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Servicemenu audio ic is good but still no sound

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Press [display] key on the remote handset and button on tv set, simoultaniously. "serv" will be displayed on screen to indicate that the tv is now in service mode. To get more details, http://electronicshelponline.blogspot.com/. Service mode entry, adjust and exit procedure to many popular TVs are given in detail.

Posted on Nov 17, 2013

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Posted on Jan 02, 2017

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1 Answer

Audio output only out of one output


hello sir,

often this is sound IC fault, if one IC there change it and it will fix the other audio output, as the sound IC have two outputs and one of it doesn't output the audio,

if two sound IC's, it's a must one of it is faulty, you better change both for long run of the audio amplifier

good luck

Oct 18, 2015 | Car Audio & Video

1 Answer

Everytime I turn on the television everything works fine except no sound. Sometimes unplugging the set and plugging it back in a few moments later fixes it. Sometimes redoing the 10 minutes long auto...


it signifies that there is a problem in the audio circuit on the PCB BOARD TV, you should check starting from the section "Audio Amplifier" check incoming voice signals on the L or R-in Audio-in Audio that led to the AUDIO IC amplifier. If you hear a sound when touched (touch point of tin solder to use a screwdriver) audio input pin means in part that there is no problem, you proceed to check into the IC close to the tuner (it is usually called Chroma IC / VIDEO + combination of Horizontal Drive + Vertical Drvie + IF). Just look at the physical form of IC is greater than the other ICs. tin solder first check whether there are loose or melting resulting in less good solder connections on each foot of the IC. It enables voice sometimes appear and sometimes not. if, after checked and looked normal / still good, you must replace the IC. I did not explain exactly NO. CODE from the IC because you do not describe the specific model and brand of your Flat TV.

Aug 26, 2010 | Televison & Video

1 Answer

Toshiba tv, model cf32c50 has a garbled sound issue.


distorted sound sometimes accompanied by buzzing is caused by detuned circuit in the SIF amplifier and sound detector circuit. a distorted sound alone is caused by a breakdown in AF amplifier circuit so try to change the sound ic since its the only options left. good luck!

Jul 27, 2010 | Toshiba Televison & Video

1 Answer

No sound from my NAD C325BEE amplifier


audio ic problem or component around audio ic.. good luck

Apr 26, 2010 | NAD C325BEE Amplifier

1 Answer

I can not hear any Audio


Hello,

the sound IC is bad, that' why you cannot hear any audio from your TV.

You need to change the sound IC to hear audio from your TV again.

Good luck

Mar 05, 2010 | Haier HTF24R21 24" TV

1 Answer

Unit has sound, no vertical deflection. caps and output ic ok. have b+ to output. nothing at pin 2 of output ic.


If there's an audio,,it might be the defective Vertical IC...but check first if there's 24v-26vdc supply coming from FBT going to Vcc of Vertical IC.

If there's no Audio,and only white horizontal line in the screen,check the Vertical out of Jungle IC.

Good luck!

Oct 12, 2009 | Toshiba 27D46 27" TV

2 Answers

Sound problem


good evening ! the problem of your phone is buzzer and speaker ,or the audio driver ic try to chagne that ! good luck !..god bless....

Sep 06, 2008 | Nokia 6600

1 Answer

Audio


sounds like a failing audio IC, or capacitor in the audio circuit, probably an IC or bad connection @ the IC. technical schematic or the shop if one is not familiar with component repair!!
good luck stereo tech

Dec 03, 2007 | Toshiba 43H70 43" Rear Projection...

2 Answers

Sound


its still fixable. change the audio output ic(integrated circuit). but if you are not inclined with this job, have it check with a qualified service technician. good luck!

Jan 31, 2007 | Sylvania 6319CE 19 in. TV/VCR Combo

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