[TechAssist] Re: Dead Zenith M#Z25X22S
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 18 Sep 2001 21:40:23 -0400
Dan,
Is the HV coming up OK? Horiz collector waveform look good?
Jeff Stielau
Shoreline Electronics Repair
125 Beechtree Lane
Westbrook,CT 06498
860-399-1861 Voice
860-664-3535 Fax
jstielau@xxxxxxxx
----- Original Message -----
From: "Webster TV" <webstertv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 18, 2001 8:54 PM
Subject: [TechAssist] Dead Zenith M#Z25X22S
>
> Need help on this Zenith, unit is dead, relay clicks and in about 5
seconds
> it sounds like it goes into shutdown. Checked all voltages and waveforms
in
> power supply, nothing seems to be way off, when set shutsdown set looses
the
> 14.7v and 9v source voltage, 5v source stays OK. Defeated shutdown circuit
> according to SAMS instructions, by removing diode DX3006 from circuit, set
> still shutsdown. Tried disconnecting tuner as have had problem with tuner
> causing same symptom, but didn't help.ANY SUGGESTIONS!
> Also have checked transisters in power supply and horiz.circuit.
> Dan Webster
> Webster's TV
>
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