Standard Schematic Diagrams - JVC KD-LH401 Service Manual

Standard schematic diagrams

Main amplifier section
TU1
QAU0203-002
J1
QAM0556-001
L1
4.7u
Q5
2SB624/4/-X
R5 22
R6 22
Q6
2SB624/4/-X
R59
Q7
4.7K
UN2211-X
FM/AM
Q54
2SD601A/QR/-X
R12
D5
39K
SM
MA111-X
R51
470
Q51
SQ 2SD601A/QR/-X
R58
C52 47K
0.1
C54
0.01
Q53
UN2211-X
9V
CN702
QGB2027M4-22S
CD.L
CD.R
Q707
UN2211-X
CDREQ
R800
To CN501
47K
(SHEET 2)
Q706
UN2211-X
R728 0
SI/SO
R730 0 SCK
47K
R773
CD8V
L703
47u
47K
R774
R775 47K
PON C709
0.1
R778
47K
PS
R779 47K
R793 47K
R794 47K
R795 47K
R796 47K
R797
10K
KEY
VDD
Q701
UN2211-X
VSS
QNZ0664-001 QAL0536-001
REMOCON GND
GND REMOCON
SBRST VDD5V VDD5V
VDD5V SBRST
ACC5V 15V
15V ACC5V ACC5V
SBT LEVEL
To CN801
LEVEL SBT
PS2 SBD LEVEL
(SHEET 3)
R710
SBD PS2 PS2
DISPSCK 10V 2.2K
10V DISPSCK DISPCK
DISPCE DISPDATA DISPDA
DISPDATA DISPCE DISPCE
KEYDATA DETACH DETACH
DETACH KEYDATA
CN141
QGA2006C1-04
R141 R151
47K 47K
C141 C151
0.0047 0.0047
C81 4.7/25 R81 10K
C91 4.7/25 R91 10K IC161
TDA7404D-X
TU.L
C161
1/50
TU.R
C181
R162 1K 1/50
CD.L C162
1/50
R182 1K
CD.R C182
R2 1/50
R163 0
27 CH.L C163
1/50
R183 0 C183
CH.R
R1
1/50
47K
C184
LIN.R
1/50
C165
LIN.G
1/50
C164
LIN.L
1/50
R71
1K
Q55
Q57
UN2111-X RDSDA
UN2111-X
GND
Q56
UN2111-X
D241 C243 R245
12K
MA111-X 0.047
Q241
2SD601A/QR/-X
C242
1/50
RDSSCK
R790 47K
R789 47K
R788 47K
R747 0
VOLMUTE R771 330 R745 1K
1K
R772
R741 10K
MUTE 10K
R739
VOLDA R776 1K R737 3.9K
VOLCK R777 1K R735 3.9K
R733 3.9K
SUBM 1K 1K
R780 R732
LPF1 1K 1K
R791 R731
LPF2 R792 1K R729 1K
R727 1K
R785 47K
R726 47K
VPP
1K
R725
R723 1K
R722 1K
R721 10K
R720 4.7K
R798
AMPSW 1K 4.7K
R719
R799
47K
R724 47K
IC701
UPD784217AGC268
R711
47K
D922
MA111-X R713
47K
R763
RESET
100
X1
R704
10M
IC201
M62449FP-X
C214
0.047
Q271
UN2211-X
C212 2.2/50 C232
LPF2
2.2/50
C211 C231
0.0027
0.0027
C210 0.0018 C230 0.0018
C209 0.0068 C229 0.0068
C273
C208 0.0047 C228 0.0047
C274
C207 0.015 C227 0.015
C275
0.012
C206 0.012 C226
C205 0.039 C225 0.039
0.027
C204 0.027 C224
0.1
C203 0.1 C223
LPF1
C202 0.082 C222 0.082
D253
C201 2.2/50 C221
MA111-X
2.2/50
C259
4.7/25 C215
C213 0.047 47/6.3
C216 10/16
SUBM
10K C166 Q252
R166
UN2111-X
R186 10K 10/16
R361
22K
C363
0.1
R187
