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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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#1
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series lamp
ive replaced some parts in a 48cm tv SMPS.
(see previous posting for list) i read the sci.Troubleshooting and Repair of SMPS and im still not sure if testing with a lamp across the main fuse holder(fuse removed) is a good idea before i put the fuse in and see what happens? is there a better way to test the circuit or should i put the fuse in and flick the switch? if the lamp idea is good then what size bulb should i use? 240v 60w, 100w? |
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#2
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"BigTom" wrote in message ... ive replaced some parts in a 48cm tv SMPS. (see previous posting for list) i read the sci.Troubleshooting and Repair of SMPS and im still not sure if testing with a lamp across the main fuse holder(fuse removed) is a good idea before i put the fuse in and see what happens? is there a better way to test the circuit or should i put the fuse in and flick the switch? if the lamp idea is good then what size bulb should i use? 240v 60w, 100w? Yes that's a very good idea, I would probably try the 100w bulb, 60w may not pass enough current to start the set. |
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#3
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I tried it with the 100w bulb and i got sound, then slowly the picture
started coming on. It seemed fine so i put the fuse in and crossed my fingers. Been running it for an hour now and still no big bang. thanks again James. James Sweet wrote: "BigTom" wrote in message ... ive replaced some parts in a 48cm tv SMPS. (see previous posting for list) i read the sci.Troubleshooting and Repair of SMPS and im still not sure if testing with a lamp across the main fuse holder(fuse removed) is a good idea before i put the fuse in and see what happens? is there a better way to test the circuit or should i put the fuse in and flick the switch? if the lamp idea is good then what size bulb should i use? 240v 60w, 100w? Yes that's a very good idea, I would probably try the 100w bulb, 60w may not pass enough current to start the set. |
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