[TechAssist] Re: Zenith TV model no. SG2721H9 module no. 9-959-1and 9-754
- From: woodman1@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 27 Nov 2003 21:01:17 -0500 (GMT-05:00)
Sunny,
You don't give much to work with..no video or audio, other than
lightning what was original problem? screen dark or snow? At autoprogram is
there a band select? do the a/v inputs work? if more than 1 RF input did you
feed RF direct into tuner? what are the supply voltages to the tuner? On most
of Zeniths if it mutes with no pix {snow} usually tuner/supply voltage
related.. Also older Zeniths will autoprogram in both directions..Some Zeniths
require you replace eprom with micro. That's all I can think of as I'm at home
now. If you need supply and tuner voltages email me tomorrow at...
woodman1@xxxxxxxx
Bob
Bob's TV
Worcester, ma
-----Original Message-----
From: R & S ELECTRONICS <RSELECT@xxxxxxxxxxxx>
Sent: Nov 27, 2003 7:53 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Zenith TV model no. SG2721H9 module no. 9-959-1 and 9-754
Hi Techs
HAPPY THANKSGIVING TO EVERYONE.
This set is hit by lightning and there is no video no audio.
When you auto program it will go up to chl 20 and go backwards than restart
from channel 2 . channel 2 pldisplay comes on the screen and underneath
it says MUTED. We cannot scan any channels. Replaced all these parts but still
no difference. IC 6000 micro, Tuner, IC2301 video processor and
flybacktransformer.
Can any one has any suggestions on this TV, appreciated your help in
advance.
Thanks
Sunny
R&S Electronics,PA
TEL/FAX:(717)532-6312
Email:rselect@xxxxxxxxxxxx
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