[TechAssist] Re: Emerson TC1972 Regulaton problem
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 8 Feb 2005 11:05:04 -0500
Ok so it doesn't regulate as you turn the AC up. OK.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 08, 2005 9:32 AM
Subject: [TechAssist] Re: Emerson TC1972 Regulaton problem
>I am turning up the A/C because the tv was not regulating and going into
> shutdown at the customers house. By turning up the A/C I was getting the
> tv
> to go into shut down and by scooping the regulator I saw that it was not
> regulating. If a television is working properly it will not shut down if
> you
> momentarily turn up the A/C input but if there is a problem it will shut
> down.
>
> Shaun
> Advanced Electronics
> Fort Morgan, CO 80701
>
> satguy@xxxxxxxxxxxxx
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, February 08, 2005 5:47 AM
> Subject: [TechAssist] Re: Emerson TC1972 Regulaton problem
>
>
>> Just a question but why are you turning it up to 135V?
>> Al Marquardt
>> ampm@xxxxxxx
>> Al Marquardt Electronic Repair
>> 206 W Main
>> Girardville Pa. 17935
>> ----- Original Message -----
>> From: "Shaun" <satguy@xxxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Tuesday, February 08, 2005 12:15 AM
>> Subject: [TechAssist] Re: Emerson TC1972 Regulaton problem
>>
>>
>> > Buck, I got it running but it still shuts off if I apply 130-135 volts
> ac.
>> > If you want to can you send me a scan of the power supply so I can test
>> > some
>> > power supply voltages. Than you.
>> >
>> > Shaun
>> > Advanced Electronics
>> > Fort Morgan, CO 80701
>> >
>> > satguy@xxxxxxxxxxxxx
>> > ----- Original Message -----
>> > From: "Old TV Man" <mebonnell@xxxxxxxxx>
>> > To: <techassist@xxxxxxxxxxxxx>
>> > Sent: Monday, February 07, 2005 8:28 PM
>> > Subject: [TechAssist] Re: Emerson TC1972 Regulaton problem
>> >
>> >
>> >> Buck - Shaun did not ask for the schematic but I can scan it to you.
>> >>
>> >> Max Bonnell
>> >> Bonnell TV
>> >> Robinson, IL
>> >>
>> >> Sender: techassist-bounce@xxxxxxxxxxxxx From:
>> >> spasher@xxxxxxxxxxxxx(STERLING=A0PASHER) Date: Mon, Feb 7, 2005,
> 10:33pm
>> >> (CST+2:30) To: techassist@xxxxxxxxxxxxx Subject: [TechAssist] Re:
>> >> Emerson TC1972 Regulation problem Reply=A0to: techassist@xxxxxxxxxxxxx
>> >>
>> >> Shawn : I would appreciate if you would send that same scan to me as I
>> >> have a problem with one.
>> >>
>> >> Buck Pasher
>> >> Buck's TV
>> >> Gander Newfoundland
>> >> Canada
>> >> 709-256-7738 (Fax & Phone)
>> >> spasher@xxxxxxxxxxxxx
>> >>
>> >> ----- Original Message -----
>> >> From: "Old TV Man" <mebonnell@xxxxxxxxx>
>> >> To: <techassist@xxxxxxxxxxxxx>
>> >> Sent: Monday, February 07, 2005 8:43 PM
>> >> Subject: [TechAssist] Re: Emerson TC1972 Regulation problem
>> >>
>> >> Shaun.
>> >> I can scan the schematic if you still need it.
>> >>
>> >> I don't understand why you would run the AC up to 135 volts.
>> >>
>> >> Max Bonnell
>> >> Bonnell TV
>> >> Robinson, IL
>> >> Sender: techassist-bounce@xxxxxxxxxxxxx From:
>> >> satguy@xxxxxxxxxxxxx(Shaun) Date: Mon, Feb 7, 2005, 3:06pm (CST-1) To:
>> >> techassist@xxxxxxxxxxxxx (tech) Subject: [TechAssist] Emerson TC1972
>> >> Regulation problem Reply=3DA0to: techassist@xxxxxxxxxxxxx
>> >>
>> >> This Emerson TC1972 acts like the regulator is bad, but a new exact
>> >> replacement does the same thing. Unit will play ok until ac input is
>> >> increased to around 135 volts with a variac. It will shut down. I
>> >> replaced IC501 (STR30110) and R509 and have no schematic.
>> >>
>> >> Shaun
>> >> Advanced Electronics
>> >> 224 West Riverview Ave.
>> >> Fort Morgan, CO 80701
>> >> ----------------------------------------------
>> >> ----------------------------------------------
>> >>
>> >>
>>
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