JVC KDS-73, KDS-73-R Schematic
http://servis-manual.com/
Standard schematic diagrams
Main amplifier section
C1
5P
C31
C32
1000P
Q31
UDZS6.2B-X
D702
Q8
C41
0.12
UDZS6.2B-X
D703
L1
4.7u
R31
1k
C42
0.012
UDZS6.2B-X
D704
QAU0292-001
D1
1SS355-X
C12
R41
3.3K
2SC3661-X
0.47/50
UDZS6.2B-X
UDZS6.2B-X
D705
TU1
D2
C2
C3
150P
R42
Q42
D708
R32
10k
1k
R51
470
UDZS6.2B-X
0.047
1k
C43
100/16
D709
1k
UDZS6.2B-X
D701
R44
ILL10V
0.47/50
33
SW5V
C711
0.1
C714
0.33
UDZS6.2B-X
C11
Q4
2SB709A/R/-X
1SS355-X
R52
15k
Q52
2SD601A/R/-X
R53
10k
1SS355-X
0.1
R35
Q32
2SD601A/R/-X
R45
Q41
2SC3661-X
SQ
C51
UDZS6.2B-X
D706
D707
5
J1
QNB0100-002
2SD601A/R/-X
2SD601A/R/-X
2.2/50
4
R33
1.5k
R43
1k
AMEO
FMEO
9V
CD-R
CD-L
PSW
SW1
SW2
LM
To
CD servo
control section
3
MSW
CDON
CD-RW
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
SW5V
CD8V
GND
VMC0334-001
To
LCD & Key control
section CJ601
CN701
DETACH
ILL10V
ACC5V
REMOCON
ENC1
ENC2
LCDCL
LCDDA
LCDCE
KEY0
KEY1
KEY2
2
CN702
QAM0461-001
QGA2006F1-02
KD-S73R/KD-S71R
C13
C186
C79
2SD601A/R/-X
R243
REMOCON
R734
10k
10k
R717
R718
SQ
1/50
C185
1/50
1/50
CD.L
CH.L
CD.R
9V
12k
R245
180k
C244
1/50
100
22k
R246
C243
22/16
SW1
R730
100k
R754
47k
4.7k
R729
RESET
4.7k
R719
4.7k
R720
R721
4.7k
BUS1
Q2
1SS355-X
D71
AFCK
BUS0
R3
0
C72
47P
C71
82P
Q7
UN2211-X
MSW
CCE
BUCK
0
R739
UPD178078GF-593
SDA
SCL
R91
R81
47/6.3
0.01
R705
C74
C73
X71
LM
2.2k
LCDDA
Q74
C78
0.1
UN2111-X
R77
R738
Q71
0
IC701
LCDCL
10k
10k
R76
2SD601A/R/-X
100
R71
QAX0263-001Z
CD-RW
MSW
R706
2.2k
R707
I/O
2.2k
R72
RDSSCK
4.7k
LCDCE
2SD601A/R/-X
Q73
1500P
18K
R82
0
R74
SAA6579T-X
2.2k
LM
R708
2.2k
SW2
PSW
LEVEL
Q72
UN2111-X
IC71
0.015
C241
CDON
18K
C93
R737
R75
4.7k4.7k
10k
R711
ENC1
D241
1SS133
220K
R241
47k
10k
R712
ENC2
R92
C75
560P
C242 R244
0.047
1SS133
D242
MUTE
1.2k
R736
10k
10k
10k
R713
R714
R715
KEY0
KEY1
KEY2
1500P
0.01
C76
0.022
C77
2.2/50
2.2k
R73
RDSDA
Q241
R242
1k
CTRL
TEL-MUTE
1k
R735
10k
R716
SM
LEVEL
C83
1/50
C94
1/50
R1
100
1000P
Q5
47k
R7
4.7k
2SD601A/R/-X
VDD
1000P
C81
C91
C7
10p
R8
8.2( 1/8W)
1000P
C9
C8
R10
220/10
9V
IFC
OSC
SK/ST1
R56
47k
C54
0.01
C55
330p
R59
47k
R57
SK/STP
R744
10K
C713
UNLOCK
0.01
VSS
22K
R750
100p
220/10
C5
C4
C6
10/16
R2
10k
R6
47k
2SB624/4/-X
D3
D4
1SS355-X
Q6
UN2211-X
R9
3.3k
FM/AM
R54
10k
Q51
C53
0.1
R55
2.2k
C52
4700p
RDSSCK
MONO
SK/ST1
FM/AM
C712
AFCK
0.1
RDSDA
C701
100P
C84
C10
1/50
C82
0.012
2SD601A/R/-X
C92
Q1
0.012
R4
4.7k
UN2211-X
Q3
UN2111-X
R11
10k
SD/ST
MONO
SW5V
SK/STP
R58
47k
22k
Q53
UN2211-X
SM
PS2
RST
BUS2
BUS3
ACC5V
DETACH
R740
100K
10K
R741
R742
47k
R743
47k
2.2K
