Canon External 2/3 Hole Puncher-B1, Service Manual

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Chapter 4
4-9
4.6.2 Punch Controller PCB
0023-7195
F-4-12
T-4-8
4.7 Upgrading
4.7.1 Upgrading
0023-7196
Overview
A flash ROM is used for the IC601 (CPU) of the Puncher unit. To upgrade this IC, the downloader PCB (FY9-2034) is used. The operating instructions for it are
given below.
How to Use the Downloader PCB (FY9-2034)
1.When to Use the Downloader PCB
The downloader PCB is used when upgrading the CPU (IC601) of the Punch Controller PCB.
2.Member part of the downloader PCB
F-4-13
T-4-9
Switch Function
SW601 Used to set various adjustment mode settings.
SW602 Used to make adjustments, start input, and store the input.
SW603 Used to store input.
No. Description Function
[1] START/STOP key A key to be pressed when you start or stop download
[2] LOAD LED To be lit when download is available.
[3] Model LED To be lit when the Puncher is connected.
4 1
J604
2
1
J603
1
3
J601
A13
A1
J605
A1
A11
J607
SW601
4
1
J606
1 6
J602
1 7
J608
SW602
SW603
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