Re: A 2465 teaser...

Chuck Harris <cfharris@...>

That sort of failure would affect all channels equally.
This is only a problem with CH1 and CH2.

The panel works fully.

-Chuck Harris [TekScopes] wrote:

Have you checked the A6 board
Of the front panel
From experience I when i fix my 2465
Failure in one of the diodes can cause such a problem
You can also do a pot test

Exercise 1

And check that all buttons work correctly.

also check the continuity
from J652 on A6 to

( a sec dev /b sec dev)

col 0
col 1
col 2
col 3
col 4
( volts dev ch1 ch2 )

row 0
row 1
row 2
row 3
row 4

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