Tx-Rx Unit (X57-6450-Xx) (A/2) - Kenwood TK-880 Service Manual

A B C D
TK-880/H
PC BOARD VIEW
1
2
Component side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
3
Foil side
J72-0802-12 A/2
4
C273
5
L222
C270
L223
6
7
C211
8 TV
C210
D213
L203
9
D212
C214
C213
10 C220
C222
TP1
C221
11
L207
D215
C223
12
TP2
C224 C218
C233 L213
13
C231
59
14
E F G H
TX-RX UNIT (X57-6450-XX) (A/2) Component side view
-10 : K -11 : K2 -12 : K3 -13 : HK -14 : HK2 -15 : HK3
5 4
C447
C267
L220
L221
C178
C443 R135
R113
D406
C93
R149
R112
R120
D401
C432
R139
R419
R418
+
1
8
Q401
IC401
R415
4 5
R416
A1 : X58-4550
R308
+
C303
L303
C304
ST
R304
C331 C330
HT
L306 L305
Q300
E
9CL
R319
8CL
MD + +
C322 C320
R318 C313
CV R307
R316
R306
+ C315
+
R317
R89
L211
XF1
TP4
I J K L
IC400
3 2 1
C448
C105
+
+
+
C133
R99
+
R97
C174
D11
+
1
+
C45
IC5
CF1 (F)
12
Q16
+
Q32 C101
G
D
S
L6
C107 +
CF2 (G)
9 8
C102
C94
IC11
C91
TP3
16 1
R110
C98 C96
R119
C99
X2
M N O P
Ref No. Address Ref No. Address Ref No. Address
IC5 10M Q6 10R Q203 13E
IC9 10O Q8 9O Q300 9F
IC10 8R Q9 9Q Q301 11G
IC11 12J Q10 7M Q302 11F
IC14 6O Q13 7M Q401 7H
IC300 10H Q16 11J D7 11R
IC400 2I Q17 6G D8 13L
IC401 7G Q19 4O D9 12M
Q4 11R Q21 7F D11 9M
Q5 10S Q32 11J D12 12M
+
+
C106
+B
D37
Q13
R91
+
C173
+
R80
C54
R74
R60
C63
+ +
Q8
ST
24
I
C40
IC9 G
O
R57
R8
E
C12
LOK/DTC/TXS/FSW
13
E R7 MM
LOK/AM
R47 R6
C3 C4 5C RD2 DEO
R48 C11
R49 C14
OP RD1 TD2
SQ
C1 C2 FW TD1
CN1
SQ2
Q R S
Ref No. Address Ref No. Address
D13 13M D211 6E
D14 12N D212 9C
D16 9R D213 8B
D24 10R D214 11B
D32 5O D215 12C
D37 6P D401 6E
D203 9B D406 6F
D204 9C
D205 11B
D206 11C
J1
EXT. SP
+
+
R85
+
D16
C15
3
SB 3
E
D7
HOR 1
1
C10
CN3
CN4
E