Question about Sharp 20R-S100 20" TV

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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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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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6ya6ya

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Posted on Jan 02, 2017

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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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Ikasu dvd boombox -no sound


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.

Feb 16, 2012 | Audio Players & Recorders

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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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1 Answer

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
if it ok pls check the mute transistor

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How to troubleshoot speaker


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.

Apr 27, 2010 | Televison & Video

2 Answers

SAMSUNG sp-p4231 sound, but no picture


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

Jul 04, 2009 | Televison & Video

1 Answer

F61 problem


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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