[TechAssist] Re: FIXED Magnavox 60P8241 PTV910 Intermittent Blinking. Like pic is breathing in and out.
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 11 Feb 2006 16:11:25 -0500
Has anyone tried just the two IC's for a fix? 7412 and 7402.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "GERALD GANN" <alpha21century1234@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, February 11, 2006 12:52 PM
Subject: [TechAssist] Re: FIXED Magnavox 60P8241 PTV910 Intermittent
Blinking. Like pic is breathing in and out.
> Thank Damon and Jim and any others that replied.
> Replacing all three Optoisolator completed the repair. Part # 9338 941
> 50682 (CQY80N)
> By the way Jim that CNW136 is an 8 pin IC. I can't see how it would
> sub for the CQY80N is a 6 pin IC
> Jerry
> Alpha 21 Electronics
> 1840 State St.
> Granite City, IL 62040
> 618-452-8620
> alpha21century1234@xxxxxxxxxxxxx
>
> GERALD GANN <alpha21century1234@xxxxxxxxxxxxx> wrote: PTV910 I usually
> put that in the subject line. Getting old I guess.
> Jerry
> Alpha 21 Electronics
> 1840 State St.
> Granite City, IL 62040
> 618-452-8620
> alpha21century1234@xxxxxxxxxxxxx
>
> Damon wrote: Is it possible you could ALSO INCLUDE the chassis number?
> Some Techs use
> that number, like me.
> But I'll guess that your Optoisolator is bad, which one you say? Try the
> BIG
> ONE. I just replaced one and it's back in working condition.....which
> chassis you say??? Well, it was a PTV 843.
>
> Damon B
> Telrad Electronics
> Fort Wayne IN
> ----- Original Message -----
> From: "GERALD GANN"
> To:
> Sent: Saturday, February 04, 2006 5:08 PM
> Subject: [TechAssist] Magnavox 60P8241 Intermittent Blinking. Like pic is
> breathing in and out.
>
>
>> Magnavox 60P8241 Intermittent Blinking. Like pic is breathing in and
> out.
>> I found two tip in Force32 that had to do with that.
>> 1. Was to do the Modification of SSB. I didn't do the Modification but I
> have good SSB board and I put it in. This is my test board I keep for this
> purpose. This board works fine in a 55P8241 that I have here. I have a
> board
> ordered for the 55P8241. On back order of course. No ETA.
>> 2. Replace D6003 and Resistor 3669 also when replacing D6003 replace
> D6012 and D6025. What fun that was I've had dirt in my eyes bigger than
> those surfs mounts. R3669 checked good.
>> Nether tip help.
>> Dose anyone else have any other tips or fixes for this symptom.
>> Thanks
>> Jerry
>> Alpha 21 Electronics
>> 1840 State St.
>> Granite City, IL 62040
>> 618-452-8620
>> alpha21century1234@xxxxxxxxxxxxx
>>
>>
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