JVC KD-LH3101 Service Manual page 64

Q Q
Standard schematic diagrams
3 7 6 3 1 5 1 5 0
Main amplifier section
TU1
J1
QNB0100-002
L1
10u
5
Q3 2SB815
R5 22
R4 C10
39k 0.047
R6 22
Q1
2SB815
R29
FM/AM 4.7k
Q24
Q2
2SD601A
UN2211
SM
4
Q21
R21
2SC2412K
SQ
470
C22
R28
47k
0.1
C24
0.01
Q23
UN2211
CN601
T E QGB2027M4-22S
L 1 3 9 4 2 2 9 6 5 1 3
CD.L
A.GND
CD.R
9V
ON5V
Q750
UN2211
3
CDREQ
R991
47K
Q754
UN2211
R992 0
BUSSI/SO
R993 0 BUSCLK
VDD
47k
R986
L753 47u CD8V
47K
R805
R990 47K
C711
0.1
PON
R988
47k
PS
R987 47K
R760 47k
R761 47k
R762 47k
R763 47k
C973 0.01
2
OPEN
R767
10k
S701
QSW0451-001
KEY
R982 47k
R983
Q703
UN2211
VDD5V
R775
2.2K
ACC5V
DISPCK
DISPDA
DISPCE
w w w
LEVEL
DETACH
R774
47k
1
A B
KD-LH3101
CN141
QGA2006F1-04
R161 R261
47k 47k
C161 C261
0.047 0.047
C104 1/50
C102 4.7/25 R101 C204 1/50
C110 1/50
C202 4.7/25 IC911
C210 1/50
TDA7404D-X
R201 C124 1/50
Q201 C224 1/50
C7
TU.L
100/10
TU.R
R129 0R0 1/50
Q101 CD.L
R229 0R0
CD.R
2SD601A 2SD601A
R111 0R0 1/50
R2 CH.L
R211 0R0
CH.R
27
R1 1/50
47k
LIN.R
LIN.L
R51
LIN.G
RDSDA
1k
Q25
UN2111
D193 C193
R194
12k
1SS355 0.047
Q191
2SD601A
RDSSCK
R195
390
C971 0.001
VOLMUTE R754 1k R739
R985 1k R733
R730
MUTE R729
VOLDA R755 1k R737
VOLCK R756 1k R735
R736
SUBM R757 1k R728
LPF1 R758 1k R727
LPF2 R759 1k R726
R725
R794
R793
R724
R723
R722
R721
R720
R719
R984
IC701
R718
1k
R710
10M
X701 X702
x a o
y
Q701
UN2213
. i
C
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KD-LH3101
IC912
M62449FP-X
C917
0.047
C352 10/16
LPF2
C254 10/16
C370 C270
0.0027 0.0027
0.0018 C269
C369 0.0018
C368 C268 0.0068
0.0068
0.0047 C267
C367 0.0047
C366 C265 0.015
0.015
C365 0.012 C275 0.012
C364 C264 0.039
0.039
0.027 C263
C363 0.027
C362 0.1 C272 0.1
0.082 C271
C361 0.082
C351 10/16 C255
10/16
C920 0.047
C929
4.7/25
LPF1
C930 10/16
R216 10k
C131 10/16
R116 10k
R156 C304
0
0.01
C252
C301
4.7/25
4.7/25
C303
47/16
C251
C302
4.7/25
4.7/25
R305
C191 150k
R155
1/50 0
R157 C294
0
100/10
C284
0.01
C151
C281
4.7/25
4.7/25
C283
47/16
Q Q C152
C282
3 7 6
4.7/25
4.7/25
R295
150k
R158
0
ILL
TEL
1k DETACH
Q905
1k
R732 C710 UN2211
10k 270
0.047
R731 Q942 Q941
UN2111 UN2111
10k 270
BUZZER
3.9k MUTE
3.9k
3.9k
1k
BUSI/O
1k
BUSSCK
1k
BUSSO
1k
SI/SO
C709 470P
47k
47k D902
1k SM
CRS03
1k SQ
1k MRC
10k L701 D702 1SS355
4.7k 47u
4.7k
-
L702
VDD5V D704 1SS355 Q903
47u 2SB709A
D703 1SS355
R925
R922 22
R921 22 180
R923 22
R786
IC781 R924 22
100k
HD74HC126FP
R795
14V
3.3k R781 22k
R782 100k
R784
R783 47k
R787
100
330
R788
u 1 6 3
BUZZER
100
Q795
UN2211
Tuner signal Front signal CD-changer signal
CD signal Rear signal AUX IN signal
D E
2-2
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2 4
8 9 9
FL R121 820
RL R122 820
FR R221 820
RR R222 820
Q131
R145
UN2211 C142
R144 15k
C132 0.033 5.6k
2.2/50
C141
0.082
C133 0.027
C135
C134 0.027
0.0056
C136
R141
C140
Q132 0.012
0 0.0068
UN2211
IC131
BU4066BCFV
D991
R303 RL
R997
R951
33k 0R0
FL
IC301 BA3220FV 1K
FR
C307
100/10 RR
FR-
C308
4.7/25 C216
R219 1
FR+
R301
24k RR-
C309 R215 C215
R302
4.7/25 1
24k RR+
C310
100/10
R304
33k
Q951
UN2211
RL+
D951
R293
RL-
33k
1SS355
IC281 BA3220FV
FL+
C287
100/10 R953
10k
C288
FL-
C115
4.7/25
R115 1
R291
24k
C289 R119 C116
4.7/25
R292 1
24k
3 1 5 1 5 0 8 9
C290
100/10
C901
R294
3300/16
33k
D901
1N5404-TU-15
D904 CRS03
R910
Q904
1k
2SD601A
R914
10k
C913
0.1
IC901 HA13164A
Q901
QMFZ047-150-T
UN2111
Q902
UN2211
L922
4.7U
R182
CH.L
0R0
A.GND
m
c o
R282
CH.R
0R0
R926 CN902
QNZ0095-001
47k
.
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Subwoofer signal
F
2
8 9 9
QNN0490-001
R123 180 J121
R124 180
Q121 Q122
2SD1048 2SD1048
2SD1048 Q221
Q222 2SD1048
R223 180
R224 180
R147 R148
820 180
R149
Q133
4.7k
2SC2412K
QAM0464-001
D131
CN131
MA152WK
QGA2006C1-004
IC951
LA47504
R964
0
2.2/50 C969
C952
0.22
C953
100/16
C954
22/16
R965
0
C970
2.2/50
2 4 9 8 2 9 9
C961 100P
C962 100P
C963 100P
C964 100P
C965 100P
C966 100P
C967 100P
C968 100P
CN901
QNZ0112-001
G H