Kenwood TK-3170 E3 - Page 30

SCHEMATIC DIAGRAM TK-3170
27
X57-701 (B/4) 2/6, X57-701 (D/4) 1/1
TX-RX UNIT (X57-7012-72) (B/4)
JIHGF
S31
S30
LCDCE
S19
1
STRB
2
DATA
3
CLK
4
DMUTE
5
SSBC
6
WIDE
7
NARROW
8
VSS
9
10
11
12
13
14
15
16
CP12
1k*4
CP34
1k*4
S7 S9
S15
R37
10k
S26
S17 S10
S2
S23
S5
COM2
S18
LCDDAT
S24
CP24
1k*4
RX
S1
COM4
NARROW
S34
R40
47k
KEY3I
D24
MA2S111
S24
C40
470p
KEY2I
L15
S1
DMUTE
COM2
B38-0901-05
D26
MA2S111
KEY2O
S21
KEY1O
S27
S34
S5
S25
CP36
1k*4
S23
SEL
S25
COM1
S15
S3
S13
S31
WIDE
S2
S11
COM3
LCDINH
S10
C44
0.01u
S20
S6
TX
S32
S6
S8
S22
C39
0.047u
S14 S16 S21
CP32
1k*4
S18
SEL
R36 43k
S14
S4
KEY4O
D27
MA2S111
R44 10k
S12
S17
R42 10k
S33
KEY3O
S9
D25
MA2S111
LCDCLK
S4 S3
S7
S8
S28
S27
S29
S20
1
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8 S9 S10 S11 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
S25
26
S26
27
S27
28
S28
29
S29
30
S30
31
S31
32
S32
33
S33
34
S34
35
COM1
36
COM2
37
COM3
38
COM4
39
VDD
40
VLCD
41
VLCD1
42
VLCD2
43
VSS
44
oSC
45
INH
46
CE
47
CL
48
DI
COM4
COM1 COM3
R31
10k
C38
0.047u
R43
10k
C42 680p
S13 S19
CP13
1k*4
S16
CP23
1k*4
S29
CP11
1k*2
S30 S28
S22
KEY1I
S12
S11
C43
0.01u
CP18
1k*4
S32 S26
S33
KEY4I
1
STRB
2
DATA
3
CLK
4
5MSC
5
SAVE
6
STSW
7
AM1
8
VSS
9
10
11
12
13
14
15
16
CP16
1k*4
5M
5R
5MS
S
TX
SAVE
RESET
LEDG
BATT
B
LEDG
LCDBL
LEDR
VOLIN
INT
D24-27
5MSC
C
5T
5C
E29-1205-X4
5MS
RESET
5M
E29-1204-X4
LEDR
5TC
5M
SSBC
LCDBL
SSB
5RC
SB
A
KEY
INPUT
DETECT
INT
SSBC
4KEY BOARD
(X57-7012-72)(D/4)
IC6
LC75834W
LCD DRIVER
9
10 11 12
STSW
QS
Q’S
AQSFT
QTSW
LCDBL
MMUTE
OE
VDD
IC5
BU4094BCFV
SHIFT REGISTER
IC4
BU4094BCFV
SHIFT REGISTER
QS
Q’S
TX
RX
OPST
VOXMUTE
OE
VDD
4
1
7
*
5
0
8
23
#
9
6
LEDG
SFTOE
INT
LEDR
VOLIN
RESET
AQSFT
5R
5MS
SSB
5C
OPST
5RC
SB
5T
CLK
STSW
BATT
DATA
5TC
SFTSTB
MMUTE
SP_M
VOXMUTE
ON:5V
OFF:0V
ON:0V(Lo)
OFF:4.8V(Hi)