Power Supply Board Failure Check - Haier HLC22R Service Manual

9.2 Power Supply Board failure check

: No power
State
First, check cables which connect with PSU, then check as follows
1) Check PSB input voltage AC input
voltage : 120V
connector : CN7
2 Check PSB output voltage orderly
voltage : +12V ,+12V
connector:CN3 P6,P7
34