[TechAssist] Re: Zenith SG2779Y3 had intermit. vert defl cold. Parts ID IC2100.
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 23 Aug 2003 16:46:41 -0500
Hey phil, just a guess but I have seen the diode between pin 8 and 13 of
vert fail cause no vert and if this uses the 10v zenior off pin 1 check it
as well. good luck
Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, August 23, 2003 9:21 AM
Subject: [TechAssist] Zenith SG2779Y3 had intermit. vert defl cold. Parts ID
IC2100.
> Strange situation.
> First brought in for symptom of when turned on cold, just a line (no
> vert) but may shut off also.Must "work with it" as this elder customer
> said, until it "took" and was OK all day.
> This set has the two modules, 9-1075 SMPS/ Defl, and 9-959 signal/main.
> Of course, I changed lots of leaky electrolytics in the smps, and all
> over.Resoldered vert. IC2100.
> I thought the caps were the troubles.
> Ran a week, same issue with the no vertical cold.
> The vert output IC I will change: IC2100, #221-550-01,
> but what is the "LAxxx" equiv. to this Zenith part number?
> And any other issues known?
> Thanks.
> Phil Bader
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> For Professional Technicians Only
>
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