Kenwood TK-780 Service Manual Supplement page 59

A B C D
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC1 9M IC201 6M Q20 5G Q31 8C
IC2 13G IC400 2K Q22 10C Q33 7O
IC3 10E Q1 8E Q23 10J Q202 9Q
IC4 8E Q2 12N Q24 10J Q203 7L
IC6 6M Q3 11N Q25 10C Q204 7J
IC7 9G Q7 9O Q26 10C Q402 8E
IC8 10G Q11 7G Q27 7D Q403 8E
IC12 9H Q12 7H Q28 8D D1 13D
IC13 6G Q15 12K Q29 6N D2 13C
IC15 10D Q18 11J Q30 8C D3 13C
L14
C188
SP
C197
C196
C198
C89 R109 C143
R148
PA
R106
R90
D26
R86
C127
R116
C168 +
1 14
C72
R144
R408
R137
R145
IC15
R140
+
7 8
SB
R132
LOK
PSW E
HOR
DEO
TD2
CN7
E F G H
TX-RX UNIT (X57-6480-XX) (A/2) Foil side view
Ref No. Address Ref No. Address
-10 : K -11 : K2 -12 : HK -13 : HK2
D4 13D D27 7Q
D5 13E D28 8C
D6 12C D30 6R
D15 9N D31 8C
D17 13D D34 8C
D20 8C D35 12F
D21 8C D209 7L
D22 11I D210 7J
1
D23 11H D211 5N
D26 8D D212 6O
R251
+
C111 R249
B
C
E
+ C121
Q20
C177
C126
R138
R142
I
SB
G
O
IC13
TR
C120
C119 +
C78
B
8R
C
E
R414
Q12 8C
R413
Q403
Q1
G
Q402
D
S
4 3
IC4
5 1
+
R411
C29 +
9 8
R20 R14
R23 C22
DT
IC7
C19 R21
+ 16 1
ES
C24
9 8
IC8
C36 + CK
16 1
+
R130
RD2 5C C4 C3
C42 +
D23
RD1 OP
SQ
TD1 FW C2 C1
D35
R64
R31 R22
C17
DEO
1 8
IC2
+
4 5
I J K L
IC400
2
C288
C289
C406
C244
C407
DB
C273
C274
C261
C243
+
C200
C285
C283
R239
C282
C240
C241
R241
C235
E
C242
Q203
C
Q204 B C237
9C
8T
D210
R238
5C
C117
MB
+
C116
DT
EP
CP
C183
R28
+
C25
R29
C27
KEY
W/N
LD
R161 +
QAD
R131
R107
Q15
DM
R16
R104
TP3
R165
M N O P
PC BOARD VIEW
3 4
C290
J72-0809-02 A/2
C272
C271
C251
D211
TH1
D212
C255
R223
5 4
IC6 Q29
8 1
R52 C44
H/L
R224
E
C
C231 R230
C171
B
L11
R175
C56
C57
5 4
IC1
D15
8 1
Q7
R169 C66
R75
C64
R170
R27 R26
ST
R34 HT
C153
C30
E
9CL
+ C38
8CL
C35 R46
C49
MD
9C
C161
X1
C43
CV
C47
Q3
R56
+
L12
+
C154
Q2
8C R40 C33
C34 +
Q R S
TK-780/H
1
2
Component side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
3
Foil side
4
ANT
ANTE
5
C202
6
C148
7
R147
C146
8
9
10
TV
11
12
TP1
TP2
13
62
14