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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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54520A repair
Hello all,
I recently purchased a broken 54520A hoping to be able to repair it. The seller said that the screen was faulty. However, after the oscilloscope arrived, I saw very soon that the problem was not the screen but something else. When the oscilloscope boots, the fan turns on and all the indicators on the front pannel light-on. But it hangs there. No keyboard response and nothing displayed on the screen. However, the screen is working, as when I turn off the device, sometimes I can see the beam on the display and some noise. The indicators keep lighted on until you turn the oscilloscope off again. Could anybody help me? Its a great oscilloscope, but it just does not work :-( Juan |
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