4-3.
Power Malfunctions
(1) Main Relay Does Not Turn ON
• Power Switch S1
• Main Relay RY1
• Power Supply Unit PU1
Except European Areas
Relevant Electrical Parts
• Master Board PWB-A
• Power Supply Board PWB-C
• Noise Filter Board PWB-D
• RAM Board PWB-R
T-80
1173C23TAB