Isolation Transformers, Variacs and Current Limiters - Which comes first? DVR Productions 2021-02-20 | When setting up a well equipped electronics lab or test bench, there is a proper sequence in which these items should be connected. They are: Isolation Transformer - Variac - Dim Bulb Current Limiter. This video explores the reasons for this sequence. Disclaimer: If you are uncomfortable working around high voltages, please seek the help of a professional, licensed electrician or electronics technician. There is nothing to be fearful about working with these devices but a healthy respect for the effects of electrical current on the human body is always advised.
Its Alive! Pt 4 of the Its Dead Jim series On How To Troubleshoot An All American 5/6 Radio DVR Productions 2025-07-15 | This is Pt. 4 of a series on how to troubleshoot an All American 5 or 6. vintage radio. As the set is now working, I will show you how to align the IF, oscillator and RF sections of this radio. With a few snags and work-arounds along the way.
Its Dead Jim! (Again) Pt.3 | How To Troubleshoot a dead radio. Yes, It died again! DVR Productions 2025-07-03 | In Pt. 3 of this series, the old radio suddenly died again after being on for about 10 min. Here's how to troubleshoot an All American 5/6 radio that suddenly lost 90% of i's volume and has also become VERY distorted.
How To Troubleshoot a Dead All American 5/6 Table Radio; Pt 2 | Quick Testing Those Filter Caps. DVR Productions 2025-06-24 | It’s Dead, Jim – Well not quite. The radio is now working but has a terrible hum/buzz. Here is a quick way to determine if it's a faulty filter capacitor or something more sinister.
How To Troubleshoot a Dead All American 5/6 Table Radio DVR Productions 2025-04-09 | "It’s Dead, Jim" – Whether you’re quoting Star Trek or staring into the cold, silent chassis of a vintage tube radio, the result’s the same: no lights, no sound, no signs of intelligent life. But before you break out the tri-corder, take heart! When one of these beautiful old All-American 5/6 radios lands on your bench playing dead, you don’t need a NASA-grade lab to bring it back. Just a basic tool like a Volt-Ohm-Meter (VOM).
Westinghouse H 157 | troubleshoot/repair/restore of this 1949 table radio DVR Productions 2024-04-20 | Troubleshoot the loud hum, repair, electronic restore & alignment of this vintage Westinghouse H-157 vacuum tube table radio using basic if not any test equipment for the alignment procedure.VIDEO CHAPTERS0:00 Intro1:13 Initial Inspection9:12 Tube Testing12:43 Replacing the tubes & filter caps17:55 Cabinet inspection & partial restore21:37 Alignment of the oscillator & dial calibration35:40 IF Alignment43:43 Alignment procedure using NO equipment44:37 Final check & closing46:43 End Tag
TESMEN TM-510 For Beginner or Professional Use? | My In-Depth Review of this smart multimeter DVR Productions 2023-11-27 | Can this Chinese built auto-ranging multimeter meet the needs of a professional electronics tech or is for the beginner or handyman electrician? Check out my in-depth review of the Tesmen TM-510 smart multimeter.TESMEN website: tesmen.com Get it here on Amazon: amazon.com/TESMEN-Multimeter-Measurement-Auto-Ranging-Non-Contact/dp/B0BLZ7GN2X/ref=sr_1_1_sspa?crid=2BXJNG0XWRSSL&keywords=tesmen+tm-510+digital+multimeter&qid=1700840418&sprefix=tesmen%2Caps%2C127&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1Use this coupon code to get a price break when ordering: XC7BSGZP
TESMEN TN-213 Worth 12 Bucks? | My In-Depth Review of this NCT Voltage Tester DVR Productions 2023-11-20 | Junk or Jewell? I've done an in-depth review of this incredibly inexpensive non-contact voltage tester by Tesmen. The results will surprise you as it did me!TESMEN website: tesmen.com Get it here on Amazon: amazon.com/dp/B0CCNZV3MT?maas=maas_adg_C1741DEF2A623C03B63DB4C08C80E893_afap_abs&ref_=aa_maas&tag=maasUse this discount code for a price break: MLZJC9YX
Labeling & Lettering Your Electronic Projects DVR Productions 2023-10-22 | Several methods on how to apply professional looking labels & lettering onto your electronic projects. Plus, the pro's & con's of all these methods.Link to Uncle Doug's channel to scratch build your own guitar amp.: youtu.be/R4hlopZvRD0Link to Water-Slide Decal Paper: amazon.com/Waterslide-Transfer-Sheets-Printable-Printer/dp/B07Y4QJK3W/ref=sr_1_3_sspa?crid=2KSEMIQ8EAD4J&keywords=water%2Bslide%2Bdecal%2Bpaper%2Blaser%2Bprinter&qid=1697931228&sprefix=water%2Bslide%2Bdecal%2Bpaper%2Blaser%2Caps%2C122&sr=8-3-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1VIDEO CHAPTERS0:00 Intro0:56 Past projects I've lettered3:22 Embossing Tape4:13 Dymo Lettering5:04 Decals5:43 Dry Transfer (Rub-on) Lettering6:54 Decal Method11:30 My 1st. guitar amp project12:30 Pitfalls of using Dry-Transfer Lettering13:26 Triplett Tube Tester Lettering16:03 Removal of old lettering18:56 The Packing Tape Method 27:28 Water-Slide Decal Method29:21 End Tag
Build a Battery ESR Tester DVR Productions 2023-09-18 | With the proliferation of small, rechargeable batteries. Here is a super easy project to augment your test bench that will help you determine the state and life of any small rechargeable battery from AAA on up to 9 volt including the 18650 & 14500 series batteries.VIDEO CHAPTERS0:00 Intro0:18 Finished Project On The Bench1:23 How To Use It6:00 Schematic7:42 What's Inside9:32 DIY Meter Scale13:15 Opening The Meter17:55 Subscribe17:58 End TagLinks:ESR Calculator: translatorscafe.com/unit-converter/en-US/calculator/batt-internal-resistance/#how-to-measureFree "Meter Basic" download:http://tonnesoftware.com/meterbasicdownload.html
I got busted for breaking Ohms Law! DVR Productions 2023-08-11 | Have a hard time remembering Ohm's Law? Here is a little trick on how to remember the important formulas and never have to reach for the internet again!
