2-9
TAIKO Service Manual
© 2006 Japan Cash Machine Co., Ltd. All rights reserved.
CHAPTER
2
2-3-3. Pulse Interface Circuit
PW12V
12V±5%
GND
7
8
CN1
1
2
PWGND
Reserve
R10
1K 1/4W
RXD -
TXD -
5
6
3
TXD +
4
RXD +
R9
1K 1/4W
NC
9
PULSE
R15
22K
D5V
R24
470Ω
D5V
PW12V
PWGND
9
8
IC1D
SN74LV14A
3
4
2
1
PC2
PS2811(K)
3
4
2
1
PC
1
PS2811(K)
C1
100pF
C2
100pF
5
6
IC1C
SN74L
V
14A
3
5
4
TR
2
B
UM
H9
N
D21
1SS400
D1
9
1SS400
DGND
ACCEPTOR CPU BOARD
DC12V
12V±5%
GND
7
8
1
2
GND
RXD -
TXD -
5
6
3
TXD +
4
RXD +
9
PULSE
CONTROL BOARD(Example)
RL=470Ω
(1KΩ
VQ
Ω)
DC5V
1
2
IC1A
HC14
GND
3
4
IC1B
HC14
DC12V
2SK1580
GND
56
IC1C
HC14
PULSE (Example)
Setting of DIP Switch
- Pulse Width
- Pulse Speed
10mA
(5mA to 15mA)
TYP=10mA
10
10
PW12V
PWGND
Reserve
Reserve
Reserve
* At leaset 5mA is necessary.
FET=ON
(FET=ON ENABLE)
(FET=OFF DISABLE)
Reserve
Reserve
Reserve