Doug -
The bulbs are connected, in parallel, directly across one-half of the
power transformer secondary. So the most likely problem is a bad ground
on the bulb connections. You can verify by measuring the 'ground' side
of one of the sockets. They should all read '0' ohms power off, and '0'
volts with power on. Or you can just find the ground connection for the
bulbs, and if it's a ground lug or other connection that is bolted to
the chassis, just slightly loosen and retighten the bolt.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-B, C-Line&
TR-4/C Service Supplement CDs
<www.k4oah.com>
[email protected] wrote:
Hello to the group. My FS-4 Synthesizer dials lights are
intermittent. They all work for awhile, then all go out at the same
time, then come back ON all at the same time. I have checked the wires
and solder joints for condition. No problems found. The synthesizer
works normally even with this problem. Thanks for your
consideration. Doug
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