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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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samsung monitor 750s model dt17ls7l
I have no power with this monitor.... fuse good horizontal output
appears good with ohmmeter check... the power led does not even come on for standby... seems like a power supply problem but not sure .... Yes im lazy was wondering if anyone had any repair tips for this model before i get way in deep on this sucker. |
#2
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samsung monitor 750s model dt17ls7l
On Sat, 26 Nov 2005 21:50:01 GMT, fireater
wrote: I have no power with this monitor.... fuse good horizontal output appears good with ohmmeter check... the power led does not even come on for standby... seems like a power supply problem but not sure .... Yes im lazy was wondering if anyone had any repair tips for this model before i get way in deep on this sucker. Disassemble (tricky!) and clean contacts or replace (easier) the SW601. This few models of this period including yours had short-term bunch of iffy switches and solution was replace or clean it. Cheers, Wizard |
#3
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samsung monitor 750s model dt17ls7l
fireater wrote:
I have no power with this monitor.... fuse good horizontal output appears good with ohmmeter check... the power led does not even come on for standby... seems like a power supply problem but not sure .... Yes im lazy was wondering if anyone had any repair tips for this model before i get way in deep on this sucker. AHH HA!!!! it was not the switch ..... there is a 180k ohm resistor (well 2 in series) connected from b+ to the vcc of the driver IC for the transformer. One resistor went open. No burn marks on it at all. i think it was resistor 509 if i recall. |
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