Question about Sanyo DS27510 27" TV

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Problem IC get lick and burn,i could fix it if i get the ic number back because it burn so bad i cant see the number.So if you can help me please let me know,the place on the board where the ic is ,this is the number on the board where it was,1001 and its a Sanyo manufacturing corp-3333 sanyo road  Model # DS27425  family group VB8D , Serial # V5190492614666  ,Chassis #  27425-01 and its a flat screem and between 26'' /27''

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Re: Problem

Deko, heres the number for Sanyo parts, 800-877-5032, you can order the service manual there, part number for manual is KTDS27425. I`m sorry I don`t have it to look up the IC but it will be very usefull to have the manual, I think it`s around $20.00
good luck with it, BMW Rider

Posted on Jan 14, 2008

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The vertical ic of my jvc tv model no. av f21mx5 are always burn even i replace a new one

Just check the supply voltage input to the vertical IC. If it is more than normal, this type of fault can occur. Just compare this voltage . The TV schematic will help you to find this detail. Check whether the IC is firmly screwed on to its metal heat sink.

Jul 03, 2012 | JVC AV-20020 20" TV

1 Answer

DeawooTV Model DTC 2975 I want to know about vertical ic number.b,cos i can't fine out the number that ic is burn.


There are two mumbers used in Dawoo tv as vertical IC.
If used is a [9] pin one number is [TDA 8357J].
If used is a [10] pin one, number is [ LA 7848]

Jan 05, 2011 | Daewoo Standard (CRT) Televisions

1 Answer

Sony kp-61hs30 blue shadow on screen makes it look 3d. i get that its a convergence problem but how do i fix it?

These tv's have 2 convergence IC's (integrated circuits) As to which of them controls blue,i dont know because I cant see the bottom of the board. Let a technician change them! You will only truly need one,but it is VERY HIGLY recommended that you replace them both. As one has many hours of use on it versus one that is brand new,it tends to become a hassle when the other ic needs to be replaced as well. It costs more up front but will definatly be worth it if you plan to keep this tv for a while.

If you insist on being the DIY'er,then take the back panel off at the bottom,unscrew the plastic facing that is attached to the av jacks,and look for a 40-60 pin IC that is in a 1:1 aspect this big

There will be two of them,look at the part number something like
STK-xxx-xx. It doesnt necessarily have to be an stk IC but that's one of the more popular parts used. Look for it online DO NOT BUY USED unless it is coming as refurbished from a manufacturer. You will need a soldering iron and desoldering braid. TAKE YOUR TIME and don't burn the foils off of the board or you will have to make a new connection for it which is a hassle.

If this helps,please give a positive feedback

Nov 01, 2009 | Sony KP-61HS30 TV

1 Answer

Flat line on Toshiba tube tv

It could be the vertical output IC, but there may be other possible causes which include:

- bad solder contacts on deflection yoke connectors or dirty connector contacts (on the circuit board and / or on the picture tube neck)

- bad solder contacts on the vertical output IC or associated components (check for little cracks in the solder around the pins, these are so called "cold" or bad / broken contacts)

- power loss to the vertical output IC - check for any burned resistors or other components around that IC, assuming you know which one it is - see which ICs are connected to the wires going to the deflection yokes (coils) on the picture tube neck and check them well.

You need to resolder any bad contacts, clean any dirty pins on the connectors and replace any burnt out components (assuming you can still determine the type or value of the component).

Since you mentioned the problem occurs once in a while, this means that the IC probably fails when it warms up, which can often happen if there are loose connections or bad solder contacts.

Anyway, it could turn out to be a faulty IC, i just suggested a few other things that can be fixed quite easily, and possibly without the need to replace any of the components.


3rq8 (Triarcuate)

Sep 09, 2009 | Toshiba 27AF41 27" TV

1 Answer

Hello: I have a Jensen 20 inch (I think) and the

email me the jungle ic use at

Jul 23, 2009 | Standard (CRT) Televisions

1 Answer

Emerson EWF2702 TV Problem

Hello yyimerr1,

This is a vertical deflection problem, These are the possible causes:

1) bad vertical coupling capacitor
2) bad vertical output IC
3) bad vertical driver IC
4) bad CRT deflection yoke

Troubleshooting needed:
1) using the TVs schematic locate the driver IC the output IC and the CRT yoke transformer.
2) using an oscilloscope look at the vertical driver signal it should be a sawtooth signal from the driver to the yoke (increasing in amplitude for each section, i. e. driver and output).
3) if no sawtooth patter is seen that is your problem, look for the component in the section where signal is entering but nothing is coming out.
4) replace the components

Now let me tell you something, don't continue to play the TV with the line present with brightness applied, this will burn the image of the line into the phosphorous coating of the CRT.

I hope this helps

Thank you,


Nov 01, 2008 | Emerson EWF2704 TV

2 Answers

No vertical sweep on my Sanyo DS31590

This is a fault in the vertical circuit. It can be either a bad solder connection of the vertical IC or a defective IC. If you can solder, you can fix this yourself. Open up the back and locate teh vertical IC. It willbe a small flat IC attached to a heat sink and be marked LA7841. Resolder the pins first. If that fails to resolve the problem, replace the IC. Please note that there may be capacitors in the circuit that need to be changes as well, but without the chip working, it will be difficult to determine which ones. Update this once the IC has been resoldered or replaced with the results and we'll continue if necessary.


Sep 25, 2008 | Sanyo DS31520 31" TV

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

3 Answers

TOSHIBA Model: TV28C30 - No Vertical. Just flat horizontal line.

The vertical output IC is most likly bad or has a bad connection on it. Its a stand up IC witha metal heat sink and should start with an LA number. There ciould also be a problem with the B+ feed if you replace the IC and still get no vertical deflection. The parts would be in the sweep power supply and would start with the same first number thats printed on the printed circuit board, that is printed by the vertal sweep IC, meaning if the IC number on the board was IC412, then the B+ supply parts would start with 4 also ie r456, d456,c435 ect ect. The numbers I used are not the actuall numbers just used for referance. If you need a schematic one is available at for a download price of about 24 bucks. Remember though to always be safe and if you have no solid state repair experience, please consult a pro to assist you with this repair. Good Luck Please dont forget to rate this thread.

Oct 20, 2006 | Toshiba 28N33 28" TV

6 Answers

Sylvania 27" TV

This problem sounds like the vertical output circuit is bad. it could be a vertical output IC, a bad resistor in the sweep supply, a bad capacitor, or a bad solder connections. Sorry to say this is a solid state set, so if you know how to solder and know how to service solid state devices, you should have No problem finfing the bad part. if you have no experience, please be safe and call in a trainede tech to assist you. Good Luck PS please dont forget to rate this thread>

Oct 18, 2006 | Sylvania SRT4127P TV

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