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Video and audio issue on my Sanyo DS31590 T.V.

This T.V. has a horizontal line in the middle of the screen and no sound.

Posted by Jaime Morell on

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1 Answer

SD Tech

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  • Master
  • 14,553 Answers

Line left to right is vertical circuit problem and may be linked to audio problem if both are fed voltage from a common source---Not a do it yourself repair unless have experience with this kind of equipment.

Posted on May 15, 2012

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5 Related Answers

Anonymous

  • 45 Answers

SOURCE: Nopicture

No vertical deflection. Vertical output IC, caps.

Posted on Nov 25, 2007

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salt56

TV Doctor

  • 373 Answers

SOURCE: Sanyo DS31590 31" TV vertical deflection

If the vertical is not defective or shorted there is a possiblity of bad solder connections on the vertical ic. If connections are good and has b+ voltage to the chip replace chip which is IC 501 LA7841 or LA7845 and change c511 (decimal point 1 film capacitor)

Posted on Dec 30, 2007

Anonymous

  • 230 Answers

SOURCE: Thin Horizontal line through tv blank screen.

Replaced vertical IC ( la78041 ??>.. Or La78040 ). Look for born resistor beside IC. Replaced capacitor 100uf 35V too!!! Good luck !!

Posted on Jul 24, 2008

SOURCE: Sanyo C25EG95 Thin Horizontal line in the centre of screen

Vertical IC output burned out

Posted on Oct 08, 2008

Anonymous

  • 105 Answers

SOURCE: my sanyo ds31590 31 has a black picture with a thin white line in

check the voltage at vertical ic must get 24volt dc then replace the IC that all

Posted on Jul 01, 2009

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Related Questions:

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1answer

Tv has horizontal line in middle of screen,sanyo ds25390

hi if only a horizontal line across with no video anymore, you have bad either vertical ic or no dc supply b+( vertical ic ) or no output dc coming from the ic. if it is not totally a horizontal white line and you can see a video you must check leak or bulged capacitors at the vertical section near the vertical ic. hope this can help good luck.
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I HAVE A SANYO MODEL 31590 NO PICTURE SOUND JUST A LINE IN THE CENTER

hi..hope this help you....a horizontal line in the center is an indication of defective vertical IC...its looks like a tab w/ 10-12 pins and has heatsink...your TV would works out fine when you replace the IC....but its better if let a technician replace this....pls. don't forget to rate and vote....thanks...
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My SANYO TV24'' when powered on,only a bright horizontal light appeared after 3sec dissapered,no sound,no more picture.

your tv has suffered horizontal collapse this is not a cheap repair it contains most major parts of the power section


hope this helps
0helpful
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My sanyo ds31590 31 has a black picture with a thin white line in

check the voltage at vertical ic must get 24volt dc then replace the IC that all
1helpful
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TV has a thin horizontal line across the screen

intermintence in vertical IC deflection its a job for experienced tech need to look for that circuit and do fine job resolding that IC
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Vertical Deflection

check soldier connections on vertical i.c.
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Line on t.v. no picture

If you are getting a horizontal line across the screen, It means the vertical amplifier IC is defective.
1helpful
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Sanyo DS31590 31" TV vertical deflection

If the vertical is not defective or shorted there is a possiblity of bad solder connections on the vertical ic. If connections are good and has b+ voltage to the chip replace chip which is IC 501 LA7841 or LA7845 and change c511 (decimal point 1 film capacitor)
1helpful
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Tv not working

this symptom, sometimes called the tube light effect, it is characterised by a bright thin horizontal line across the middle of the screen. this symptom is caused by a breakdown in the vertical deflection circuit. hence maybe the trouble maybe in the vertical oscillator, amplifier or output circuits. but if all i have said is not clear to you, better bring it to a qualified tv technician. good luck!
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