29
SCHEMATIC DIAGRAM
TK-3301
X57-777 2/4
J
I
H
G
F
C72
0.1u
L17
270n
CP302
RK75HA1J473J
C62
470p
R41
5.6k
C85
470p
R19
27k
C83
470p
R30
27k
C69
470p
C59
1p
C77
470p
D4
1SV325F
TXD
CP303
RK75HA1J102J
X301
14.746MHz
L78-1433-05
C334
0.01u
R318
1.8k
L10
180n
R38
150k
R42
22
R21
12k
R319
0
C414
470p
R310
0
C335
10u
R32
470k
R27
680k
R315
10k
C331
0.1u
C36
3300p
L21
R35
82
R39
100
C84
470p
AFMUTE
CP301
RK75HA1J473J
R316
2.2k
C45
1u
R309
0
LD
R323
1k
L16
27n
R26
33k
L23
22n
C74
470p
R320
12k
R322
1k
VOX
C80
470p
TC2
10p
L22
22n
C75
470p
C58
0.75p
PTTSW
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
L20
180n
C332
5p
(B)
C44
1u
THDET
C78
33p
C337
5p
(B)
L303
C71
0.3p
C39
6800p
PCTV
D8
1SV325F
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
R43
470
L304
R394
47k
C81
15p
MDSW
C86
10p
C76
10u6.3
R317
4.7k
R33
100
AFCONT
MICMUTE
D9
KDV214E-P
RESET
R31
270k
R313
1k
2SC4919
Q305
R45
5.6k
L14
180n
R321
10k
W/N
C66
470p
RXD
R391
1k
MODE
QTI
R314
10k
C53
8p
C56
3.5p
C61
2.5p
C67
5p
C64
5p
R50
0
R37
4.7k
C413
470p
PLL_STB
5C
2ND_LO
BEAT SHIFT SW
TH_DET
5R_C
VCO
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
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
MODULATOR
EN3
VOX
EN4
LEDTX
AFVOLIN
MIC_MUTE
SB
QT/DQT_IN
PLL_DAT
5M
DIR
FREQUENCY
CONTROL
/VCO
BATT
DTRLOADN
BUSY
TXD
AF_CONT
RESET
D4,8
QT/DQT_IN
RSSI
DTRLOADN
PCTV
5T
PLL_CLK
TCLK/DTRDO
DIR
STD
IC305
BR24L16F-W
EEPROM
Q5
2SK1875-F(V)
VCO
2SC5636
Q9
RF AMP
2SC5636
Q11
RF AMP
2SC4919
Q306
BEAT SHIFT SW
KTC4075E(Y,GR)
Q6
RECTIFICATION
KTC4075E(Y,GR)
Q10
RIPPLE
FILTER
IC306
R5F212CCKCMD
MCU
3.52V
0.78V
5.00V
T:3.19V
3.99V
BSHIFT ON:4.96V
OFF:0V
4.81V
4.45V
R:3.81V
T:3.71V
TX-RX UNIT (X57-7772-70)