[TechAssist] Re: Zenith Sy3581DT
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 09:55:32 -0500
Dave,
Does the fuse blow at plug in or turn on? Try unplugging 3A5 {in
front of fly} and see what happens.......According to Ztips the SMPS is a
9-1672-01.. I'm working on a IQ3597BT and it uses a 9-1673-01.. Found
shorted transistors on the video output board and shorted CX3452 on SMPS..
Replacing was no help so I ordered a CRT board...But now at least set turns
on with CRT leads unplugged from SMPS with HV and sound..I gave up trying
generic transformers on the zenith 32" and 35" most wont work or give
strange symptoms like turning up screen set shuts down...Sorry no print on
that model nor does Zenith list it on there site...
Hope this helps...
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Don Reaka" <tvgramps@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 20, 2003 7:11 AM
Subject: [TechAssist] Zenith Sy3581DT
> This set uses a 9-1607-2 SMPS module came in with Horizontal out shorted
> installed a new flyback and output transistor but FX3403 2A fuse keeps
> blowing I have checked the 1.2kv cap across the output it is ok this fuse
> blows with the yoke unplugged and the crt drive board removed the yoke
> horizontal windings ring at 8 rings, vert 11 rings. Could someone pdf a
> schematic of the power supply board or give me a clue as to whats going
on?
>
> Don Reaka
> 4423 Hill Road
> Highland Il 62249
> Reaka TV/VCR
>
>
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