Kenwood TKR-740 Service Manual page 85

A B C D
TKR-740
PC BOARD
1
2
TX UNIT (X56-3072-70) (A/ 3) Component Side View (J72-0879-09)
3
4
D206
5
R270
C3
L202
DRIV OUT
CN103
CN1
2
FB
GND
6 L208
1
C4
R271
2
FB
GND
7 1
CN104
C228
8
9
10
2SC3120
2SC3722K(S)
2SC4215(Y)
11
Component side
Layer 1
UMC5
12
Layer 2
Layer 3
Layer 4
Foil side
13
91
14
E F G H
OUT
GND
IN C41
C47
IC1
X56-3072-70 (A/3)
C29
J72-0879-09
R1
D3
D4 R2
D2
L1
L2
L7 L4
TC2
C23
C5
R8
Q2 R22
MAIN
R6
R23 R7
VCO
R24
DVcc
D6
R5
C33
8T
C26
C35
R18
Q3
R20
Q4 Q5
R210
C236
C144
1 8
MOD
IC106
4 5
C132
NJM2904E 2SK1824 NJM78L05UA
5 D
B
8
S
4
E
G BU4094BCFV
C
1
TC4S81F
2SK508NV(K52)
5
5
S
4 4
3 3
D
G
1 2
2 1
I J K L
C34
12 1
R25
R182
5 4
Q7
R26 R222
R149
IC203
Q208
8 1
R183
CV
MAIN PLL
L247
D1
R123 1 8
C104
IC109
C252
4 5 C245
C102
C258
L240
TC1
R113 R191
C107
C111
Q1
L16
MAIN
C282
C121 C239
PLL
L241
C
C69
D C293
C240
L102 R134
E
C231
R261
DDS
L245
R181
C143 C250
C233
R180
L244
C146
C234
TO
MIC
CV
CN3
4 3
1
R48
5 1
C52
IC100
R49
TA7808S AT24C08N10SI18
5
3
8
1
1
9 M62364FP
16
2
13
3
1
8
24
1
1
92
M N O
SUB PLL
CV
C219
D202
C220
L209
L204
R205
D201
C209
R228
R204
C212
R130
LE C208
R247
C74
CK R240
C75
R201
DA R245
C76
C283
C221
C288
C246
D
R254
C
R250
C251 E
C222
Q241
C205
C202 SUB PLL
R249
C256
EXT REF
REF OUT
CN102
26
TA75S01F CD8468 TX UNIT
(X56-3072-70) (A/3)
4
R e
11
5
C I 1
C I 3
20
C I 4
4 10
3
C I 1
2
1
C I 1
1
C I 1
AD9835BRU
C I 1
C I 1
C I 2
9
C I 2
C I 2
16
12
C I 2
8
Q 1
Q 2
1
Q 3
P Q R S
IC103
C128
O G I
C127
R131
C115
R64
EXT REF IN
XF211
CN101
. f N O . A d d e r s s R e . f N O . A d d e r s s R e . f N O . A d d e r s s
3 F
Q 4 8 F D 5 7 H
I 9 Q 5 8 C D 6 7 F
9 H Q 6 7 G D 5 0 4 M
0 0 1 I 0
Q 7 I 4 D 5 1 4 L
0 1 7 J Q 1 7 4 L D 5 2 4 L
0 3 5 R Q 1 8 4 L D 2 0 1 5 N
0 6 9 E
Q 2 1 6 E D 2 0 2 5 N
0 9 5 J Q 1 0 7 7 J D 2 0 3 6 O
0 0 4 L Q 2 0 1 6 O D 2 0 6 5 C
0 1 7 N
Q 2 0 8 I 4
0 2 6 L Q 2 4 1 7 M
0 3 4 J D 1 5 H
6 H
D 2 5 F
6 F D 3 5 H
7 H D 4 5 F