Question about SansuiM1315 TV

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Sansui tv sv2918

Hi i need help please,if i switch tv on only fly back line and picture small,power supply is ok.

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Replace vert IC301, C432, ( D431 & R431 should also be blown)

Posted on Nov 26, 2008


Sweetch on thr tv just one vertical line comming in center of ty screen

Posted on Jun 20, 2008

  • Ruata Ralte Sep 26, 2013

    If only one vertical line appears on the screen, this means vertical section is working, and the defected lies in the horizontal section. Check horizontal deflection coil, it may be open.



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After 5 minutes, picture and sound disappear and lines appear.

First of all check the power supply of your tv. Here i have added a video which will help to know, how to check the power supply of the tv. If power supply is ok the the tv have problem with the mother board.As mother board is not repairable you have to go for a new one.
check the video
Testing LCD TV Power Supply BoardsSTEP BY STEP

Oct 13, 2015 | Televison & Video

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I have a 2006, 32inch magnavox tv, model #32MT3305/17, serial # YA1AD517636280, chassis date April 2006, LO1 1UAC-7638. The is green light comes on when the tv is turned on and nothing happens after that....

Horizontal deflection is not working in TV and defective Fly-back Transformer or Horizontal Output Transistor can be cause of this symptoms. TV is in safety mode so you cant get picture and sound.
Need further help, please post back.

Sep 03, 2008 | Televison & Video

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Blank screen led light flashing on/off manual switches do not work

when your LCD TV wont start , even if you press the power button , it has a power supply failure, maybe some capacitor has bloated or changed value, try to watch this if you know how to solder, or even disassemble the back of LCD TV. if not try to call a repair technician. thanks ,, hope this help........

Sep 10, 2011 | Samsung LN32A330 32 in. LCD TV

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Tv takes ages to 'warm up'. parallel orange and red lines increasing and decreasing in number (a bit like a bar code to look at). sound is ok. eventually after up to half hour, the picture appears...

Try to check the power supply if there is a bulge up in the top of the capacitor or leaky capacitor if you see this capacitor replace them with the same rating, leaky capacitor has a wet mark at the bottom of the capacitor.But be sure to unplug the unit before removing the back cover of your tv, good day and best regards feel free to send feed back.

Aug 12, 2011 | Philips Televison & Video

1 Answer

Hi its CRT 32" proline

first check bright and contrast controol
if not open the cover of the set,make on see if crt filment okey or not and measure it about6,3v it comes from fly back,,,then check controol grid around400v,,,,then check 180v going torgb tr on crt socket at last check fly back transformer
if all are right the problem in crt it self

Jan 07, 2011 | Pro Line Televison & Video

1 Answer

I have old type philips crt tv about 20 inch.problum is when i powered on there is no screen only black screen. i check hi tension line of fly back this very low . when i check fly back hi tension of...

You can't determine this fault by an arc checking as you described and it is not advisable in modern colur TVs, as they uses Integrated Circuit Chips, and an arc checking will surely damage it. Check the screen voltage first when set is switched on. It should be around 300 to 400vDC normally. Set your multimeter to 1000VDC range and do this check. If it ok, come to the collector of any video output transistors soldered to the picture tube base board. Check the voltage there. If it high, that is, almost equal to its supply voltage rail [usually 280VDC] the chroma should be suspected. Check the voltage at the base of the trasistor which we have checked earlier. It should be 2V to 3VDC. If this voltage is missing, means there is no video signal comes form the chroma Ic. Check for that. If this voltage is there and there is still high voltage mentioned as above, ABL circutary may go faulty. We can't give you furthermore details as it should be to cover pages. Check these and try to find out. You may be an electronic service technician we thinks. That is why we gave you this much details, because you can follow the circuit. Check it with its schematic diagram. You will find it soon, we sure.

Oct 17, 2010 | Philips Televison & Video

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Westinghouse ltv32w6hd power supply

One of two symptoms on this model (LTV-32W6HD) Blue light comes on but cannot shut off. No picture; OR No picture but sound is OK. 1: In both cases replace ALL the electrolytic capacitors onthe output side of the power supply. This should get the power switch to worknormally. 2: Replace the small tiny wee little tiny small 2.0A fuse onthe inverter board labeled F1. This is the small black fuse, not the slightly bigger whiteones labeled F2 and F3.Ta Da...all fixed.

Nov 19, 2008 | Westinghouse LTV32W6HD 32 in. LCD...

1 Answer

Lines on tv

Set starts, horizontal and vertical deflection work, HT ok, crt heaters ok, but no sound or picture
I turned the G2 voltage up and noticed a white screen with flyback lines, frame ok. I detected two badly soldered double diode rectifiers in the secondary part of the power supply ! I checked all other joints, and everything was ok !! success
White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok

Nov 23, 2007 | Mitsubishi WS-65511 65" Rear Projection...

2 Answers

Power problem rca 32v434t

RCA 32V434T likely has a bad flyback--#271996. RCA 32F531T flyback no longer available,#262343 Fix one,dispose of other.

Sep 26, 2007 | RCA 32F531T 32" TV

2 Answers

Emerson tv model no. ewf2704

Hi: When you say small horizontal screen, ¿Do you mean picture does not fill the screen completely from top to button? ¿Do images display normally though they are smaller in size? ¿Is color and definition of signal OK? Please answer so I can have a better picture of the problem.

Sep 19, 2007 | Emerson EWF2704 TV

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