Thanks for allowing on the forum - EH Scott Radio Enthusiasts2024-03-28T21:24:21Zhttps://ehscott.ning.com/forum/topics/thanks-for-allowing-on-the-forum?commentId=3925821%3AComment%3A71301&xg_source=activity&feed=yes&xn_auth=noAfter figuring I was in furth…tag:ehscott.ning.com,2019-05-15:3925821:Comment:713012019-05-15T01:40:17.849ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p>After figuring I was in further than I own test equipment to find, a friend took over. After tracing back through the antenna circuit he discovered the antenna binding post insulator was broken and the post was grounded to the chassis. That will certainly effect reception. He then went through the rest of the radio finding bad solder joints and s few odd modifications he straightened out. 2 gassy tubes replaced, a bunch of capacitors, one dogbone resistor, a bit of alignment and the set…</p>
<p>After figuring I was in further than I own test equipment to find, a friend took over. After tracing back through the antenna circuit he discovered the antenna binding post insulator was broken and the post was grounded to the chassis. That will certainly effect reception. He then went through the rest of the radio finding bad solder joints and s few odd modifications he straightened out. 2 gassy tubes replaced, a bunch of capacitors, one dogbone resistor, a bit of alignment and the set plays great. Put it on an isolation transformer with a bucking circuit to keep the voltage down to something it likes. Have been listening to it all afternoon with music broadcast from my transmitter. Very pleased. Thanks for the help and comments! </p> As an update, thanks to the r…tag:ehscott.ning.com,2019-04-03:3925821:Comment:710662019-04-03T03:15:22.011ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p>As an update, thanks to the reminder from Norman I removed the dial lamps and retested everything. The umbilical tests fine so after checking the tubes in my tester, taking more resistance readings in various circuits I connected every back up in the work bench and brought power up with my variac. It awoke but I could only find one very local station and very little gain. Troubleshooting I removed the cover from the 1st detector. I found with my finger a 1/2 inch from the tube I had…</p>
<p>As an update, thanks to the reminder from Norman I removed the dial lamps and retested everything. The umbilical tests fine so after checking the tubes in my tester, taking more resistance readings in various circuits I connected every back up in the work bench and brought power up with my variac. It awoke but I could only find one very local station and very little gain. Troubleshooting I removed the cover from the 1st detector. I found with my finger a 1/2 inch from the tube I had amazing gain. Now looking at the antenna coil and path from the antenna to see what is not right. </p> I'm pretty sure Ronald remove…tag:ehscott.ning.com,2019-03-30:3925821:Comment:708702019-03-30T15:05:55.349ZNorman S Braithwaitehttps://ehscott.ning.com/profile/NormanSBraithwaite
<p>I'm pretty sure Ronald removed the set plug from the power amplifier before conducting the test. I predict that he will be retesting after removing the dial lights however.</p>
<p>Norman </p>
<p>I'm pretty sure Ronald removed the set plug from the power amplifier before conducting the test. I predict that he will be retesting after removing the dial lights however.</p>
<p>Norman </p> You are reading the resistan…tag:ehscott.ning.com,2019-03-30:3925821:Comment:709682019-03-30T02:21:07.269ZDavid C. Polandhttps://ehscott.ning.com/profile/DavidCPoland
<p> You are reading the resistance of the filament winding of the power transformer. </p>
<p> You are reading the resistance of the filament winding of the power transformer. </p> It looks like there may be an…tag:ehscott.ning.com,2019-03-30:3925821:Comment:709672019-03-30T00:11:42.075ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p>It looks like there may be an intermittent short between pins 1 and 2 of the 8 conductor cable, the filament wires. I removed all the tubes from the receiver chassis and still read a lower resistance between these two pins which I could change by moving the wire. </p>
<p>What have others used to replace this cable since the cloth covered one has been out-of-stock forever? </p>
<p></p>
<p>Thanks!</p>
<p>It looks like there may be an intermittent short between pins 1 and 2 of the 8 conductor cable, the filament wires. I removed all the tubes from the receiver chassis and still read a lower resistance between these two pins which I could change by moving the wire. </p>
<p>What have others used to replace this cable since the cloth covered one has been out-of-stock forever? </p>
<p></p>
<p>Thanks!</p> I have a spare dual dial beze…tag:ehscott.ning.com,2019-03-29:3925821:Comment:711712019-03-29T20:15:56.279ZY2K Brucehttps://ehscott.ning.com/profile/Bruce
<p>I have a spare dual dial bezel and 5 original knobs I got off ebay a while back if you need them for your now great looking set if interested.</p>
