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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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Question about static shock protection of audio/video inputs
Hi all,
I have a Philips TV/VCR combo that was recently damaged when I attempted to hook up a VCR to the RCA input jacks. A static spark on the video input damaged the IC that deals with the color component of the video signal. I managed to replace the IC, restoring color to the VCR portion of the TV (the off-air signal was not affected). This repair also restored the video input capability, which had been lost. Now for my question: What can I do to protect the audio/video inputs against static discharge? Would it be as simple as adding some component to the + inputs, such as a capacitor or a resistor or something? Any advice would be greatly appreciated. It was no fun replacing the 100-pin surface mounted IC and I hope to avoid having to do it again! Joe |
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