20 Most Recent Hitachi 55FX48B 55" Rear Projection Television Questions & Answers

The convergence modules are bad. They are made by SDK. ShopJImmy has them. Buy the kit because it has resistors and fuses that you may need to replace too. TV Parts Universal TV Stands DLP Chips ShopJimmy

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: SMEARED PICTURECause: DEFECTIVE IX01,XX02,XX03 .............these are oscillator crystals that operate video ic's.......may all need replacing...good success, meder's tv service

cuz ur tv sucks, time for plasma

The first thing would be to unplug set and remove back cover, follow power cord to fuse-----check the AC line fuse and if bad replace it.If that fuse is good let me know if power light does or does not come on at the front of the set.

Does red power light come on when you turn set on?

well, if you know how to repair tv, I can provide you its service manual, just post here your email and get it.Hope you have necessary tools to rectify and check semiconductor components ;)
regards,

If you were to log on to hitachi.com, I think you will be pleasantly surprised as usually one is able to download, by model number, Customer Instruction Manuals, list of Dealers for spare part supplies and Driver downloads (if applicable) as required.

The information is normally free of charge.

I hope this helps.

The red convergence IC has failed. There are I believe 3 total convergence IC in your tv. The prefix for all three is STK392-xxx. If you can solder you can try and replace yourself otherwise you need a tv tech. With Hitachi's sometimes some critical resistors will change value as well and have to be replaced with exact equivalents. Sorry wish it was an easy solution..

Hello,
This indicates an Automatic Gain Control (AGC) problem often caused by a dried up capacitor. You will probably need a schematic to go much further. This could be a problem in the tuner, IF, or video amplifiers.

The following assumes you are sure the signal source is strong - try a VCR or other local one (channel 3/4, not the RCA jacks).

(From: Glenn Watkins ([email protected]).) Substitute a variable voltage source for the tuner's AGC voltage. Most of the time the range of AGC is from 1 to 7 volts. If you can get a decent snow free picture with an external AGC source, then the tuner is probably OK.

This is will require you to open the back cover of the television alongside an ohmmeter to read components on the printed circuit board of the television..
Take care

often found cold joint on the coil of power relay and on transformer near of flyback.+B pin of flyback

Hi

Thanks for using FixYa. It seems the issue is with the power supply unit of the TV which has gone bad and needs to be replaced however, you have not described the manufacturers name and model no# for the TV. Please do revert with this info. for more assistance.

Thanks
Rylee

It could either be a fuse inside the tv near the power supply board or the power supply board is bad.

u shorted the tv

thats cuz ur tv sucks

Shorted Hori ouput Transistor near FBT flyback Transfomer.Go towebsite online Encompass Parts Distr. they have listing for your Tv also have service manual,or Call 1-800-638-3328

Can you clean and check fans and vents. It maybe getting hot and shutting down. It is possible that a component is starting to go bad and needs replaced, It may be real hard to find such a component since it hasn't completely failed yet. If previous instructions doesn't help, you may need to have a Service Tech look at it.