IBM 1749231 VOM (Simpson 160) Repair & Calibration DVR Productions 2023-05-11 | How to repair a broken meter face and calibrate a 45 year old IBM model 1749231 (Simpson 160) volt-ohm-meter.
Simpson 303 Restore (FAIL) DVR Productions 2023-04-08 | A Simpson 303 VTVM barn-find came into the Warehouse last fall but the restore process turned into my first FAIL video due to heavy battery leakage corrosion.If anyone needs a meter movement or transformer for this model, leave me a comment.
RCA WR 50B Signal/Sweep Generator Power Up & Calibration DVR Productions 2023-03-19 | Partial restore and power-up of a vintage 1975 RCA signal/sweep generator using a minimal approach to calibration.I fixed the audio in this copy of the original so it's more pleasant to listen to.
Panasonic Tape Recorder Repair & Other Tips DVR Productions 2022-09-17 | Repairing a Panasonic tape recorder with a "Motorboating Sound" plus additional general repair tips and a short rant on alkaline batteries.
DIY Solid State Junction Curve Tracer DVR Productions 2022-06-16 | A DIY project on how to build and use a solid state junction curve tracer.
Build Your Own Constant Current Power Supply DVR Productions 2022-04-22 | A good addition to your electronics lab or workbench is this constant current power supply built around an LM317 3-terminal regulator chip. In this video we will break down the build and go over the circuit schematic.The schematic in .PDF format is available from the author via email shown near the end of the video.
Neon Lamps - Why do they flicker & flash in the dark? DVR Productions 2022-04-01 | A short fun video about small neon lamps and why they act the way they do.
How to rebuild a volume control (Potentiometer) DVR Productions 2022-01-25 | This video describes in detail, how to rebuild potentiometers that are commonly used in Radios, Amplifiers and Test Equipment.
Restuffing & Testing Electrolytic Capacitors DVR Productions 2022-01-02 | How to keep the vintage look of your radio or amplifier chassis by restuffing the electrolytic or paper/foil capacitors. Also, a fun and in-depth look at dissecting and testing these types of capacitors.
EICO 460 - 1st Power Up In 37 Years DVR Productions 2021-10-23 | Mothballed and on the shelf for 37 years, this will be it's first controlled power up in nearly 4 decades! A prelude to its restoration, I needed to know where it's coming from so I can eventually get it fully restored.
Ear-Worn Mic Repair DVR Productions 2021-09-15 | How to repair a broken ear-worn microphone connection from the ear piece to the mic. cable that plugs into a body pack.
Small Speaker Re Cone On The Cheap; Pt 2 DVR Productions 2020-12-23 | Part 2 of a DIY procedure on how to re-cone a vintage 5" radio speaker using only paper, cloth and glue. This procedure can be used on a speaker of any size or impedance.
Small Speaker Re-cone (On The Cheap); Pt. 1 DVR Productions 2020-12-23 | Part 1 of a DIY procedure on how to re-cone a vintage 5" radio speaker using only paper, cloth and glue. This procedure can be used on a speaker of any size or impedance.
Big Boy Rolling through Hays 11 21 2019 DVR Productions 2020-12-09 | Union Pacific’s historic Big Boy has returned to the rails and is traveling across Kansas. The Big Boy steam locomotive No. 4014 is touring the Union Pacific (UP) system throughout 2019 to commemorate the transcontinental railroad’s 150th anniversary.
Firing the Barrett 50 Cal DVR Productions 2020-09-23 | Dean & Dan firing Dan's new Barrett .50 Cal. (2010)
