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What does signal board look like - Mitsubishi Televison & Video

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Usually follow the coax cable fitting into the set as it usually goes there or Google the model number.

Posted on Nov 02, 2012

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What is the TV Tuner Signal Board part number for the Sharp Aquos LC-52d64U?


That the board which it have a square aluminun box at the edge of the board with a rounded bolt sticking out for inputs like ANT. input and AV inputs for like wires components inputs like multi colors like YRW,YRWGP holes for AV inputs also have HDMI hubs inputs for the high Def Pic.There are 6 HDMI inputs hubs for the tv Sharp Aquos LC-52d64U.Tvs Tuner board signal boards are also have to been known names to called as the tvs Main Logic boards and the tvs Mother boards also.U are fixing ur tv u must have to take it parts already.U can also compare the pictures between the tv Tuner signal board u are taking aparts out of the tv and the tv Tuner signal board you are buying they'll look axactly alike.The sticker of the serial numbers of the boards a few numbers in the begining on the tv Tuner signal boards should be the same also.

Dec 06, 2011 | Televison & Video

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Power light flashing green. No other light or sound. Per directions I found here, I bought a new power supply board. No change at all. Any other ideas?


Ur tv still having the same result a flashing LED power light indication,after u change the tv power supply board.Mean only one thing the main logic Tuner signal board it is also dead too.The Tuner signal board that the board where the tv incomming broadcasting signal wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish main logic Tuner signal board for the replacement.Tries out the old power supply board with the new refurbish main logic Tuner signal board too 50/50 the old power supply could be still functioning.If ur old power supply board still good and functioning,than return ur new bought refurbish power supply to the vendor u bought it from to get some money back.

Sep 14, 2011 | Televison & Video

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

2 Answers

My screen has three bars across it. Basically 1/3 of the screen each and from the bottom to the top it graduates from dark to light. I tried unpluging it and adjusting the picture with no results.


This problem usually happens to plasma TVs due to the X Board (A-Bus) malfunctioning. These boards delivers chrominance signal across the panel through tape carrier packages (TCPs) from bottom to top for and/or top to bottom if the unit has both top and bottom X Boards. Each X Board delivers signal to a certain vertical portion of the panel depending on the number of boards present. If the unit has 6 X Boards, each board delivers signal to 1/6 of vertical portion of the panel.
The following are the first things to be checked:
Warning: Please be reminded that only qualified or experienced technicians can do this.
  1. Va - This voltage is routed to the Y SUS board and then distributed to each of the X boards. If this voltage is not present to any of the X boards, black vertical line/s apppear/s on the screen driven by the board. Check for possible blown fuses.
  2. Tape carrier packages (TCPs) - These ICs are mounted on a flexible printed ribbon cable that runs between the X boards and the panel. If a TCP is defective, it can cause the power supply to shutdown, generate vertical bars, it can cause the area it drives to be all black or all white, or a single line defect.
  3. Control Board - This board sends logic signal to the X boards and Y drive boards to release signals to the panel. If it malfunctions, no signal is sent to the X boards.
  4. Main Board - It process audio an+d video signals and sent to the control board. If it malfunctions, no signal is sent to the control board and hence to the X boards.

Nov 03, 2009 | Televison & Video

1 Answer

Mitsubishi WS65807


The Color Signal on this Model Series travels across three boards before being sent to the CRTs. The 3DYC Board, Signal Board and the Terminal Board. Most likely, the 3DYC Board or the Signal Board is causing the problem. I have had intermittent solder connections on the 3DYC Board to cause no color problems. This Board plugs in and is located on the left front of the Signal Board as you look from the rear of the chassis. If you feel you are not up to the task to work on the set, call a Mitsubishi professional. To find one, call Mitsubishi at 1800-332-2119.
I hope this helps,
Skyassoc

Jul 24, 2009 | Mitsubishi WS-65807 65" Rear Projection...

1 Answer

Picture with signal applied is purple and distorted/choppy


The board you seek is the doubler (2HDW) module.. a lot of time reseating the board will solve the issue. If HD still works, this board is likely you problem. This board upconverts all non HD signals to hd to put onto the screen. IF HD doesn't work, you more likely need a signal board. This board has all the settings on it and is much more difficult to replace.

Dec 07, 2008 | Mitsubishi WS-65809 65" Rear Projection...

2 Answers

Mitsubishi ws-55513


Could be signal board issue,not related to DM.Might be terminal
board problem = less $ and easier to sub than signal PCB.......T.

Apr 15, 2008 | Mitsubishi WS-55513 55" Rear Projection...

2 Answers

I'm getting a SC 558 error


SC558 Abnormal zero
cross signal
- Timing & Condition -
Zero cross signals
generated within certain
period do not reach a
predetermined target
value.
• Poor connections
• Blown fuse
• Defective AC drive board
• Defective main control
board
• Defective I/O control
board
1. Make sure the following are connected
properly:
• CN212 and CN229 on the I/O control
board
• CN303 on the main control board
• CN7 on the AC drive board
2. Check the current through the signal lines
in the above harnesses.
3. Replace the fuse (FU101) if it is blown.
4. Test the AC drive board, I/O control
board, or main control board by checking
the signal line at each pin.
[Signal Check]
• Zero cross: CN7-5 on the AC drive board/
CN229-6, TP216, or CN212-B8 on the I/O
control board/CN303-B4 or TP120 on the
main control board

Any problems get back to me
Than You

Mar 11, 2008 | Ricoh 6513 Copier

1 Answer

Woodgrain effect lines on picture


Dont know if youre still looking for a signal board or not but this site has one. I hae used this site numerous times their products are great and prices cheap.
http://servicemanuals.vstore.ca/

Dec 17, 2007 | Panasonic PT-47WX42 47" Rear Projection...

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