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Sony Master
14,585 Answers
- Posted on Mar 24, 2022
Re: Sony TV model # KDL55HX800- no sound/no picture. 3.3...
- buy the service manual yet?
- get a real shop TV to fix it?
- what to look for in this complex mess really? well lots.
- all DC supply rails not just 2.
- Screen dead make sure LED back lamps have DC power.
- does flash light pointed to screen show data/??????
- no sound but gee lacking a screen how would you find a sound source input. hard no? yes. a mp3 file on USB"
- its not just dead clicker battery is it?
- this tv uses 167watts of power old is it? 2010 made. 12 years old it is. but is LED back lamp'ed I think.
- connect DVD deck player via HDMI and put in DVD and push play on deck and hear sound now?????????? hummmmm
- below RIGHT BOTTOM TV SIDE TURN OFF POWER SAVINGS?
- THERE IS 2 POWER ON BUTTONS 1 TV , 1 REMOTE BOTH FAIL>? AND SAVER BUTTON TRY BOTH MODES? YET.
- turn up volume and try playing DVD? fo sound works Backlamps are dead?
- The TV will indicate any problems with the STANDBY indicator flashing in reD and is a code. does it.
- the LED driver board bad or power to it is dead. (LED back lamps)
- and vastly more , any board that kills power DC or data then the screen goes dead.
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