All public logs

Combined display of all available logs of Collins 30S-1 HF Amplifier. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 22:11, 29 June 2021 Gordonp talk contribs uploaded File:Screen boost installation.jpg (Gord - image showing installation of screen-voltage-boost transformer)
• 22:08, 29 June 2021 Gordonp talk contribs uploaded File:Screen boost cw.jpg (Gord - screen voltage boost in CW mode)
• 22:07, 29 June 2021 Gordonp talk contribs uploaded File:Screen boost ssb.jpg (Gord - screen voltage boost in SSB mode)
• 21:53, 29 June 2021 Gordonp talk contribs uploaded File:Screen supply check.jpg (Gord - checking 30S-1 screen supply voltage)
• 21:50, 29 June 2021 Gordonp talk contribs uploaded File:HV ssb.jpg (Gord - measuring High Voltage in SSB Mode)
• 21:48, 29 June 2021 Gordonp talk contribs uploaded File:HV cw.jpg (Gord - High Voltage in CW Mode)
• 21:43, 29 June 2021 Gordonp talk contribs uploaded File:Relay contact adjust.jpg (Gord - 30s-1 Relay-contact-adjustment tools)
• 21:37, 29 June 2021 Gordonp talk contribs uploaded File:Filament voltage.jpg (Gord - 30S-1 filament voltage at tube-socket, comparing built-in metering to bench-meter reading)
• 21:24, 29 June 2021 Gordonp talk contribs uploaded File:30s-1 dayton rpm.jpeg (Gord - 30S-1 Blower Speed (rpm) Measurement)
• 21:23, 29 June 2021 Gordonp talk contribs uploaded File:30s-1 blower tach reflector.jpeg (Gord - Reflective Tape Applied to Blower-Squirrel-Cage Perimeter for rpm-measuring)
• 21:09, 29 June 2021 Gordonp talk contribs uploaded File:Blower performance estimate.png (Gord - blower-performance estimate with faster Dayton motor)
• 21:06, 29 June 2021 Gordonp talk contribs uploaded File:Dayton motor installed.jpg (Gord - 30s-1 blower installed, with Dayton motor and series-resistor)
• 20:57, 29 June 2021 Gordonp talk contribs uploaded File:Preparing blower motor change.jpg (Gord - removed, disassembled 30S-1 blower and replacement Dayton 4M093E motor)
• 14:09, 19 February 2021 Gordonp talk contribs uploaded File:Airflow.mp4 (airflow thru the two 4CX1000As, and it is laminar.)
• 22:04, 11 November 2020 Gordonp talk contribs uploaded File:4cx1500b making power.jpg (Gord - 4CX1500B making 1kW output power)
• 22:02, 11 November 2020 Gordonp talk contribs uploaded File:4cx1500b installed.jpg (Gord - 4CS1500B now in socket!)
• 22:00, 11 November 2020 Gordonp talk contribs uploaded File:4cx1500b ready to install.jpg (Gord - 4CX1500B going into socket)
• 21:51, 11 November 2020 Gordonp talk contribs uploaded File:Dials frontpanel.jpg (Gord - image showing 30s-1 dials and front-panel reassembled)
• 21:48, 11 November 2020 Gordonp talk contribs uploaded File:Completed lower compartment.jpg (Gord - 30s-1 reassembled lower power-supply compartment)
• 21:47, 11 November 2020 Gordonp talk contribs uploaded File:Cleaned lower compartment.jpg (Gord - 30s-1 lower power-supply compartment after in-place cleaning)
• 21:45, 11 November 2020 Gordonp talk contribs uploaded File:HV blowout.jpg (Gord - image showing HV inrush-limited resistors and associated wiring)
• 20:37, 11 November 2020 Gordonp talk contribs uploaded File:Bias test 60v adjustable ssb.jpg (Gord - BIAS voltage adjustment on SSB)
• 20:34, 11 November 2020 Gordonp talk contribs uploaded File:Bias test 90v cw.jpg (Gord - BIAS supply voltage-test and check)
• 20:27, 11 November 2020 Gordonp talk contribs uploaded File:30s 1 r232 tubular ceramic replacement.jpg (Gord - replacement 10ohm / 20w replacement for r232)
• 20:25, 11 November 2020 Gordonp talk contribs uploaded File:Cooked broken r232.jpg (Gord - cooked and broken R232 (screen in-rush limit))
