hiachi 53fdx01b


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hiachi 53fdx01b

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hartlanders
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Mar 28, 2006, 2:31 PM

Post #1 of 2 (1258 views)
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hiachi 53fdx01b	Can't Post

Hello iam working on the convergence amps on this set.

when i checked out this tv it was dead.no filaments on tubes,the two

leds on deflection pwb off.when checking the +-28v feeding the conv.amps the dp12 checked shorted.so i sstarted to unsolder the stks to see if the short would go away.as i was desoldering i noticed the pads on four of the pins was missing.i think someone tried to fix or replace the amps.i have used wire wrap on occasion,but am a little reluctant to do this.the stks in the set are knockoffs not the oem stks.i have the hitachi part numbers cz00433,which are 392-150.i use them a little more reliable.

any suggestions with this ?or should i send board to PTS.

Edward

tekmenlos
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Apr 6, 2006, 12:06 AM

Post #2 of 2 (1228 views)
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Re: [hartlanders] hiachi 53fdx01b [In reply to]	Can't Post

Hi, so it looks like you found bad traces on the board, I have worked with PTS myself and I have no trust in them, not even once have they fixed any of my boards. Do it yourself I say. If you want to jump the traces I have the service manual with the schematics for $5.00 only if you would like to give it a try. STK's 392-150's are good, I have replaced many of sets with generic STK's and they work fine. Your TV originally had 392-110 in them and that's why they got replaced in the first place. 392-120, 392-150 and 392-180's are just fine. In fact, Pioneer replaces all of their 392-120's with 392-180 in their Elite line every single time.

If you are interested in the service manual let me know, my e-mail is tekmenlos@yahoo.com. ...Lates...

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