Tx-Rx Unit (X57-6290-20) - Kenwood TK-7102 Service Manual

A B C D
TK-7102
1 PC BOARD VIEW
TX-RX UNIT (X57-6290-20) Component side view
2

TX-RX UNIT (X57-6290-20)

Component side view
3
R e . f N . o A d d e r s s
C I 1 1 0 K
C I 3 8 O
C I 4 1 0 R
C I 9 7 G
C I 1 2 6 R
4
C I 1 7 1 0 D
C I 1 9 7 F
C I 2 1 8 Q
C I 2 2 8 Q
C I 1 0 1 5 L
C I 1 0 2 8 D
Q 2 9 J
5
Q 4 1 0 J
Q 5 1 0 J
Q101
Q 6 1 1 M
Q 1 6 8 H
Q 1 9 1 0 O
Q 2 2 9 H
6
Q 2 7 5 F
Q 3 0 1 0 E
Q 3 2 8 E
Q 3 3 1 0 D
Q 3 4 5 E
Q 3 5 7 E
7
Q 3 8 7 F
Q 4 1 8 P
Q 4 2 4 G
Q 4 3 9 H
IC102
Q 1 0 1 5 D
D 1 1 1 G
8
D 2 1 0 G
D 3 1 0 H
D 4 9 E
D 6 9 K
D 7 1 0 J
D 1 3 9 P
9 D 1 5 9 P
D 2 7 5 F
D 3 4 6 P
+
C262
D 3 6 4 P
D 3 9 6 E
R255
D 4 1 4 F C308 +
D 4 3 8 P
10
C310 C298
D 4 4 8 P
C329
C280 +
11
Component side
KRC404RTK
Pattern 1 KRC414RTK
12 Pattern 2
2SA1745
Pattern 3 2SA1832
Pattern 4
2SC2412K
Foil side
2SC4617
2SC4738
13
2SC5108
E
33
14
E F G H
J1
D41
R262
C295
R239
D27
C299
R238
Q34
E R265
Q27
C328
C
R236
B
GND +B
R240 R154
C243
1
Q38
C220
R234
1 14
R229
R109
C353
R273
IC9
7 8
C512
R118
POWER
C525
R115
C355 R334
R122 C125
R105
Q16
R322 R260
R128
C524
C277 R176
10 R155
C284 RXD
S
D
G S
D
Q22
R138 G
Q30
TXD Q43
R177
R135
R274
D2
R2
D3
R285
R279
CN1
D1
R3
R4
2SC2954 2SA1641
2SC3357
E
C
B
B
C
I J K L
IC101
1 2
R184 R271
R28 C338
R23 C29
C37 R20
+
L3
C34
R15
C332
R60
CV
11 10
C48
C65 + C331
R56
C330
+
C60 + IC1
Q4
D7
R46
L2
+
Q5
20 1
C371
R34
DTC363EU KRA225S
KTA1664
KRC102S
OUT
IN
GND
34
M N O P
R267
D34
3 4
C270
C256
C267
C252
R22
+
C32
R21
+ C342
+
C40
R311
BPF
C374 +
R7
R278
R277
+
C14
R276
AFV
R287
R113
C106
R153
+
R111
C120
X1 C112
C116
C111 R87
C114
R132
C88
C26
C160
C335
C138
R173 C102
R164
R12 C22
R72
R88
C81
Q6
2SC4649 TC7W74FU
2SC4919
6 5
C 8 7
3 4
1 2
E
B
Q R S
C323
C312
C321
TH3
C292
R247
+
C315
R263 R244
C303 R241 + C254
4 3
IC12
5 1
C279
C242
R254
R26
+
C518
D44
C24 R30
C30
1 8
R33
C50 IC21
R42 4 5 R330
C378
C58
1 8
R310
IC22
4 5
Q41
R59
R54
+ +
D13
R19 C352
C333
R18
C71
+ C64
C31 +
R73
C377 +
+
C340
R307 R63
J72-0788-12
KTA1046
GND
OUTPUT
INPUT