[TechAssist] Re: Magnavox TV, TP3281 C101, Chassis 32D700, Loses color
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 24 Jul 2003 19:42:24 -0400
Ken,
This is a Philisp note on the D7 chassis:
CHASSIS: D7
MANUAL: 7570
SYMPTOM: Chroma beat in picture
CURE: Add 220 nf SMD capacitor from pin 17 to pin 18 of IC 7000 on the Comb
Filter Module. This was begun in production in early October. Use Service
Code 3198 017 22240.
NOTE: There is no position screened on the PCB for this part.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 24, 2003 11:34 AM
Subject: [TechAssist] Magnavox TV, TP3281 C101, Chassis 32D700, Loses color
> Techs,
>
> This set is causing me to pull out my hair. May play for two days
> perfectly, then goes B&W. Heating & cooling has no effect. Flexing the
> board also has no effect. Unplug (Maybe just turn off & back on--didn't
> try due to the long period to act up.) and power up--color returns.
>
> Working without a schematic. Hope someone has seen this before and can
> suggest where to go. Have cleaned the pcb and resoldered everything in
> the area.
>
> TIA,
>
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
>
>
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