Question about Mitsubishi VS-70707 70" Rear Projection Television

1 Answer

Once power is off T.V. won't come back on

My 50 inch projector television won't come on once you turn it off. The first time it happen we were watching television then the picture went out and there was only sound. then when the television was turn off it would not come back on until the next day. the problem we found out from the repair specialist is the power board. we need to find a power board for our vs-70707.

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert who has answered 1,000 questions.

  • Master
  • 1,153 Answers
Re: Once power is off T.V. won't come back on

First CHECK IC700 PIN 20 (AC-OFF) FOR 0 VOLTS DC. IF HIGH, CHECK FOR LEAKY D980 PART # 264P045040 ON THE MAIN PCB. This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. MAY BE INTERMITTENT, SELF-DIAGNOSIS ERROR 23 OR 24. CHECK SOLDER CONNECTIONS AT CONNECTOR "DY" ON THE YOKES. 2. SHUTDOWN AT POWER WITH SELF-DIAGNOSIS ERROR 23 OR 24. CHECK C411 2200 UFD 35 V AND C412 10 UFD 50 V, BOTH LOCATED ON THE MAIN PCB

Posted on Sep 05, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

My 50 inch hitachi hd projection tv picture won't

This T.V. more than likely has a bad lamp. I don't know the model number so look up on ebay for a lamp replacement by model number after you inspect it and find it to look cloudy or exploded.

Jun 20, 2011 | Hitachi Projection Televisions

1 Answer

During start-up the TV flashes, and once it is "warmed- up" the red in the picture is about an inch away from the rest of the picture (offset to the rt and up if watching) .....What may the problems be?

I hope you mean to say, that the picture on your TV, put red colour a bit out for the image you look. This happens to all TV in the time of usage. It need servicing. Some tracks on the main board could have been rotten due to heat, CRTsocket muct be serviced, (resoldering the whole board) is needed. Try o check for leaky capacitors, and resistor mostly near the deflection circuit. Well this can be done by qualified service techincian, please do not attemp by yourself if you are not qualified. Best luck..

Apr 30, 2010 | Hitachi 50UX57B 50" Rear Projection...

1 Answer


Sounds like the convergence board, try replacing the STK voltage regulators and any resistors that may burned or discolored. This problem is causing the power supply to shut down probably.

Mar 13, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

LG 52 Inch Rear Projector TV - switches itself off

LAMP pull it out and see if it looks busted on the inside.

Dec 21, 2009 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

50 inch Plasma problem

Most likely a capacitor in the power supply went out. otherwise it may be a bad relay if there happens to be one.
Most reason for a tv not turning on at all is bad power supply

Aug 01, 2009 | Sony Grand WEGA KDF-60WF655 60" Rear...

1 Answer

Sony wega rear projector

What color does it flash? Also it may be blinking a code so we need you to count the # of blinks it should blink a certain # of times, then pause, and blink that same # of times again. Let me know and I will be able to help you furthur.


Sep 11, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

2 Answers

50 inch 1999 TheatreView Television

#1 When I turn on the TV the power button comes on then blinks 6 times then goes off for a few seconds then repeats the cycle. I have sound over my surround system during this time but no picture.
#2 My sound would crackle and pop every once and a while until now it does nothing. I have to watch it with the surround sound on.

Nov 26, 2007 | RCA HD52W59 HDTV Projection Television

2 Answers

Sony KP-51WS500

does it have blue video image?

Sep 29, 2007 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Mitsubishi VS-5041 50 Inch Rear Prorjection TV No image but there is sound!

After 11 years???? OMG This set is a tired pup and should be put to reast. My experience with older sets and your complains are all capacitor problems and is only gonna get worse as the first time around repair will take several capacitors to repair. This set has no user serviceable parts inside so you should not attempt a repair suchj as this on your own.. This repair if you decide to go through the first time will be About 300 to 600 bucks the first time and cost will continue to raise till the sets put to sleep. Good luck

Jun 01, 2006 | Mitsubishi VS-50605 50" Rear Projection...

Not finding what you are looking for?
Mitsubishi VS-70707 70" Rear Projection Television Logo

70 people viewed this question

Ask a Question

Usually answered in minutes!

Top Mitsubishi Projection Televisions Experts

matt martin
matt martin

Level 3 Expert

1187 Answers

Jaime Hernandez

Level 3 Expert

2267 Answers

The Knight
The Knight

Level 3 Expert

66451 Answers

Are you a Mitsubishi Projection Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides