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Test voltages on the connectors of the power supply cables, not on the board or compo-
nent connectors. The following table describes the power connectors.
Connector
20-pin Motherboard
4-pin HDD
4-pin
CD-ROM drive
COPYRIGHT © 2002 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
T04-405-01 iR-M2 power connectors
2000 2000 2000 2000
NM-PDL REV.0 JULY 2002
CHAPTER 4 SERVICE PROCEDURE
Color
Voltage
Green
3.3V
Black
GND
White
-5V
Red
+5V
Yellow
+12V
Blue
-12V
-
not connected
--
Supply Power ok (Input pin; no
voltage to check)
Red
+5VSB
Yellow
+12V
Black
Common
Black
Common
Red
+5V
Yellow
+12V
Black
Common
Black
Common
Red
+5V
4-41
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