VDD 0
R719
R763 10K
EFD_IN1
R764 10K
EFD_IN2
10K
R765
EFD_IN3
VOLDA
VOLCL
R775 220K
IC701
SUBWMUTE
UPD784217AGC328
KICK
R768
47K
LPF1
LPF2
R714
10K
VPP
R760
47K
BUSSI/SO BUSSI/SO
BUSSO
I/O
BUSINT
BUSSCK
BUSCLK
X1
C804
22P
X701
X702
QAX0617-001Z QAX0401-001
RB160M-30-X
R248 R244
D243
220 12k
C243
0.047
C241
1/50
R245
47
C242
22/16
1/50
TU.R
LEVEL
1/50 TU.L
R370
C174 2.2/50
C164 2.2/50
R371
C180
10/16
C175 1/50
C184 0.012
C165 1/50
R161 2.2K
VOLDA
R162 2.2K
VOLCL
R163 33K
IC161
BD3807K
R168
47K
C176
220p
R390
1K
C181
100/16 R391
C182 0.1
1K
C253
R164
C168 C169 C179 C178
0
0.01 0.01 0.01 0.01 10/10
C255
47/16
C782
0.082
C256
C276
0.01 0.033
L701
C274
0.027
4.7
Q781
D781 MA111-X C275
UN2111-X
0.027
C781
47/6.3
Q273
C707 0.047
UN2211-X
R729
LPF1
47K
IC771 BR24L16F-W-X
LPF2
Q272
UN2211-X
D273
MA111-X
C771 0.047
SUBWMUTE
Q274
UN2111-X
TD
RD R716 47K
R715
47K
R732 10K
R733 10k
BUZZER
R734 2.2K
LCDCE
R735 2.2K
EFD_OUT1
LCDCL
R736 2.2K
EFD_OUT2
LCDDA
R737 0
I/O
R738 4.7K
BUSSCK
R739 4.7K
BUSSO
R740 4.7K
BUSSI/SO
KICK
R746 10K
ENC2
R750 10K
Q951
ENC1
UN2211-X
R741 10K SM
R791 47K
LEVEL
R743 10K
KEY2
R744 10K
KEY1
R745 10K
KEY0
4.7K
R747
R748 4.7K
R977 12K
R749 4.7K 2SB709A/QR/-X
Q977
PS
IC702
IC-PST3433U-X
UN2211-X
D891 Q881
MA152WA-X
R757
Q891
2.2K UN2211-X
C710
47/6.3
MA111-X
2-2
RL
FL
RR
FR
R311
R362 22K R361 33K
51K 0.47
C311
C362 0.1 C370 C312 0.47
0.0015
R312
IC361 NJM2160BV-X 51K
C365 4.7/25
1K
C368
C363 47/6.3
1/50
C301
0.47
R301 51K
R302 51K
1K 4.7/25 C361
C302
0.47
R368
47K R342 820
C364 0.1 C371 0.0015
R389
R363 22K R365 33K 47K
R332 820
C388
33K
R382 22K R381
R341
C392 0.0015 1/50
C382 0.1 2.2k
IC381 NJM2160BV-X
R331
2.2k
C381 4.7/25
R351
C387
C383 47/16 2.2k
R321
1/50
C385 4.7/25 2.2k
R388
R352 820
47K
C384 0.1
R369
R322 820
C391 0.0015
R383 22K
47K
R253
R385 33K
C367
100K
1/16
R783
510
R279
47K
Q784
UN2111-X
C251
D782 R787
10K
MA111-X
C784
Q782 100/16
KTD1304-X
0.0056 D784
C277
MA8110/M/-X
C902
2.2/50
R256
C254
100K R901
R257
C278 0.082
1K
0.012
5.6K R258
IC271 R259
15K
CD4066BPW-X
10K
R280
C279
10K
C261 R260
47/16
2.2/50
R271
D272 MA111-X 47K
2.2K
Q271
KTD1304-X
R272
100 J321
R273
100
IC951
BA6956AN
CN251
QGA2501C1-03
C951
220/10
0.01
C952
IC901
HA13164A
D902
MA111-X
EFD_IN1
EFD_IN2
EFD_IN3
R882
4.7K
C881
22/16
IC301 TB2906HQ
C326
4700p
D961
C323
4700p
RB160M-30-X
C324
D962
4700p
RB160M-30-X
C325
4700p
C961 470P
470P
C962
C963 470P
C964 470P
C965 470P
C966 470P
C967 470P
470P
C968
C917
0.33 L901
QQR1378-002
D971
RB160M-30-X
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 1