56
TK-2217
SCHEMATIC DIAGRAM /
原理图
C4
0.01u
C15
10p
L401
R6
82k
C3
1u
R404
470k(D)
R12
2.2k
1
VoUT
2
SUB
3
NC
4
5
L7
C8
100p
R13
0
R15
220
1
2
3
4
5
6
7
8
9
10
B
R8
0
1
VoUT
2
SUB
3
NC
4
5
S
C12
1000p
1
VIN
2
VSS
3
CE
4
5
R405
330k
1
OSCIN
2
NC1
3
OSCOUT
4
VP
5
VCC
6
DO
7
GND
8
LD
9
NC2
10
FIN
11
12
13
14
15
16
17
18
19
20
C9
10p
R412
47k
C29
470p
C415
470p
C411
1000p
C
C14
0.01u
1
2
3
4
5
6
7
8
9
10
C418
5600p
A
L1
4.7u
C405
100p
1
B
2
SB
3
AFI
4
AFO
5
GND
6
UP
7
DOWN
8
GND
C417
1u
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
40
41
42
43
44
45
46
47
50
0
1
2
3
4
1
VIN
2
VSS
3
CE
4
NC
5
VoUT
R7
100
C7
100p
C419
1000p
C33
1000p
C456
0.1u
R406
470k
(D)
C6
0.1u
C16
1000p
C402
1000p
0
R408
47k
R407
330k
C401
470p
C409
1u
0
C410
1u
L6
C11
100p
R20
10
C407
1000p
S6
S7
S4
S8
S5
S19
S28
S20
S32
S29
S30
LCD ASSY (B38-0906-25)
LCD
S24
S22
S23
S25
S21
C1
C2
S1
S2
C3
S3
C4
S31
BATT
1
BATT
37
S33
5C
S11
S12
S9
S13
S18
TX-RX UNIT (X57-7120-10)
S15
PLL SYSTEM
S26
S27
S10
S16
S17
S14
F401
F53-0324-05
2.5A
D402
1SR154-400
REVERSE
PROTECTION
C406
4700p
C408
4700p
C403
0.1u
100
0
R403
R436
5
6
7
8
9
10
11
12
13
14
15
16
CN402
E40-6430-05
SB
5M
DI
DO
GND
NC
GND
GND
CL
CE
R10
R11
R9
CLK
NC3
DA
T
A
LE
FC
NC4
FOUT
P
NC5
R
IC1
MB15A02
C19
0.1u
C10
10u6.3
C21
10u6.3
C13
0.1u
SB
RESET
B
CL
PLL_CLK
5M
DI
5C
OSCIN
BATT
EN2
INT
EN1
DO
CE
PLL_UL
QTTCXO
PLL_STB
PLL_DAT
VR1
68k
R12-7491-05
oUTPUT
VCC
VC
GND
X1
12.8MHz
L77-1931-05
TXCO
C1
3300p
R4
56k
C5
1000p
C2
6800p
R3
33k
R2
10k
R1
22k
D1
MA2S111
RIPPLE
FILTER
R5 100k
CN401
E40-6363-05
IC402
XC6204B502MR
NC
VoUT
IC401
XC6204B502MR
VOLTAGE
REGULATOR/5V
IC401,402
D401
RB521S-30
IC403
BD4840FVE
VOLTAGE DETECTOR/RESET
5V PROTECTION
IC404
BD4845FVE
VOLTAGE
DETECTOR/INT
GND
VDD
GND
VDD
PT6554LQ
LCD DRIVER
R:3.70V
T:3.57V
5.00V
4.96V
4.76V
4.84V
R:7.56V
T:7.26V
R:7.28V
T:6.80V
4.72V
A
B
C
D
E
1
2
3
4
5
6
7
X57-712 1/4