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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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Sharp model LC26DV20U totally dead
I need your help once again group. This is my first LCD TV to fool
with, but I suspect troubleshooting the power supply is the same. The set has no standby power, totally dead. I did some initial checking in the supply, but found nothing wrong. Have good B+ on the switching regulator, but even trying to trace the PCB, I can't figure out where the standby power is derived. I have checked almost every component on the PSB and found nothing bad. So, without a schematic, I was hoping someone here has dealt with this type issue on same model or similiar. It's a friends TV and only 6 months old, but he asked me to look at it before doing the warranty thing - story that I didn't want to get details on since it was going to cost him money ($225) to ship for repair. Thanks to all that reply, and yes, if it was my TV, I wouldn't be paying jack, but as I said, I would rather just help him with repairing it. Thanks again group. |
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Sharp model LC26DV20U totally dead
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