[TechAssist] Re: Zenith SMS-2053S, Herringbone
- From: "Bruce Youmans" <youmans@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Nov 2003 17:29:31 -0700
Bob,
Checked all caps in vicinity of tuner. All check good. Also replaced
capacitor on AGC line. Still not good. I have been working without a
schematic. I will probably need to get a PDF schematic of the 9-1457-1
module and dig dipper into the AGC circuit. It must be something simple that
I'm overlooking.
Bruce
Bruce's TV Service
Sierra Vista, Arizona
----- Original Message -----
From: Bob@Bobs tv <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 21, 2003 3:02 PM
Subject: [TechAssist] Re: Zenith SMS-2053S, Herringbone
Bruce,
Check/replace caps near tuner especially one going to AGC line to
tuner..
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Bruce Youmans" <youmans@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 21, 2003 3:56 PM
Subject: [TechAssist] Zenith SMS-2053S, Herringbone
> Make: Zenith
> Model: SMS-2053S
> Module: 9-1457-1
> Herringbone (beat pattern) in picture on some channels, 5 through 60
mainly. Some noise (snow) in picture and also faint vertical bar floating
from side to side on some channels. Channels 2 through 4 are clear.
>
> Have swapped tuner, no change.
> Video input is good.
> Power supply voltages are clean.
> Any ideas or tips appreciated.
>
> Bruce
> Bruce's TV Service
> Sierra Vista, Arizona
>
>
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