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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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Chinese monitor...
Hi, I'm searching for a TECO TE551 monitor schematic... the board is marked
"Chung Sheng" and the CRT is "Chunghwa"... on internet I found only similar schematics that didn't help in the reparation. When the monitor is connected to pc and to a plug the monitor goes in protection mode (tick, tick, tick) but reset the pc leaving it connected results in 2 seconds of HT present and filiment on... when HT goes away filiment rests on... the HOT is a 2SC5148 and it isn't shorted but read open... i' ve found some mosfets (IRF630) that read open... there is a B+ regulator circuit based on a KA3428 and a IRFS630 (on the secondary side)... -- Inty - Nessuna regola nei NG ! |
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