Posted by admin | Posted in Uncategorized | Posted on 11-03-2011
Tags: bracket, computers, hitachi wall mount, hitachi wall mount projector, hitachi wall mounted air conditioner, hitachi wall mounted air conditioning, hitachi wall mounted sx8, plasma, tilting, uncategorized
hitachi plasma tv troubleshooting?
my 42 inch plasma unit from Hitachi(42 PD 7800TA) suddenly stopped working after a year of purchase. I wall mounted it and one day when we were watching it suddenly the screen went blank.
Now when I turn it on ,there is nbo picture despite the indicator light is green.
Plz can anybody help me
These units are board level repair and they have a self-diagnostic function. The information listed below came from the 42PD5000 manual, but I suspect it is very similar to your unit. To active this function you first turn it off (master power on in stand-by) then on the plasma you push and hold the (sub) power button and the down arrow at the same time and hold them for 5 seconds after it comes on. this will activate a series of red LED flashing a code. The code will blink 1/2 second on, 1/2 second off till the total count is done then it will stop for 2 seconds and repeat. Any other function button will stop the diagostics. One blink maybe the Logic board, two blinks the X-Sus board, three blinks maybe the Y-Sus or the Scan driver module (SDM), four blinks maybe the X-Sus, Y-Sus, SDM or the Power Supply (PSU), five blinks maybe the ABUS, the Address driver module (ADM), or the PSU, six blinks maybe cause by the ADM temperature, and eight blinks maybe “all the above-mentioned boards. I have seen a lot of the Y-sus board and the PSUs. This should at least give you an idea of what to expect. Note: as you may notice these codes are very vague and and seam to overlap a lot. That’s why repairing these units sometimes is very difficult. And difficult usually means more money. Good luck, and don’t take it to the Mom&Pop repair facility, take it to a Hitachi authorized repair shop in your area.
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