Technics RS-DV290EG Service Manual page 67

- Correction procedure
Faulty Tuner/Amplifier (SA-DV290) output IC (IC601).
(When a DC voltage is applied to speaker terminals.)
7. To Supply Power Source
This unit SA-DV290 is designed to operate on power supplied form system connected.
For system connection, refer to Fig. 7-1.
When the unit SA-DV290 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. 7-1.
Fig. 7-2.
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