12 vdc measurement, 9 vdc measurement – Gasboy Site Controller III Start-Up User Manual
Page 77

MDE-4375 CFN Series Site Controller III Start-Up Manual · June 2005
Page 65
DC Power Measurement and Adjustment
6
Disconnect the meter probes.
7
Turn the AC POWER switch off and return the power supply cover to its normal location.
8
Turn the AC POWER switch back on.
+12 VDC Measurement
Locate TP3 (+12VDC) on the CPU PCB; measure the +12 VDC between TP3 (+) and TP2
(gnd) on CPU PCB.
The voltage should be +11.00 to +14.00 VDC.
Note: This voltage is not adjustable.
-12 VDC Measurement
Locate TP4 on the CPU PCB; measure the -12 VDC between TP4 and TP2 on the CPU PCB.
Voltage should be -11.00 to -14.00 VDC.
Note: This voltage is not adjustable.
+9 VDC Measurement
1
Locate TP5 on the CPU PCB; measure the +9VDC between TP5 and TP2 on the CPU PCB.
Voltage should be +6.00 to +10.00 VDC.
Note: This voltage is not adjustable.
2
Turn off power to the console and carefully set the upper half of the console on the lower half.
3
Replace the four screws in the bottom of the unit.
4
Turn on the power.