Question about Proscan 55LC55S240V87 55 in LCD TV

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Proscan high voltage power unit p552652 - Proscan 55LC55S240V87 55 in LCD TV

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Why is it displaying sc300 error?


High voltage power output error The measured voltage is not correct when the EGB measures each charge output (charge, development, image transfer belt unit, and transfer unit).
  • Disconnected or defective high voltage harness
  • Defective high voltage power supply
  • Defective EGB
  1. Check or replace the harnesses.
  2. Replace the high voltage power supply board
  3. Replace the EGB.

Jan 30, 2013 | Ricoh SPC242SF Colour Multifunction...

1 Answer

My proscan tv has the blue light but wont turn on


Most likely it's the power supply board that went out. (part of it still works is why you get the blue LED when you plug it in.)

If you decide to try to fix it yourself, BE CAREFUL! The power supply board has capacitors that can hold high voltages for many hours after the TV's been unplugged.The equivalent of sticking your finger in a light socket.

You'll need the part number off the power supply to get a replacement.

May 31, 2012 | Proscan 42LA45H 42 in. LCD TV

1 Answer

I have a RCA Proscan PS35653 that won't power on. I have had this happen before & took it back to Circuit City where I purchased it. They repaired it but are no longer in business. It didn't cost much...


These units are famous for high voltage/horizontal problems which could have affected the power supply. Parts are beggining to be no longer available for these sets. Have a shop give you an estimate before putting a lot of money in it. Thanks for using fixya.

Jan 02, 2010 | RCA Televison & Video

1 Answer

Proscan big screen no power will not start up


If you hear it trying to start up (usualy you'll hear a slight hiss about 3times) than the problem is likely the High Voltage block - a very common fault with these sets- The block costs between $40-$100 and because Highvoltage is present should be replaced by an experienced technician. If you decide to do yourself let me know.

Sep 26, 2009 | Proscan PS52650 52" Rear Projection...

1 Answer

High pitch humming sound when tv is off.


Better not to interfere with it as it should be under warranty if you have just bought it Either retun it to the store or have their service tech come out and look at it. These units are High tension power and are dangerous to try and fix yourself if you dont know what you are doing

Jul 31, 2009 | Televison & Video

1 Answer

On and off switch won't respond manually or with remote.


Sounds like you have high voltage, I would have to guess the vertical IC has failed. its in the high voltage board and should be done by a qualified tech.

Jul 29, 2009 | Proscan PS52690 52" Rear Projection...

1 Answer

PROSCAN TV


Hi

the ticking sound is coming out from the flyback that is high voltages!!! if you on the unit is there a picture coming out? or sounds coming out from speaker?

Thanks!

Jul 02, 2008 | Televison & Video

2 Answers

High voltage splitter


I have read on this forum that for the Proscan 60690 Chasis # PTK 188AC, the HV Splitter part # is 205064 and can be easily purchased on eBay for around $20.- $25.

Sep 28, 2007 | Proscan PS60690 60" Rear Projection...

1 Answer

Proscan not turning on


Actually, the set has the PTK188AC chassis. This is a very uncommon chassis. The most common reason for the set not starting in that chassis is a shorted high voltage splitter. That is the large black box inside the set that has 5 thick red wires in it. When the set is turned on, the computer senses the short in the high voltage circuits and immediately shuts the set back off. When the set is on, that box has dangerously high voltage in it so it should only be replaced by a qualified tech familiar with the high voltage splitters in RCA projection sets.

Aug 28, 2007 | Proscan PS60690 60" Rear Projection...

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