Question about Mitsubishi VS-50705 50" Rear Projection Television

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HELP? LOL. Ok, whats the CRTS? Are you talking about the silver box that has the three coaxial connections that plugs into two vertical silver boxes? It looks like the liquid is coming from the silver box, which is elevated off the board, in which the ant input plugs into. I took the side cover off and found no evidence in that part. Could it have come thru where the ant input plug into the two verrtical silver boxes? Thank You very much for your help!

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  • Mitsubishi Master
  • 8,617 Answers

I commented on your other post about that issue.

Posted on Jun 14, 2008

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Posted on Jan 02, 2017

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No picture. Sound is OK on Philips DPTV345 model 51PW9303/17F


I would check the solder on the Vertical output IC as ofetn the soolder will crack and the CRts will shut down to prevent damageing the CRts when vertical drops out. If the solder looks good I would try replaceing the vertical IC very inexpensive and you can get the vertical IC from www.tvrepairworld.com

Feb 10, 2013 | Televison & Video

Tip

What to do when you only have Green on a CRT Projection TV.


If you have a picture, but only in green on a 3 crt projection TV, I would try turning up the drive for the red and blue guns. They have probably changed over time and red and blue have lost drive and need a boost. Green makes up 70 percent of the picture compared to red and blue so the drive would not have to drop much to lose red and green but still have green. Keep in mind that this does mean that the CRTs are dying and may not have too much time left.

To turn up the drives first remove the back cover on the bottom half of the machine. Be very careful as you will have to work on this unit live. Do not touch anything other than what I tell you and keep one hand in your pocket whenever possible.

First look at the space above the main circuit board. Somewhere across the beam supporting the CRTs you will see a square box with 6 controls (shafts). You can locate the box if you follow the wires from the flyback to the box. The flyback is located on the power board and produces the high voltage. It will have 4 large red rubber wires coming out of it. Three go to the focus divider block (the box in question) then they go on to the crts (red, green, blue).

Once you locate the focus divider look at it closely. The focus controls are on top and the drives are on the bottom. They should be marked red, green and blue. You want to turn up the red and blue. Tune a picture with as much black as possible. While watching it turn up the red until you see a red tint or streak then turn down until it just disappears. Do the same with the blue. You may want to touch up the green also for good color balance.

If the set is working OK and the CRTs have enough drive left, your picture should look normal.

Thanks for using FixYa.

hardrocko

on Sep 22, 2010 | Toshiba 50H81 50" Rear Projection...

1 Answer

How do i connect my cable box to my tv


Connect the coaxial "Cable In" cable to the "Cable In" port on the back of your TV cable receiver box. Make sure your receiver box is not plugged in yet. 2 Take the TV audio/visual cable, and connect the red, blue and green ends to the corresponding color "Cable Out" ports on the back of your cable receiver.3 Take the other ends and plug them in to the red, blue and green ports under "V1" on the back of your TV.4 Take the audio cord with the red and white ends, and connect them to the corresponding color ports of "Audio Out" on the back of your cable receiver; then, connect the other ends to the corresponding color "Audio In" ports on the back of your TV.5 Turn on the power of your TV cable receiver box first. Allow it to run through the boot sequence. When you see the time appear on the front of the cable box, you may turn on the television and check your signal.
  • Oct 13, 2011 | Televison & Video

    1 Answer

    Sony KP-53S65. Only have the green lens working. Blue and Red out. Everything else seems OK. What's going on with it?


    mrrcody56,

    If you have a picture, but only in green, I would try turning up the drive for the red and blue guns. They have probably changed and need a boost. This does mean that the CRTs are dying and may not have too much time left.

    To turn up the drive first remove the back cover on the bottom. You will have to work on this unit live so be very careful and do not touch anything other than what I tell you.

    Look at the space above the main circuit board. Somewhere across the beam supporting the CRTs you will see a square box with 6 controls (shafts). You can locate the box if you follow the wires from the flyback to the box. The flyback is located on the right rear corner and produces the high voltage. It will have 4 large red rubber wires coming out of it. Three go to the focus divider block (the box in question) then they go on to the crts (red, green, blue).