• 20:22, 11 November 2020 Gordonp talk contribs moved page Dealing with the Overheated and Cracked R232 to Fixing Damaged and Abused R218 without leaving a redirect
• 22:01, 13 August 2020 Gordonp talk contribs uploaded File:30S1 paper figures06062020.pdf (Gord - explanatory letter: why AC Primary wiring changes (A: cabinet hum))
• 20:38, 13 August 2020 Gordonp talk contribs uploaded File:UpratedC204.jpeg (Gord - increased rating for C204 due to raised Screen - mod to a mod)
• 18:06, 12 August 2020 Gordonp talk contribs uploaded File:230v jumper.jpg (Gord - AC-input jumper block, showing old (1964-ish) no common)
• 18:05, 12 August 2020 Gordonp talk contribs uploaded File:Repaired ac fuse wires.jpg (Gord - repaired primary AC fuse wiring)
• 18:03, 12 August 2020 Gordonp talk contribs uploaded File:Charred crispy ac wires.jpg (Gord - charred and crispy AC primary wires on fuse-panel)
• 17:58, 12 August 2020 Gordonp talk contribs uploaded File:1n4005 replacement cr216.jpg (Gord - replacement for CR216 (bias-voltage metering))
• 17:57, 12 August 2020 Gordonp talk contribs uploaded File:Dead cr216.jpg (Gord - original, non-functional top-hat CR216)
• 17:53, 12 August 2020 Gordonp talk contribs uploaded File:Bulb mod cable lacing.jpg (Gord - image showing dial-lamp mod, to illuminate after warm-up complete)
• 17:46, 12 August 2020 Gordonp talk contribs uploaded File:12v safety control working.jpg (Gord - 30s-1 final test showing all 12V Safety/Control working)
• 17:34, 12 August 2020 Gordonp talk contribs uploaded File:Improved dial lighting.jpg (Gord - 30s-1 improved dial lighting, with insulation and sleeving)
• 17:33, 12 August 2020 Gordonp talk contribs uploaded File:12v lamp short.jpg (Gord - 30s-1 meter-lamp short)
• 17:30, 12 August 2020 Gordonp talk contribs uploaded File:12v safety interlock test.jpg (Gord - testing 30s-1 12V safety interlock)
• 17:29, 12 August 2020 Gordonp talk contribs uploaded File:12v control test.jpg (Gord - Testing 12V control circuitry)
• 20:45, 23 July 2020 Gordonp talk contribs uploaded File:Screen HV resistor check.jpg (Gord - annoted schematic showing screen-supply resistance checks)
• 20:42, 23 July 2020 Gordonp talk contribs uploaded File:Screen c204 repaired.jpg (Gord - replacement C204 screen filter capacitor)
• 20:40, 23 July 2020 Gordonp talk contribs uploaded File:Screen c204 orig.jpg (Gord - original C204 screen-supply filter capacitor)
• 20:37, 23 July 2020 Gordonp talk contribs uploaded File:Repaired screen rect.jpg (Gord - new modular diode-bridge for screen supply)
• 20:34, 23 July 2020 Gordonp talk contribs uploaded File:Burned screen rect.jpg (Gord - screen supply board and blackened chassis beneath, as it came to me)
• 20:08, 6 July 2020 Gordonp talk contribs uploaded File:1n5711 tuneload pcb.jpeg (Gord - 1N5711 diodes installed on Tune/Load circuit-board)
• 20:06, 6 July 2020 Gordonp talk contribs uploaded File:Original tuneload pcb.jpeg (Original Tune/Load sensing circuit-board)
• 18:49, 14 June 2020 Gordonp talk contribs uploaded File:Air sense hose under boot.jpeg (Gord - Air-Pressure sensing tube simply stuck up between blower nozzle, and flexible coupling-boot)
• 17:46, 4 June 2020 Gordonp talk contribs uploaded File:Biasdiodes mounted fuseholder.jpg (Gord - bias diodes mounted on fuse-holder)
• 17:42, 4 June 2020 Gordonp talk contribs uploaded File:30s1 flanged so239 rfout rightangle.jpg (Gord - right-angle PL-259-to-SO-239 adapter out the back)
• 17:41, 4 June 2020 Gordonp talk contribs uploaded File:30s1 flanged so239 rfout exterior.jpg (Gord - flanged SO-239 features Teflon dielectric, silver-plating, and a gold-plated center-conductor)