[TechAssist] Re: Philips 20" Chassis#20B800 R425 burns up
- From: CGRIFF4000@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 07 Jan 2004 17:24:48 -0500
Do you think the fact that I used a 22 ohm and not a .22 ohm could cause the
burning? Or am I most likely in need of IC400?
Chad
Griffiths TV/VCR
In a message dated 1/7/2004 5:11:21 PM Eastern Standard Time,
geminitv@xxxxxxxxxxxxxxxx writes:
>
>
> R425 is actually a 0.22 ohm, 1 watt, Philips part# 483511667254 and it is a
> fusible on the raw B+ line from pin 6 of T425 directly into pin 3 of IC400
> (which is most likely shorted or has an excessive load). I do not have a
> schematic I can either send or upload. Sorry!
>
> 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: <CGRIFF4000@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, January 07, 2004 4:58 PM
> Subject: [TechAssist] Philips 20" Chassis#20B800 R425 burns up
>
>
> > Philips 20" M#PL7120-C121 C#20B800-7562. Unit came in dead with shorted
> HOT. After replacing HOT unit was still dead. Found open R425, and replaced.
> Unit turns on now but R425 smokes.
> > Would someone please verify value/specs on R425. I think it is 22ohms. If
> my value is correct, any ideas on why this resistor is cooking. I do not
> have a schematic on this model.
> >
> > Chad
> > Griffiths TV/VCR
> > Schenectady, N.Y.
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