WILLETT 430 - CPU Board

430 Ink Jet Printer Service and Maintenance Manual
56
Issue 2
Part No. 306-0430-102
CPU Board
The CPU Board circuit diagram is included
Appendix A
in this manual.
(
1
) CPU board
(
2
) IC U31
(
3
) IC U40 and U41
(
4
) IC U38 and U39
(
5
) IC U19
(
6
) Ni-MH battery
(
7
) IC U21
1
2
3
4
5
67
8
(
8
) IC U9
Figure 23 CPU Board Major Components