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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 KV-29CL10E Over Current Protection
Hi
I have a SONY KV-29CL10E TV that suddenly died. The led flashes two times (OCP) and I've tried to search for fault compenents. The OCP does not occur when I disconnect the +B rail I've tried to disconnect diffrent stuff on the +B rail to find out where the problem is, but the HV-coil is depending on everything connected to the +B rail, so I havn't had much luck. I havn't dared to tie OCP-line to ground (disable it) yet, but I've read some stuff about the supply IC, MCZ3001D, and I'm beginning to suspect that it's the bad guy in this TV. I've checked all major transistors and diodes, tried to check all the caps linked to these parts and all components are ok. Anyone who's had the same problem and can help me? If someone have a block diagram of the MCZ3001D or datash--- I would appreciate it. Thanks in advance |
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