Canon AS-100M Field Service Manual page 84

[Adjustment!]
Adjust VR1 of SWITCHING REGULATOR shown in Fig. 5.2.6, with insulated
screwdriver so that +5V of MOTHERBOARD will be +5.IV.
Use an insulated screw driver since high voltage are applied
to heat sink and collector of transistors having caution labe.
Connectors
5" FDD internal power
supply connector
I/O MOTHER power supply
connector
MOTHERBOARD power supply
connector
Fig. 5.2.6
Connector
Mo.
CN5
CN4
CN3
Table 5.2.1
5-7
Pin
Voltage
No.
+12V
1
GND
2
GND
3
4 +5V
-12V
1
♦12V
2
GND
3
♦5V
4
-12V
1
+12V
2
GND
3
♦5V
4