SCHEMATIC DIAGRAM
TK-3170/3173
59
J
I
H
G
F
S17
D25
MA2S111
S16
S13
S23
CP36
1k*4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
S22
KEY4I
CP34
1k*4
C43
0.01u
S3
R44
10k
KEY3I
D27
MA2S111
S2
KEY2I
S1
KEY1I
S15
S1
S28
C40
470p
S14
S12
CP13
1k*4
KEY4O
S29
D26
MA2S111
S5
CP11
1k*2
KEY3O
S26
CP12
1k*4
S7
C42
680p
KEY2O
S27
S6
B38-0901-05
KEY1O
S8
R42
10k
S34
S6
S4
S32
S5
L15
R43
10k
S33
S4
LCDCE
S30
S3
S10
R36
43k
S2
S31
S9
CP23 1k*4
S28
S11
S11
COM2
S10
NARROW
COM1
WIDE
S9
COM3
R37
10k
R31
10k
CP16 1k*4
S8
DMUTE
COM4
S30
S7
S17
S29
S14
TX
S25
CP18
1k*4
S15
RX
S26
S12
LCDINH
S27
1
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
S9
10
S10
11
S11
12
S12
13
S13
14
S14
15
S15
16
S16
17
S17
18
S18
19
S19
20
S20
21
S21
22
S22
23
S23
24
S24
25
26
27
28
29
30
31
32
33
34
35
36
37
COM3
38
COM4
39
VDD
40
VLCD
41
VLCD1
42
VLCD2
43
VSS
44
oSC
45
INH
46
CE
47
CL
48
DI
S13
LCDCLK
1
STRB
2
DATA
3
CLK
4
5MSC
5
SAVE
6
STSW
7
AM1
8
VSS
9
10
11
12
13
14
15
16
S34
LCDDAT
S21
S33
S18
S32
R40
47k
S19
S31
S16
SEL
S24
S18
S25
COM4
COM3
S22
C39
0.047u
COM2
S23
COM1
CP32
1k*4
S20
SEL
S24
D24
MA2S111
S21
C38
0.047u
S20
CP24
1k*4
C44
0.01u
S19
5T
BATT
5R
TX
SB
5C
5MS
E29-1205-X4
E29-1204-X4
LCDBL
5M
SSBC
5RC
3
B
LCDBL
9
2
SSB
6
7
0
#
5TC
*
5M
S
1
SSBC
8
A
C
LEDG
4
LEDR
5
INT
RESET
SAVE
5MSC
VOLIN
5MS
KEY
INPUT
DETECT
D24-27
4KEY BOARD
(X57-7010) (D/4)
STSW
QS
Q’S
TX
RX
OPST
VOXMUTE
OE
VDD
IC4
BU4094BCFV
SHIFT REGISTER
IC5
BU4094BCFV
SHIFT REGISTER
QS
Q’S
AQSFT
QTSW
LCDBL
MMUTE
OE
VDD
STRB
DATA
CLK
DMUTE
SSBC
WIDE
NARROW
VSS
SFTSTB
CLK
DATA
BATT
VOXMUTE
OPST
MMUTE
AQSFT
SP_M
STSW
5MS
5RC
5C
SSB
5T
SB
5R
5TC
VOLIN
SFTOE
LEDR
LEDG
INT
RESET
5M
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
IC6
LC75834W
LCD DRIVER
COM2
COM1
INT
LEDG
LEDR
RESET
ON:0V(Lo)
OFF:4.8V(Hi)
ON:5V
OFF:0V
X57-701 (B/4) 2/6, X57-701 (D/4) 1/1
TX-RX UNIT (X57-7010-XX) (B/4)