[TechAssist] Re: Magnavox XS2552 C308 Chassis-25X608-00BB
- From: Ed Gaidies <teltek2@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 13 Mar 2002 17:18:25 -0500
Thanks George;
Info much appreciated.
-Ed-
> From: George Johnson <geojohn49@xxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> Date: Wed, 13 Mar 2002 11:10:33 -0800 (PST)
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Magnavox XS2552 C308 Chassis-25X608-00BB
>
>
> You need to replace R411 if you found H/O shorted. It
> is a 100ohm/1/3 watt resistor. Pin 1 of IC410 is
> ground, so check 131 volts on pin 2. This is reference
> voltage to output on pin 4, which should be 130V. Pin
> 3 is input and should be 157 or so. If pin 2 is low,
> you may have bad IC410. Q400 should probably be
> replaced if you replaced the IC.
>
> geojohn
> Johnson TV
> Weatherly, PA
> (570)427-4637 Fax or Voice
> --- Tel-Tek Electronics <teltek2@xxxxxxxxxxxx> wrote:
>> Need Help;
>>
>> Set came in dead, found H/O shorted (Q502) and
>> replaced.
>> Replaced C431 (1uf/200volts) and C432
>> (100uf/200volts) Resoldered R504 and R525.
>> Have 157 volts on main filter, but have no idea
>> where my standby voltage is. I have no circuit for
>> this, and do not do many Magnavox in this area.
>> Have found a point marked start up voltage, but may
>> not have correct reference to ground. (reads less
>> than 1.2 volts)
>> Have no relay click, and set is Still, basically
>> DEAD.
>> Any Magnavox "hot shot" that can point me in the
>> right direction would be appreciated.
>>
>> Thanks;
>> -Ed-
>>
>>
>> Please Change the address in your Address Book
>>
>> Default.
>>
>> teltek2@xxxxxxxxxxxx
>>
>> Secondary........
>> teltek35@xxxxxxxxxxx
>>
>> Tel-Tek Electronics.
>>
>>
>>
>>
>>
>>
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>
>
> =====
> Johnson TV & Satellite
> Weatherly, PA 18255
> 570-427-4637 Voice & Fax
>
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