Power Supply; Checking Voltages - Canon ColorPASS-Z20e Service Manual

5.9 Power Supply

The fan-cooled 155 watt power supply used in the ColorPASS has an automatic input
voltage selection circuit. The input voltages are 100-240VAC.

5.9.1 Checking Voltages

You can check power supply functionality using a multimeter at the following locations:
• Connector that supplies power to the motherboard
• Connector for future options
Test voltages on the cable connectors on the power supply, not on the board or component
connectors. T04-509-01 describes the ColorPASS power connectors.
Connector
20-pin Motherboard
Large 4-pin
HDD
Large 4-pin
(not used)
Large 4-pin
(not used)
Large 4-pin
(not used)
Small 4-pin
(not used)
COPYRIGHT© 2000 CANON INC.
Pins
1, 2, 11
3, 5, 7, 13, 15, 16, 17
18
4, 6, 19, 20
10
12
14
8
9
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
T04-509-01 ColorPASS power connectors
2000 2000 2000 ColorPASS-Z40e/Z20e REV.0 AUG. 2000
CHAPTER 4 DISASSEMBLY/ASSEMBLY
Color Voltage
Green 3.3V
Black common
White -5V (not connected)
Red +5V
Yellow +12V
Blue -12V
— not connected
— Supply Power OK
Red +5VSB
Yellow +12V
Black common
Black common
Red +5V
Yellow +12V
Black common
Black common
Red +5V
Yellow +12V
Black common
Black common
Red +5V
Yellow +12V
Black common
Black common
Red +5V
Yellow +12V
Black common
Black common
Red +5V
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