4.7k
4.7k
R751
R709
R710
4.7k
R702
R703
R704
47k
47K
INT
SISOSCK
220P
R162
22k
C184
1/50
C183
C182
1/50
C181
1/50
220k
R161
D161
1SS355-X
CH.R
47k
R247
R753
47k47k
R733
47k
VPP
R728
R727
R726
47k
R725
47k
10K
R752
X701
R724
0
QAX0406-002Z
C705
R723
47k
R722
47k
R755
47K
C162
8200P
C172
8200P
C191
220k
R171
47/16
C192
100/10
D171
1SS355-X
POWER
47k
10K
X1
33P
C708
22p
C707
C706
0.1
0.1
C702
0.01
KD-S73R/KD-S71R
R163
2.2k
C163
0.18
C166
5600P
C165
0.033
0.22
C164
IC161
TEA6320T-X
0.22
C174
C175
0.033
C176
5600P
C173
0.18
22k
R172
R173
2.2k
R5
C704
100/10
C703
0.01
R174
R164
270
270
SDA
SCL
R184
4.7K
TEL-MUTE
FMEO
AMEO
OSC
IFC
SD/ST
47k
SW5V
ACC5V
9V
CTRL
CD8V
ILL10V
PS2
R194
4.7K
R891
47k
1SS355-X
Q891
UN2211-X
C709
100/10
0.01
C710
L701
4.7u
Q902
UN2211-X
C167
4.7/50
C177
4.7/50
100/16
C193
D891
L702
4.7u
2SA1037AK/RS/-X
QNN0519-001
J301
1SS355-X
SI
R342
100( 1/10W)
Q351
R353
R341
2.2k2.2k
820( 1/10W)
2SD1781K/QR/-X
D341
D321
1SS355-X
C332
C331
390P
C341
390P
R178
27k
UN2211-X
R801
100/16
C910
0.33
R168
27k
C351
390P
C321
390P
C322
0.33
1K
R782
C784
4.7/25
Q782
SO
R802
100k
100k
R810
100
R803
100k
0.01
220/10
22/16
C915
47/16
C911
C914
C912
C913
0.01
0.33
C352
C342
0.33
27k
R781
D782
1SS355-X
C783
0.22
C802
0.047
C903
47/16
0.1
0.1
C909
C908
C344
C333
0.047
IC801
HD74HC126FP-X
0.047
POWER
R301
4.7k
IC301
LA4743K
10/16
C301
C310 C311
0.1 0.1
QQR1378-001
R901
1k( 1/4W)
C309
0.1
RL-
0.1
C308
C302
C303
0.022
47/16
I/O
R808
100k
R804
10k
R806
22k
R805
100
R809
R807
100k
100k
L901
D902
RB160M-30-X
2.2K( 1/8W)
2.2K( 1/8W)
RR-
QMFZ047-150-T
22/16
C305
C304
C306
100/16
0.022
SCK
INT
D901
1N5401-F64
C901
2200/16
C902
R903
FL-
FR+
FR-
RL-
RR+
J801
QNZ0095-001
0.1
RB160M-30-X
D903
R902
RL+
FL+
RL+
FL-
FL+
C312
C313
C314
C315
100P
100P
100P
100P
C319
100P
100P
C318
FR+
FR-
C317
100P
100P
C316
RR+
RR-
CH.L
A-GND
CH.R
CP961
QNZ0112-001
QAM0158-001
R332
100( 1/10W)
R331
NOT USE
C168
4.7/50
C178
4.7/50
R191
10( 1/8W)
C194
0.01
MUTE
Q781
UN2111-X
D781
1SS355-X
R892
1k
D892
1SS355-X
C891
0.1
Q901
R906
8.2K( 1/10W)
R907
20k
C904
220/10
Q321
820( 1/10W)
9V
C781
220/10
C782
22/16
C905
220/10
R323
2.2k 2.2k
2SD1781K/QR/-X
D904
1SS355-X
10/16
100( 1/10W)
R333
820( 1/10W)
R165
R175
C906
R322
R321
47k
47k
Q783
UN2111-X
D783
UDZS11B-X
Q331
2SD1781K/QR/-X
47k
R166
47k
R176
R352
100( 1/10W)
C907
2.2/50
Q341
R343
2SD1781K/QR/-X
R351
820( 1/10W)
R167
27k
R177
27k
IC901
HA13164A
R904
9.1k
R905
4.7k
1
Tuner signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-2
CD signal
Front signal
Rear signal
HAB C DE FG
Loading...