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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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KDS XF-7e monitor
I have a monitor with a burned resistor, R509. Anyone have a schematic
of this model that can tell me the value of the resistor? Anyone know a web site that has a schematic for this model? Thanks. Bob |
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#2
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KDS XF-7e monitor
Bob wrote: I have a monitor with a burned resistor, R509. Anyone have a schematic of this model that can tell me the value of the resistor? Anyone know a web site that has a schematic for this model? Thanks. Bob Where does one get schematics for monitors nowadays? Is there anything similar to the old Sams Photofacts? |
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#3
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KDS XF-7e monitor
I've gotten lucky here befo
http://eserviceinfo.com/index.php?what=search2 [I didn't see your model listed.] -- Remove -NOSPAM- to contact me. |
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#4
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KDS XF-7e monitor
Bob wrote:
Bob wrote: I have a monitor with a burned resistor, R509. Anyone have a schematic of this model that can tell me the value of the resistor? Anyone know a web site that has a schematic for this model? Thanks. Bob Where does one get schematics for monitors nowadays? Is there anything similar to the old Sams Photofacts? Bob, That resistor is 22 ohms at 1 watt. It is in series with C503 (0.047/400) and they are in parallel with the transformer nearby. I think it is used as a snubber circuit. Hope this helps. Pete |
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#5
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KDS XF-7e monitor
OldElecTech wrote: Bob wrote: Bob wrote: I have a monitor with a burned resistor, R509. Anyone have a schematic of this model that can tell me the value of the resistor? Anyone know a web site that has a schematic for this model? Thanks. Bob Where does one get schematics for monitors nowadays? Is there anything similar to the old Sams Photofacts? Bob, That resistor is 22 ohms at 1 watt. It is in series with C503 (0.047/400) and they are in parallel with the transformer nearby. I think it is used as a snubber circuit. Hope this helps. Pete Thats it! Thanks a bunch - thought I'd have to trash it because of ..25c resistor. You da man! Bob |
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#6
Posted to sci.electronics.repair
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KDS XF-7e monitor
OldElecTech wrote: Bob wrote: Bob wrote: I have a monitor with a burned resistor, R509. Anyone have a schematic of this model that can tell me the value of the resistor? Anyone know a web site that has a schematic for this model? Thanks. Bob Where does one get schematics for monitors nowadays? Is there anything similar to the old Sams Photofacts? Bob, That resistor is 22 ohms at 1 watt. It is in series with C503 (0.047/400) and they are in parallel with the transformer nearby. I think it is used as a snubber circuit. Hope this helps. Pete Pete, I noticed you had a post about this same circuit in another monitor. Appears that the resistor shorted to the cap through the coatings. I replaced both, paralleling two 47ohm 1w resistors, giving me a 2w combo. So far it's working & not heating up. Thanks for the help. Bob |
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