Question about RCA HD56W66 56" HDTV

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What would make me have to keep replacing my convergence power supply? I've replaced it twice now?

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  • RCA Master
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Replace the whole board,not just parts.same parts could keep burning if something else is short but not totally burn.

Posted on Oct 01, 2009

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Will not power up has constant on off flicker , when I turn it on the green light clicks off and turns red and the cycle repeats. I have checked the fuses and also resolderd the power board. is there any...


Hi Eric,

First of all, thank you for contacting Fixya.com regarding on your TV problem.

I've suspected a convergence chips failure not the power supply board issue in this kind of symptoms. To confirm it, locate the convergence board inside the set, it has a Sanyo convergence chip STK392-110 that are mounted on the large heat sink. This board has a LED (light emitting diode) that will light up once the board gone to malfunction. Turn on the unit and then check if the LED will lit after the shuts down. If yes, then I would advice you to replaced both convergence Chips and check the resistance of the resistors in line with the +25V and -20V supply of the chips.
Let me know if the LED at the convergence board does not lit to continue our diagnosis... Check also the LED at the power supply board and on the deflection board(this is where the flyback transformer is located)

Have a nice day!

Goodluck and take care!

Kind Regards,

Jdvillanueva

Dec 03, 2011 | Pioneer PRO-99 TV

1 Answer

My LCD TV Series 530 keeps on blinking and would not turn on. why does it keep doing that?


I've experienced similar issues with a 42" Samsung LCD TV. From what I've read online, I believe it could be a problem in the circuitry of the power supply. Apparently, Samsung used under rated capacitors in the power supply and the result is a turn on delay or blinking on and off. If this is the case, then the capacitors would need to be replaced to fix the issue.

Aug 07, 2011 | Samsung Televison & Video

1 Answer

My convergence keep going out, I replaced the convergence twice. I have a rca hd52w59 modle


When you say replaced the convergence twice, are you refering to the convergence boards or the FL231 fuse? If its the FL231 fuse unless you replaced the DL231 and CL230 plus reflowed the solder on the flyback it will continue to keep blowing untill the 3 parts are replaced together and the flyback gets resoldered. If you replaced the convergence boards then try resoldering the flyback.

Nov 27, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

On my mitsubishi ws65909 I have a 2-2 power light error code, what does this mean? any suggestions, I tried to power it up and the power light comes on and then goes off after 15-20 sec's


the famous code error 2- 2 is for fault in power supply or faulty power supply board. this has to be checked.
and error 2-3 is fault in convergence ic.so both the error codes are near to each other.so check out both options. i advise first replace the convergence ic on the board and check.the cost of each convergence stk ic is near to $15 .there are two such ic on the convergence board and both has to be replaced.then check out.if the problem is same go for power supply board replacement.

the ic which you have to remove and replace is stk 393-110 both the ic looks same anve same number .
you can get the required board and components at ----- www.partstore.com -------- or from ------ www.radioshack.com ----
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if you are not familiar with doing this you can get it done by local tv repair technician familiar with this model tv.
-----------
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

Nov 26, 2009 | Mitsubishi WS-65909 65" Rear Projection...

1 Answer

I had to replace a fuse for the power supply and know the picture is blurry and bowed


Your convergence power supply is propably not working. The convergence supply board is mounted above the mainboard and has AC 110V supplied to it from the main PCB. That's probably why the fuse blew.Rca Has abulletin regarding replacing two diodes CR19710 and CR19713 on convergence power board.

Oct 02, 2009 | GE 46GW947 46" Rear Projection Television

3 Answers

My mitsubishi ws-65809 will not power up.


Mine is doing the same thing. I just talked to the repair guy. It is a power supply problem. Try unplugging it for 5 minutes and turning it back on. Also if you were having problem with any picture issues it is the convergance, and that requires chip replacement. They are estimating $350.00 to replace the power supply.

Jan 02, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Tv model r52wm24


You most likely need a new convergence power supply board if fl231 keeps blowing thats the most likely cause, also check for shorthed capacitor cp231. If you need a link to get a replacement convergence power supply board, let me know I know where you can get them.

Jul 19, 2008 | RCA R52WM24 52" HDTV Projection Television

1 Answer

Hitachi 65xwx20b convergence


Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

Dec 01, 2007 | Televison & Video

2 Answers

No power with remote or manual power switch


Your convergence module is probably bad. It is a plug in module, so labor would be lower if the convergence settings are still good. The bill would be about $300.00 If not, the labor for convergence would add to the bill. If the whole job needed full convergence the cost would be about $500 to $600. Hope this helps, Lee http://www.CrazyComputers.com

Jun 22, 2007 | RCA P60921 60" Rear Projection Television

4 Answers

Toshiba 51H84


convergence IC's need to be replaced

Dec 12, 2006 | Toshiba 51H84 51" Rear Projection...

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