
37
SCHEMATIC DIAGRAM
TK-3302/3302
(
U
)
/3306
X57-758 2/4
J
I
H
G
F
C80
470p
PTTSW
CP303
RK75HA1J102J
D8
1SV325F
C70
0.5p
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
C66
470p
R35
100
X301
14.746MHz
L78-1433-05
PCTV
C81
15p
L19
180n
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
C57
*
R34
180
R31
270k
C79
470p
C335
10u
R315
10k
C71
*
CP301
RK75HA1J473J
TXD
C61
*
C60
*
TC2
10p
TC1
10p
R36
100
C39
6800p
R26
33k
C73
0.1u
C86
10p
R30
27k
R37
4.7k
R313
1k
L22
22n
R38
150k
R316
2.2k
R21
10k
C59
*
R323
1k
C332
5p
(B)
D3
1SV325F
D6
1SV325F
C62
470p
L13
180n
RESET
R32
*
C75
470p
R45
5.6k
MICMUTE
R318
1.8k
R27
680k
C63
6p
C77
470p
C56
*
C45
1u
L20
180n
C78
*
C414
470p
LD
C64
*
AFMUTE
R19
22k
L17
270n
C334
0.01u
C331
0.1u
C413
1000p
AFCONT
R321
10k
R320
12k
R317
4.7k
R310
0
C36
3300p
THDET
L21
C58
*
VOX
R394
47k
C44
1u
CP302
RK75HA1J473J
2SC4919
Q305
C74
470p
C72
0.1u
D4
1SV325F
C67
*
C68
470p
MDSW
L304
L10
180n
R43
470
L11
180n
R319
0
C53
*
C65
*
L18
270n
R314
10k
C337
5p
(B)
C52
*
C85
470p
R391
1k
QTI
RXD
L303
L14
180n
R309
0
L23
22n
MODE
C76
10u6.3
R33
*
C84
1000p
R39
100
C43
*
L16
*
L15
27n
D9
KDV214E-P
C69
*
R40
*
C83
470p
R42
22
R41
5.6k
R322
1k
QTTCXO
5R
EN2
APC_SW
PLL_UL
RESET
5C
W/N
B
PLL_CLK
EN3
5C_C
EN5
LEDTX
W/N
INT
2ND_LO
VOX
D4,8
5T
DTMF
QT/DQT_IN
PTT
5R_C
TXD
5M
SB
OPTDET
VCO (RX)
LEDRX
MIC_MUTE
VCO (TX)
EN4
2ND_LO
AF_CONT
PLL_STB
5M
FREQUENCY
CONTROL
/TX VCO
5T_C
PCTV
SIDE2
RSSI
5R
DC_SW
AFVOLIN
SB
LEDRX
BATT
LEDTX
MOD
PLL_DAT
MOD
BUSY
B
SIDE1
AFVOLOUT
AFVOLIN
5T
5C
TH_DET
EN1
STD
PTT
1/2_OSC
MODULATOR
AFVOLOUT
SCLK
TDATA/DTRCLK
RDF/FD
TCLK/DTRDO
DI/O
DIR
DTRLOADN
STD
DTRLOADN
RDF/FD
TDATA/DTRCLK
DI/O
TCLK/DTRDO
DIR
SCLK
PTT
TXD
PCTV
VOX
RSSI
AF_CONT
QT/DQT_IN
D3,6
FREQUENCY
CONTROL
/RX VCO
2SK1875-F(V)
Q4
VCO/RX
Q8
RT1P430U
DC SW/
TX VCO
Q7
RT1P430U
DC SW/
RX VCO
2SC5636
Q11
RF AMP
KTC4075E(Y,GR)
Q10
RIPPLE
FILTER
KTC4075E(Y,GR)
Q6
RECTIFICATION
IC305
BR24L16F-W
EEPROM
Q5
2SK1875-F(V)
VCO/TX
BEAT SHIFT SW
2SC4919
Q306
BEAT SHIFT SW
2SC5636
Q9
RF AMP
IC306
R5F212CCKCMB
MCU
R32
11p
22n
18n
L16
20p
C43
R40
C52
R33
9p
100
4.7k
100p
NO
C53
C58
1.5p
1p
390k
10
470k
9p
NO
C56
12p
8p
C57
8p
12p
1.5p
1p
C59
2p
4p
C60
C61
3p
7p
4p
6p
C64
5p
3.5p
C65
0.5p
470p
5p
C69
C71
4p
0.3p
C67
C78
30p
33p
NO
-23
K,P,(U)K,M
X57-7580-XX
TK-3306
TK-3302
-20
M3
M
TK-3306
4.01V
BSHIFT ON:4.97V
OFF:0V
T:3.14V
3.69V
4.91V
R:3.39V
R:0.59V
T:5.02V
0.76V
R:1.91V
T:1.79V
R:3.69V
T:3.62V
5.02V
2.21V
R:5.01V
T:0.58V
TX-RX UNIT (X57-7580-XX)