TM 11-6625-3041-12/TO 33A1-8-908-1
This step checks the following:
External . . . . . . . . . 115 Vac power outlet
Accessory . . . . . . . . Power cable
AC Input card . . . . 12V Ref circuit
Case Assembly . . . . POWER input connector
POWER indicator
If POWER indicator does not light:
Press LAMP TEST pushbutton. If any other indicator lights,
possible cause is POWER indicator lamp. Replace (refer to
If no indicator lights when LAMP TEST pushbutton is pressed,
possible cause is 115 Vac power outlet. Check outlet. If
power is missing, connect SG-1139 to an outlet in which power
is present and repeat step 1.
If outlet is functional, possible cause is power cable.
Replace or repair (refer to para 2-15), and repeat step 1.
If replacement power cable does not provide proper indication,
possible cause is AC Input card A2. Replace (refer to
If replacement AC Input card does not provide proper indica-
tion, possible cause is POWER input connector or POWER circuit
breaker.
Evacuate equipment to depot for repair.
3-15