36
TK-2212/2217
SCHEMATIC DIAGRAM
A
B
C
D
E
1
2
3
4
5
6
7
X57-712 1/4
C14
0.01u
R5
100k
C12
1000p
R11
0
1
B
2
SB
3
AFI
4
AFO
5
GND
6
UP
7
DOWN
8
GND
C4
0.01u
C15
10p
R412
47k
R408
47k
R4
56k
C411
1000p
R405
330k
C9
10p
R404
470k(D)
1
VIN
2
VSS
3
CE
4
5
C7
100p
R8
0
C402
1000p
C407
1000p
C13
0.1u
C11
100p
R7
100
D402
1SR154-400
C409
1u
1
VIN
2
VSS
3
CE
4
5
L6
L7
R406
470k(D)
C408
4700p
C415
470p
L1
4.7u
C418
5600p
C19
0.1u
R436
0
C419
1000p
1
VoUT
2
SUB
3
NC
4
5
C10
10u6.3
C5
1000p
R2
10k
R6
82k
R13
0
R10
0
R20
10
R3
33k
C456
0.1u
C405
100p
R15
220
R1
22k
VR1 68k
R12-7491-05
C2
6800p
1
2
3
4
R403
100
1
VoUT
2
SUB
3
NC
4
5
IC1
MB15A02
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
C6
0.1u
C33
1000p
C410
1u
1
2
3
4
5
6
7
8
9
10
R9
0
L401
C16
1000p
C406
4700p
C417
1u
R12
2.2k
C3
1u
C21
10u6.3
C1
3300p
C403
0.1u
R407
330k
C401
470p
C29
470p
C8
100p
A
C
S
B
1
2
3
4
5
6
7
8
9
10
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
BATT
BATT
5V PROTECTION
REVERSE
PROTECTION
PLL SYSTEM
TX-RX UNIT (X57-7120-XX)
S33
37
1
S32
S31
S30
S29
S20
S28
S19
S27
S26
S15
S18
S14
S17
S16
S10
S13
S9
S12
S11
S5
S8
S4
S7
S6
C4
S3
C3
S2
S1
C2
C1
S21
S25
S23
S22
S24
LCD
LCD ASSY (B38-0906-15)
5C
PT6554LQ
LCD DRIVER
5
6
7
8
9
10
11
12
13
14
15
16
CE
GND
NC
GND
DO
DI
5M
SB
CL
GND
CN402
E40-6430-05
RESET
SB
DI
5M
CL
CE
DO
INT
BATT
GND
VDD
IC404
BD4845FVE
VOLTAGE
DETECTOR/INT
IC403
BD4840FVE
VOLTAGE DETECTOR/RESET
GND
VDD
IC401
XC6204B502MR
NC
VoUT
NC
VoUT
IC402
XC6204B502MR
IC401,402
VOLTAGE
REGULATOR/5V
D401
RB521S-30
F401
F53-0324-05
2.5A
X1
12.8MHz
L77-1931-05
TXCO
D1
MA2S111
RIPPLE
FILTER
B
5C
PLL_CLK
PLL_DAT
PLL_STB
QTTCXO
PLL_UL
EN1
EN2
OSCIN
oUTPUT
VCC
CLK
NC3
D
ATA
LE
FC
NC4
FOUT
P
NC5
R
CN401
E40-6363-05
VC
GND
4.96V
5.00V
R:7.28V
T:6.80V
R:7.56V
T:7.26V
4.72V
4.84V
4.76V
R:3.70V
T:3.57V