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Vintage dave (talk | contribs) (schematic is in the manual; two S/N ranges) |
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Our thanks to Morris Odell, VK3DOC, who devised these modifications and has allowed us to share them with you here. | Our thanks to Morris Odell, VK3DOC, who devised these modifications and has allowed us to share them with you here. | ||
Refer to the S/N 100-6739 547 A Sweep Trigger circuit diagram in the manual. | |||
Step by Step Modification Instructions: | Step by Step Modification Instructions: | ||
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Morris points out that the B Sweep Trigger circuit is identical to the A Sweep Trigger. This modification should therefore be equally applicable for that circuit. | Morris points out that the B Sweep Trigger circuit is identical to the A Sweep Trigger. This modification should therefore be equally applicable for that circuit. | ||
Dave Wise believes that for S/N 6740-up, you would modify R236, R233, and R246. The goal is same node voltages with <4.7mA through the diode instead of <10mA. | |||
[[Category:Repair issues]] | [[Category:Repair issues]] |
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