Before Repair And Adjustment; About The Protection Circuitry - Technics RS-DV290EG Service Manual

- Video cord
(K2JA2A000018)....................1 pc.
- RCAJ adaptor for (EE) area
(K1JZ24D00002)....................1 pc.

2. Before Repair and Adjustment

1. Turn off the power supply. Using a 10
both ends of power supply capacitors (C701-704) in order to
discharge the voltage.
2. Before turning the power supply on, after completion of repair,
slowly apply the primary voltage by using a power supply voltage
controller to make sure that the consumed current at 50 Hz in NO
SIGNAL mode should be shown below with respectto
supplyvoltage230 V/240 V.
Areas
Power supply voltage
Consumed current

3. About the Protection Circuitry

The protection circuitry may have operated if either of the following conditions is noticed:
(EE)
AC 230V
50 Hz 130-380 mA
6
, 10W resistor, connect
(GN)
AC 230-240V
50 Hz 130-380 mA