Kenwood TM-471A Service Manual page 33

A B C D
TM-471A
PC BOARD
1
TX-RX UNIT (X57-686X-XX) 3-00 : C 3-01 : C2
Component side view (J72-0907-09)
J1
2
EXT. SP
3
4
F1
5
GND
6
PR9
SQC
7
PKD
PR1 PKS
8
1
9
R82
5M
IC252 CNVSS
10
R101
C276
RESET
Q254
R277
11
10
C274
Q36
C44 +
12
R35
+
C51
R37
C50 C52
C49
13
+
C45
30
14
E F G
C536
C535
C29
C32
E
+B
S
G Q503
S
C528
R536
C534
C527
R526
RF
R524
R272
D251
C82
C272
C83 R274
+
R275
R273
C271
+
R271 C270
POWER
PKD 7
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
C425 +
D3
+
C424
L201
+
R1
R200
CN1
H I J K
DC
C538
+
C539
G Q504
L507
C541
D
C543
R535 R531
R534 R530
D608
PC
5 4
IC501
R605
8 1
8T
R521
R528
IC204
4 3
5 1
4 3
5 1
IC205
C414 R409
+
L404
C411
R408
C403
R422
CV
X401
11 10
C416
C402
R421
L401
C401
+
L403
IC401
C406
D402
R407
R418
Q403 20 1 R323
C422 R412
Q302
L M N O
TX-RX UNIT (X57-686X-XX) 3-00 : C 3-01 : C2
Component side view (J72-0907-09)
C574
C575
C576
C555
C556
D
TH97
C97
TEMP1
R350
R161 D202
R162
+ C205
C162
C163 C165
+
C164
+
C204
R204
C202
R206
BPF
+
C442
R203
R166
R205
R165
Q201
+
C356
R164
R404
AFV
C354 R302
D303
R315
R304
R354
+
R314
C303
C304
C318
C312
C305
R316
Q351
C311
R351
C315
C310
C316 R318
C409
C351
R313 C317
R311
R322
C128
P Q R
TM-471A
PC BOARD
Ref. No. Address
IC33 12B
IC161 11N
IC201 10P
IC202 11P
IC203 12P
C611
IC204 10I
IC205 11I
IC252 10B
IC401 12J
C610
IC501 8J
Q35 13C
Q36 12C
Q201 11O
Q252 12F
Q253 12F
C605
Q254 11D
Q255 10D
Q302 13K
Q351 12N
Q354 9O
TEMP2
Q402 12H
C580 C98 Q403 13H
Q503 6G
Q504 5K
D3 12E
D4 12E
D5 11E
D6 11E
D201 11O
D202 10O
8T R380 C391
D251 9E
D302 12O
D303 12O
D401 12J
Q354
D402 13I
G
R221
D +
C220
S
D503 8J
C208 R208
D601 6P
1 8
C207 D602 6P
IC201
4 5 R210
D608 8L
C212
1
8
IC202
4 5
R227
R228
+
R233 C231
C232 R232
+
C217
C233 +
Component side
C225 +
Layer 1
C218 +
R219 R226 Layer 2
R218
Layer 3
Layer 4
J72-0907-09
Foil side
S
1
2
3
4
5
6
7
8
9
10
11
12
13
31
14