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Intermitten picture loss audio ok - Akai LCT4216 42 in. LCD Television

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My lg hd tv intermittenly loses its picture


Check the signal input connections for firmness. If all are found OK, contact any service technician to troubleshoot. Electro help

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No sound picture ok adio output ic good sharp tv model 21V-FW150M


If this is confirmed the fault seems to be in the preamp section or the SIF- sound intermediate frequency section. If you have confirmed that the output is workingg by conneccting an input to the audio input then it should be confirmed that there is no output from the audio line out.
If so you will need to trace using a AF- audio frequency- signal to confirm the area of loss of the AF.
Sometimes this can be some coupling stages or an OP-Amp.
Please trace using a signal and a voltage test. If not get help.

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1 Answer

My hd52g886 has intermitten picture with sound


when the picture is out see if you can see the lamp light on in the back inside the tv. if its still on you might have a problem with the optical engine. if not try replacing the lamp part# tscl110u

Mar 27, 2010 | JVC HD-52G886 52" Rear Projection HDTV

1 Answer

47in Phillips-tv picture goes black still has


Could be the signal board has a bad cap, in this case it sounds like you are getting intermitten power to the inverters....when the tv goes down and of course you have audio....Shine a flashlight on to screen and see if you have a picture...look carefully. If this is the case..you have the above problem!

Nov 23, 2009 | Televison & Video

1 Answer

No picture/intermitten picture


I just got through explaining this to someone else - the HDCP encryption system that Philips uses is not future-proof - you will continue to have this problem as long as you use an HDMI connection with a Philips TV. My advice, which you can take or leave, is to use Component (Red, Green and Blue) cables. you won't get 1080p, but you will get 1080i, which is pretty close.

-Tha Mp3 Doctor

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1 Answer

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IT is the Y Sustainer board blowing fuses. IT has 2 fuses. I have worked on severl of this model and the Y Sustainer board goes bad and blows the fuses.

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1 Answer

Diagonal lines across picture


do you have a dvd or vcr hooked up to this? Is it hooked up with the a/v cables (yellow, red and white). double check the cable hookup make sure audio cord is not in the video jack, from what you are saying this will do that if it is. Also there is a capacitor on the main board believe it to be C3412 which intermittenly gives horz. lines but haven't had a audio tone with that.

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1 Answer

Sanyo ds325390


Intermittent loss of lower frequency channels ie Ch:36, higher channels ok
Dry joints in UHF tuner, resolder the PCB to casing earth connections inside tuner

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