[TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690 CONVERGENCE. update
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 23 Jan 2005 19:34:33 -0500
You know , no I didn't. Didn't even think of it because the picture is good.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "pete" <tvtech@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, January 23, 2005 3:01 PM
Subject: [TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690 CONVERGENCE.
update
> have you tried to change the conv yokes just to discard the conv yoke?
>
> Pete
> Perdomo Tv Inc Since 1972
> Miami.Fl
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, January 23, 2005 1:52 PM
> Subject: [TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690 CONVERGENCE.
> update
>
>
>> Thanks Pete. I saw on here to replace them with 180's????
>> Al Marquardt
>> ampm@xxxxxxx
>> Al Marquardt Electronic Repair
>> 206 W Main
>> Girardville Pa. 17935
>> ----- Original Message -----
>> From: "pete" <tvtech@xxxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Sunday, January 23, 2005 1:47 PM
>> Subject: [TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690
>> CONVERGENCE.
>> update
>>
>>
>>> al think you should replace buth ics with a 110 number and see what
>>> happens
>>> Ive never used 180s to replace 110s
>>>
>>> good luck
>>>
>>> Pete
>>> Perdomo Tv Inc Since 1972
>>> Miami.Fl
>>> ----- Original Message -----
>>> From: "al m" <ampm@xxxxxxx>
>>> To: <techassist@xxxxxxxxxxxxx>
>>> Sent: Sunday, January 23, 2005 10:04 AM
>>> Subject: [TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690
>>> CONVERGENCE.
>>> update
>>>
>>>
>>>> If someone gets a 9-1690 convergence board in, could you please let me
>>>> know
>>>> if the blue convergence heatsink should be running hotter than the red
>>>> one.
>>>> Mine is running at 138f deg..
>>>> Al Marquardt
>>>> ampm@xxxxxxx
>>>> Al Marquardt Electronic Repair
>>>> 206 W Main
>>>> Girardville Pa. 17935
>>>> ----- Original Message -----
>>>> From: "al m" <ampm@xxxxxxx>
>>>> To: <techassist@xxxxxxxxxxxxx>
>>>> Sent: Wednesday, January 19, 2005 4:18 PM
>>>> Subject: [TechAssist] Re: Zenith Z52Z95D8 9-1674 SWEEP 9-1690
>>>> CONVERGENCE.
>>>> update
>>>>
>>>>
>>>>>
>>>>> This set the blue convergence was replaced with a STK392-180. The
>>>>> picture
>>>>> is
>>>>> good but the heat sink that the IC is on is measuring 139Fdeg. The red
>>>>> heat
>>>>> sink is a lot cooler. I have changed all caps on the board and checked
>>>>> all
>>>>> the other components. There is a -5V regulator on this heat sink. The
>>>>> voltages are all correct on the board. Could this heatsink be running
>>>>> hotter
>>>>> than the other one because of the -5V regulator? Could this be normal?
>>>>> All
>>>>> the heat seems to come from the -5V regulator. When I measure the temp
>>>>> on
>>>>> the IC it is cool but on the regulator it is 138F. Am I chasing a
>>>>> ghost
>>>>> again with this being normal? Thanks.
>>>>> Al Marquardt
>>>>> ampm@xxxxxxx
>>>>> Al Marquardt Electronic Repair
>>>>> 206 W Main
>>>>> Girardville Pa. 17935
>>>>> ----- Original Message -----
>>>>> From: "al m" <ampm@xxxxxxx>
>>>>> To: "tech assist" <techassist@xxxxxxxxxxxxx>
>>>>> Sent: Saturday, January 08, 2005 11:44 AM
>>>>> Subject: [TechAssist] Zenith Z52Z95D8 9-1674 SWEEP 9-1690 CONVERGENCE.
>>>>>
>>>>>
>>>>>> This set had no power. I replaced the B+ diode and the set ran but
>>>>>> the
>>>>>> blue
>>>>>> convergence was off. Changed the blue convergence IC ( STK392-110
>>>>>> with
>>>>>> STK392-180). The Ic's are running hot. How hot are these supposed to
>>>>>> run.
>>>>>> I
>>>>>> can keep my finger on it but it is hot. I may have something more
>>>>>> wrong
>>>>>> with
>>>>>> the power supply.
>>>>>> Al Marquardt
>>>>>> ampm@xxxxxxx
>>>>>> Al Marquardt Electronic Repair
>>>>>> 206 W Main
>>>>>> Girardville Pa. 17935
>>>>>>
>>>>>>
>>>>>>
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