JVC KD-S871R Service Manual page 34

Standard schematic diagram
Receiver & power amplifier circuit
5
TU1
QAU0222-001
J1
L1
QNB0100-002
4.7u
D1
C1 1SS133
5P
C4
220P
0.47/50
R2 1k
R3 1k
C44
C31 0.01
R31 R32
2.2/50
1k 10k
C32
0.001
Q31
2SD601A
Q32
2SD601A
4
R33
1.5k
R43 AMEO
1k FMEO
R41 R42
C41
0.033
3.3k 1k
C42
0.0082
Q41 C43
100/16
2SD601A
Q42
2SC3661
9V
CD.R
GND
CD.L
REST
SW1
SW2
SW3
SW4
LM0
LM1
BUS0
BUS1
3
BUS2
BUS3
BUCK
CCE
RST
CD8V
CP601
VMC0334-001
DETACH
ILL10V
ACC5V
REMOCON
LED_R
LED_B
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
2 C719
0.1
R804
R801
100k
R802
100k
R810
100
CH.L
GND
C801
SI
0.01
CONT+B
CH.R
MEM-IN
J801
QNZ0095-001
1
A B
C77
0.022
COMP.OUT
C189 1/50 R187 10k C191
C169 1/50 R167 10k 1/50
Q181
2SD601A C171
Q2 1/50
C3
D2 2SD601A
0.1/50
1SS133
C2
10p
Q161
2SD601A C173
C5 C6
C8 0.1
0.047 0.01
Q3 Q174
R4 UN2111
UN2111 B174
22k
0
Q43
UN2211
D161
Q4
Q162
2SB709A UN2111
1SS355-X
MONO C10
IFC 0.001
C75
560P
SD/ST C74
47/10
OSC
C73
0.01
Q5
2SB815
R7 C72
47P
Q7
4.7k
UN2211
R8
C71
FM/AM
47k 82P IC71
SAA6579T-X
SQ
Q751 R751
UN2211
C718
10k
0.01
R52
15k
R51 R54
R56 D241
470 10k
Q52 47k
2SD601A
C53
C54
0.1 0.01
R58
47k
R53 R55
10k
2.2k
Q53
UN2211
R730
100K
R725
100K
MONO
C720 SEEK/STP R706
0.1
FM/AM 10K
AFCK
C721
0.1
VDD
C770
10k SI
0.01
SO
I/O
VSS
SCK
R726 47k
R805
100 R727 47K
47k
R728
R729 47k
IC801
HD74HC126FP-X
C
R161
R162
22k C166
220k
C163 0.0056
0.15
C165
C161 0.033
1/50
CH.L C168
4.7/50
CD.L C164
C167
0.22/50
4.7/50
IC161
TEA6320T-X
C188
4.7/50
C187
CD.R
4.7/50
CH.R
C76
C183
2.2/50
0.15
C911
47/10 C933
0.01
R183
2.2k
9V
C712
68p
1SS133
R244
C242
12k
0.047
1SS133
R243
100
C244
1/50
2SD601A
Q241
L701
R164 R184
3.3K 3.3K 4.7u
CD8V
ILL10V
CONT+B C708
ACC5V 100/6.3
R747
Q781
47k
UN2111
C707
LM1 0.01
LM0 R701
1k
R702
1.2k
47k
R750
VPP
RESET S701
R753
R737
100
47k
R740
TEL_MUTE
47k FMEO
AMEO
UN2211
C776
C706 C713
0.01
470p
100/6.3
OSC
IFC
X1 R739
47k
SD/ST
C701
22p
R722
0 C702
X701 22p
QAX0406-002Z C703
0.1
C704
0.1
MEM-IN
R708
47k
R707
47k
UPD178078GF-540
4.7k R721
4.7k R720
4.7k R719
C709
0.01
D E
IC301
LA4743K
R351
27k
C331
R331
27k
R341
27k
R321 C321
27k
R310
4.7k
R332 820 R342
1k
R322 820 R352 1k
1SS355-X 1SS355-X
R323 R353
D321
D351
Q321
2.2k
2.2k
2SD104B
R343
D331 2.2k
D341
1SS355-X
1SS355-X
Q341
R333
Q331
2.2k 2SD1048
2SD104B
Q783
UN2111
D782
R907
47( 1/4W)
IC961
Q782 HA13164A R978
UN2211
12K
C783 Q977 D910
2SB709A CRS03-W
0.082
Q976
UN2211
R902
C312 C311
0.047
0.047
0
1SS355-X
D901
C915
C904
10/16
220/10
C901 C902 C903
C781
220/6.3
220/10 0.1 22/16
Q901
2SB709A R902
47k
R901
2.2K
Q891
Q902
UN2213
C891
0.047
IC701
F
KD-S871R
C351
2.2/50
2.2/50
C914
4.7/25
C393
C310
C341 C392
10/16
2.2/50 0.1
0.1
C391
C394
2.2/50 0.1
0.1
CRS03
D994
D993 CRS03
D992
CRS03
D991
CRS03
D997 CRS03
D998 CRS03
D995 CRS03
D996 CRS03
D911
1N5401-TU
C908
C304 100p
2200/16
C303 100p
L961
QQR0703-001
100p
C302
C301 100p
100p
C307
C308 100p
100p
C305
D912
C909
0.1 100p
C306
CRS03-W
J301
QNN0175-001
CP961
QNZ0112-001
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Tuner signal
CD signal
Front signal
Rear signal
G
2-3