[TechAssist] Re: Zenith TV SD5729W mod. 9-519-1 -touch pad doesn't work
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 26 Feb 2005 09:11:27 -0500
Just unplug the board and see if volume comes back. If it doesn't and there
is a power supply standing by itself, check the caps. One of them is for the
audio and I have seen this 4 or five times.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 25, 2005 10:39 PM
Subject: [TechAssist] Re: Zenith TV SD5729W mod. 9-519-1 -touch pad doesn't
work
> Max, I'm not sure we are talking about the same part here. I am asking
> how to get the touch pad apart on the flip down door.
>
> Here is a pic of it:
>
> http://www.number63.ca/zenithdoor.jpg
>
> Do you have one like it? I'm not familiar with these. Is it the touch
> pad that is most likely the problem, or is data on the main board not
> getting to the micro a common thing?
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
>
> Old TV Man wrote:
>> Gary - that control board should come out after removing 2 or 3 screws
>> frim the back. It should also have a part # on it.
>> I have some of he old control boards if you find the #.
>>
>> Max Bonnell
>> Bonnell TV
>> Robinson, IL
>>
>> Sender: techassist-bounce@xxxxxxxxxxxxx From:
>> gary@xxxxxxxxxxx(Gary=A0McCartney) Date: Fri, Feb 25, 2005, 3:50pm
>> (CST+1) To: techassist@xxxxxxxxxxxxx Subject: [TechAssist] Zenith TV
>> SD5729W mod. 9-519-1 -touch pad doesn't work Reply=A0to:
>> techassist@xxxxxxxxxxxxx
>>
>> I have this Zenith TV SD5729W with module 9-519-1. The touch pad inside
>> the pull down door on the front doesn't work. Set won't start and none
>> of the buttons work. I can operate the set with a universal remote
>> although it seemed like I could only raise the volume a bit and max.
>> level is low.
>>
>> Customer said that someone let water run into TV. He wasn't sure if it
>> was down the face of the tube or not. I haven't seen any sign of water
>> in the set.
>>
>> Is there any way to clean the keypad contacts? If so, how do you even
>> remove the door to work at it or take the keypad apart? Or is there more
>> likely a problem on the board leading to the micro?
>> Thanks for any help.
>
>
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