1K
C361
4.7/25
R197
100K
C371
47/16
R188
1K
C362
4.7/25
R198
100K
C364
0.1
R381
C383
R177
100K
0.1 22K
C372
100/10
R167
1K
C381
4.7/25
R178
100K
C391
47/16
R168
1K
C382
4.7/25
C384
0.1
AMPSW
ILL
IC951
BA6956AN
EFD-OUT1
TEL EFD-OUT2
KICK D951
UDZS3.9B-X
KICK
DETACH
TEL-M
R742 Q951
Q895
UN2211-X UN2211-X
270
C705
R740 0.047
270
BUZZER
DISPCE
TD
DISPCK
DISPDA
RD
BUSI/O
BUSCLK
MUTE
BUSSO
SI/SO
C703
470P
14V
D851
RB160M-30-X
D781
MA111-X
SM
SQ
MRC
L701
47u D901
Q977
2SB709A/QR/-X MA111-X
L702
47u
R806
100K
IC801
HD74HC126FP-X
R801 22K
R802 100K
R804 47K R803
R807
R841 100 330
3.3K
R808
100 J801
QNZ0095-001
BUZZER
Q841
UN2211-X
2-2
FL R331 820
RL R351 820
FR R321 820
RR R341 820
IC271
CD4066BPW-X
R258 R259
C257
5.6K 15K
0.033
C256 2.2/50
0.082
0.027
C272
0.027
0.0056
Q272
UN2211-X
C271 R254
0
0.01
0.0082 C251
C276
0.01
C260
0.1
D981
R363
MA111-X
IC361 33K R308
R981
NJM2160AV-X C365
0 1K
0.0015
C367
RR-
100/10
C369
1/50 RR+
C311
R311
0.47
27K
FR-
R301
C370 C301
27K
C368 1/50 0.47
FR+
100/10
C366
0.0015
R362 R364
22K 33K
Q301
UN2211-X
R383 FL+
D301
33K
IC381
NJM2160AV-X C385 MA111-X
FL-
0.0015
RL+
C387
100/10
C389 C302 RL-
1/50 0.47
R302
27K
C312
C390 R312
0.47
C388 1/50 27K
100/10
C386
0.0015
R382 R384 C961
22K 33K 3300/16
D961
1N5404-TU-15
C962
0.1
D994
RB160M-30-X
D992
RB160M-30-X
Q881 D998
2SD601A/QR/-X RB160M-30-X
R882 D996
4.7K RB160M-30-X
D853
RB160M-30-X
C952
R978
0.01
2.2K
R983
2.2K
D854
CN901
RB160M-30-X
QNZ0650-001
IC901
AN80T07A
CN951
QGA2501F1-02
Q901
2SB624/4/-X
C910
0.47
R906
47K
Parts are safety assurance parts.
Q902
When replacing those parts make
UN2211-X
sure to use the specified one.
L921
4.7U
CN952
DIM QJB005-040909
R925 EFD-IN1
180 EFD-IN2
EFD-IN3
D921
RB160M-30-X
R926
VR921
47K
47K
J321
QNN0490-001
R332 180
R352 180
Q331 Q351
KTD1304-X KTD1304-X
Q341 Q321
KTD1304-X
KTD1304-X
R322 180
R342 180
CN251
QGA2501C1-03
R261 R262
820 180
R263
4.7K
D251
MA111-X
D252
MA111-X
CN981
QGA2006F1-02
IC301
R305 LA47515
0
C309 1/50
C319
0.022
C317 100/16
C318
22/16
C320
0.022
C310
1/50
R306
0
C994 C993
100P 100P
C992 C991
100P 100P
C998
C997
100P 100P
C996 C995
100P 100P
D993
RB160M-30-X
D991
RB160M-30-X
D997
RB160M-30-X
D995
RB160M-30-X
SHEET 1