Monitor question
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mewtwo723
April 14, 2007, 2:11pm Report to Moderator
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Here's the info I found on the label of my monitor, (I think this is the model number):
Zenith
G-A63ADG25
04RC0105-009

I also added osme pics of the monitor, I appreciate everyone's help!




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Grauwulf
April 15, 2007, 7:31pm Report to Moderator

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Okay, it's a K7000. You need to check the fuse at the front of the chassis and see if it's any good. If it's blown, you likely have a bad HOT or bad flyback transformer. You did plug it in with an isolation transformer, right?


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mewtwo723
April 21, 2007, 11:18am Report to Moderator
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Quoted from Grauwulf
Okay, it's a K7000. You need to check the fuse at the front of the chassis and see if it's any good. If it's blown, you likely have a bad HOT or bad flyback transformer. You did plug it in with an isolation transformer, right?


So I finally had time to look at my monitor again. I checked the fuse at the front and its blown. When I was first looking at the monitor I didnt have an isolation transformer in. I think that may have been when it blew. I now do have an isolation transformer in which yields about 120 VAC.

I'm tempted to replace the fuse and turn it on but I figured I'd see if there is any other advice as to what steps I should take next.

Thanks!
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Grauwulf
April 21, 2007, 2:09pm Report to Moderator

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If you plugged it in without the ISO transformer, you have blown at least one of the rectifier diodes, probably 2 of them. If you just throw another fuse in, you will just blow it again, and possibly do some trace damage if some hasn't already happened.

James


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mewtwo723
April 21, 2007, 2:17pm Report to Moderator
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Is it possible to fix it?
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sylvain
April 21, 2007, 4:46pm Report to Moderator

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Quoted from mewtwo723
Is it possible to fix it?


Yes, most electronics can be fixed, with the correct parts,
expert knowledge, the right tools, time and $
(sometimes patience too!).

A few people on this board fix and recap monitors expertly.

A blown fuse on a monitor usually never blows without a reason.
As Grauwulf indicated above, you probably have a shorted component
now (diode or bridge in power supply, or horizontal output transistor)
that took the fuse with it.

This job is not for newbies.
In addition, there are lethal voltages in monitors,
and even unplugged, a monitor can 'shock' surprizingly
hard if one is not careful or knowledgeable and ends-up
putting their fingers where they do not belong!


Cheers,
- Sylvain


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Cash or some trades available. Could also repair a machine of yours +/-$ if needed, in exchange for
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mewtwo723
April 23, 2007, 7:21am Report to Moderator
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Ok, thanks for the info. I thought the isolation transformer was just for the player's safety and shouldnt damage the monitor? guess is was wrong...

Is there anyone in the Ottawa area who would be able to help me out and look at the monitor?

Thanks.
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sylvain
April 23, 2007, 9:42pm Report to Moderator

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Quoted from mewtwo723

Is there anyone in the Ottawa area who would be able to help me out and look at the monitor?
Thanks.


I might be able to help in a couple of weeks, if no one else contacts you in the mean time.
Feel free to send me a PM.

Cheers,
- Sylvain.


Looking for 1966 Bally Capersville, 1967 Bally The Wiggler, 1981 Stern Viper, 1986 Pinstar Gamatron,
1986 Williams Grand Lizard, 1991 Williams Bride of Pinbot, and a few others.
Cash or some trades available. Could also repair a machine of yours +/-$ if needed, in exchange for
one machine on my want list, non-working/unshopped welcome!
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