JVC KD-S891R Service Manual page 34

Q Q
Standard schematic diagrams 3 7 6 3 1 5 1 5 0
Main amplifier section
TU1
QAU0292-001
J1 L1
B1
5
4.7u
0
C36
7p
2SB624/4/-X
IC31
TB2118F-X C37
C35
10p
10p
R7
4.7k
PLLCE 2.2k
R37
PLLDA 2.2k
R36
PLLCL 2.2k
R35
PLLDI 2.2k
R34
4
C46 0.01
C47 0.01
10
R43 R44
470 220
C32 C50
47p 100p
R32
6.2k
Q31
C34 C33
0.047 47/6.3
UN2211-X
9V
CD.R
A-GND
CD.L
PSW
SW1
15k R53
SW2
T E 47k
R57
L 1 3 9 4 2 2 9 6 5 1 3 R54
LM0
R58 470
10k
LM1
C54
BUS0
0.1
BUS1
C52
BUS2 0.01
BUS3
3 BUCK
CCE 10k
C55
R56
0.47/50
RST
CD8V
MP3REQ
MP3RESET
MP3STBY
MP3DIN
MP3DOUT
MP3CLK
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
CDRW
SW5V
VDD5V
CDON
DETACH
10V
ACC5V
REMOCON
ENC1
ENC2
2
DIMMER
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
0.1 0.1 0.1
CN701
VMC0334-001
R806 10k
R805
100k
CH.L
A-GND
CH.R
R804
22k
CH.SCK
R803
w w w
100
1
IC801
HD74HC126FP-X
J801
QNZ0095-001
A B
KD-S891R
1/50 C81 R81
8.2K
1/50 C91 R91 8.2K
Q91 Q81
Q2
2SD601A/R/-X 2SD601A/R/-X
2SD601A/R/-X
Q5
2SB709A/R/-X
R8
10k
Q6
47k
R5
R6
C71
47k
UN2111-X
Q7 560p
Q84
UN2211-X
C77
47/6.3
C72
C76 0.01 0.022
C75
47p
C73 C78
C49
2.2/50
0.001 0.01
C74
82p
Q1 IC71
2SD601A/R/-X
SAA6579T-X
R59
47k
SM
R758
47k
VSS
R720 1.2k
R719 0
C706 VDD
0.047
VOLDA
VOLCL
R709 47k
CDON
VPP
IC701
UPD784217AGC199
R760 47k
R759 47k
BUCK R716 0
CCE R715 0
RST
R714 10k
BUS0 R713 0
BUS1 R712 0
BUS2 R711 0
BUS3 R710 0
CDRW R708 3.3k
SI
SI SO
SO
I/O
R707 47k
R706 47k
R807
R704 47k
100K
R705
R808 INT 47k
330 SCK
R809
22k
x a o
X1
y
R810
100
SCK
X701
R801
C801
. 47k i
0.047
X702
QAX0617-001Z QAX0401-001
C
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KD-S891R
R248 RB160M-30-X
220 R244
D243 C243
12k
0.047
R245
47
R242
22k
C242
22/16
Q241
2SD601A/R/-X
R161 D240
220k 1SS355-X
TU.R
220k
1SS355-X
R171
TU.L 2.2k D241
R173
R172
22k
C178
CH.L C173 0.0056
1/50
C179
C177
0.033
C174 C175
C172 1/50
0.0082 0.18
C180
C176
CD.L C171 1/50 0.22
R181
IC161
TEA6320T-X
R182
CD.R
C161 1/50
C166
C170
C162 1/50
0.22
C169
C167
CH.R C163 0.033
1/50
C164 C165
C168
0.0082 0.18
0.0056
C191 C192
R162
47/16 100/10 22k C194 C193
0.082 100/10
R163
2.2k
A-GND
Q Q
3 7 6
C920
0.01
4.7u
L701
C711
220/10
IC771
BR24L16F-W-X
C713
0.1
D781
1SS355-X
C771
0.047
R732
10K
R734 2.2k LCDCE
R735 2.2k LCDCL DIMIN
R736 2.2k LCDDA
R737 0 I/O
C707
R738 4.7k SCK
0.047
R739 4.7k SO
R740 4.7k SI
R891
1k
TD RD
R892
47k
R741 10k SM
TELMUTE
R742 SQ
47k
LEVEL
R743 10k
KEY2
R744 10k
KEY1
R745 10k
Q891
KEY0
R746 UN2211-X
ENC2
10k C891
0.1
4.7k
R747
4.7k R748
R749
4.7k
R765 0
u 1 6 3
C712
0.01
.
IC702
IC-PST600M/G/-W
RESET
R757
R756
C710 2.2k
47k
47/6.3
D E
2-2
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2 4
8 9 9
R243
180k
C241
1/50
R241
IC301
47k
LA4743K
LEVEL
27k
C312
R312 0.33
OUTFL
OUTRL
R311
0.33
27k C311
4.7/25
4.7/25
R301 C301
270 VOLDA 27k 0.33
R302
0.33
27k
C302
R342 820
R352
820
R351
D351
1SS355-X
2.2k
270 VOLCL
R341
4.7/25 OUTRR
2.2k
D341
4.7/25 OUTFR 1SS355-X
D321
1SS355-X
R321
2.2k
R331
D331
2.2k
1SS355-X
R322
820
R332 820
Q977
2SB709A/R/-X
R977
R979
12k
51k
3 1 5 1 5 0 8 9 2
0
D782
1SS355-X
R978
Q782
UN2211-X
IC901
AN80T07
D902
1SS355-X
0.1
100/16
R881
47k
QNN0489-001
R851 C852
D851 10k 0.01
Q881
UN2211-X
R882
C881 4.7k
C851
D852
10/16
RB160M-30-X
m
c o
F
2
8 9 9
C316
4.7/25
0.1 C322
0.1 C323
0.1 C324
0.1 C325
RB160M-30-X 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
100P C961
100P C962
100P C963
100P C964
100P C965
100P C966
C967
100P
100P C968
1N5401-F64
D901
4 9 8 2 9 9
C901
2200/16
R901
1k
RB160M-30-X
D971
RB160M-30-X
F1
QMFZ047-150-T
J321
Tuner signal Front signal
Rear signal
CD signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
G H