Kenwood KRC-225 Service Manual page 9

A B
PC BOARD (Foil side view)
X14-6850-xx
1
(J74-1317-12)
2
Q56
E
B
Q60
E
3
B
B E
4
E
1
5
5
6
7
9
C D
J2
W101
L1
9 16
1 8
W75
W79
R65
R66
W76
W98
D370
E B
W99
B E
W95
D350
W94
D55
C58
C57
R57
B E
C52
W122
Q51
D56 E
W96
R58
D54
R67
B E
C54 E B
B
W102
B E
C352
C55
B B E
C56
W103
W127
R251
C251
R4
1
R6
R137
C250 64
R250
65
R115
R5 W128
W132
8 R3
W83
R138
R320
W131
E B
R321
E B
C13 C14
E F
W29
W53
W41
W54
C600
IC4 TH1
24 2
25
1
W113
W112
W33
W28
R154
R351
B E
Q370
D371
W119
E B
Q350
C350 R372
R405
E
C18
C16
B
W115
R352 B E
R353
C17
W50
E B
C15
W118
W61
B E
W116
W117
B E W58
W31
R157
W35
D352
W36
W123
W124
W62 R413
R156
R159
R158
W59
W60
7 1
41
40
IC3
8 14
25
24
IC1
R105
R131
R119
80
1
W37
X1
4.5MHz
D261
W27
W56
W70
J3
2 12
1 11
10
G H
J4
J5
2 3 4 8 12 11 13
J1
1 5 7 6 10 9
L R
W12
R404
W19
C400
R453 R452
D403
E B E B
D409
D411
D402 L5
L4
W200
D401
D404
A1
D400
D405
C451
1
R451
R450
B E
E
W13
C450
C163 R200
B
W21
E
B E
W23
B
W22
E B
W11
C151
L3
B E
15
28
IC2
W135
14
1
24
R150 C506
W134
C155
R206
C157
R207
C156
W24
W25
W30
R104
W1
R102
R103
W2
W3
6
B E
E
B 1
P1
C321
Refer to the schematic diagram for the value of resistors and capacitors.
I J
(X14-6850-xx)
Ref. No Address
IC1 5E
IC2 5G
IC3 5F
IC4 2E
IC5 5C
Q50 4D
Q51 4C
Q52 4C
Q53 4C
Q54 3C
Q55 3C
Q56 2B
Q57 3B
Q58 4B
Q59 4C
Q60 3B
Q61 3B
Q150 4G
Q151 3F
Q153 3H
Q200 4G
Q201 4H
Q202 5G
Q203 4H
Q260 6G
Q261 6G
Q301 6D
Q320 6D
Q350 3E
Q351 4F
Q352 4E
CN2 Q353 4D
Q370 3E
1
REMO
2
GND Q371 4E
Q450 3H
Q451 3H