Kenwood TH-K4AT Service Manual page 49

A B C D
TH-K4AT/K4E
1
TX-RX UNIT (X57-675X-XX) (A/3) 0-21 : M2 2-71 : E
Foil side view (J72-0884-19 A/3)
2
C100
3
L30
L22
4
CN15
CP32 CP33
5
120
1
R310
6 R313
C316
C330
R318
7
CN1
30
31
8
C332
R191
R190
9
+
10
R241
11
Ref. No. Address Ref. No. Address Ref. No. Address
IC4 10E Q5 3N
12
IC5 10K Q9 4N
IC8 7E Q10 5N
IC12 6B Q11 6M
IC16 8L Q16 4L
Q1 4P Q17 3J
13
Q2 3O Q29 10J
Q3 3P Q30 8J
46
14
E F G
PC BOARD
C96
C361 R289
C162
R353
L20 C94
D10
D11
R235
91
90
IC8
C293 C294
Q52
61
60
C335 C336
C242
1
C285
2 IC4 4 C241
C283
3
C240
R239 C297
R195
J72-0884-19 (A/3)
Ref. No. Address Ref. No. Address Ref. No. Address
Q33 9N D6 3Q D19 2L D33
Q52 7G D8 4M D20 3I D35
Q58 6K D9 3M D21 3H D36
D1 4R D10 3G D22 10J D73
D2 3R D11 4G D24 8I D74
D3 3R D12 3F D27 9J D79
D4 3R D13 3G D30 8N D80
D5 2Q D18 2L D32 8M
H I J K
R101
L34
L35
C146
4
C160 R111 1
C158
L36
R110
C156 3 2
L40
C165 C159
Q17
R108
L15
C90
L18
C77
C88
L17
R64
Q58
D
L25
R164
5
R162 C207 R273
D24
8
C229
R161 R160
R354
R178 C205
C228 R179
R175
R180
R177
C224
C223
R192
R197
R183
C227
+ C237
R182
R193
C221
R173
C231
D80
C219
C358 R176
C238
8N
7N
9D
7N
3F
11I
11I
L M N O
PC BOARD
TX-RX UNIT (X57-675X-XX) (A/3) 0-21 : M2 2-71 : E
Foil side view (J72-0884-19 A/3)
R99
L32
R100 C144
L28
C17 R16
Q2
C140 D9 C18
C136
Q5
C137 L29
C19
R96
R45 R15 R14
L24
R47
Q16
R347
4 1
R97
C369
3 2
R91
C134 R348
R93 R92
C64 R49
C129
C75
C131
L10 C65
C130
2 3
R51
Q10
R88
1 4
L14
C67
C363
R344 C326
R53
C73
L11
C68
S
C71
R41
G
C327
R55
R56
D73
C72
D35
C202
C282
4
D33
IC16
1
C353
C209 C201
C210 R155 R156
L50
B
Q33
C
E
C179
C124
P Q R
TH-K4AT/K4E
D5
R12 R5 R4
L8
C14
D4
LV
D3
L2
R11 C2 D2
R10
R7
D1
C8
B
C178
+ C177
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
47
14