Kenwood TK-2402(V) Service Manual page 35

F
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-8310-10)
50C
FIN
Do
50R
CV
Freq
50T
19.2MHz
+B
PTT_RXD
VOLOUT
VOLIN
REDLED
BATT
PLL_PS
PLL_UL
PLL_LE
PLL_DATA
PLL_CLK
TX/RX
50M
RESET
MOD1
50V
33M
BLULED
GRNLED
SB
INT
G
TK-2402(V)/2402/2406/2407
R28
5.0V
680
C41
L4
12n
20p
D704,D705
PLL Fin BPF SW
CVIN
33M
IC700
1
S
VCC
2
Q
HoLD
3
W
C
C711
4
VSS
D
1000p
EX25064ATA00A
EEPROM
R708
1k
R710
61
QT/DQT IN
1k
62
HSDDEC
63
BATT
64
CVIN
BUSY
65
BUSY
RSSI 66
RSSI
67
VOX
VOX
68
NC
69
NC
70
PLL_PS
71
PLL_UL
72
PLL_LE
73
PLL_DATA
74
PLL_CLK
75
AVSS
76
WIDE/NARROW
77
VREF
78
AVCC
79
ASSTSW
80
TX/RX
3.3V
HSDENC
R703
10k
MODE
33M
R719
22k
C717
0.012u
H
1.4V
0.3V
DC AMP(CV)
R30
CVIN BD7542FVM
33k
1
oUT1
2
IN1-
3
IN1+
4
VSS
Fin doubler
Q2
2SC5636
CV(A)
8
7
6
5
MODEL
40
CE
39
NC
38
NC
37
33MSC
36
LPSW
35
R734
EMP
34
4.7k
NC
33
5TC
32
MCU
50VC
31
IC702
NC
F363BEDFEKDLF
30
PTT
29
EMPTT
28
NC
27
EM_SCLK
26
R736
RXD
25
1k
TXD
24
NC
23
NC
22
5CC
21
RESET
R733
10k
C720 R732 C724
VSS
0.01u 68 0.01u
C719
1000p
C718
L78-1434-05
VCC 19.200MHz
C725
R738
0.1u
0
5p
3.3V
Beat shift SW
Q701
KTC4075E(Y,GR)
I
IC3
VDD
8
DC SW(MOD)
oUT2
7
R24 Q1
SSM3J36TUT
IN2-
6
470k
IN2+
5
C33
R27
10k
0.01u
AsstSW
R739
4.7k
33M
5TC
50VC
EM_SCLK
TXD
X700
Beat shift
ON:3.3V
Off:0V
Beat shift SW
Q702
KTC4075E(Y,GR)
J
Do
50C
VLO
Q1 conrol
Q3
KTK5132E-P
TASIS
TX/RX
50T
DICSW
19.2MHz
+B
PTT/RXD
APCSW
50R
VOLIN
MOD2
33M
Freq
CVADJ
TXD
50M
HSDENC
PTT/RXD1
MOD1
CML_IRQ
XTAL/CLoCK
XTALN
SDATA_O_CML
SDATA_I_CML
SCLK_CML
CML_CSN
SB
LSDO
DISCFB
WIDE/NARROW
50V
33M
35
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