[TechAssist] Re: Panasonic CT27G7DF chass JP363 Power Supply problem
- From: Al Gutz <alg@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 26 Feb 2005 22:24:08 -0500
What are your symptoms>?
Al G
MDileo0000@xxxxxxx wrote:
> Paul, can you upload it to the Member's area? I have one here with the same
> power supply.
> Dominic DiLeo
> Atlantic TV
> Freeport, Maine
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> In a message dated 2/25/2005 11:24:32 PM Eastern Standard Time,
> westcott@xxxxxxx writes:
> Al,
> I can send you the schematic (3.8M) if you need it.
> Let me know.
> Paul Westcott
> Kingsway Electronics
> 1090 Kingsway
> Sudbury,On
> Ph. 7095 566-9290
> Fax 05 566-5349
> westcott@xxxxxxx
> Canada
> kingswayelectronics@xxxxxxxxxx
> westcott@xxxxxxx
> ----- Original Message -----
> From: "Al Gutz" <alg@xxxxxxxxxxx>
> To: "tech assist" <techassist@xxxxxxxxxxxxx>
> Sent: Friday, February 25, 2005 10:14 PM
> Subject: [TechAssist] Panasonic CT27G7DF chass JP363 Power Supply problem
>
>
> Manuf 2002
>
> Have a CT27G7DF with power supply problem. IC801 STRG5624 thermal
> runaway and them shuts down, this happens either in stby or run. Picture
> on set look A OK and an odd shot of freeze on STR it will work all day.
> Replaced STR, checked all electros in PS and all resistors and diodes
> out of circuit. In run B+ is 135V HOT and Vert run cool.
>
> Diode D812 is zener off pin 3 of STR, I measure a voltage of about 1.4V,
> the diode is marked like a resistor and bands look like Green, Brown, Brown.
>
> Anyone see this problem before or any idea what voltage rating is for D812
>
> Thanks for any info
>
> Al G
> Al's TV-Electronics
> Pembroke Ont.
> Canada
>
>
>
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