Question about Sony STR-DE197 Receiver
This is purely a fault in the display unit. you need to check the power supply to the display unit. Check the filament voltage and the grid voltage to the display from the display driver processor.
If absent the power supply should be checked , it can be a open fusible resistor if voltage is absent. If not the IC is defective. Check for dry joints of the display unit, the IC or the connector to the display board.
Posted on Oct 27, 2011
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Posted on Jan 02, 2017
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