[Kenwood] TS-850 Display Gone Wild

[Avi - Modi'im Orchards]

What technique or material do you recommend for removing and neutralizing 
the chemicals from battery leaks on PCBs?

-avi 4X6UA

----- Original Message ----- 
From: "Clif Holland" <clif at avvid.com>
To: "Henry" <ka3muf at charter.net>; <kenwood at mailman.qth.net>
Sent: Tuesday, December 18, 2007 03:47
Subject: Re: [Kenwood] TS-850 Display Gone Wild


> You need to get your nose in the radio "RAT NOW", that's immediately for 
> those furthur north.
>
> Odds are pretty good the battery is leaking and there are data lines under 
> it that don't like battery acid. The longer you wait the more damage.
>
> Remove the top and bottom.
> Remove the top screws on each side just behind the front panel. (2).
> The front will tilt over and the battery will be just to the left of 
> center on the board on the chassis.
> Look around it for any signs of white powder. Tilt the top of the battery 
> over and look behind it. Us a small flashlight. Any signs of white power 
> and it's leaking. Look closely at the seam on the back. Look the entire 
> board over carefully for any corrosion etc.
>
> That's the digital unit and they are no longer available so don't damage 
> it or you have a trotline weight.
>
> Clif Holland KA5IPF
> www.avvid.com
>
>
>
>
> ----- Original Message ----- 
> From: "Henry" <ka3muf at charter.net>
> To: <kenwood at mailman.qth.net>
> Sent: Monday, December 17, 2007 5:14 PM
> Subject: [Kenwood] TS-850 Display Gone Wild
>
>
>>I know that something about this problem has been posted previously but I
>> have been unable to locate it.  The radio still works and I have gotten 
>> it
>> to display the desired freq. on 75 meters but when it was first powered 
>> up
>> today, every item in the display was illuminated and nothing but 8s and
>> sometimes vertical lines were displayed in the frequency area.  Is my
>> internal battery going south or what?  I tried the hard reset which 
>> seemed
>> to work but the same erratic display appeared after turning the VFO.  A
>> little more patience and now the display seems to be stable.  I am 
>> however,
>> afraid to turn the radio off!  Is there a quick and easy fix for this? 
>> If
>> the battery needs replacing, can this be done by me with relative ease?
>> Something tells me the battery is well buried in the bowels of this great
>> radio!!
>>
>>
>>
>> This is my first posting here so hopefully no ones feathers are ruffled.
>>
>>
>>
>> Henry KK4HG
>>
>> 276-608-8750
>>
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