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SAMSUNG TV REPAIR of modle= CZ-21E6V

TDA 9381 IC is ok and vedio op ic TDA6107 IC is also ok but picture is dim.Voltages at 51,52,53 are bellow 0.9volts (TDA 9381).

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Posted on Jan 02, 2017

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SOURCE: missing vertical deflection on philips TV

TDA 8362B IC which have vertical freq.output is at pin no.43. (vert.osc) caution for fixing this problem minimise brightness to avoid crt burn. proceed as follows 1 if you are getting sawtooth at output of ic tda 8362 pin 43 then check 1 supply at vertical output ic from eht. 2 yoke connector loose . 3 check vertical output ic parts. 4 finally vertical ic. please check for normal output from power supply even though fault gets rectified just for protection. good luck.

Posted on Sep 23, 2007

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SOURCE: TDA 8364

Look it up at nteinc.net

Posted on Jan 02, 2008

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SOURCE: my samsung TV can't display

check feedback path from collector of h output tr, check voltages at pin 5 of tda 6107 it shuld vary wrt screen voltage

Posted on Jul 19, 2009

gopakumarg43
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SOURCE: Samsung crt tv ic tda 9381 mute system not working &No audio . audio ic tda 7297sa

IC fault. Replace the TDA9381. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Posted on May 29, 2016

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Samsung crt tv ic tda 9381 mute system not working &No audio . audio ic tda 7297sa


IC fault. Replace the TDA9381. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

May 29, 2016 | Samsung Televison & Video

1 Answer

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Check the video output RGB out terminals of the TDA9370. Check the voltages. If can, check signal waveform. You have't specified nothing about the audio status. If you wish to get the schematic of TVs, using TDA9370, check the site linked here. Never confirm that the IC is OK. Check the serial data & serial clock. Replace the main system control memory IC, too. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type in the model name to your set in its search box, or view it in Mosaic /Timeslide option.

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I do not no what you mean by using 9381 ic? In the audio or setup menu there is a adj for audio delay . Without knowing the model code that is the best I can do?

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3 Answers

Missing vertical deflection on philips TV


TDA 8362B IC which have vertical freq.output is at pin no.43. (vert.osc) caution for fixing this problem minimise brightness to avoid crt burn. proceed as follows 1 if you are getting sawtooth at output of ic tda 8362 pin 43 then check 1 supply at vertical output ic from eht. 2 yoke connector loose . 3 check vertical output ic parts. 4 finally vertical ic. please check for normal output from power supply even though fault gets rectified just for protection. good luck.

Sep 22, 2007 | RCA 13R400TD 13" TV

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