[TechAssist] Re: Zenith A25A12D CHASSIS GA-2
- From: Alvin Rose <ajroseca@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 10 Mar 2005 19:14:28 -0330
Hi Bob
I checked rx3404 and it checks ok at 180k in supply circuit.
A.R
Bob@Bobs tv wrote:
>Alvin,
> If you have no 130V at collector of HOT remove and check RX3404 180k
>1/2 W in power supply..
>Bob,
>
>Bobs TV Worcester, ma
>
>woodman1@xxxxxxxx
>
>Main 508-853-1482
>Fax 508-853-1480
>----- Original Message -----
>From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
>To: "techassist" <techassist@xxxxxxxxxxxxxx>
>Sent: Wednesday, March 09, 2005 9:24 PM
>Subject: [TechAssist] Zenith A25A12D CHASSIS GA-2
>
>
>
>
>>We have a zenith A25A12D Model which is dead..Push power on
>>and relay will click sometimes but it will not come on..
>>There is no voltage output from the SMPS supply..Changed ICX3431
>> switching regulator... also RX3404, CX3413, CX3416, but unit will
>>not come on..any help would be appreciated....anyone have a pdf
>>of this chassis to email.
>>Alvin Rose
>>Radio & Tv Centre
>>Marystown, NL
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