38
TK-3230
SCHEMATIC DIAGRAM /
原理图
X57-733 1/4
7
6
5
4
3
2
1
A
B
C
D
E
C430
1u
R423
39k
C400
470p
R416
100k
R428
100
R425
39k
C401
1u
R429
0
R403
47k
C420
8p
R404
100
Q401
DTC114EE
R408
1k
R445
1.5k
R444
0
C432
0.022u
R431
10k
R417
150k
R422
39k
R434
10k
C434
0.068u
R406
1k
C426
1000p
D400
B30-2143-05
R401
180
S1
R424
100
L400
C417
470p
C433
0.1u
Q405
KRA305E
Q404
KRA305E
Q406
KRA305E
C411
470p
C421
470p
R446
1k
R447
1k
R448
1k
R449
1k
R450
1k
R441
1k
R407
1k
R405
47k
R409
47k
R437
47k
R453
47k
R412
47k
R402
47k
R400
0
S5
S3
S6
IC401
XC61CN2702N
1
oUT
2
IN
4
VSS
3
NC
C423
8p
R430
0
C402
470p
X400
7.37MHz
L77-3036-05
C419
10u
Q402
DTC114EE
Q400
DTC114EE
R418
0
C418
0.1u
C415
0.1u
C413
0.1u
R435
47k
R420
47k
R419
47k
R421
47k
1
CK
2
D
3
Q
4
GND
5
Q
6
CLR
7
PR
8
VCC
R442
68
L402
R413
1k
C412
10u10
R414
1k
R410
100
R411
100
CP400
RK74HB1J103J
CP401
RK74HB1J103J
CP402
RK74HB1J103J
IC406
BR24L08FJ-W
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
R433
47k
C414
0.1u
R460
47k
C437
0.01u
C442
100p
L403
L404
L405
R464
1k
L406
C443
100p
R466
100k
C448
100p
R472
1M
C428
100p
IC404
BH30FB1WG
1
VIN
2
GND
3
STBY
4
NC
5
VoUT
C460
0.1u
R475
100k
R482
27k
C470
0.018u
R479
1.8k
R483
120
IC400
XC61CN2802N
1
VoUT
2
VIN
4
VSS
3
NC
C468
0.1u
R486
82k
R487
150k
D401
B30-2278-05
R490
47k
R491
100k
IC403
D338327A22WV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
SA
VE
22
3RC
23
3TC
24
GLED
25
RLED
26
CVCC
27
VSS
28
V3
29
V2
30
V1
31
V0
32
VCC
33
BA
CKLIT
34
COM3
35
COM2
36
COM1
37
PTT
38
UP
39
DO
WN
40
MONI
41
MENU
42
CALL
43
EEPDATA
44
EEPCLK
45
MIC MUTE
46
SHIFT
47
PDATA
48
PCLK
49
PEN
50
3MSC
51
PABC
52
SP AMP
53
SEG
54
SEG
55
SEG
56
SEG
57
SEG
58
SEG
59
SEG
60
SEG
61
SEG
62
SEG
63
SEG
64
SEG
65
SEG
66
DEB
UG
67
DEB
UG
68
DEB
UG
69
W/N
70
RXD
71
TXD
72
BA
TT L
73
A
VCC
74
THP
75
RSSI
76
B
USY
77
TI
78
BA
TT
79
VO
X
80
UL
S2
S4
BATL
RESET
GLED
SP
AMP
P
D
ATA
SHIFT
EEPCLK
BA
CKL
T
CL2
CL1
BOOT
RESET
L401
BA
CKL
T
RLED
PCLK
CALL
UP
PTT
DO
WN
COM1
COM2
COM3
MONI
MENU
BA
T
PEN
MICMUTE
RLED
GLED
3TC
3RC
3CC
3TC
3CC
3RC
DIR
DI/O
T
D
ATA
TCLK
BEEP
PC
RESET
MONI
CALL
MENU
DOWN
SCLK
SPDET
UP
PTT
COM2
COM1
COM3
QT/DQT_IN
SHIFT
BA
TL
RSSI
B
USY
BA
T
VO
X
THP
TXD
PTT
W/N
UL
EEPCLK
RDF
2SC4919
Q403
2SC4919
Q408
C427
33p
C422
33p
BUSY
TX
LCD
BACKLIGHT
PTT SW
MCU
LCD
DC SW
(BACK LIGHT)
DC SW
(BUSY)
DC SW
(TX)
TX/BUSY
RESET SW
VOLTAGE DETECT
BEAT
SHIFT SW
BEAT
SHIFT SW
DC SW (3T)
DC SW (3C)
DC SW (3R)
VOLTAGE
REGULATOR(3V)
EEPROM
SB
SB
3M
3M
3M
3M
3R
3C
3T
TX-RX UNIT (X57-7330-10)
KEY TOP
SP DET
AVSS
X1
X2
VSS
OSC2
OSC1
TEST
RESET
SCLK
PC
BEEP
DIR
DI/O
TDATA
TCLK
RDF
TO
TO
BOOT
IC405
TC7W74FU-F
DIVIDER
R:2.976V
T:0V
ON:2.82V
R:0V
T:2.97V
3.80V
2.99V
2.977V
ON:2.988V
OFF:0V
1.834V
2.977V
R:0.03V
T:2.985V
2.89V
2.94V
2.845V
R:0.03V
T:2.99V
ON:0.03V
3.80V