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JVC KD-LH70R Service Manual page 52

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Q Q
3 7 6 3 1 5 1 5 0
Standard schematic diagrams
Main amplifier section
TU1
QAU0292-001
J1
QNB0100-002
L1
B1
5
4.7
0
D1 D2
C1
C2
C30
C39
C29
0.01
1000P
0.01
R38
R39
100
0
10/16
C36
7P
C38
1000P
Q6
IC31
2SB624/4/-X
TB2118F-X
C37
C35
10P
10P
2.2K
R37
PLLCE
2.2K
R36
PLLDA
2.2K
R35
PLLCL
2.2K
R34
PLLDI
4
SD/ST
C46
0.01
C47
0.01
R43
R44
SQ
470
220
C50
R32
100P
6.2K
Q31
C34
C33
0.047
47/6.3
UN2211-X
CD.L-CH
GND
GND
CD.R-CH
9V
ON5V
T E
L
1 3 9 4 2 2 9 6 5 1 3
R786
0
CDMUTE
CDREQ
3
CDRESET
B.DET
BZ841
P.DET
QAN0023-001Z
Q701
Q702
Q703
BUSSI/SO
UN2211-X
UN2211-X
UN2211-X
BUSCLK
VDD5V
CD8V
Q841
UN2211-X
UN2211-X
REMOCON
ACC5V
10V
ENC1
2
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
GND
CONT+B
R806
R805
CH.R
100k
AGND
J801
CH.L
QNZ0095-001
R804
22K
B802
R803
w w w
0
100
C802
0.01
1
B801
0
IC801
HD74HC126FP-X
A
B
KD-LH70R
C81
1/50
C91
1/50
1/50
C5
R81
6.8k
R91
6.8k
2SD601A/R/-X
Q2
C92
820P
R92
R82
27k
27k
C6
C3
Q5
C11
R3
Q91
Q81
4.7k
2SD601A/R/-X
2SD601A/R/-X
2SB709A/R/-X
R11
10K
Q3
UN2111-X
C83
0.1
C9
Q9
UN2111-X
R5
47K
R12
Q4
0
D3
UN2111-X
1SS355-X
R6
47k
C71
Q7
560P
UN2211-X
3.3K
R4
R1
C77
47/6.3
C72
C76
0.022
R2
47K
0.01
C75
47P
R57
R71
15k
2.2k
R54
R53
2.2/50
10k
47k
R58
C54
470
0.1
C74
82P
R72
R73
C52
X71
2.2k
2.2k
0.01
IC71
R8
QAX0263-001Z
10K
SAA6579T-X
C55
R56
10k
0.47/50
Q52
Q51
2SC2412K/R/-X
2SC2412K/R/-X
R758
47K
R780
R781
47k
47k
UN2211-X
Q704
Q705
VSS
POWER
IC701
UPD784215AGC210
R720
1.2K
R719
0
C706
VDD
0.047
VOLDA
VOLCL
SUBWMUTE
R768
47K
R767
47K
R760
47K
47K
R759
R714
10K
10k
BUSSI/SO
VPP
BUSSO
I/O
R807
100K
R808
330
BUSINT
BUSSCK
R809
22k
x
a o
R810
X1
y
100
C804
C801
22P
0.047
X701
.
i
X702
QAX0617-001Z
QAX0401-001
C
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KD-LH70R
RB160M-30-X
220
D243
R248
C243
0.047
R245
47
C242
22/16
D244
UDZS5.1B-X
2SD601A/R/-X
C82
820P
IC161
R787
TDA7404D-X
10K
C173
1/50
C182
0.01
C163
1/50
TU.L
C172
1/50
C181
100/16
R161
TU.R
C162
1/50
2.2K
VOLDA
C171
1/50
R162
2.2K
CH.L
VOLCL
C161
1/50
R163
CH.R
270K
R164
0
C73
CD.L-CH
R165
10K
SWLR
CD.R-CH
R166
10K
C179
47/16
Q
Q
3
7
6
S702
QSW0451-001
L701
4.7
R729
47K
IC771
BR24C32F-X
C711
C713
0.01
C771
0.047
R731
R730
47K
10K
S701
QSW0451-001
R732
10K
R733
10k
BUZZER
R734
2.2K
LCDCE
R735
2.2K
LCDCL
R736
2.2K
LCDDA
R737
0
I/O
R738
4.7K
BUSSCK
R739
4.7K
BUSSO
R740
4.7K
BUSSI/SO
RD
TD
R741
10K
SM
R742
10K
SQ
LEVEL
R743
10K
KEY2
R744
10K
KEY1
R745
10K
KEY0
R746
10K
ENC2
4.7K
R747
4.7K
R748
4.7K
R749
R766
47K
2SA1037AK/RS/-X
Q977
RESET
S703
QSW0534-001
R764
100
D713
u 1 6 3
UDZS5.6B-X
R891
R892
1K
47K
R757
R756
C710
TELMUTE
2.2K
47K
47/6.3
Q891
C891
UN2211-X
0.1
1SS355-X
IC702
IC-PST600M/G/-W
D
E
2-2
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2
4
8
9
9
R244
12k
R243
180k
C241
1/50
R242
R241
22k
47k
Q241
R311
27K
R312
27K
R313
R178
0
R177
0
R303
R301
27K
R302
27K
R342
820
R352
820
D351
1SS355-X
R351
2.2k
R341
2.2k
D341
R168
0
1SS355-X
R167
0
D321
1SS355-X
R321
2.2k
R331
2.2k
D331
1SS355-X
R322
820
R332
820
C724
R254
0.1
470K
C782
C253
0.082
10/16
0.039
R782
C252
R783
UN2111-X
C257
47K
Q784
R253
47/6.3
10K
UN2111-X
Q781
3
1
5
1
5
0
8
9
R784
47K
100K
47/16
C251
0.01
D782
C255
0.01
1SS355-X
C784
Q782
C256
100/16
UN2211-X
D784
UDZS11B-X
D781
C781
1SS355-X
100/6.3
C902
2.2/50
100K
R256
R901
C254
8.2K
10K
0.082
1K
R258
R257
C261
10/16
R261
C273
100P
820
C272
100P
D251
UDZS4.7B-X
C271
0.047
D271
2.2K
R272
1SS355-X
R271
100
SUBWMUTE
D272
Q271
R273
1SS355-X
2SD1781K/QR/-X
100
D402
R401
1SS355-X
2.2K
0
C401
100P
B401
D401
IC901
HA13164A
UDZS6.2B-X
D902
1SS355-X
m
c o
R881
47k
.
R882
4.7K
DIMMER
Q881
UN2211-X
F
2
8
9
9
IC301
LA47505
C311
0.33
C312
0.33
R314
R304
C301
0.33
C302
0.33
C316
47/6.3
0.1
C322
0.1
C323
0.1
C324
0.1
C325
D991
RB160M-30-X
D992
RB160M-30-X
D993
RB160M-30-X
D994
RB160M-30-X
D995
RB160M-30-X
D996
RB160M-30-X
D997
RB160M-30-X
D998
RB160M-30-X
100P
C961
100P
C962
100P
C963
100P
C964
100P
C965
100P
C966
100P
C967
100P
C968
D901
1N5401-F64
C901
2
4
9
8
2
9
9
3300/16V
D972
RB160M-30-X
D971
RB160M-30-X
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner signal
Rear signal
CD signal
CD-changer signal
Front signal
G
H

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