Question about Philips SAA7130 TV Tuner/FM Radio/Video PCI Capture Card (683728017118)

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Tv model:48s9156903 q402 mosfet missing. i need it's value capacitor c406 missing. i need it's value

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Sir just take it to service center..........as you will damage another things also...........as c 406 is rarely available.........

Posted on Oct 02, 2010

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Samsung SPL-4225 with Chassis AA98-00188A it comes on then shuts off in 3 seconds. I replaced C405, C406, C407, C408 since they were puffed up, but the problem remains. What other part needs be replaced?


Hi, if you have the service manual, check the power components related with these capacitors (power transistors, diodes, etc), commonly a capacitor is puffed up when receives more voltage than which can handle.

Oct 20, 2013 | Samsung 50 in. Plasma TV

Tip

Telstar CB2194F Rayas horizontales


Este TV usa una tarjeta generica la he visto tambien el algun modelo Sanyo<br />Al encenderlo presentaba una pantalla negra con unas rayas horizontales de colores<br />en la parte de arriva de la pantalla.<br />luego al agarrar brillo la imagen se presenta bien com buenos colores<br />pero con unas rayas finas horizontales en la parte superior.<br />Manteniendoce todo el tiempo.<br /><br />Despues de reemplazar algunos capacitores, el problema se resolvio reemplazando el<br />Capacitor C406 del vertical STV9302A

on Aug 05, 2011 | Televison & Video

1 Answer

Sharp tv difficulty starting. Will come on and immediately go off .Audio stays on screen black. this happens over and over. Banging on the on/off button works sometime. Once on it stays on indefinately....


I have not worked on this particular model. But, I wopuld certainly say you have a couple of bad capacitors in the power supply. You will need to remove the back cover. Weak or bad capacitors will cause your TV to do exactly what you describe. You may note these capacitors will be bulged. The values may or could be 35 volts at 1000Mfs. Once again, I do not know the exact values. In most cases these capacitors in many other brands will have this value. This info is a very good start for repairs. Hope this will clue you into a repair. Thanks for asking and show all hands of support!

Aug 31, 2011 | Sharp LC-32SB21U 32 in. LCD TV

1 Answer

H out transistor overheats and shorts. within 5 mins. I changed the capacitors. flyback( lot) mosfet & yoke but the problem is still there.


The only thing left is the horizontal driver transformer and horizontal driver transistor, resolder the transformer and remove the transistor and check for leakage. If none of these remedy the situation there may be a short in the transformer, or the other possibility is the timing capacitors one or two may be open or low in value, if you have changed these that would rule it out.

Jun 24, 2011 | Samsung Ultra SlimFit 20" Digital TV

1 Answer

Hi. I have a 2004 TV, the Make is a Citizen 27 inches model JCTV2700. I have 5 to 7 white across the top. At the beginning (say 3 months ago) they wrer small. Now they are getting large and 2 more lines...


Neer the center of the mother board you should find a tall heatsink with an IC mounted to it. This is the vertical output IC. Change the electrolytic capacitor closest too the IC. On my set it is C406, I cannot read the value without removing it, but it will likely be 47Mf or 100Mf @50v.

Feb 26, 2011 | Televison & Video

2 Answers

My Samsung ps42q97hd screen has just gone off and now only makes a clicking sound (like a relay trying to come on) Any thoughts anyone? I have had it for 4 years and do not know if it is worth it have...


IF you contact samsung customer relations you will find that they have a capacitor issue. The manufacturer is paying for the repair. Samsung.com
Please leave feedback

Feb 21, 2011 | Televison & Video

1 Answer

Barbu51 D309 ck good, power caps look good. TV Syl SSL2006 is completely dead. Circuit board looks over heated around R416/17 & Q402. Don't have print so unable to know what these items vaules are....


Larry,

I was wondering if you ever located the problem in this tv? I have the exact same syptoms right down to the overheated section of the board with R417 and Q402. D309 checks good in mine and the power supply caps are not bulging or leaking at all. Any help would be greatly appreciated.

Ryan

Jan 12, 2010 | Sylvania Televison & Video

1 Answer

I have a Sanyo DS31520 31" TV and the picture will come on, but it doesn't fit right in the screen and the sound won't work, how can I fix it??


You will need to replace two capacitors, 160volt 1MF and a160 volt 4.7MF locations c408 and c607. And if the picture is two narrow replace R401 and R407, IC601 [str30130] ,Q402[2sd1880] This will correct picture size..You are off to a good start....as for the sound I don'remember the value or location of the bad resistor..might be located near IC 601..This will give you a good place to start the repairs. I always clean inside a tv with a leaf blower to reduce dust that will be in the way. Be careful..very carefull when working with high voltage.

Oct 16, 2009 | Sanyo DS31520 31" TV

1 Answer

Same thing.


Hello,

If you have the 2 blown capacitors on the power board then most likely yo also have blown MOSFETs and a blown fuse. The MOSFETS and fuse blow when the capacitors short out when they blow. We sell a kit with the capacitors, MOSFETs and fuse with instructions for $10.00 plus shipping. Let me know if you need a repair kit.

Buddy
Corporate Computer
www.ccl-la.com

Jun 25, 2009 | Westinghouse 22" Widescreen LCD Flat Panel...

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