Technics RS-DV290EG Service Manual page 199

1. Connect a DC power supply to JK1-5pin and JK1-6pin and .
Then adjust the outputs to 10V for 5pin (refer to Fig. 5 and Fig. 6)
Note:
Use only this method when checking the voltage etc..
In case of checking operations, use the system connections to supply power source.
11. Block Diagram
12. Schematic Diagram Notes
Fig. 5
Fig. 6
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