[TechAssist] Re: Zenith GA-3 chassis, dead
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 11 Feb 2003 10:04:39 -0500
Kevin,
Check and see if you have any standby voltages... +15 at D3411
and +5 at ZDX3401.... +124 at LX3405.. use tuner ground... ICX3431 {223-28}
pins 1 -41.7V 2 .34V 3 155V 4 .11
measurements from negative side of CX3405 ..if there ok remove and check
RX3404 180K ... Replace Cx3413 22/50 and Cx3416 100/25>>to 63V..
Have not seen any bad picture tubes....
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 11, 2003 4:52 AM
Subject: [TechAssist] Zenith GA-3 chassis, dead
> Hi fellow techs,
>
> I am not familiar with this Zenith GA-3 chassis. The set is dead and I
> don’t have the schematic. I haven’t found any shorted transistors or
> diodes. Are these the sets that had a history of bad picture tubes? It
> was manufactured in August 1998. Any help would be appreciated. TIA
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
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