Kenwood TKR-740 Service Manual page 80

A B C D
CONTROL UNIT (X53-3882-71) (A/ 4) Component Side View (J72-0668-11)
CN5
1
R306
B
R305 FWD C303
R87 R83
EXR
R155 C313
CVT
R304 C302
R88 R84
CVR
R303 C301
RD
R302 C300
RSSI C60
C15
SPO
SPO C68 C147
SPI
R47
GND
GND
SPG
SPG
14
C91
C88
R78
R124 R123
R329
CN6 C125
C160
1
R100
R154 R328
RRA
C101
R153 C143
RTA
C312 R327
RPTT
C311
ExMON R326
GND R103
I/01
C310 R325
I/02
C309 R324
R104
I/03
C308 R323 C102
I/04
C307 R322
I/05
C306 R321
I/06
R137 R136
C305 R320
I/07
C304 R319
12
R357
C337
R356 2 CN4 1
R133 R132
C336
AUX06 SPM
R122
C132
AUX05
R355 RXG
AUX04 RA R142 R121
C335
AUX03 RD R141
R354
AUX02 TA
C334 R144
AUX01 TD
C333 R143
TXG DG
R353
NC
AUX13
C332
SC AUX12
R342 ExPTT AUX11
R128
C325 ExMON TXD
R131
NC RXD
R335
C139
NC NC
C327
R340
NC NC
R371 C330
NC NC
C326 R28
C317
R339
30 29
R336
R370 C329
C318
R338
C19
C328
NJM4558E
5
8
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
E F G H
X53-3882-71 A/4
J72-0668-11
C207
R194 R196
R197
R201
100 76
R200 R199
R203
R202
1 75
IC17
R204
C188
X1
C192
R191
C185
R190
R206
R205 25
51
R337 R207
R208
26 50
R209
R210
R211
R114 R217
R212
R227
L6
R29
O I O I
C20
IC4
IC6
G G
2SK1824
NJM78L08UA TC74HC4040AF
D
S
16
4 V
REF
GND
V
IN G
1
I J K L
R46
C210
C166
75 51
76 50
CP3
R347
R351 IC25
4 3
C202 R291
CP4
C229
IC30
5 1
R295
8 1
CP5
R350
R349
CP6 100 26 IC24
1 C204 25
CP7
C227
9 16
C228
C205
X2
C211
R344 Q5
R134
IC3 IC5
C83
O G I O G I
R69
TC7S04F ADSP2185BST133
30622M4-103GP
1
9
2
3
51 50
5
8
4
75
76
1
100 1
81
M N O P
PC BOARD
R14
R7
R181
R176
R171
CN3
C180
1
SPI
R118 SPG
VLO
VLI
GND
C182
R90 BLT
8C
HOK
R91
PTT
EXR
R92
SW1
SW2
B
R93
B
SW3
R86
SW4
R117
TEST
SW5
SW6
L12
C123 EN7
MDAT
R135
R115
DT
CK
R116 GND
MI
MIG
26
R66
C77 R70
BU4053BCF NJM78L05UA PCM3000E
9 15
3
16
28
1
8
26
25
1
1
Q R S
TKR-740
1
2
CONTROL UNIT
(X53-3882-71) (A/4)
3
R e . f N O . A d d e r s s
C I 3 9 J
C I 4 9 E
C I 5 9 K
C I 6 9 F
C I 1 2 9 M
C I 1 3 4 D 4
C I 1 7 6 H
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 5
C I 3 2 8 D
C I 3 6 7 E
C I 3 7 7 O
C I 4 0 6 D
Q 1 6 F
Q 5 8 L
6
7
8
9
10
TA7805F
11
14
12
OUT
GND
IN
13
82
14