Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Wd52525 Ballast I have 315V @ input to ballast and no light......already replaced the 3300 and 1000u caps..........point @ ballast correct> Thanks Marc

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Good Day, monkbuist;

TRY THIS:

1. (Lamp may light and go out) suspect bad lamp part # 915P020010 2. Check for 12-volts DC at J-9 connector pin 4 on the Engine Driver PCB, if missing check for an open F9A09 on the Power PCB, if it is open replace F9A09 part # 283P127060 and the Light Engine part # 939P977010 3. (Lamp may light and go out) Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if low or missing check C9A37 and C9A38 both 3300 UFD 10 V part # 181P732040 on the Power PCB (part # 930B921002) 4. At power on the lamp turns on and off three times and then the unit shuts down with a red lamp LED (lamp error). Replace the Light Engine part # 939P977010 5. Lamp enable line at J14 pin 6 does not switch to 5 volts after turn on, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977010 6. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on and does go to 0-volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Lamp Power PCB (ballast) part # 939P978010 7. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on but does not go back to 0-volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977010. Good Luck, big IRISH. wd52525 Ballast - back.gif

Posted on Aug 07, 2008

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Posted on Jan 02, 2017

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New member here. I have a 62" DLP Mitsubishi model #WD6252. I've already replaced my lamp AND ballast and continue to have the solid red lamp status indicator. I've made sure the connection from th


Your color wheel is failing or has failed. the red light ONLY means the lamp cannot light or was forced to shut down. it means nothing about the lamp or ballast specifically.

If your color wheel isnt spinning up correctly or you have a stuck fan somewhere, the lamp will be shut down immediately upon startup.

Id check to see if the color wheel is stuck or if its getting stuck.

Dec 17, 2014 | Mitsubishi WD-62525 62" Rear Projection...

1 Answer

I want t replace a mb2x40/120 rs ballast with a 120 277v electronic ballast how do i wire it


Rule #1: TURN OFF THE POWER AT THE BREAKER PANEL.
A fluorescent light ballast is a transformer that outputs a higher voltage than the input (120 volts). The electrocution hazard is very real.
Practically all ballasts have a drawing printed on the label. As a master electrician I still need the drawing to install them properly. Electronic ballasts should have a black and white wire for input voltage. The output to the lamps will be some combination of: red, yellow, blue.
The new ballast must also be matched to the type of lamp. Old fluorescent lamps were T12 (refers to the diameter). New lamps are T8 and produce more lumens with lower amperage.

Sep 27, 2014 | Electrical Supplies

1 Answer

I have a 4 ft 2 lamp flourescent system. I am changing the ballast. The existing wiring has blue / red / yellow / black & white wires. I have a new ballast (yes I confirmed at the store it is the...


The first thiing I suggest is checking the installation instructions (either included with the ballast or on-line) of the ballast you just purchased. Many fluorescent ballasts require that the lamps be wired in series - which I believe is what you had before. One lamp connects between the red & the yellow, the other connects between the yellow & the blue. Other fluorescent ballasts require that the lamps be wired in parallel - which may be what you have now (both lamps connect between the red & the blue). The installation instruction sheets should designate the appropriate wiring configuration.

That being said, just double-check one thing: Make sure the new ballast is rated for 2-lamps. Ballasts rated for 1-lamp will only include the red & the blue (no yellow). So I know you sad you already checked with the destributor, but double-check that one point.

May 15, 2011 | Electrical Supplies

1 Answer

How do you change a 2 wire ballast to a ballast with a black and white wire,2 reds and two blues.I have a 2 tube 18 inch fluorescent lamp with 2 ballasts in it.Each ballast has 2 wires coming out of...


Dear sir

first do not confuse by the colour of ballast wire, now see black and white wire who is coming from the ballast and find out after that you have to remove it from the joint . and other new ballast replace here and it's wire connect here with that point where you has remove wire black and white wire first from here. and try to fix fluorescent light here and after that try to switch on electric supply for testing. i hope after that it will work.

thank you
hope answer the question
please vote!

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1 Answer

JVC DLP MOD#HD55G466 what is the voltage from power supply to ballast and into the lamp.I have no voltage to the lamp could it be ballast?


Hi,
Ballast board gets voltage from power supply connector CN90BL and volts readings are as follows:
Pin-1 = 380V DC
Pin-2 = Ground
Pin-3 = 15V DC
and output of ballast board would be 12,000 volts AC that goes to lamp to generate spark in its electrodes to produce high bright light.

If you get volts on input of ballast board but still lamp does not fire up then ballast board is not working.
Ballast board part number is QAL0765-001 and available with tv-part.com for $125
Hope these info will help you.
Thanks.

Nov 16, 2010 | Televison & Video

1 Answer

Tried replacing the bulb...but the lamp light still blinks red and no tv


Next thing to check is the ballast - There are other things that will stop the lamp coming and the next thing after the ballast is the power to the ballast which should be between 250-300 volts from the powerpack, if not the powerpack is the trouble, it may have bad capacitors on it preventing the feed to the ballast, a multimeter needs to be connected across the input to the ballast for this voltage

Jul 03, 2010 | Televison & Video

1 Answer

Mitsubishi 52'' TV Model WD52525


U restart the tv,u hear alots of clicking?That mean the Ballast is dead or have problems,that why ur picture lamp not sustaning the picture.Replacing the Ballast might or will sustance the picture.

May 18, 2010 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Wd52725 cap replacement


The power pwb is on the opposite end of the chassis opposite the Input locations. I believe on tha model the plu assembly gets removed from the case and stays with the chassis block. I believe CN1 and CN2 are the ballast connections you need to remove a metal shield on the ballast Circuit to see the connections.

Jul 14, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

I cant find a part for my wd-52525


What makes you think the ballast is bad. Thats one part on the Mitsubishi DLP that very seldom needs replacement. Whats the symptoms with your WD52525

Jun 24, 2008 | Mitsubishi WD-52525 52" Rear Projection...

3 Answers

Replacment lamp


Check your ballast and air filter. I am checking to see if I can get some detailed info on your set. It is a WD52525 correct?

Jan 12, 2008 | Mitsubishi WD-52525 52" Rear Projection...

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