Kenwood TKR-740 Service Manual page 82

A B C D
CONTROL UNIT (X53-3882-71) (A/ 4) Component Side + Foil Side View (J72-0668-11)
CN5
1
R306
B
D27
Q10
R305 C303
FWD
R87
R307 EXR
R155 C313
CVT
R304 C302
D26 R88
CVR
R303 C301
RD
R302 C300
D31
RSSI
C60
C15
SPO
R125
SPO C68
D35
SPI
R47
GND
D39
GND
SPG
Q12
SPG
14
C88
R124
R329
D21
CN6 C160
1 R100
R154 R328
D24 RRA
C101
R153
RTA
C312
R327
D14 RPTT
C311 ExMON
R326 D18
GND R103
D19
C310 I/01 R325
I/02
C309 R324
D37
I/03
C308 R323
I/04
C307 D13 R322
I/05
C306 R321
I/06
R137
C305 D28 R320
I/07
C304 R319
12
D32
D36
R357 24
D6
C337
D38
R356
D8 2 CN4 1
C336 16 AUX06 1 SPM
AUX05 RXG
R355 D9
AUX04 RA R142
C335 R146
AUX03 RD R141
R354 R145
13
AUX02 TA
C334 R144
9 R147
8
D10 AUX01 TD C140
C333 R143
IC39 R148
TXG DG
R353
NC AUX13 D34
D12
C332
SC AUX12
R342 D16 ExPTT AUX11
D30 R128
5
C325 ExMON TXD 1
R131
NC RXD
R335 3
D11 D25
4
NC NC
C327
R340
D17
NC NC
D20 R371 C330
NC NC 8
C326
C317 R339
30 29
R336
D15 R370 C329
C318
R338
IC42
C328
1
Component side DTC114EUA ADM232LAR
DTC144EUA
Layer 1
Layer 2
OUT
Layer 3 16
Layer 4
IN
Foil side
GND
NJM78L08UA
NJM4558E
DTC363EK
5
B
E
8
C 4
V
1
E F G H
X53-3882-71 A/4
J72-0668-11
R83
R84
C147
R73
R72
R74
C212
C91
C207
R78
R123
C125
R194
R196
R197
C143
R201
C203
R200 R199 100
C194
R203
R202 IC10
1 O
C187 IC17
G
R104
R204 C188
C102 I
X1
IC46
5 1
R158
C192 4 3
R136 R191
C185 IC48
IC47
C153
1
5
5 1
R190
R138 4 3
4 3
R206
R140
R205 25
R337 R207
1
R208
26
R209
R210
R133 R132
R211
R114 R217
R122
C132
R212
R121 R227
IC33
12
C177
D3
L6
C138
R130
R129
C139
9
R29
R28
O I O I
C20
C19
IC4
IC6
16
G G
DA204U TC74HC4040AF
2
9
9
1
3
16
8
8
2SK1824
1
1
D
TC7S00FU
S
TC7S04F
TC7S32FU
G
TC7S66FU 1
2
V
REF 3
GND
IN
5
4
I J K L
R46
C213
C210
11
10
C166
IC15
1 20 76 100
C209
76 75 75 51 1
C208
10 11
R161
75
76 50
CP3
R262
IC16 R351
IC18
C202
CP4
1 20 R159
C229
IC30 R214
R237
R295
R215 8
CP10
CP5
R350
51 25
R216
R349
R266
50 26
51
CP6 100 26
CP11
50
1 C204 25
CP7 CP15
C227
9
R223
C228
C205
CP14
C214
C211
R344
IC3 IC5
R27
O G I O G I
C18
C24 C30 C28
C31
C27
C21
C29
ADSP2185BST133 BU4053BCF BU4094BCFV
30622M4-103GP
51 50
9
16
26
75
16
8
76
25
100 1 1
PCM3000E
AT29C020-90TI
NJM78L05UA
RH5VL42C
32
28
17
3
1
1
16
85
M N O
PC BOARD
TA7805F
R14
OUT
GND
IN
C6
C154 R164
C184
C3 R5
C107 R165 R4
IC38
3 4
R166
C14 R3
1
5
R2
C161
5 IC1 1
C162
C206
C106
4 3
R168 C158
C2
C170
C135
C169
R110
R347
IC25
4 3
R291 R181 R182
C179
R176
5 1 R185
R218
1 R171
R186
R157
R226 C180 C176
R184 C178
R225
R118
IC24
R250
R221
R106 C182
R90
R222
16 C134
C193
R91 R174
R92
X2 C174
R177 C61
R93
R38
R86
R117
Q5 R173
C173 R178
L12
R134 C123
R135 R115
R116
C83
R69 R66
C77 R70
M62364FP
9
13
24
8 12
1
1
ADM202EARW
15
9
16
14
8
1
1
P Q R S
TKR-740
1
CONTROL UNIT 2
(X53-3882-71) (A/4)
TC74VHC245FT
R e . f N O . A d d e r s s
11
C I 1 6 O
C I 3 9 J
20
C I 4 9 E
3
10
C I 5 9 K
C I 6 9 F
1
C I 7 7 H
C I 1 0 6 G
C I 1 2 9 M
C I 1 3 4 D
4
C I 1 4 5 E
C I 1 5 I 5
C I 1 6 I 6
R7 C I 1 7 6 H
R6
C I 1 8 6 K
C I 2 2 5 N
5
C I 2 4 7 L
C I 2 5 6 L
C I 2 7 6 L
C I 2 9 9 O
C I 3 0 7 K
C I 3 1 7 N
6
C I 3 2 8 D
C I 3 3 8 E
C I 3 4 8 N
C I 3 5 I 8
C I 3 6 7 E
CN3
C I 3 7 7 O
1
7
SPI C I 3 8 5 O
SPG
VLO
C I 3 9 8 C
VLI
GND C I 4 0 6 D
BLT
8C C I 4 2 9 D
HOK
PTT C I 4 6 7 H
EXR
C I 4 7 7 H
SW1
SW2
8
B C I 4 8 7 G
B
SW3 C I 4 9 9 C
SW4
Q 1 6 F
TEST
SW5
Q 2 5 O
SW6
EN7
MDAT Q 5 8 L
DT
Q 8 9 C
CK
GND
Q 9 9 C 9
MI
MIG
Q 1 0 3 C
26
Q 1 1 5 G
Q 1 2 5 B
D 1 5 G
D 3 8 E
D 4 9 E 10
D 5 7 D
D 6 7 B
D 7 7 D
D 8 7 B
D 9 8 B
D 1 0 8 B 11
D 1 1 9 B
D 1 2 8 B
D 1 3 6 C
D 1 4 6 C
D 1 5 9 B
R e . f N O . A d d e r s s D 1 6 9 B
12
D 1 7 9 C
D 2 8 7 C
D 3 0 9 D D 1 8 6 D
D 3 1 4 B D 1 9 6 C
D 2 0 9 B
D 3 2 7 C
D 3 4 8 D D 2 1 5 D
D 3 5 4 B D 2 2 9 C
13
D 2 4 6 C
D 3 6 7 C
D 3 7 6 C D 2 5 9 D
D 3 8 7 C D 2 6 4 B
86
D 2 7 3 B
D 3 9 4 B
14