Kenwood TM-471A Service Manual page 31

A B
TM-471A
1
2
3
4
5
GND
6
PR9
SQC
7
PKD
PR1
8
9
IC252
10
11
C44 +
12
R35
+
C51
C50 C52
C49
13
+
C45
30
14
C D
PC BOARD
TX-RX UNIT (X57-686X-XX) 3-00 : C 3-01 : C2
Component side view (J72-0907-09)
J1
EXT. SP
F1
E
PKS
1
C82
R82
C83
5M
R273
C271
CNVSS
R101
C276
RESET
Q254
R277
10
C274
Q36
R37
CN1
E F
C29
C32
+B
C528
R272
D251
C272
R274
R275
R271 C270 +
POWER
7
PKD
R81
GND
R237
PR9
R248
PR1
R151
TXD
PKS
R152
+
SQC
RXD
GND 1
R250
S S
R268
D D
G G
Q253 Q252
D4
D3
L201
R1
R200
G H
C536
DC
C535
C538
C539
S
G Q503 D
S
R536
R535
C534 R534
C527
R526
RF
R524
+
R422
CV
C416
+
C425 R421
C424 +
R418
+
Q403
C422
I J
+
L507
C541
C543
R
5
IC5
8
8T
R521
R5
IC204
3
4
5 1
4 3
5 1
IC205
C414 R409
+
L404
C411
R408
C403
11 10
C402
C401
+
IC401
D402
20
1
R412