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A
B
2SB1184
GRN
RL+
1
GRN/BLK
RL-
VIOL/BLK
RR-
VIOL
RR+
PNK/BLK
EXT. CONT.
BRN
TEL MUTE
ORG/WHT
2SB1548
YEL
ILLUMI
2
2SB1277
DC CORD
(E30-4942-05)
KDC-V7090R/7090R/V7090RY/7090RY
DTA123JK
3
DTA144EUA
DTC114YUA
DTC143TUA
2SA1362
2SA1576A
2SC2412K
2SD2114K
B
E
4
C
2SC4081
5
DTA124EUA
DTC124EUA
DTC144EUA
6
TA78L05F
7
C
D
J1
9
10
11
12
13
14
15
WHT
8
7
6
5
4
3
2
9 8
FL+
WHT/BLK
10 7
FL-
GRY/BLK
11 6
FR-
GRY
12 5
FR+
BLU/WHT
13 4
ANT CON
BLU/WHT
P.CON
14
3
Q14
REV
15 2
2.2K
BLK
16
1
47K
IC4
POWER AMP
0V
5.0V
8
6
4
2
A
7
5
3
1
8
6
4
2
B
7.6V
7
5
3
1
RRB
RRA
7.6V
FRB
FRA
27
2
Q26
D14
3
D12
W5
R39
4
22K
R17
47K
D2
Q1
W100
Q1,2
Q2
B.U.5V
R1
R2
22K
100
(X25-87XX-XX)
MODEL
UNIT
A1
C161
IC1
NAME
No.
KDC-V7090RY
52-71
X86-3242-70
NO
UPD703033GC052
KDC-7090RY
52-72
X86-3242-70
YES
UPD703033GC053
KDC-V7090R
62-70
X86-3342-71
NO
UPD703033GC052
KDC-7090R
62-71
X86-3342-71 YES
UPD703033GC053
E
F
SP OUT/DC IN
16
F1 10A
1
2
3
4
(X25-87XX-XX)
Q11
CN2
1
2
EXT.AMP
CON.SW
7.6V
0V
1.4V
0V
0V
9.0V
1.4V
0V
FLB
7.6V
FLA
7.6V
RLB
RLA
14.4V
14.4V
TH1
R48
R46
100K
Q31
D17
47K
ACC
DETECT
SW
Q28
22K
R41
R42
Q30
D16
12K
12K
22K
Q27
R40 1K
B.U.
1/2W
Q29
DETECT
Q26-29
10K
SW
28
P-CON SW
47K
Q15
SMALL LAMP
25
DETECT SW
47K
15
Q15
47K
74
IC3
A8V
A.V.R
Q4
13.8V
IC3
R5
R6
Q6
220
15K
3
Q8
VIN
VREF
1
47K
1.25V
GND
2
0V
47K
Q5
47K
47K
for Mask u-COM
for Flash u-COM
R71,83,
R97,
W6,
R51
R52
R53
IC16
IC16
99,239
98,101
7
S-80837ANNP
S-80842ANNP
YES
NO
NO
YES
NO
YES
NO
YES
YES
NO
YES
NO
S-80837ANNP
S-80842ANNP
YES
NO
NO
YES
NO
YES
S-80837ANNP
S-80842ANNP
NO
YES
YES
NO
YES
NO
S-80837ANNP
S-80842ANNP
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.
G
H
RCA
REAR
FRONT
CORD
CH-IN
CN1
1
2
3
4
5
6
R167
R168
R166
R165
22K
22K
22K
22K
Q39
Q40
Q38
Q37
IC2
Q37-40
PRE MUTE
MUT
Q32,33
Q32
Q33
AUDIO
D62
D64
MUTE
22K
22K
22K
22K
5.0V
0V
0V
0V
R44
22K
IC8
MUTE
LOGIC
CIRCUIT
0V
5.0V
5.0V
31
93
Q3
SW5V
Q12
ILL +B
47K
52
R10
47K
2.2
Q9
Q10
Q7
Q13
22K
22K
Q11
22K
22K
R11
R9
1K
1.5K
Q7,8
1
3
5
SW14V
2
4
Q9
SERVO +B
SIGNAL LINE
GND LINE
B LINE
I
CN4
1
2
3
5.0V
0V
E-VOL
0V
C61
47u10
+
C62
0.01
Q35
22K
Q36
22K
E-VOL
MUTE
R231
R230
47K
4.7K
PAN 5V
Q50
Q51
47K
47K
7
9
11
13
6
8
10
12
CN6
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