Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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Where can i get a replacement board for my tv

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  • RCA Master
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It's hit or miss but you might try this site; they buy mfr.'s overruns and disassemble used sets:
Jimmy's Parts

Posted on Feb 02, 2010

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Posted on Jan 02, 2017

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1 Answer

To fix no video Vizio E470i-A0 TV


Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

May 21, 2015 | Vizio Televison & Video

1 Answer

How do I test my main board in my 42 LG LED TV?


Testing the board is too complicated to try to explain in this forum. If the tv won't turn on with either the remote or with the tv buttons, the main board is failed and needs to be replaced. I have gotten some tv's working by replacing the EE prom on the main board, but finding the proms is hit and miss. Go to ShopJimmy.com and see if they happen to carry one for your tv.

Mar 17, 2015 | LG Televison & Video

1 Answer

The picture started getting a triple image (everything was outlined in blue and yellow). We had a board replaced by a tv repair service, over $300 and the tv was ok for about 80 hours. (warranty on new...


Ur tv convergence board that was replaced for ur tv.The 2 STK convergence ICS was old it is not new it is those 2 STK convergence ICS on the tv convegence board is dead again and some of the resistors on the board maybe shorted and dies also must replaced too.The tv convegence board was put on ur tv those parts on the convergence board are old components parts,ur must repair tv convergence board again to fixed this problems called convergence pictures problems.

Aug 22, 2011 | Mitsubishi VS-60609 60" Rear Projection...

1 Answer

There are two green lights blinking at the bottom of the tv. where the power light is..i believe it's the opc lights. the tv shuts of it self and the two lil green light blink...we put the tv power...


The tv main logic board known as a tv Tuner signal board it is the causes and the problems.The tv main logic board,the tv Tuner signal board it is shorted and not taking in and sustance power from the tv power supply board anymore that why tv Power and OPC LED lights indication are flashing together.This main logic tv Tuner signal board that the board where that take in the tv incomming broadcasting signal wire plug into it.U must replaced the main logic tv Tuner signal bard to fixed this problems.If U have some mechanicals skills like take things aparts and putting it back together again?Yes,tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish main logic tv Tuner signal board for the replacement.Tries tv unplug,replug it back about an hour later.Tv might work again for awhile though,but to fixed this problems for good the main logic tv Tuner signal board must have to be replace.

Aug 22, 2011 | Sharp Aquos LC-52SE94U 52 in. LCD HDTV

1 Answer

The color is distorted there is a psychedelic green around. You can see the color images ok but there is a super imposed green color on the screen. Do you have any idea on the problem do I need to replace...


The tv problems u are decribing are 50/50 it could be the main board tv Tuner signal board is dying and shorting out or the tv LCD screen panel itself are leaking radiation and slowly shorting out.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish main board tv Tuner signal board for the replacement.50/50 could get this tv fixed by replacing this main board tv Tuner signal board.If after u replaced the board and still have the same problems,than u know for sure it is the tv LCD screen is dying and leaking radiation and slowly shorting out.Than u know for sure this tv is not worth as a whole tv anymore,now only as salvages tv for it PCB circuits boards only.U can return the main board tv Tuner signal board to the dealers.Get some money back,but must lose some money,like subtraction like from the shipping and handleling cost and the useually the 10% restocking fee.

Aug 14, 2011 | Proscan 40LC45S 40 in. LCD TV

2 Answers

When adjusting the convergence, ended up with a concave screen, then it smoked. Is this a power supply, or worse? Is there any advice that you could give me on this...


Thats usually indicating the ICs have failed. Usually with that model its best to replace the board rather than try replacing the individual components as ther are several 3.9 ohm resistors that will need to be checked and possibly replaced along with both ICs. www.tvcircuitboards.com should have the replacement board for your model if you need one.

Jul 08, 2011 | Samsung HCL473W 47" Rear Projection...

2 Answers

Spot of bad weather here, just had a power surge in the house and now our tv (sharp lc-42SB48UT) won't power on. There is no blue or red light on the front and changing outlets/surge protectors doesn't...


90% to 95% ur tv have a dead power supply board only.5% ur tv could have both dead boards the tv power supply board and the main tv Tuner signal board too.The tv power supply board.That the board,where the power a/c cord plug into it.The tv main Tuner signal board,that the board where all the exstented devices and the tv incomming broadcasting signal cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement first.The tv problems should be fixed.If not than the main tv Tuner signal board is dead too.Must be replaced also.

Apr 24, 2011 | Sharp LC42SB48UT 42 in. LCD TV

1 Answer

Power indicator light blinks-7 times. will a new power supply fix it


Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7
There is a sequence that you have to check to figure out which board is bad,

Feb 16, 2011 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

Picture went out and no audio, red light on power blinks seven times and repeats.


Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7 times?

Feb 15, 2011 | Panasonic TH-42PZ700U 42 in. Plasma...

2 Answers

TV will not turn on. Power light blinks 7 times, then pauses, blinks 7 times again. What could the problem be?


If you are a DIY then you will need to try to unplug the SD board and reconnect and try again, if it stills shutdown with 7 blinks then the SD board is bad and maybe the

Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7 times?

Jan 11, 2011 | Panasonic TH-37PX50U 37 in. HD-Ready...

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