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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Viewsonic P815 power supply problem
This monitor got water in it (accident at a friends with their washing
machine upstairs - don't ask!) It's a beautiful professional monitor (21") and I'd love to fix it... On inspection it doesn't look like much got in ; there's no real sign of blown components, and not a lot of obvious water marking. On powerup, I can hear a high-pitched chirping, as though it's trying to initialize the power supply and not quite making it, then trying over ... I've tried powering up the main supply board all by itself (with jsut the front bezel switch connected - duh!) and it's the same symptom, so the fault is on the main board. Firstly I was wondering if anybody had any ideas on things I could try ; Secondly I was wondering how I would go about getting the service manual / circuit diagrams for this monitor. thanks, Michael Tomlinson Australia |
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Viewsonic P815 power supply problem
On Fri, 5 Dec 2003 22:10:33 +1100, "Michael Tomlinson"
wrote: This monitor got water in it (accident at a friends with their washing machine upstairs - don't ask!) It's a beautiful professional monitor (21") and I'd love to fix it... On inspection it doesn't look like much got in ; there's no real sign of blown components, and not a lot of obvious water marking. On powerup, I can hear a high-pitched chirping, as though it's trying to initialize the power supply and not quite making it, then trying over ... I've tried powering up the main supply board all by itself (with jsut the front bezel switch connected - duh!) and it's the same symptom, so the fault is on the main board. Firstly I was wondering if anybody had any ideas on things I could try ; Secondly I was wondering how I would go about getting the service manual / circuit diagrams for this monitor. thanks, Michael Tomlinson Australia One variant of the P815 can be downloaded here.... http://altmaster.ru/servman/monitviewsonic.shtm Wayne |
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