Sony KP-53SV70C, KP-61SV70C, KP-43T70C service manual +B OVP Confirmation

KP-43T70C/53SV70C/61SV70C

RM-Y906 RM-Y906 RM-Y906

4-4. +B OVP CONFIRMATION

1.Connect an external dc power supply to TP OVP.

2.Supply 120VAC to variable autotransformer.

3.Set PICTURE and the BRIGHTNESS controls to minimum.

4.Gradually turn the external dc power supply, and check if OVP works properly when the voltage of the external dc power supply is between 139.0 ~ 155.0V.

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