JCM TAIKO - Page 46

TAIKO Service Manual
2-8
CHAPTER
2
© 2006 Japan Cash Machine Co., Ltd.. All rights reserved.
PW12V
12V±5%
GND
7 8
CN1
1 2
GND
Reserve
R10
1K 1/4W
Reserve
RXD -
TXD -
5 6
3
TXD +
4
RXD +
MDB/ID003
R9
1K 1/4W
NC9
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
SN74LV14A
3
5
4
TR 2B
UMH9 N
D21
1SS400
D19 1SS400
DGND
ACCEPTOR CPU BOARD
DC12V
12V±5%
GND
7 8 1 2
GND
Reserve
RXD -
TXD -
5 6
3
TXD +4
RXD +
MDB/ID003
Reserve9
CONTROL BOARD(Example)
RL=470Ω (1KΩVQΩ)
DC5V
12
IC1A
HC14
GND
34
IC1B
HC14
DC12V
2SK1580
GND
56
IC1C
HC14
MDB/ID003 (Example)
MAX 9600bps
10mA (5mA to 15mA)
TYP=10mA
10
10
PW12V
PWGND
Reserve
Reserve Reserve
52uS
104uS
* At leaset 5mA is necessary. * At leaset 5mA is necessary.
Power
2-3-2. ID-003 (Serial)/MDB Interface Circuit