[TechAssist] Fw: Re: Sylvannia(Funai) SRT2027 dead
- From: "Kerry & Cherie" <alterego@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 10 Jan 2002 17:55:26 -0800
Jerry, thanks for the reply, The res's have
20 volts on the supply side but the chip appears
dead so perhaps the supply did cause it?
any way I'll try Funai tech support possibly if
there is a phne # avail? Thanks again...Kerry
-----Original Message-----
From: J Silverman <greentron@xxxxxxxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Thursday, January 10, 2002 5:28 PM
Subject: [TechAssist] Re: Sylvannia(Funai) SRT2027 dead
>
>Sounds similar to one I had about a year ago. The resistors were burned up,
>220 ohms I think. The solder on the 9 volt zener was crystalized from the
>heat. The resistors were fed from a rectifier off the SMPS secondary. There
>was also a 30 volt zener from the rectifier to ground. The 30 volt zener
was
>shorted so I had no voltage to the resistors. Funai T/A said I would
>probably have to replace the IC too. But in this unit replacing the 30 volt
>zener and the burned resistors was all that was necessary.
>Funai T/A knew right away what the damage was so it must be common. It was
>warranty so I ordered all the parts they suggested but the IC never came
in.
>Perhaps they have them in stock by now. Cause of the problem was SMPS
>runaway. Could not find anything wrong with the SMPS.
>Jerry Silverman
>Greentron Inc
>4 Newland Ave
>Greenville SC 29609
>864 232 3889
>Fax 271 2080
>mailto:greentron@xxxxxxx
>----- Original Message -----
>From: "Kerry & Cherie" <alterego@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Thursday, January 10, 2002 7:36 PM
>Subject: [TechAssist] Sylvannia(Funai) SRT2027 dead
>
>
>> I have a 27" Sylvannia(Funai) STR2027
>> came in dead,no obvious shorts(horz out,etc).
>> relay clicks,has 105 volts on horiz output,
>> no horiz drive signal from IC301.
>> R396 & R397 very discolored and D396(zener)
>> also warm and discolored.Has 8.6volts on it,
>> I assume b+ for IC301(M61203c).I,m thinking
>> maybe this IC is bad? any one have any experience
>> on these sets? 2000 model.I don't have the service
>> manual ...Any help would be qppreciated! Thanks,
>> Kerry,KER-TEK TV, Medford Or.
>>
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>
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