[TechAssist] Re: re. Magnavox 36"ch. M8, mo. MS3650c129 intermittent shutdown.
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 16 Jun 2005 07:17:52 -0500
Symptom:
A small number of M8 chassis may exhibit a desire
to shutdown (go to x-ray protect-error 1). This may occur with
channel change, input switching or other disturbances. In a
small number of cases it may begin after the UOC, IC 7200,
is changed. In those models with out a Service Mode the error
codes may be read with ComPair
If this occurs use the correction for the proper screen size/type.
Resolution:
For 25 and 27 inch convential CRT (curved face)
Change 3452 to 2312 915 11003 10K 1%
Change 3454 to 2312 915 13902 3K9 1%
Use only these specific parts!
For 32 inch convential CRT (curved face)
Replace 3451 with 2306 204 03278 2R7 ohm 5%
Replace 3452 with 2312 915 15602 5K6 ohm 1% MFLM
Use only these specific parts!
For 27 inch Real Flat CRT (flat face)
Replace 3451 with 2306 204 03568 5R6 ohm 5%
Replace 3452 with 2312 915 15602 5K6 ohm 1% MFLM
Use only these specific parts!
********************************
Since 1972 *
Jim Myers *
Telrad Electronics *
Fort Wayne Indiana *
********************************
Carol Rundle wrote:
> Eric, tried parts you suggested still shuts down.. Also must be the
> economy Model, no vdr on CRT pcb! Anymore suggestions, bring um on....
>
> Bill's TV
> Bill
> Sonora,Cal.
>
>
> Eric Manuel <tvman@xxxxxxxxxxxxxxx> wrote:
> bill check the parts listed here..Eric
>
> Magnovox C2455, Tr7463, Tr7461, vdr on crt PCB.
>
>
> Eric
> E M Electronics
> Deer Lake Nfld
> Canada
> tvman@xxxxxxxxxxxxxxx
>
> Carol Rundle wrote:
>
>>Dead only chirping, replaced H.O.xistor, H.V. transf., ran fine for couple of
>>days, started shutting down intermittently! Tried adjusting screen control as
>>per Philips tech. Bulletin, same result.. Replaced Vert. ic, esr'd lytic's,
>>p.s.,h.v., There is slight shrinkage top right edge of picture, maybe 1/4 in,
>>luminance (sometimes) pulsates when scene changes. Any help appreciated,
>>Thank you.. Don't have schematic, or if,.. it would even help ?
>>
>>Bill's TV
>>Bill
>>Sonora,Cal.
>>
>>Carol Rundle
>>brundle@xxxxxxxxxxxxx
>>
>>
>>
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> Carol Rundle
> brundle@xxxxxxxxxxxxx
>
>
>
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