Question about Sanyo DP32746 32 in. LCD Television

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I have a 32 inch LCD TV from Sanyo. There is no display and there is a smoke behind the TV. The guy who came to fix the issue told me that the entire PCB is to be changed. Is this true? If yes, how much it costs including service charges. I purchased it 1 year and 8 months before. Please advice.

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Your repairer is likely to be entirely correct, without examining the tv directly it's impossible for anyone on FixYa to say he's wrong. Although the circuit board might be repairable, the extra time involved in tracing and fixing the fault will often be higher than any savings made by fixing the part. A repaired pcb with heat damage is also far more likely to cause additional problems in the near future which may not be presently evident, so the prospect of a further call-out for unpaid remedial work means that most repairers will not be interested in repairing the pcb.

Repair costs depend entirely upon local labour rates, taxes, and parts costs, and as you haven't said which country you're in it's impossible to give an opinion. Replacing the board should take under an hour, but many repairers will often clearly state that their minimum charge is for one hour and then charge for additional time in complete half hour units. Expect the total repair cost to be a little in excess of around 50% of the cost of a replacement tv. If it's lower than that then count it as a bonus.

Posted on Sep 14, 2010

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This might be a problem with the circuitry of the screen driver. what happens is the one of the drivers in the display matrix IC goes bad and it can not fire that one string of LCD elements, and this creates the line that you see. Since the line is pink, I would say that the driver is incorrectly firing the string of LCD elements. I would suggest that if you have a background in electronics you check the voltage levels on the display driver IC and the connection to the screen. If you do not have a background in electronics I would suggest that you have a qualified TV technician fix your problem.

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