<p>I have a spare dual dial bezel and 5 original knobs I got off ebay a while back if you need them for your now great looking set if interested.</p> tag:ehscott.ning.com,2019-03-29:3925821:Comment:711702019-03-29T04:54:15.706ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p><a href="https://storage.ning.com/topology/rest/1.0/file/get/1712829253?profile=original" target="_blank" rel="noopener"><img src="https://storage.ning.com/topology/rest/1.0/file/get/1712829253?profile=RESIZE_710x" class="align-full"/></a></p>
<p><a href="https://storage.ning.com/topology/rest/1.0/file/get/1712829253?profile=original" target="_blank" rel="noopener"><img src="https://storage.ning.com/topology/rest/1.0/file/get/1712829253?profile=RESIZE_710x" class="align-full"/></a></p> I have the dial stringing rep…tag:ehscott.ning.com,2019-03-29:3925821:Comment:710652019-03-29T04:51:25.972ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p>I have the dial stringing repaired, a few other things taken care of and 8 hours or so of polishing and it looks good. Of course it no longer plays but I figure that is just par for the course. …<a href="https://storage.ning.com/topology/rest/1.0/file/get/1712811258?profile=original" rel="noopener" target="_blank"><img class="align-full" src="https://storage.ning.com/topology/rest/1.0/file/get/1712811258?profile=RESIZE_710x"></img></a> <a href="https://storage.ning.com/topology/rest/1.0/file/get/1712814083?profile=original" rel="noopener" target="_blank"><img class="align-full" src="https://storage.ning.com/topology/rest/1.0/file/get/1712814083?profile=RESIZE_710x"></img></a></p>
<p>I have the dial stringing repaired, a few other things taken care of and 8 hours or so of polishing and it looks good. Of course it no longer plays but I figure that is just par for the course. <a href="https://storage.ning.com/topology/rest/1.0/file/get/1712811258?profile=original" target="_blank" rel="noopener"><img src="https://storage.ning.com/topology/rest/1.0/file/get/1712811258?profile=RESIZE_710x" class="align-full"/></a><a href="https://storage.ning.com/topology/rest/1.0/file/get/1712814083?profile=original" target="_blank" rel="noopener"><img src="https://storage.ning.com/topology/rest/1.0/file/get/1712814083?profile=RESIZE_710x" class="align-full"/></a></p> A nice example. The Scott 2-D…tag:ehscott.ning.com,2019-03-25:3925821:Comment:707712019-03-25T03:07:30.008ZDavid C. Polandhttps://ehscott.ning.com/profile/DavidCPoland
<p>A nice example. The Scott 2-Dial circa 1931 into early 1932.is the first of the Scott chrome plated radios.</p>
<p>Reception starting 90 or 95 volts AC is about right.</p>
<p>Actually, the tube shields and coil covers are polished aluminum and will polish up like chrome plate with Mothers Mag Polish (from your local motor cycle shop and many auto supplies departments of other stores). Wear disposable gloves to avoid blackened finger).</p>
<p>Subsequent Scott models, tube shields and coil…</p>
<p>A nice example. The Scott 2-Dial circa 1931 into early 1932.is the first of the Scott chrome plated radios.</p>
<p>Reception starting 90 or 95 volts AC is about right.</p>
<p>Actually, the tube shields and coil covers are polished aluminum and will polish up like chrome plate with Mothers Mag Polish (from your local motor cycle shop and many auto supplies departments of other stores). Wear disposable gloves to avoid blackened finger).</p>
<p>Subsequent Scott models, tube shields and coil covers are chrome plated, too, except some of the model Sixteen receivers of 1937-8 have aluminum tube covers of another style. </p> It lives!!
After checking th…tag:ehscott.ning.com,2019-03-24:3925821:Comment:705722019-03-24T04:05:24.747ZRonald Babbhttps://ehscott.ning.com/profile/RonaldBabb
<p>It lives!!</p>
<p></p>
<p>After checking the chassis out and ascertaining that it had indeed had new capacitors installed and they are of high quality we slowly brought up voltsge using a variac. At 50 volts there was a small light show in the 80 power tube so after dropping back to zero and checking the tube, a good one was installed and the processes restarted. Around 90 volts we had sound and with a bit of tuning listened to a local station for a while. We installed Sonny’s…</p>
<p>It lives!!</p>
<p></p>
<p>After checking the chassis out and ascertaining that it had indeed had new capacitors installed and they are of high quality we slowly brought up voltsge using a variac. At 50 volts there was a small light show in the 80 power tube so after dropping back to zero and checking the tube, a good one was installed and the processes restarted. Around 90 volts we had sound and with a bit of tuning listened to a local station for a while. We installed Sonny’s replacement dial strips and found the tensioner for the left dial cord was broken. Fashioned a new one, installed it and now it tunes correctly. Spent a few hours polishing the power supply/amplifier and next to spend a much longer time polishing the main chassis. I am very happy to finally have a nice, working Scott radio. It has taken the place of honor (and use) in the living room. Thanks for all the help and suggestions. </p>