Tx-Rx Unit (X57-6520-Xx) (A/2); Tx-Rx Unit (X57-6520-Xx) (B/2) - Kenwood TK-980 Service Manual

A B C D
TK-980/981
PC BOARD VIEW
1
Component side
2
Pattern 1
Pattern 2
Pattern 3
Pattern 4
Foil side
3
4
L224
5
L221
6
L222
L220
L223
C128 C129
7
C124 C125
R135
8
L203
9
10
TP1
11
L207
12
Q205
13
C171
J72-0816-09 A/2
51
14
E F G H
TX-RX UNIT (X57-6520-XX) (A/2) -10 : TK-980 -11 : TK-981
Component side view
5 4
C273
L229
A1
R308
+ C303
L303
C304
C317
R309
E
L11
R321
C309 L301
OUT
C307
Q300
E
NC
R319
8CL
MD
+ C322 C320 +
C313
CV R318 R307
R316
C315
R317
R315
R110
C94
XF1
C91
I J K L
IC400
3 2 1
Q20
C131
R255
Q21
R256
R99
R97
D11
C43 R53
1 8
IC6
4 5
+
C41
1
+
C45
IC5
+ +
R118 C100 C107
12
L6
CF1
R121 C169
9 8
IC11
C98
TP3
R119
16 1
C99
X2
M N O P
Ref No. Address Ref No. Address Ref No. Address
IC5 10M Q4 11R Q20
IC6 9K Q5 10R Q21
IC9 10O Q6 10R Q32
IC10 8R Q8 9O Q205
IC11 12J Q9 9Q Q300
IC14 6O Q10 7M Q301
IC300 10H Q13 7M Q302
IC400 2I Q19 5O D7
Q19
E
C
R89
B
R88
+
IC14
+B
O
G
D37
I
Q13
R91
R80
R74
R60
C63
C54
Q8
ST
24
I
G
O
IC9
R57
R8
DTC/TXS/
E
C12
FSW
13
E
R7 MM
LOK/AM
R47 C40 R6
C3 C4 5C RD2 DEO
C11
R48
R49 C14
OP SQ RD1 TD2
C1 C2 FW TD1
CN1
SQ2
Q R S
Ref No. Address
6L D11 9M
6L D16 9R
12J D24 10R
13C D32 5O
9F D37 6P
11G
11F
11R
J1
EXT. SP
R85
D16
C15
CN3
3
SB 3
E
D7
HOR 1
1
C10
CN4
E