Standard Schematic Diagrams - JVC KD-LH915 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

Standard schematic diagrams

Main amplifier section
TU1
QAU0403-001
J1
QAM0556-001
L1
4.7u
R2
R5 Q5 27
10 2SB624/4/-X
R1
47K
Q6
2SB624/4/-X
Q55
R59 UN2111-X
Q7
4.7K
UN2211-X
FM/AM
Q54
2SD601A/QR/-X
R12 D5
MA111-X
39K
SM
R51
470
Q51
SQ
2SD601A/QR/-X
R58
C52
47K
0.1
C54
0.01
Q53
UN2211-X
9V
T E
CN702
L 1 3 9 4 2 2 9 6 5 1 3
QGB2027M5-26S
CD.L
CD.R
Q707
UN2211-X
CDREQ
Q706
UN2211-X
R728 0
SI/SO
R730 0 SCK
R773 47K MUTE
L703 CD8V
47u R772
R774 47K
C709 R775 47K
0.1
SBD
SBT
VOLDA
R778 47K VOLCK
PON R779 47K
SUBM R780
PS
LPF1 R791
R793 47K LPF2
R792
R794 47K
R795 47K
R796 47K
Q703 R717
UN2211-X 47K VPP
R797
10K
C707
0.1
AMPSW
VDD
R799
47K
KEY
IC701
VSS
UPD784217AGC312
QNZ0664-003 QAL0587-001
REMOCON GND
GND REMOCON
SBRST VDD5V
VDD5V
VDD5V SBRST
ACC5V 15V
15V ACC5V ACC5V
SBT LEVEL LEVEL
LEVEL SBT SBT
PS2 SBD R710 SBD
SBD PS2 2.2K
DISPSCK 10V
10V DISPSCK DISPCK
DISPCE DISPDATA DISPDA
DISPDATA DISPCE DISPCE
KEYDATA DETACH DETACH
DETACH KEYDATA w w w
CN141
QGA2006C1-04
R142
470
C144
0.47
R141 R151
47K 47K
C141 C151
0.0047 0.0047
C143
C142 1/50 C152
1/50 1/50
C161
1/50
C181
1/50
C162
C81 4.7/25 R81 TU.L 2.2/50
C182
C91 4.7/25 R91 TU.R 2.2/50 C188
10/16
R161
CD.L 1K
R181
1K
CD.R
C163
CH.L 1/50
C183
CH.R
1/50
IC161
BD3807K
C164
220P
R71
2.2K
RDSDA
Q56
UN2111-X
D241
R249 R245
RB160M-30-X C243
12K 12K
0.047
Q241
2SD601A/QR/-X
C242
1/50
RDSSCK
R790 47K
R789 47K
R788 47K
R747 0
KICK
R745 1K DETACH
1K
R742
270
R741 10K
R740
270
R739 10K
BUZZER
3.9K
R737
DISPCE
R735 3.9K
DISPCK
R733 3.9K DISPDA
1K
R727 1K KEY
1K
BUSCLK
1K MUTE
BUSSO
RA702
SI/SO
1K
BUSI/O
R752 47K
C703
470P
47K
R731
R725 1K SM
R723 1K
SQ
R722 1K MRC
R721 10K
R720 4.7K
R798
1K
R719 4.7K
R724 47K
D716
MC2838-X
R711
47K
R713
47K
R763
100
X1
R801
R704
10M R802
R804
R841
3.3K
BUZZER
x a o
Q841
y
UN2211-X
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C189
10/16
IC271
Q271
UN2211-X
CD4066BPW-X
LPF2
C273
0.033
C190
0.012 C274
0.027
C275
0.027
Q272
UN2211-X
LPF1
R170 2.2K VOLDA
D253
R171 2.2K VOLCK
MA111-X
R169 33K
C259
47/6.3 C276
0.01
Q252
SUBM UN2111-X
C260
0.1
R361 R363
22K 33K
C363 IC361
0.1
NJM2160BV-X C365
R186 0.0015
0
C367
C361
100/10
4.7/25
R197
C371
100K
47/16
C368
R188
C362
1K 100/10
4.7/25
R198
100K C364 C366
0.1
0.0015
R362 R364
22K 33K
R381
R383
22K 33K
C383 IC381
R167 R177
100K
1K 0.1
NJM2160BV-X C385
C372 0.0015
100/10
C387
C381
100/10
4.7/25
R168 R178
C391
1K 100K
47/16
Q Q C388
C382
100/10
4.7/25
3 7 6
C386
C384
0.1 R382 0.0015
22K
R384
33K
2SD601A/QR/-X
IC951
BA6956AN
EFD-OUT1
TEL EFD-OUT2
D951
UDZS3.9B-X
KICK
TEL-M
Q895 Q951
UN2211-X UN2211-X
C705
0.047
IC901
HA13164A
TD
RD
D851 14V
RB160M-30-X
D781
MA111-X
L701
47u D901
MA111-X
Q977
2SB709A/QR/-X
L702
47u
R806
100K
IC801
HD74HC126FP-X
22K
100K
R803
47K R807
100 330
R808
100 J801
QNZ0095-001
u 1 6 3
.
2-2
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2 4
8 9 9
J321
QNN0490-001
FL R331 820 R332 180
FR R321 820 180
R322
RL R351 820
Q331
RR R341 820 KTD1304-X Q321
KTD1304-X
Q341 Q351
KTD1304-X KTD1304-X
R352 180
R342 180
R258 R259 C257
5.6K 15K 2.2/50
C256
0.082
C272
0.0056
CN251
QGA2501C1-03
R261 R262
C271
0.01 820 180
C251
0.0082
D251
MA111-X
CN981
QGA2006F1-02
R369
0
IC301
R308 R309
TB2906HQ
1K 10K
FR-
C323
C369 4700P
1/50 R311 C311 FR+ C319
51K 1
C305 0.047
4700P
RR-
R301
C370 C301
51K C324
1/50 1
RR+ 4700P
C317
C315 47/16
4700P
R368
0
C318
4.7/25
Q301
RL+
UN2211-X
D301
C325
MA111-X
RL- 4700P C320
C316
0.047
4700P
R389
FL+
0
R307
47K C326
4700P
C389 C302 FL-
R302
1/50 1 C306
51K
R310 4700P
10K
D302
C390 R312 C312
51K MA111-X
1/50 1
3 1 5 1 5 0 8 9 2
C962
R388 100/16
0 C992 C991
470P 470P
C961 C994 C993
470P 470P
QEZ0723-338 C996
C995
D961
470P 470P
1N5401-F64
C998 C997
470P 470P
D991
D992
RB160M-30-X
D994 D993
RB160M-30-X
D996 D995
Q881
RB160M-30-X
D998 D997
R882
RB160M-30-X
4.7K
RB160M-30-X
RB160M-30-X
D853 RB160M-30-X
RB160M-30-X RB160M-30-X
R978
C952
1K
0.01
D854
RB160M-30-X
CN901
QNZ0611-001
CN951
QGA2501F1-02
Parts are safety assurance parts.
Q901
2SB624/4/-X
When replacing those parts make
C910
0.47
sure to use the specified one.
R906
47K
Q902
UN2211-X
CN952
DIM
QJB005-040909
EFD-IN1
EFD-IN2
EFD-IN3
m
c o
2
8 9 9
4 9 8 2 9 9
SHEET 1