Kenwood KCA-R71FM Service Manual page 12

K
KCA-R71FM
1
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 mea-
surements shall be carried out (exposed parts are ac-
ceptably insulated from the supply circuit) before the
appliance is returned to the customer.
• DC voltages are as measured with a high impedance
2
voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
3
4
5
6
7
12
CONTROL UNIT (1/2)
L
D701,702 : B30-1698-05
D703 : B30-1564-05
∗
D704-716 :
D717-722 : KDS122
Q701 : KTC3875S
Q702 : KRA303
Q703 : KRA305
IC701 : LC75808W
IC702 : NJL67H380A
R705- D704-
DESTNATION R704
710 716
KCA-R71FM J
330 150 B30-1690-05
KDC-C521FM J
K,E
KCA-R71FM
K,M
KDC-C521FM 390 220 B30-1567-05
K,E
KDC-C471FM
GND LINE
B LINE
MODULATOR
UNIT
-SKT401
3
1/2
6
1
RESET
A 4 7
2
5 8
CN701
M
CONTROL UNIT
SEGMENT
LCD701
RDM
REP
SCAN
COMMON
LCD701
RDM
REP
SCAN
5.9V
Q703
REMO.
47K
SENSOR
D722
IC702
R736
100
GND
1
R732 470
DO
2
RESET
3
SW761
5.9V
+6.0V
4
R734 1K
REMO
5
R733 1K
INH
6
R731 1K
CE
7
R730 470
CLK
8
R729 470
DI
9
N
KI1
KI2
KI3
KI4
22K
Q702
2.7K
22K
R751
1K
Q701
R728 10
R735 10
R725 4.7K
R724 R723
4.7K 4.7K
D721 D720 D719 D718
O
76
KS6
77
KI1
78
KI2
79
KI3
80
KI4
81
KI5
82
KEYON
83
84
ILLUMI
85
REMOON
86
VDD
87
VLCD
88
VLCD0
89
VLCD1
90
VLCD2
91
VLCD3
92
VLCD4
93
VSS
94
TEST
95
OSC
96
INH
97
DO
98
CE
99
CLK
100
DI
D717