How to use the signal injector when troubleshooting a radio

It can be used to troubleshoot a superheterodyne radio or to troubleshoot an audio amplifier.
A transistor is a miniature amplifier.
When a signal pulse at its input is injected, the output is amplified as sound.
If that or that is a malfunction, there is no sound or it may be a malfunction.
The troubleshooting tracking method is to inject a pulse signal from the first input amplifier to the final output stage.

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A very helpful video for those of us who tinker with radios. Thank you.

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Audio would be nice. You could explain what you are doing and why and what the significance of what you are doing is. Thanks for the video.

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Thank you for visiting my channel. This device is a device for fault tracking of audio amplifiers, transistor radios, and vacuum tube radios. This transistor radio consists of a multi-stage amplifier. This is a device that injects a signal into the amplifier's input terminal to diagnose any malfunctions. The stethoscope used by doctors only listens, but it is a device that forcibly injects signals to test. Please read the description carefully. thank you.

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Da se poate explica dar ar ocupa un spatiu amplu ptru descriere si mai ales explicarea pe baza unei scheme in fata in asa fel incit sa se discute fiicare etxaj in parte si modul cum se comporta dispozitivul ptru fiicare punct testat El inlocueste in mare parte un dispozitiv mult mai complex GSS (generator de semnale standard) un dispozitiv special creat ptru acordarea si alinierea receptoarelor Aparatul fiind mult mai voluminos si nu se poate lucra cu el decit stationar (in laborator, atelier) Injectorul de semnal este un dispozitiv de teren in special In general si comun este un multivibrator cu 2 Tz dar poate fi si un oscilator compus dintr-un Tz in general Tz trebuie sa fie de RF cu o fregventa de trecere cit mai mare posibil astfel permitind testarea radio dar si Tv cale comuna si sunet El este folosit prin metoda din fata in spate ( difuzor pina la antena) si este extrem de util depanatorilor mai ales in munca de teren dar si local si in baza schemei si experentei de lucru se poatd ajunge si pina la 90 % din cazuri la identificarea chiar a pesei defecte am mai spus in baza experentei de lucru Am lucrat cu un astfel de dispozitiv dealungul cariere mele mai bine de 50 de ani de meserie asociat cu un instrument de masura AVO cu 20 000 ohm / V si un urmaritor de semnal (signal trace) , nu am avut nici o data nevoie de ins mai sofisticate desi atelierul era dotat cu de toate Osciloscoape, GSS, Generatoare de functii fregventmetre, Voltmetre electronice speciale ptru AF s-au RF Rar am lucrat cu ele dar nu din necesitate ci doar sa i-mi amintesc cum se folosesc si a nu perde din indeminare de a le folosi

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It can be used to troubleshoot a superheterodyne radio or to troubleshoot an audio amplifier. A transistor is a miniature amplifier. When a signal pulse at its input is injected, the output is amplified as sound. If that or that is a malfunction, there is no sound or it may be a malfunction. The troubleshooting tracking method is to inject a pulse signal from the first input amplifier to the final output stage.

[@bigbrother1059]

What's not fun? To elaborate on this article again, in the radio circuit, you can trace the diagnosis in reverse from the one closest to the audio amplifier to the first.

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