[Heathkit] SB-610 CRT Jumps

Revcom revcom at wbsnet.org
Wed Jul 16 11:30:21 EDT 2008


Sounds like you have a -noisy- pot or poor ground connection somewhere.

Rod
K0EQH

----- Original Message -----
From: "Carl Lowry" <k4zrd at yahoo.com>
To: <heathkit at mailman.qth.net>
Sent: Tuesday, July 15, 2008 7:49 PM
Subject: [Heathkit] SB-610 CRT Jumps


Working on an old SB610 scope. Have replaced all components .. resistors,
caps. Diodes are FB. Transformer voltages are also FB & what they should be.
Checked all tubes & CRT & they are also good. But the trace line on the CRT
jumps around - up & down. Suggestions please where to look next. Thanks 73s
Carl, k4zrd






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