I recently acquired an LC-40E77UN (60Hz) that I was told had no picture, but had sound. Seemed like another case of bad caps to me. I removed the back cover and plugged it in. I saw arching on the power supply (RDENCA354WJQZ / Delta DPS 208BPA). I disconnected the power and easily tracked down a BUBAR (burned up beyond all recognition) capacitor at C7816. Does anyone know/have the info on that little gem, or possibly a Delta board schematic? I have searched and checked a few places with no luck. The Sharp service manual does not have the Delta board schematic. I did hook it up to cable afterwards, plugged it in, and it displayed a black/white static screen (did not have time to switch to cable input on channel 3), AND a nice clear Channel 34 TV station logo for a few seconds before blinking out to a black screen. The power (P) and OPC (Optical Picture Control) (O) blinking codes repeat as follows: P and O simultaneously (pause) POPPO (pause) POP (pause) OPPO (pause) P (pause) P and O simultaneously Any help would be appreciated. Thanks! Replacement boards are in the $60 range, but where's the fun in that?
SOURCE: westinghouse lcd tv parts
can I have your LCD SCREEN? Mine is cracked and I sure could use a new one, or used if thats the case =)
SOURCE: Westinghouse SK32H240S TV will not show picture...
Some solutions to this same problem were posted here, hope this helps.
SOURCE: SOUND BUT NO PICTURE
I had the same problem today with the same symptoms. I tried a power reset, removing the cables, checked all inputs and got the same symptoms.
I found a temporary fix. When I turned the TV on, I immediately press the backlight but on the remote until the bar appears then lower the setting down to 10. This may take a couple of tries of powering the TV off/on. Once I got the setting lowered to 10, the picture stayed on. If you invoke any of the presets it will change this setting. I'm going to call someone and try to get more information on a permanent fix.
I hope this helps, at least I got the picture back.
SOURCE: black screen - sound works
westinghouse_w32701_27_in_hdtv_lcd
power on no picture good sound and channel page up and down works
on background u can see dark picture
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