When the unit SA-EH670 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. 6-2. )
2. Connect this unit to an AC power supply cord. / (This unit come to
stand-by mode.)
3. Turn the unit ON.
Fig. 6-2.
Notes:
Use only this method when checking the voltage.. / In case of
checking the operations, use the system connections to supply
power source.
7. Self-Diagnostic Function
9