Canon Puncher Unit-L1, Portable Manual

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Chapter 4
4-6
4.2 Variable Resistors (VR), Light-Emitting Diodes (LED), and
Check Pins by PCB
4.2.1 Overview
0003-4721
Of the LEDs and check pins used in the machine, those needed during servicing in the field are discussed.
Do not touch the check pins not found in the list herein. They are exclusively for factory use, and require special
tools and a high degree of accuracy.
4.2.2
Punch Controller PCB
0003-4722
F-4-5
T-4-5
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.
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