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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 VCR SLV-SE727
This brandnew VCR has a few problems: +12V, +5V and + 28V present
No display, no sound, no pic All fuctions acting weard, no reverse or rewind. In PB with tape running the RF ANT Prog shows on RF out and SCART. Power ON/OFF does not function, Eject does not function, except when mains powercord is cycled....but the Mainboard, Mechanics and Frontpanel still looks superb !! |
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Bram Stolk wrote: This brandnew VCR has a few problems: +12V, +5V and + 28V present No display, no sound, no pic All fuctions acting weard, no reverse or rewind. In PB with tape running the RF ANT Prog shows on RF out and SCART. Power ON/OFF does not function, Eject does not function, except when mains powercord is cycled....but the Mainboard, Mechanics and Frontpanel still looks superb !! assuming the mode switch is not defective, there could be a short or other problem somewhere in the control circuitry (like possibly a screw floating round? !)Multiple system problems lie this can be caused by the power supply, but here, that would not appear to be the case.... corrupted eeprom-.? check also front panel controls and components. -Ben |
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