2003 Sony Trinitron KV-32HS510 video issue

[zeno]

You probably have two separate problems Your first was a
sync problem but good OSD. See the block diagram for hints.

The second problem NEEDS to be addressed first. If you cant find
it junk the set. And dont forget to grab yoke wedges & correction magnets !

That sub board with the giant SMD IC is probably where the sync problem lies.
Odds are a cap is bad but there are probably a crap load of 'lytics on it.
That means the others are probably on the way west. A lot of S happens on that board.

This is NOT an early SS set that can easily be repaired & you need to
keep that in mind.

73 Zeno
LFOD !

[pac.attack76]

Yeah, tell me about it. Lol. You referring to that B board for sync? I have that one out and looking at it. All the suspected caps are surface mount?

[zeno]

Originally Posted by pac.attack76

Yeah, tell me about it. Lol. You referring to that B board for sync? I have that one out and looking at it. All the suspected caps are surface mount?

Looks that way with SMD caps. To be honest if this showed up at the shop
we would most likely try to order the board. If it was NLA we would
condemn it after calling Sony TA. Some would see it as a challenge but as
a rule you would loose a LOT of $$. Cant pay the bills.....
You may want to look for an NOS board IF you fix the other problem BUT the 'lytics are old & do go bad even if never used. I know it sucks but thats the reality.

73 Zeno

[pac.attack76]

Ok ty much. I'll see if I can replace or fix but it might be a loss.

[pac.attack76]

I can't find a replacement. I'm assuming it's 1-684-698-13.

[pac.attack76]

Got the board out. Had it checked by someone. He went over the bottom and hit a few places that looked questionable. I don't have the proper iron for this. I put it back in and tried it and now it doesn't start up. It just clicks, blinks led 3 times then clicks again.

[pac.attack76]

On the very first attempt, it's sounds like it's gonna turn on. Probably the sound of the degauss. Any attempt after that is just one relay, 3 red led blinks, then another relay. Nothing else. Not even static on the screen when you touch it like you'd get if it turned on.

[JohnCT]

Originally Posted by pac.attack76

On the very first attempt, it's sounds like it's gonna turn on. Probably the sound of the degauss. Any attempt after that is just one relay, 3 red led blinks, then another relay. Nothing else. Not even static on the screen when you touch it like you'd get if it turned on.

With the TV unplugged, go the horiz output and measure resistance from collector to emitter. It should be virtually open. A short means the transistor is bad.

If there's no short, measure the voltage on that transistor from collector to emitter - it should be over 100VDC. If that's missing, you work back toward the regulator. If that voltage is there, we work on the horizontal drive.

Is there a schematic on-line?

John