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Replacing a BNC input connector on a SR780 FFT analyzer.

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Jean-Pierre Coulon

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Jan 4, 2017, 9:31:43 AM1/4/17
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The big top lid is easy to remove. Then also the front panel and the disk
drive. Then I find a small shielded box with 6 BNCs.

It has a lid with 4 screws, the leftmost beeing blocked by the chassis.

Is the the right procedure?

Regards,
--
Jean-Pierre Coulon

N_Cook

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Jan 4, 2017, 11:12:40 AM1/4/17
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So how much clearance , ratchet hex-bit wrench? cut-down hex-bit and
flat spanner ?

JC

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Jan 4, 2017, 12:36:31 PM1/4/17
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Service manual has dissassembly instructions and warnings.

www.thinksrs.com/downloads/PDFs/Manuals/SR780Servm.pdf

Jean-Pierre Coulon

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Jan 6, 2017, 8:38:24 AM1/6/17
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Finally I succeded after removing the 3 large boards and unscrewing the 6
screws at the bottom of the cavity. Aftewards there are screws at the borrom
of the analyzer and you can pull the mother board which has right-angle
soldered BNCs.

Bye,
--
Jean-Pierre Coulon

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