Emanuele Girlando blog
Electronics repair & tweaking
Sunday, February 26, 2023
Hard Disk catastrophic failure
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Have you ever seen inside an hard disk that suffered a very strong catastrophic failure? I don't: I've never seen something like thi...
Monday, February 20, 2023
Telefunken Italia - model "Mignonette MF" - 1a Serie
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Telefunken Italia - model " Mignonette MF " - 1a Serie JAN 2023 - restoration notes. I don't want to bore you with informatio...
Friday, January 14, 2022
Adventest R3361B Spectrum Analyzer vertical instability fix (failed joint between input LPF and coupler)
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After full recapping of the PSU and CRT modules of my R3361B the instrument began showing a pronounced vertical instability: looking at the ...
Sunday, December 19, 2021
Advantest R3361B Spectrum Analyzer CRT module removal and recapping.
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DISCLAIMER : the following instructions are provided only as a report of my hobby experience. In NO way they can be interpreted as a rep...
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Thursday, December 16, 2021
Advantest R3361B Spectrum Analyzer shows two side bands 10KHz apart from 0Hz (aka: PSU recapping)
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I was having fun performing some modulation measurements on my sig-gen (HP8640B) by using my R3361B as a modulation analyzer ...when started...
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