Light Bulb Trick / Inverter Repair




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Gustav Krantz: It happens to the best of us.

Tom Measor: We've all done it - well most of us lol.

RGTelesound: He could've made another vid but it was very cool of him to leave it the way it is to show his simple mistake.

Scott Banks: boring

jake ounce: Something to remember. Never would have thought!!

Cashpot: I am very glad he no longer repairs TVs.

Harry Haefner: Dr. Murphy strikes again!

Anthony W: Hi... can jerry or someone else post a diagram of how to correctly add in the light bulb?  Much appreciated!

Saber Rockin': Oh, and don't forget the 7.5 fuze ha ha

CampKohler: Sometimes the grease in switch mechanisms, after a long, long time, will get hard and physically block the contacts from touching. You have to wash out the switch with solvent (or at least scrape it all out) and apply fresh lube.

You do know of course that we schmucks watching you won't find bad switches and misswires; we will all have bad semiconductors, shorted coils, and lots of black smudges across the boards. Just our luck.

Graham Hart: Lol

Frankie Pitochelli: Yep...did TV repair for 35 yrs...the FET transistors will have a junction short , iv'e seen when the fet's are in series sometimes it will only show shorted when the fet tries to turn on etc....
Drove myself crazy many times with FET'S......they are a good transistor, but, can be a pain in the butt !!
good job !

RiaRadioFMHD773: Don't you hate how fets are chained so when one goes, often they all will.

Raul Schay: Hi Jerry...
I have a pure sine power inverter that I used to run an air conditioner that used 450 watts without problems until the other day that will not turn on the ac compressor , the inverter is rated up to 1500 watts, I tested with a watt meter, and  I load a toaster that used 1300 watts and it work with no problems , but will no turn the compresor ac no more.
Do you have any idea what could be the problem?
Thank you Jerry in advance ! 

Chuck Holder: Interesting lesson.but very slow

Victor Silva: If you don't have a light bulb you can use a bench supply that has CC mode.

vance byers: i am so grateful you shared this in spite of the mix up . i have been looking for the lightbulb tick in action for a while and now i have learned a lot about it even some from the comments section thank you

villigasruel: hahaha......LOL it's so funny

John Rose: i have the same problem as you have i did not think about the cabes being across
have soon as i turn it on dead short think you for your tips and money john

jack hodges: The reason for using a filament light bulb and not a normal resistor is that the light bulb is a variable resistor.

If the current being drawn by the circuit is low then the filament will have a very low resistance so the circuit can operate normally.  Only when the current drawn is high does the filament heat up and become a high resistance.

resistors dont do this so well.
Rating:
Light Bulb Trick / Inverter Repair 5 out of 5

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Light Bulb Trick / Inverter Repair