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studer: A78; Revox

Martin Renz Ernst Erb Vincent de Franco Martin Bösch Mark Hippenstiel Bernhard Nagel Dietmar Rudolph Otmar Jung Heribert Jung Eilert Menke 
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Forum » Radios and other type of sets (Physics) etc. » MODELS DISPLAYED » studer: A78; Revox
Ton Epskamp
NL  Articles: 1
Schem.: 0
Pict.: 0
16.Apr.12 21:51

Count of Thanks: 7
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A. Epskamp

Offenbachlaan 42.

2102 ZM.





I have to replace the power switch on my Revox A78 amplifier (007755). I bought everything in about 1971 or 1972. I am using my Revox amplifier-tuner-taperecorder combination without any wooden covers. I started trying to remove the buttons and dials from the front panel. I only managed to pull one button two clicks off and didn't dare to continue. So I should immediately admit not to be an electronic technician! The problem should off course be solvable: I might be able to replace this power switch and otherwise I could shortcut the switch and attach a new power switch in the power cable. The first option has so far my my preference! I do have the normal documentation with my Revox A76-A77-A78 combination but I only have a complete service manual for the A77 and not for my A78 or A76. Could somebody help me to solve this demounting problem? I am already very grateful for the patience in reading my cry for help! If necessary I could even try to write in German.

 Ton Epskamp.


Michael Watterson
IRL  Articles: 979
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17.Apr.12 00:23

Count of Thanks: 7
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It looks like the power switch is mounted on a sub panel and can be unbolted with a little spanner or pliers. The button likely can be pushed off from behind. No need to take off front panel. Possibly