Kenwood KDC-V7090R, Service Manual

Page: 10 / 22

A B C D E F G I H
1
2
3
4
5
6
7
R45
R39
22K
R11
+
R9
C9 100u10
VREF VIN
R4 2.2K
C2 2200P
R3
C4
10u10
220u16
C6 100u6.3
+
C3
+
C5
22K
R1
100
R2
+
IC3
GND
4.3K
R7
220u10
C8
+
Q9
Q7,8
1.5K
1K
100K
R20
Q15
C1 3300u16
+
Q1,2
220
R5
R16
0.01 C20
R17
47K
C21
0.022
24K
15K
R6
R8
1
C7
27
C22
+
1u50
25
15
1K
R38
1/2W
R37 4.7K
3.3u25
C34
R33 4.7K
4
3
W5
SC CON MC CLK
ILLMUG
ILL+B
MC REQ D
A
T
A
I/O
SC REQ
RST
R233 R234 R236 R235 R237
1
2 4
5 3
6
7
470
1K
4.7K
470
1K
REMO P RST
NC
DGND
VDD
∗
R239
10 8
9 11
12
13
1K
99 65 97 98 64
47K
R231
93
11
R43
5.6K
R47 18K
Q26-29
1/2W
28
C39 0.01
1
2 3 4
100K
0.068
C36
+
0.1u50
R40 1K
R42
12K
1000P
C37
+
C35
R41
12K
0.01 C48
14 13 12
R46
C38
47K
0.01
3.3K
1/2W
11
12
5 6 7
10 9 8
1u50
C115
+
R204 R203
47K
0.47u50
C113
+
FR RR
9
19
2
FL
Q37-40
6.2K
R202
R201
100
FL
RL
1.5K
TH1
10u16
+
360
R161
13
FRA
RRA
FRB
RRB
C120
0.22u50
C118
0.22u50
+
10K
R206
10K
R208
22u16
C114
8
TA
B
GND2 OUT2- STBY OUT2+ VCC2 OUT1-
1
2 3 5 6 7 4
IN1 IN2 OUT1+ RIP GND1
9
10
11
12
C119
0.22u50 0.22u50
C117
RLA
10K
R205
10K
R207
FLA
RLB
FLB
22K 22K
OUT4+ IN4 IN3 A
UX IN
OUT3+ GND3 OUT3- VCC1 PRE-GND
14 15 16 17 18 19 20
21
CD MUTE OUT4- GND4
22 23 24 25
180
R169 R170
Rch Rch Lch GND B.
U
.
GND
RRA FRA RRB FRB RLB FLA
FLB
RLA
560
15 14
R13
10K 10K
R19
R15
1K
Q11
10
REAR Lch-
FR
ONT Lch+
REAR Lch+
FR
ONT Lch-
8 7
9
FR
ONT Rch-
REAR Rch-
FR
ONT Rch+
REAR Rch+
AC
C
PHONE
P-CON
EXT CONT
P-ANT
GND
ILLUM
3
4
2
3 2 6 5 4
13 11 12 14 15
1
16
2 1
C12 0.1 C11 0.1
2 1 3 4
FR
10u16
+
360
R162
Q32,33
180
Rch Lch A GND Lch GND
5 6
+ + +
0.47u50
C67
0.47u50
C68
47u6.3
C69
4.7
10
R157 R155
10
R156
2 3 1
52-71
MODEL
NAME
UNIT
No.
KDC-V7090RY
1
3
2
R14
F1 10A
MUT
MUT
L1
VDD
GND
W100
0.047F5.5
+
30
0.1
C116
31
31
4.7K
R230
KDC-V7090R
KDC-7090R
KDC-7090RY
62-70
62-71
52-72
X86-3242-70
A1
22K
14
+
360
R163
360
R164
RL RR
10u16
+
10u16
22K 22K
180
R171
180
R172
1 2 3 4 5 6 7 8 9 10 11 12 13 14
VREF
CREF
L
R
CDR CDG
CDL
PH-
AFS
AM
MPX
LEVEL
MPIN
MPOUT
28 27 26 25 24 23 22
21
20 19 18 17 16 15
A
COUTL
A
COUTR
OUT FL OUT FR OUT RL OUT RR VDD GND SD
A
SCL SMUTE QU
A
L
OUTR OUTL
2.2u50
+
C63
0.47u50
+
C65 C66
0.47u50
+
4 8
47u10
C61
+
0.01
C62
1K
R158
C72 0.033
C70 0.47
4.7K
R150
10K
R151
C73 0.01
C71 150P
R152
4.7K
C75 0.1 C74 0.1
0.047 C123 0.047
C121
0.047 C122 0.047 C124
20
52
0.047 0.047 C128 C126 0.047 C127 0.047 C125
10K
R200
4.7uH
L4
C200
W32
R10
2.2
(L CE)
(L CLK)
(L D
A
T
A
L)
(L D
A
T
AS)
(NC)
(DIMMER)
1K
R238
17
R240
1K
10
100
21
FL FR RL RR
R165 R166 R168 R167
C93 C94 C95 C96
11
13
79
4.7K
R159
4.7uH
L6
X86-3242-70
X86-3342-71
X86-3342-71
YES
YES
NO
NO
C161 IC1
UPD703033GC052
UPD703033GC053
UPD703033GC052
UPD703033GC053
YES
NO
YES
NO
R51
YES
NO
NO
R52
YES
NO
YES
YES
NO
R53
YES
YES
NO
99,239
R71,83,
NO
YES
YES
NO
NO
R97,
98,101
W6,
7
YES
NO
NO
YES
0.047
∗
C161
SD
A
SCL
RL+ RL-
FL+ FL-
RR+ FR+ FR- RR-
5 7
5 7
6 8
6 8
GND
ILLUMI
16
YEL
1
BLK
1 3
3
4
B
1
2
4
A
2
BU
WHT
GRY/BLK
WHT/BLK
GRY
BLU/WHT
BLU/WHT
REV
10 7 RL-
EXT. CONT.
