SOURCE: Panasonic Rear Projection TV -dark picture
Javabean,
First off I think you meant Panasonic PT-51G44A which is an AP815 chassis. That unit has an all to common failure of the capacitor at C581 on the D board which is a 33uf/160v cap. Replace it and I think that will solve the problem..
Bill
SOURCE: PT-45LC12 Problem after startup
When the lamp flashes 4 times this is what the error code means IC 2301 pin 11 has detected an LCD error which is caused by an error in the LCD power CBA. which means the lamp voltage has become more than 130 volts or less than 30 volts. Or the lamp current is more than 5 amps, or the lamp is cracked. Its one of thos 3 reasons that will make the lamp indicator blink 4 times. Hope this helps. If you need the service manual for this model you can get one emailed to you from the following link.
http://servicemanuals.vstore.ca/
SOURCE: Resetting lamp replacement warning
Turn the TV on and press recall to clear the warning. Then hold down the volume " - " button on the tv and the PIP (Play) button on the remote for ~ 5 sec
SOURCE: lamp reset
Pushing the - volume button on the tv and split above the play button at the same time for ten seconds or - volume on the tv and the split control button at the same time. The lamp reset message should come on.
SOURCE: replacing a lamp for a panasonic pt 45lc12
Go here and download the "Datasheet"
http://www.mcmelectronics.com/product/P-TY-LA1500#?gclid=CPzAv4627poCFQhhnAoduxTECA
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My real problem was that I lacked information on the TV because we misplaced the owner manual. I have since been on line and downloaded a copy of the manual from Panasonic.
The picture was very dark when viewing most TV movies...almost as though the film was shot in the dark. According to the manual, I adjusted the picture and switched between cinematic mode and normal. In either mode the picture could not be improved much and the picture was darker in cinematic mode.
Unfortunately, adjusting the picture brightness and changing the contrast didn't help much. The picture washed out, though it was somewhat better for viewing.
I suspect the projection lamp is reducing its light output with age. If you have some other thoughts about this issue, I would much appreciate the input.
Frankly, I'm considering replacing the unit with a plasma or LCD TV that requires no lamp replacements.
Solution chack on this site www.solve.tk
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