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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 KV27XBR51, ANU1A chassis, won't regulate, T651?
Voltage goes high and shuts down, won't regulate. All of the voltages look
good at the IC, feedback seems to be tracking the output, opto working. This power supply has had every part in the secondary and primary either checked or changed. Assumed that the transformer was OK because I almost never see a bad switching transformer in these, but pulled it and found only 2 rings on pins 2-3. The other windings all ring good. 1-449-607-11 is listed as NLA from Sony. Anyone have a poser supply (F board) or transformer from one in their boneyard? Leonard -------------------------------------------------------------------------------- I am using the free version of SPAMfighter for private users. It has removed 36787 spam emails to date. Paying users do not have this message in their emails. Try SPAMfighter for free now! |
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