13 4
ORG/WHT
TEL MUTE
3 14
15 2
BRN
VIOL/BLK
PNK/BLK
RR+
RR-
VIOL
12 5
11 6
GRN/BLK
RL+
GRN
9 8
FL-
ANT CON
P.CON
FR+
FR-
FL+
AFS
24
R48
22K
R44
22K
26
74
0.01
2200P
C151
2200P
C152
0.015
C76
C153 0.022
22K 22K
22K
22K
47K
47K
47K
22K
22K
47K
22K
22K
47K
47K
47K
10K
22K
22K
22K 22K
47K
2.2K
47K
47K
4.7K 4.7K 4.7K 4.7K
47K
47K
22K
22K
D3
Q5
SW5V
A8V
A.V.R
Q8
SERVO +B
SW14V
D4
Q13
Q4
D2
D1
B.U.5V
Q2
Q1
Q3
DETECT SW
SMALL LAMP
Q6
Q9
Q7
Q11
Q10
Q15
D11
D12
D14 Q26
CN6
ILL +B
Q12
PAN 5V
Q51
SW
DETECT
ACC
DETECT
SW
Q29
P-CON SW
B.U.
Q30
CIRCUIT
Q31
MUTE
LOGIC
Q27
Q28
D17
MUTE
AUDIO
PRE MUTE
D36 D35 D34 D33
POWER AMP
D41 D40 D39 D38
Q37 Q38
Q14
EXT.AMP
CON.SW
J1
CN2 CN1
Q32 Q33
MUTE
E-VOL
CN4
(X25-87XX-XX)
GND LINE
SIGNAL LINE
D7
D8
D5
CORD
RCA
REAR FRONT
SP OUT/DC IN
CH-IN
D15
D29 D27 D28
D32 D30 D31
Q39 Q40
D25 D26
Q50
D63
D64
D61
D62
Q35
Q36
E-VOL
D16
IC3
IC8
IC4
(X25-87XX-XX)
IC2
KDC-V7090R/7090R/V7090RY/7090RY
(E30-4942-05)
DC CORD
S-80837ANNP
S-80837ANNP
S-80837ANNP
IC16
S-80842ANNP
S-80842ANNP
S-80842ANNP
S-80837ANNP S-80842ANNP
IC16
for Flash u-COM for Mask u-COM
7.6V
5.0V
7.6V
14.4V
7.6V
0V
7.6V
9.0V
1.4V 0V
1.4V
0V
7.6V
14.4V
7.6V 0V
0V
0V
13.8V
1.25V
0V
7.6V 1.4V
4.1V 7.6V
5.0V 5.0V
0V
4.1V 4.1V 4.1V 4.1V 4.1V
4.1V
5.0V
4.1V 4.2V 4.2V 4.9V
4.1V 4.1V 4.1V 4.1V 8.3V 3.6V
0-5.0V
0V
5.0V
0V
0V
0V
5.0V
0V
5.0V 5.0V
4.1V
0V
B LINE
2SB1184
C
E
B
2SB1548
E
C
B
2SB1277
C E
B
DTA123JK
DTA144EUA
DTC114YUA
DTC143TUA
2SA1362
2SA1576A
2SC2412K
2SD2114K
B
C
E
2SC4081
B
C
E
DTA124EUA
DTC124EUA
DTC144EUA
IN
GND
OUT
TA78L05F
CAUTION:For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer
to, parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance
measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance
is returned to the customer.