Kenwood KCA-R71FM Service Manual page 11

F
C307
LATOR VR301
180P
10K
Q301
R307
C120
47u50
68K
+
IC301
2.1V 2.1V
2.5V
0.5V
1.3V
2.1V
C220
.7u50
C303
+
15P
45
R401
22K
C451
470P
C652 1
Q609
64
63
62
61
60
59
58
57
56
REMOCON
55
MUTE
54
POWER ON
53
RELAY ON
52
51
50
Q608
49
4.7K
48
47
46
45
SEP-ATT 45
44
43 BU 5V AVR
42
5.1V
41
5.7V
SIGNAL LINE
GND LINE
B LINE
G
R309 R311 C309 + R314 2.2K
470 330 4.7u50
Q351
Q303
R302
1.5K
C304
220u10
+
R301
1K
R407
100
C401 R402
22u25 2.2K
+
C402 R404
10u25 100K
+
Q401
C403
100P
LPF
Q402
7.7V
13.5V
Q605
R612
Q604
4.7K
22K
Q607
22K
22K
22K
ZD602
13.5V 14.4V
Q603
D602
Q601
R602
4.7K
Q602
IC601
13.5V
GND
OUT IN
5.9V
6V AVR
H
Q305
Q304
IC302
3.9V
5
6
R327
4.7
RF
R411
15K C415
+
220u10
C411
Q411
15P
R414 C418
1.5K 100P
C421
470P
RY401
8V AVR
DESTNATION
Q606
KCA-R71FM
KDC-C521FM
KDC-C471FM
KCA-R71FM
KDC-C521FM
KDC-C471FM
R604
10K
R605
10K
FUSE2
PN601
R606
3A
D604
10K
ACC
1
L601
FUSE1
100uH
3A
BATT
2
GND
3
KCA-R71FM (1/2)
I
KCA-R71FM
7.7V
IC302
(1/2)
C306
0.033 8
2
1
3
3.9V
3.9V
(2/2)
D301
7
3.9V
4
1/2 VCC
PN301
1
to
2
RADIO
1
2
CAR ANT
3
PN302
C114,
214
J,E
J 680P
E
K
K,M 1000P
K
CAUTION : For continued
safety, replace safety criti-
cal components only with
m a n u f a c t u r e r ' s r e c o m -
mended parts (refer to parts
list).
ACC
Indicates safety critical
components. To reduce the
risk of electric shock, leak-
age-current or resistance
measurements shall be car-
BATTERY
ried out (exposed parts are
acceptably insulated from
the supply circuit) before the
appliance is returned to the
customer.
• DC voltages are as mea-
CONTROL
sured with a high imped-
UNIT
ance voltmeter. Values
-CN701
may vary slightly due to
2/2
variations between indi-
vidual instruments or/and
A
units.
FM MODULATOR UNIT (2/2)
J
1
2
3
4
5
6
7
11