When the unit has to test and service alone, use the following method to supply power source.
1. Short the section between W902A Pin 3 and C740 (-) (GND). (Refer
to Fig. 7-2. )
2. Connect this unit to an AC power supply cord. / (This unit come to
stand-by mode.)
3. Turn the unit ON.
Fig. 7-2.
Notes:
Use only this method when checking the voltage etc.. / In case of checking the operations, use
the system connections to supply power source.
8. Self-Diagnostic Function
This unit is equipped with a self-diagnostic function which, in the event of a malfunction,
13