[TechAssist] Re: fix? Philips / Magnavox 27PT6441/37 , L04.1UAA dead, AC fuse blows at plug in
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 04 May 2005 10:35:10 -0400
That is correct Phil. I am the one who posted that.
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@xxxxxxxxxxx
----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, May 04, 2005 10:31 AM
Subject: [TechAssist] fix? Philips / Magnavox 27PT6441/37 , L04.1UAA dead,
AC fuse blows at plug in
> I put a "?" next to fix because I haven't actually fixed it yet, but as
> the copied thread below describes,I unplug the ADG plug, replace 4A GMA
> fuse again and set powers up OK, fuse does not blow. So, it is an ADG
> issue: See email from my archives:
>
> Symptom:
> Dead set. Open AC line fuse, 1500. Replacement may blow again.
> CLUE If degaussing coil is unplugged fuse blows will stop.
>
>
> Cause:
> Current parameters of degauss resistor and degauss coil
>
> Resolution:
> Remove degauss resistor 3523 (white rectangle) and replace using location
> 3507 with service code 2122 663 00019, a 3 ohm PTC resistor. Give close
> attention to the marking on the CBA for 3507.
>
> Applies To:
> 26PW6341/37, 27MS6341/37, 27PT5441/37, 27PT6441/37, 27PT6442/37,
> 30PW6341/37, 32MS6341/37, 32PT5441/37, 32PT6441/37, 32PT6442/37, L04.1U AA
>
> Symptom:
> After replacing Degauss Thermistor (PTC) 3523 with 3507 as 212266300019,
the
> fuse 1500 continues to open.
>
> Cause:
> The wrong fuse is being used.
>
> Resolution:
> Use only fuse part number 242208610914. This is a special time lag fuse
and
> is a safety part.
>
> Applies To:
> 25PT6341/85, 26PW6341/37, 27MS6341/37, 27PT5441/37, 27PT6441/37,
> 27PT6442/37, 28PW6341/85, 29PT6441/44, 29PT6441/85, 29PT6541/44,
> 29PT6541/85, 30PW6341/37, 32MS6341/37, 32PT5441/37, 32PT6441/37,
> 32PT6442/37, 32PW6341/85, 33PT5441/85, L04.1U AA
> Will advise my results.
> Phil Bader
>
>
>
>
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
> Phil Bader wrote:
>
> >Came in dead. The main GMA 4A AC fuse was black/blown.The PS FET reg
> >nor the HOT shorted. Both OK. Diodes,bridge,etc all seem OK. I replaced
> >the main fuse, plugged set in. Heard one hum of the ADG coil, and the
> >fuse blew again. Is there any issues with a shorted ADG (degaussing)
> >circuit shorting?
> >Phil Bader
> >
> >
> >
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