Kenwood TK-7302 Service Manual page 44

K
TK-7302/7302 V
( )
TX-RX UNIT (X57-76 0-XX)
1
*IC301
POWER
MODULE
R323
39
R327
100
RF
VOLTAGE
PROTECTION
3
C948
10u
1.60V
25
R737
26
27
27k
28
CN708
29
3.24V
30
R724
0
31
32
33
34
R733 10k
APCC
R732 1k
TVC
R3 R734 1k
35
330k
R735 1k
36
ASTC
3.3C
17
C20
R957 0.01u
C918 56k
1.60V
120p
0.65V
Q730
KTC4075E(Y,GR)
BASEBAND IC
CLOCK AMP
17
3.3C
HSDO
MIC
DISC
FREQ
2
44
X57-76 3/6
L
/7302H/7302H V
( )
COUPPLER
FORWARD POWER
L311
1.5T
REVERSE POWER
T : 8.91V
C354
0.1u
DC AMP (APC)
C355
IC300
1000p
HA17358BFEL-E
R341
1 8
VCC
7 0
2
3 6
4 5
VEE
R345
100k
D301
R343 R346 R349
0 47k 0
1SS355
TX POWER CONTROL
D310,311
VOLTAGE PROTECTION
R748 R754 R759
R729
100k 100k 150k
0
R718
C771 C773 C775
100k
100p 100p 390p
VBIAS
AUDIooUT
AUXADC1
AUXADC2
AUXADC3
AUXADC4
IC701
CD686Q3
AVDD
BASEBAND IC
AUXDAC1
AUXDAC2
AVSS2
AUXDAC3
AUXDAC4
R862 R742
0 0
C770
10u
C765
C767
10u
0.1u
C764
C768
0.01u
470p
3.30V
M
SCHEMATIC DIAGRAM
1
R354 R357
0 0
R355 R358
0 0
D302
C365
L407CDB 1000p
D303
C366
1000p
L407CDB
D302-305
ANT
SWITCH
T : 0.81V
9T
D312
REVERSE
POWER RECTIFIER
VREV D313
MA3J742
D312
R382
0
HSC277
D314
MA3J742
R384 R383
0 0
VFRD
D313,314
POWER
RECTIFIER
REVP 6
FWBP
LSDI 4
3
C743
0.033u
R764
6.8k
R770 R775 R779
0 47k 47k
12
GPIoB
R877
11
GPIoA
47k
10
CN711
GPIo1
9
VDEC9
8
IRQN
7
DVSS1
6
R771
BooTEN2
5
BooTEN1
0
4
EPSCSN
3
EPSo
2
EPSCLK
1
EPSI
IC710
VOLTAGE
REGULATOR
(3.3V)
5M
7
3.3C
2
N
ANT
C373 C381
2p 4p
L314 L315
5T 5T
6
TEMP1
TEMP DETECT
TEMP2
R710 C735
120k 0.1u
Q703
KTC4075E(Y,GR)
C736 R939
4.7u 0
DET AMP
LPF (D-SUB)
R773 R778 R781
4.7k 47k 100k
Q731,732
MCU CLOCK AMP
5M
2.15V
2.03V
R959 R961
C919
C920
180k 180k
15p
0.01u
Q732
2SC5108(Y)F
0.74V 0.66V
Q731
2SC5108(Y)F
R774 R780
2.2k 2.2k
X57-7680-XX
-20 TK-7302 M S-AV33A
-21 TK-7302H M RA60H1317M1A
-11 TK-7302(V)
K S-AV33A
-12 TK-7302H K RA60H1317M1A
-16 TK-7302H(V)
K RA60H1317M1A
O
AF
1
6
5
4
5
4
3
DETO
LSD0
3
HSDO
5M
C19
XIN
0.01u
3
SBC
BEEP
7
MIC
2
IC301 R338
15k
22k
15k
22k
22k