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Author Topic: laser diode replacemant  (Read 6372 times)

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Offline tiger lil

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laser diode replacemant
« on: June 03, 2010, 01:06:42 PM »
we have a screen 8100  plate rite, thermal plate recorder  has anyone changed a laser diode in unit  without service man? If so what problems might we have.

Offline G_Town

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Re: laser diode replacemant
« Reply #1 on: June 03, 2010, 01:40:30 PM »

we have a screen 8100  plate rite, thermal plate recorder  has anyone changed a laser diode in unit  without service man? If so what problems might we have.


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Offline Stiv

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Re: laser diode replacemant
« Reply #2 on: June 03, 2010, 01:42:36 PM »
Yeah, there's no way I'm going to do that . No way Jose.

Offline tiger lil

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Re: laser diode replacemant
« Reply #3 on: June 03, 2010, 01:47:58 PM »
I'm not going to do it myself, my boss wants to do it, he had replaced diode on film setter years ago and thinks he can fix this one. Screen used to send you the pages of service manual but now they won't do that, must need the money!!  If anyone knows where i can get a service manual that would do the trick.

Offline Ear

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Re: laser diode replacemant
« Reply #4 on: June 03, 2010, 01:52:05 PM »
I have an PT-R 8000. I have not changed the diode myself but have sat in on many a diode change, over the shoulder of the tech. There are a LOT of things I have done myself on that machine... changing a diode isn't one of them. First, you need a terminator plug to short the diode bank out so you don't fry them. Once you have one of these, the operation looks easy enough but I have seen the techs ruin a diode or two, at their own expense. It is a delicate process... if you do it yourself and mess something up, it's a minimum of the cost of the diode ($1200 range)... assuming you don't short out a board or bump the optics, then you're really in trouble. Is it possible, yes, is it worth the risk... IMO, no.
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Offline G_Town

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Re: laser diode replacemant
« Reply #5 on: June 03, 2010, 01:58:20 PM »

I'm not going to do it myself, my boss wants to do it, he had replaced diode on film setter years ago and thinks he can fix this one. Screen used to send you the pages of service manual but now they won't do that, must need the money!!  If anyone knows where i can get a service manual that would do the trick.


Did he actually replace the diode or was it just the laser unit?

Offline tiger lil

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Re: laser diode replacemant
« Reply #6 on: June 03, 2010, 02:05:42 PM »
yes, it was a laser diode, he did it a few times.
Thanks for the advice I gave boss the info and now he thinks he will call for service.
Thanks all!!!

Offline Stiv

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Re: laser diode replacemant
« Reply #7 on: June 03, 2010, 02:06:36 PM »
I change my mind - let 'em at it. Video it for YouTube.

Offline David

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Re: laser diode replacemant
« Reply #8 on: June 03, 2010, 02:20:42 PM »
even better...

hope there's sparks and everything, maybe even an explosion... or at least a loud pop.

it'll be the next viral video
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Offline frailer

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Re: laser diode replacemant
« Reply #9 on: June 03, 2010, 04:33:33 PM »
Well, it'd be a huge hit here, at least....     :laugh:  In fact it could go permanent, Home Page, looped!
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