Question about Mitsubishi 935D8840 Interface Board for WD-62530
I HEAR MY LAMP BALLAST MIGHT BE OUT. IS THIS THE PRODUCT I NEED?
I would suspect if when it comes on it is a bit dark it may be the lamp itself---when was last time set was serviced or lamp replaced---by service I mean these sets need to be cleaned out inside from dust or dirt building up in the air channels---this will also shut the set down.
Lamp failure is much more common than the ballast.
Posted on Nov 05, 2012
I replaced my own the part cost $109,it was somewhat time consuming since taking the back panel off was a learn as I went.However I still didn't get the red LED to go off.....TV still would not power up in it's normal fashion.Previously I had 2 lamps burn out,and you definetly could tell they burned out.Since then I have changed the power supply feeding($130) the ballast circuit and I still haven't got the TV to come on without defaulting to the red LED,and taking the chasis apart to do this was a real pain.I have posted a question about my problem recently.Still waiting for a solution.Mitsubishi won't sell a customer any parts........they want you to go to atechnician that works on their product.GOOD LUCK!
Posted on Jan 07, 2009
Failed caps on the power supply will cause that. The V26 Power pwb repair kit will usually correct that issue. Its available from www.tvrepairworld.com the kit contains the capacitors and the CD with instructions.
Posted on Oct 31, 2009
Testimonial: "no wonder you are an expert, we are nothing without you. huge thanks"
SOURCE: Mitsubishi 52525 TV Red Lamp LED
340v should be on power pwb plug PL on the 1 and
5 (GND) pins for the ballast. and the ballast plug CN should also have the 340V with pin 1 of that plug being GND nd pin 3 should have the 340V If the PL plug on the power board is low the power pwb has a problem most likely the doubler circuit. If CN plug voltage is high say 360V the ballast is suspect.
Posted on Jan 10, 2010
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