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| Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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Thread Tools |
17th Aug 2022, 7:56 pm
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#1 |
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New Member
Join Date: Aug 2022
Location: Italy, Pontinia (LT)
Posts: 1
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HP 8640B rotary switch band and dev
Hi!
My HP 8640B don’t work fine. Only few band works fine. I have disassembled Peak Deviation and Range Switch Assembly to repair with glue the wiper contact. Now i have re-assembled all but there is a wrong assembly i think. The selector peak deviation don’t rotate full… There is a detailed procedure to re assembly all? Tnx Alberto |
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21st Aug 2022, 9:46 pm
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#2 |
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Nonode
Join Date: Dec 2012
Location: Stockport, Greater Manchester, UK.
Posts: 2,102
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Re: HP 8640B rotary switch band and dev
Alberto - You may find some helpful images in two old threads here:
HP8640B signal generator: range/FM tracking HP8640B: A9 assembly
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