Re: IIGS monitor repair

[mjmahon@aol.com (Michael J. Mahon)]

>In article <20020103022926.06229.00003215@mb-mq.aol.com>, mjmahon@aol.com
>(Michael J. Mahon) wrote:
>
>> Slick wrote:
>> 
>> >My IIGS monitor is fritzing out. It works for about half an hour, then the
>> >screen goes blank, and the power light goes out. Pressing the power button
>> >has no effect. IF I leave it turned off for an hour (or sometimes more) It
>> >will turn on for a short time, then go out agin.
>> 
>> Before doing anything more radical, try replacing the fuse.  A fatigued
>> fuse can display this kind of symptom--for a while.  Then it just quits.
>> 
>> The behavior is clearly temperature-related, so spraying (selectively
>> with a narrow-nozzled tube) circuit cooler on various power-related parts
>> (since the power light itself goes out, it is almost certainly in the power
>> supply) _after_ it has cut out, to see what makes it work again when
>> cooled.  (Circuit cooler is a freon-like liquid which is a wonderful
>> insulator, so you don't need to worry about shocks or shorts--just
>> don't get things so cold that they condense a lot of water out of
>> the air.)
>> 
>> This procedure, BTW, is what a TV serviceman would do to localize
>> the intermittent open (as well as prodding with an insulated rod).
>> 
>> If you don't feel comfortable working on exposed electronics, don't
>> practice on monitors.  ;-)
>> 
>> -michael
>> 
>>  Email:  mjmahon@aol.com
>>  Home page:  http://members.aol.com/MJMahon/
>I hate to say it, but I've never done anything more complicated with the
>hardware of my computer than installing the PC transporter card. I'm not
>very good at hardware repair, and have no experience with
>televisions/monitors.

This is an issue, since working around high voltages and CRTs is best
learned with some expert guidance.

>How complicated is what you're describing? I've never opened the monitor
>up, and I'm afraid I may not be able to get it back together. That
>happened when I opened up my origional AppleDisk 3.5" disk drive after the
>eject mechanism went nuts (constantly trying to eject the disk, not to
>mention that when it first happened, it LAUNCHED the disk out of the dirve
>and hit my cat)

I'm sorry, but that image really made me laugh!  I'm sure it wasn't so
funny when it happened.  ;-)

(BTW, it sounds like the eject switch was stuck/shorted closed.)

>anyways, your comment about if you don't feel comfterable working on
>exposed electronics probably applies to me. I'm not a technition. I'm more
>into the software end of computers, unless you think somebody who doesn't
>know what their doing can do what you described.

In that case, I wouldn't recommend your working on the monitor.

Probably your best course of action is to get a replacement, which
as another poster noted, is available for the cost of shipping per
a recent CSA2.marketplace post.

If you have a friend who has some monitor/TV experience, perhaps
you could work out something to fix the one you have--perhaps as
a spare.

-michael

 Email:  mjmahon@aol.com
 Home page:  http://members.aol.com/MJMahon/