Question about Sharp 20R-S100 20" TV

No sound and Picture okey

I have change the power IC but still no sound? What else are the part to be checkor replace?

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Noel Andres

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168 Answers

Speaker. see if it is open. by the way what power ic is that? is that the audio output ic?

Posted on Jan 15, 2007

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No picture or sound with a red flashing power light. Have replaced the convergence IC's but no change (do not have the chirpint sound). Removed main power board & green LED does not light up

On that model the conv IC is usually not the solution. I believe its the blown capacitor problem with is an easy fix. Check the site www.TvRepairKits.com for a repair kit.

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If you have power to the unit but no sound, chances are the audio output ic has shorted causing a load, turn volume down, power off, remove speaker wires, power on, if standby light stays on audio output ic needs to be changed. If however the standby light changes or goes off it indicates a short in the wires or speaker issue, hook up one at a time to identify the problem one.

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My SC-HT650 system reads F61. I think I need a new transformer. Where do I find that?

Not the transformer. probably needs a voltage ic or output ic. F61 is a voltage error code. if it was the power tranformer it would not power up at all. It also could be just a bad fan. The fan should start as soon as you turn it on.

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In chennai free kalaignar tv sound not coming i changed sound ic an 17823a still sound not coming ples sen me the detail of this sub!!

you replaced the power amp ic before that you need investigate the condition of power ic and it's very simple when you terned on the tv set you can hear the small pop noice from the tv speaker means the power ic is good other way is just tuch the screw driver to sound if output stage you can hear the DERRR sound from the speaker
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Hello sir, Hi!, the garble is caused by two things, 1. a bad speaker, 2. a bad power amplifier IC.

To test the Speaker,
Remove the speaker out from the TV, (this needs disassembly stuff) test it using any available portable amplifier. or radio, OR replace the speaker with the same size.

If this does not solve the garble sound, replace the power amp IC. (this really needs skills in electronics.) thats it.

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try changing the display IC that would be the frequent cause of such problems

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DIsconnect sound Amplifier ic (RSN).After removal of the ic if the unit works o.k offcourse without sound than replace ic.If still f61 than sound ic is o.k and check voltege regulators in power supply.You can check dc detect line if it gets activated.
F61 is mainly two resons 1st sound ic or power supply problem in power bord which send signal to system control to shut down the power in order not to damege more.

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No sound and Picture okey

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No sound and Picture okey

1 Answer

Noel Andres

1 Suggested Answer

6ya staff

Add Your Answer

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Related Questions:

Oil in coolant resevior

I have a sony hcd vx8 which had a problem with protect push power,so i read some of the solutions from here about changing STK411-240e.After changing the ic,the protect push power was gone but no sound.It...

No audio on sanyo ds31520 after replacing vertical IC.

No picture or sound with a red flashing power light. Have replaced the convergence IC's but no change (do not have the chirpint sound). Removed main power board & green LED does not light up

Ikasu dvd boombox -no sound

My SC-HT650 system reads F61. I think I need a new transformer. Where do I find that?

In chennai free kalaignar tv sound not coming i changed sound ic an 17823a still sound not coming ples sen me the detail of this sub!!

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SAMSUNG sp-p4231 sound, but no picture

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TCL ROKU HAS BLUE SCREEN I REPLACED ALL 3 BOARDS AT THE SAME TIME STILL DOES THE SAME THING

My Westinghouse 22"LED HDML tv sound is not working. I tried muting, unmuting, change channels, resetting, unplug, etc., etc. Sound still doesn't work. What can I do? I like this tv because it's very easy for me.

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