PUSH-BUTTON BOARD
This board controls the alphanumeric display, the selec-
tion buttons and the programming button (see Fig 28).
It supports the coin mechanism connectors as well as the
printer port.
Fig. 28
1
- Selection button connectors
2
- Not used
3
- To mechanical counter (optional)
4
- To actuation/CPU board
5
- Input
6
- Display adjusting trimmer
7
- To display
8
- 12 Vdc validators
9
- Not used
10
- RS232 serial port
11
- Not used
12
- Programming access button
13
- Wash button
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31
Fig. 29
1
- Push-button board
2
- Mechanical counter support
3
- Display board
4
- RS232 serial port
5
- Wash button
6
- Programming access button
BOILER CONTROL BOARD
This board (see Fig. 30) controls the boiler heating ele-
ment.
Fig. 30
07 06 275- 00