Kenwood TH-K20A Service Manual page 23

J K
D415
51
50
CN304 CN303
5M
GND
E
RESET
D414
L M N
TX-RX UNIT (X57-821X-XX) 0-11: K 0-20: M 2-71: E
Component side view (J79-0325-09)
R443
MIC300
C383 R379
1
5
C344
IC308
3 4
D304
C352
D302
C358
3
4
IC306
5
1
C365
C366
C354
1 4 5M
IC305
2 3
C364
C363
C329
R323
CN300
2
SPK
SPG
1
O P
TH-K20A/K20E
PC BOARD
R366
C372
6
5C
IC307
10
C367
C360
C305
13
18
R338
19 12
IC300
24 7
1 6
R309
R340
C301
R308
C302
R310
C307
C356
R365
R360 C359
R364
D305
R353
Q R
5
C421
1
Q306
D
G S
D
R378
R367
Q300
R357
C371
R336 C332
C335
C333 C337
C336 C338
1 8
R470
IC304
4 5
C339 R341
R314
R342
C341 C312
R315
D427
R318 C313
5
4
C340
IC301
8
1
D426
R312 R389
C425
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
S
1
2
3
4
5
6
7
8
9
10
11
12
13
23
14