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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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Sony CPD-200SX need Q105 xref
We pulled what appears to be the H.O.T. from this monitor. It is only
labeled C5296 6L3. It reads 4 ohms B-E, 1 ohm B-C so it seems pretty well fried. (The HV was not starting causing the power supply to repeatedly click.) I found a FAQ for what looks to be a similar monitor on Anatek's site: --------------------- QUESTION NO. P12703-9: Gateway 2000 Crystalscan monitor Chassis YEO711-01. Power supply makes ticking noise but will not start. This symptom is usually due to an overload. There are many potential causes of this, in this chassis, such as shorted diodes (D311 through D315; D102, D103, D104, etc.); shorted Q105 or cracked solder on Q105; shorted Q103 or Q203; shorted C108, C104, or C105, to name some. ------------------- My findings: Q105 = HOT? Q103 is another transistor next to the suspected HOT Found D102-105 and D311... Anyone know if that is the same set? I know Gateway re-badged Sony monitors in the past. I mailed NEI for a crossref but if anyone here can help that would be great. Thanks! |
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