35
SCHEMATIC DIAGRAM
TK-3302
X57-758 2/4
J
I
H
G
F
C72
0.1u
L17
270n
CP302
RK75HA1J473J
C62
470p
R41
5.6k
C85
470p
R19
22k
C83
470p
R30
27k
C69
*
C59
1.5p
C77
470p
D4
1SV325F
TXD
CP303
RK75HA1J102J
X301
14.746MHz
L78-1433-05
C334
0.01u
R318
1.8k
C53
*
L10
180n
R38
150k
R42
*
R21
10k
R319
0
C414
470p
R310
0
C335
10u
R32
*
R27
680k
R315
10k
C52
*
C331
0.1u
C36
3300p
L19
180n
L21
R35
56
R39
100
L11
180n
C84
1000p
AFMUTE
CP301
RK75HA1J473J
R316
2.2k
C45
1u
C79
470p
R309
0
LD
R323
1k
L16
*
R26
33k
L23
22n
C74
470p
C413
1000p
C60
4p
R320
12k
R322
1k
C43
*
VOX
R34
100
C80
470p
TC2
10p
L22
22n
C75
470p
C64
*
C58
*
PTTSW
L15
*
1
5T_C
2
PLL_STB
3
5C_C
4
5R_C
5
W/N
6
MODE
7
AF_CONT
8
BSHIFT
9
RESET
10
XOUT
11
VSS
12
XIN
13
VCC
14
QTTCXO
15
QTVCO
16
AUX6
17
AUX5
18
AUX4
19
AUX3
20
AUX2
21
AUX1
22
MIC_MUTE
23
AF_MUTE
24
LED_BLUE
25
NC
26
NC
27
NC
28
NC
29
NC
30
NC
31
2TONE
32
NC
33
RXDATA
34
TXDATA
35
OPTDET
36
TX_SW
37
RX_SW
38
LEDRX
39
LEDTX
40
APC_SW
41
DC_SW
42
STD
43
1/2_OSC
44
INT
45
TXD
46
RXD
47
DIR
48
DI/O
49
DTRLOADN
50
TDA
TA/DTRCLK
51
SCLK
52
TCLK/DTRDO
53
RDF/FD
54
MDSW
55
PTT
56
SIDE1
57
SIDE2
58
EN5
59
EN4
60
EN3
61
EN2
62
EN1
63
DEST1
64
DEST2
65
PLL_UL
66
BATT
67
RSSI
68
BUSY
69
VOX
70
QT/DQT_IN
71
EEPCLK
72
EEPDAT
73
TH_DET
74
DTMF
75
AVSS
76
PCTV
77
VREF
78
AVCC
79 PLLDAT
80 PLLCLK
D3
*
L20
180n
C332
5p
(B)
C44
1u
THDET
C78
*
TC1
10p
R37
*
R36
100
C337
5p
(B)
L303
C71
0.3p
C39
6800p
PCTV
D8
1SV325F
IC305
BR24L16F-W
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
C56
*
R43
470
C65
*
C63
6p
C57
*
L304
C68
470p
R394
47k
C81
15p
C73
0.1u
C70
0.5p
MDSW
C86
10p
D6
1SV325F
C76
10u6.3
R317
4.7k
R33
*
AFCONT
L13
180n
C61
*
MICMUTE
D9
KDV214E-P
RESET
R31
270k
R313
1k
C55
*
2SC4919
Q305
R45
5.6k
L14
180n
R321
10k
C67
*
C66
470p
RXD
R391
1k
L18
270n
MODE
QTI
R314
10k
C48
*
C54
*
D2
*
PLL_STB
5C
2ND_LO
BEAT SHIFT SW
TH_DET
5R_C
VCO (TX)
EN1
B
TXD
5C_C
AFVOLOUT
5M
SIDE1
SB
5T_C
MOD
EN5
PCTV
PTT
5C
TDATA/DTRCLK
RDF/FD
APC_SW
B
1/2_OSC
LEDTX
SIDE2
EEPROM
INT
DI/O
AFVOLIN
SCLK
PTT
TDATA/DTRCLK
AFVOLOUT
5R
STD
LEDRX
PLL_UL
TCLK/DTRDO
MOD
VOX
DTMF
EN2
5T
PTT
5R
LEDRX
RSSI
QTTCXO
DI/O
AF_CONT
RDF/FD
SCLK
OPTDET
2ND_LO
EN3
VOX
EN4
LEDTX
AFVOLIN
MIC_MUTE
SB
QT/DQT_IN
PLL_DAT
W/N
5M
VCO (RX)
DIR
BATT
DTRLOADN
BUSY
TXD
AF_CONT
RESET
QT/DQT_IN
RSSI
DTRLOADN
PCTV
5T
PLL_CLK
TCLK/DTRDO
DIR
STD
W/N
R42
NO
R37
470p
D3
4p
5p
NO
D2
12p
C52
R33
X57-7582-XX
390k
C65
C48
1p
C61
C78
C69
4.7k
47
C55
C56
C53
3.5p
10
-72
9p
NO
3p
20p
100
0.5p
470p
NO
C43
6p
11p
2p
C64
1SV325F
30p
C57
C54
22
NO
R32
4p
L15
33n
100p
-71
470k
1.5p
5p
7p
6p
27n
33p
3.5p
C67
3p
HVC376B
8p
6p
3.9k
7p
C58
E3
E,T
18n
L16
22n
2SK1875-F(V)
Q4
VCO/RX
KTC4075E(Y,GR)
Q10
RIPPLE
FILTER
2SC4919
Q306
BEAT SHIFT SW
2SC5636
Q11
RF AMP
IC306
R5F212CCKCMC
MCU
FREQUENCY
CONTROL
/RX VCO
D2,3,6
FREQUENCY
CONTROL
/TX VCO
D4,8
Q7
RT1P430U
DC SW/
RX VCO
Q8
RT1P430U
DC SW/
TX VCO
2SC5636
Q9
RF AMP
MODULATOR
Q5
2SK1875-F(V)
VCO/TX
KTC4075E(Y,GR)
Q6
RECTIFICATION
R:5.01V
T:0.58V
R:3.25V
3.69V
0.76V
5.02V
R:0.59V
T:5.02V
T:3.3V
4.70V
BSHIFT ON:4.97V
OFF:0V
4.82V
4.28V
R:3.69V
T:3.62V
R:3.70V
T:3.77V
TX-RX UNIT (X57-7582-XX)