    Once you locate the focus divider look at it closely. The focus controls are on top and the drives are on the bottom. They should be marked red, green and blue. You want to turn up the red and blue. Tune a picture with as much black as possible. While watching it turn up the red until you see a red tint or streak then turn down until it just disappears. Do the same with the blue. You may want to touch up the green also.

    If the set is working OK your picture should look normal.

    Thanks for using FixYa and for the generous rating.

    hardrocko

    Sep 21, 2010 | Sony KP-53S65 53" Rear Projection...

    1 Answer

    My tv screen is black and nothing i do helps it..i have good volume and channels change ok, there is just no visual.what can i do ? ive tried turning it off then back on, ive turned it on and let it sit,...


    Sounds like the vertical deflection has dropped out which would shut down the three CRTs but still allow audio to work. The vertical output IC may need replacement.

    Jul 08, 2010 | RCA HD52W56 52" Rear Projection HDTV

    1 Answer

    I need a diagram of how to set up the analog converter box or instructions.


    Hi,
    I am posting the instructions of how to set up the analog converter box :-
    Hope it will you.
    · Things you’ll need:
    Analog TV, antenna, two coaxial cable, and converter box

    · Instructions:
    Step 1
    Unplug coaxial cable on the back of TV "antenna in" (RF) port
    Step 2
    Insert coaxial wire into the "antenna in" on the converter box
    Step 3
    Use second coaxial wire and plug in the converter box, "out to TV" port. Plug the other end into
    “antenna in" on the TV
    Step 4
    Power on the converter box and TV. Change TV channel to 3 or 4. Follow on screen instruction to
    Complete setup.
    Step 5
    After setup you will begin to see more channels than before with better clarity. Some stations will broadcast two or three channels. Enjoy

    Please let us know if that was helpful enough.
    Good Luck & Thanks,
    Shiv.

    Aug 18, 2009 | Televison & Video

    1 Answer

    Sony Screen keeps Blinking


    If the red LED blinks 5 times you have a AKB error. It is caused by the CRTs trying to balance the color, and failing. Its an annoying problem that happens when the CRTs get old. If its just beginning you can balance or slightly turn up the screen voltage to the CRTs to remove the problem, if its in the end stages, the CRTs may need to be replaced. This is however, very expensive. If you are daring and safe around high voltage, pop off the speaker grille, open the front panel up and find the focus block. Don't poke around! those big red wires have 30,000 volts running through them! The focus block is a black square box with six knobs on it. Three are labeled screen, three labeled focus. You will see each row labeled R, G, B for red green and blue. The writing is tiny. Mark all three screen knobs with a colored marker so you know where they started. Then turn each one up slightly. If you have a picture, put it to a black screen or blank input. Turn each knob up just unit you see the color over drive and turn it back down to black. You want to set it just below retrace to maintain black level but drive the CRT fully. Setting this is hard but may fix an AKB issue.

    Dec 02, 2008 | Sony KP-61S65 61" Rear Projection...

    1 Answer

    I have a 27" color flat screen tv by Samsung which I bought from Best Buy in Lakeland, FL 4 yrs ago never had a problem til now. I had a power outage in my home but the tv wasn't on nor was the...


    Try to use your directv box with a different A/V connection to the TV and see what happens?
    EX. If you have a basic directv box using coaxial cable connection,try to use RCA(yellow,red/white) cable to a RCA input behind the tv.
    solutiondoct

    Nov 22, 2008 | Televison & Video

    1 Answer

    Help


    resolder the vertical IC that is whats making the CRTs go blank. Its a safety issue where the CRTs blank when there is no vertical deflection. Just resolder the output IC that should cure your problem

    Mar 12, 2008 | Toshiba 43H70 43" Rear Projection...

    1 Answer

    RCA 52" tv. model # D52W20


    The silver box is called the TUNER. Call an RCA distributor, such as Union Electronics or Herman-Panson and order it by description by asking for the tuner for your model number. Have the location number on the board, just in case.

    Sep 01, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

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