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1994 Mitsubishi CS-35303 TV won't turn on

This is an extra set we've had for a while. It spent some time in the garage (6 months), because the picture was "squished", with black bars top and bottom, none on the side though. When I got around to messing with it, it will not turn on. I plug it in, and it clicks, like it is powering up, and the screen flashes white, and it instantly goes off, and instantly retries to power up, clicks, white flash, off, clicks, white flash, off. This continues until I unplug it. Power button does nothing. Once, it actually came on and stayed on, with the "squished" picture, but worked fine, until I turned it off. Then the click, white flash, off, started over. So, I know it is old and may not be worth fixing. But I am going to try (it belonged to my wife's dad), so any advice would be very helpful. I have electrical experience, and all the safety tools, and what have you. I am just lacking schematics and manual. Thank you for your help.

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Re: 1994 Mitsubishi CS-35303 TV won't turn on - Projection Televisions

Vertical IC and Cap.

Posted on Nov 26, 2007

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1 have a 6 year-old Mitsubishi model WS-48511 series 1080 rear projection TV that now won't turn on. A few days ago we shut the TV off, and now when i plug it in the blinking green power light...

This is called the blinking green light of death-----only one of two things can cause this problem.

First: remove front speaker grill (IT PULLS OFF) AND remove inspection plate behind it; look for the two bundles of wires coming down and to the right from the front keyboard of the set.

Unplug both plugs you find (different and marked so you cannot mix them up-----the idea is to take the front keyboard out of circuit-----set will still function with remote as receiver is behind front screen)

Try (after 70 seconds) to turn on with remote

If it comes on---defective reset button on front keyboard----use set only with remote or remove and remove actual reset switch---it is located behind and part of frame for screen----entire front screen would have to be removed to get at it.

Second: if disconnection of the front keyboard does not help, the DM unit is bad.

As you look from back of set it is large metal box at extreme left side.

The blinking light is the unit trying to "Boot" up-----these have a problem where caps and a few other parts in that unit fail-----kits on the net are available----Mitsubishi no longer sells or services these units but PTS Electronics does repair them.

Let me know if you have questions and try disconnection of the front keyboard FIRST.


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Mitsubishi vs5003r troubleshoot

I found this in another website... i hope this can help you. I'll try too...

Found this on the web, hope it helps.

Thank you for contacting Mitsubishi Digital Electronics America, Inc. We
are pleased to be able to assist our customers via our website. Here is the
information that you have requested:
TV Lock #8


Color Televisions
CS-20EX1, CS-20301, CS-26EX1, CS-26201, CS-26301, CS-2725R, CS-27EX1,
CS-27MX1, CS-27TX1, CS-27200, CS-27201, CS-27301, CK-27304, CK-27306,
CS-27401, CS-27403, CS-3135R, CK-3136R, CS-31AX1, CS-31FX1, CS-31MX1,
CK-31MX2, CS-31301, CK-31302, CS-3525R, CK-3526R, CK-3527R, CS-3535R,
CK-3536R, CS-35X7, CS-35AX1, CS-35FX1, CK-35FX2, CS-35MX1, CK-35MX2,
CK-35MX3, CS-35201, CS-35201A, CS-35203, CS-35205A, CS-35301, CS-35401,
CK-35402, CS-40FX1

Projection Televisions
VS-40VA2, VS-4517S, VS-45VA1, VS-45VA2, VS-4561, VS-4562, VS-5016R,
VS-5017S, VS-50VA1, VS-50VA2, VS-50VF1, VS-50VF2, VS-50VX2, VS-50VX3,
VS-5061, VS-5062, VS-6017R, VS-6026R, VS-60VA2, VS-60VF1, VS-60VF2,
VS-60VX2, VS-60VX3, VS-6061, VS-7017R

This system locks only the entire TV. The TV will display a screen that
will indicate "Parental Lock ... Now the lock is on" and request the
personal four digit code when the TV is powered on.

IMPORTANT> You must use the original remote control that came with the
TV to release the Parental Lock, you cannot use a remote
that came with a VCR, Audio System or from any other

1. Depending on which remote came with your TV, press the button at
the top labeled TV,OR set the TV/VCR switch in the upper left
corner of the remote to the TV position. .

2. Press the button on the remote labeled POWER.
The TV will turn on and display an information
screen that indicates "Parental Lock ... Now the
lock is on" and ask for the four digit personal code.

3. Press the #9 and the QV buttons at the same time.
The TV will turn on.

4. Press the button labeled MENU.
The "TV Main Menu" will be displayed.

5. Press the ADJUST UP or DOWN button to move the arrow next to the
"Advanced Features" selection and then press ENTER.

The "Advanced Features" menu will appear and
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6. Press the ADJUST button to move the arrow next to the "Parental
Lock" option, and then press ENTER.
The screen will change to indicate "Parental Lock
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7. Press the #9 and QV buttons at the same time.
The screen will return to the "Advanced Features"
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8. Press the MENU button twice to return to normal viewing.

The original lock code has now been erased and the lock canceled.

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1 Answer

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1 Answer

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I know this is an old thread, but I would like to post this information in the hope that someone will find it useful.
I just finished fixing this problem on my 1994 VS-6061... the problem is the PIP (Picture In Picture) board located on the Power Signal board. The PIP board contains the numbers 530B552. I bypassed the PIP board by following the directions I found at the following link:
"Plug in a 4.7ufd @ 35v filter cap (+)at pin 5,(-)at pin 11. Plug in a .01ufd(any voltage) between pin 7 and 9. Just plug the caps into the socket, where the PIP board was mounted (they don't need to be soldered). Just don't let the leads from the two capacitors touch, as they cross each other. The 0.01 cap is non-polarity, so either way it plugged is fine. Basically you will bypass y-signal through 4.7u, in pin 5, out pin 11, and bypass c-signal in pin 7, out pin 9 of the PIP socket.”

The bypass requires 2 capacitors: One 4.7ufd @ 35v and one Non-Polar 0.01ufd @ any voltage.
Remove the PIP board, then plug the two capacitors into the socket where the PIP board was mounted: plug the 4.7ufd capacitor with (+)at pin 5,(-)at pin 11 and plug in the non-polar .01ufd capacitor between pins 7 and pin 9.
If there is a ground wire (possibly brown) soldered to one of the tin cases on the PIP board, then you should connect this ground wire to the PIP socket either at pin 2, 4, 6, 8 or 10 which are grounds of the socket.
This PIP board was used in many Mitsubishi televisions and they were plagued with problems...This is why many of these older Mitsubishi televisions had similar problems…
Good luck

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