[TechAssist] Re: Emerson TC2555D
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 15 Jun 2002 08:24:03 -0400
Shaun,
Check all of these:
/EMERSON/TC2555DA/DEAD EXCEPT CLICKS////Q401(2SD1556)*R521(4.7ohm
2w)*IC501(STR30110)*C435(1uf/160v)*R507(47ohm 14w)*also check C507 (100uf
160v)/////
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
501 Luther Rd
Harrisburg PA 17111-2055
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----- Original Message -----
From: "Shaun" <ssroark@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, June 15, 2002 1:27 AM
Subject: [TechAssist] Re: Emerson TC2555D
> OK I have tried everything. I have ordered the STR30110 regulator from 2
> parts houses and when they didn't work I ordered the original from Emerson
> who told me the set was made by Orion and sent me an original Orion
> regulator(STR30110). None of them work there is no control on pin 5 (should
> be 7 volts dc). I took one out of a good working Emerson tv with the same
> regulator(STR30110) and the set worked fine (7 volts on pin 5) has anyone
> seen this problem.
>
> Shaun (confused in Colorado)
> Advanced Electronics
> Fort Morgan, CO 80701
> (970)867-3124
> ssroark@xxxxxxxx
> ----- Original Message -----
> From: "Shaun" <ssroark@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, June 05, 2002 7:57 PM
> Subject: [TechAssist] Emerson TC2555D
>
>
> >
> > This set came in with horz output shorted along with the regulator and
> > resistor 521 (4.7 ohm 3 watt ) open. Also the 47 ohm off pin 2 of the
> > regulator was open. After replacing all the bad parts the set runs but the
> > B+ from pin 4 of the regulator is 111 volts dc and the picture is pulled
> in
> > just a little on the sides. When I adjust the B+ pot nothing changes, but
> it
> > is good and so is the resistor in line with it and pin 5 of the regulator.
> > My schematic says that pin 5 of the regulator should have 7 volts dc on it
> > but there is only 0.07 volts there and it doesn't change when adjusting
> the
> > B+ pot. Any ideas?
> >
> > Shaun
> > Advanced Electronics
> > Fort Morgan, CO 80701
> > (970)867-3124
> > ssroark@xxxxxxxx
> >
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