1994 Toshiba CF26C30 Intermittant Power Up, Part 9, Capacitor ESR.

[HardKnocks60]

You was rather quick about putting that ESR meter together!! That sounded like a really fast version of "Girl from Ipanema" you played on the audio.

[Lockemeister]

@HardKnocks60 I speeded up the orchestra then lowered the pitch.

The meter went together pretty good. I only need 2 sets of glasses and a magnifyer

[12Guitarman121]

To old of a tv man just get a new one, its worth nothing and the picture is ugly compared to new HD's. This is a waste of time

[RejectedManiac]

@12Guitarman121 Don't watch the video then sir...

[Lockemeister]

@MrDennis8805 Well, I just figgure I might find another bad electrolytic. If not, then I'll keep progressing to more likely things, like the H.O.T and that 9 Volt Regulator. I been reading a lot on blogs and people replace stuff like the yoke, regulator, H.O.T. and they stil lhave this problem. This is why I'm doing the ESR testing on the electolytic caps just in case. You know, take 10 minutes and try to eliminate something small, instead of going for the bigger things.

[Lockemeister]

@MrDennis8805 Thanks! Hopefully the ESR meter will show a bad electrolytic in circuit. The one that's the problem. I definately had a bad 18 year old cap in the vertical. I figgure after 18 years I might have some more bad ones.

You're right though. It could be a transistor or even a shorted flyback. Anything that puts a greater current load on various circuits will cause the set to shut down. It might be shutting down in 1/2 second instead of not powering up at all, if that makes sense.

[mznxb9872]

Have you checked the Horizontal Output Transistor for shorts/open, to eliminate that as a potential source of trouble?

[Lockemeister]

@mznxb9872 I will do that in the next video. Thanks!

You are right in your statement. The Set might be making H/V just for a second, then it shuts down due to protection circuittry

[Lockemeister]

@mznxb9872 I will do that in the next video. Thanks!

You are right in your statement. The Set might be making H.V. just for a second, then it shuts down due to protection circuittry

[Lockemeister]

@mznxb9872 Thanks for your comment. I'll check the H.O.T next video. I want to test the electrolytics because I read on a blog that there is a bypass cap or two near the switching regulator that can cause this power up problem. I built the ESR meter to test the caps, just in case there is another bad one. That way I don't chase my tail if there is a bad cap that is in the circuit and I'm testing out other things instead.

[old64goat]

Nice little meter, I could never work with small stuff like that, besides I have no patence with solid state, too complex for me.

Tube stuff is much more simple, great job with this set, I hope you can get it going.

Bill

[Lockemeister]

@old64goat Thanks Bill, your comment means a lot to me

[OldTimeRadioGuy]

That's a pretty neat meter..

[Lockemeister]

@OldTimeRadioGuy yes, it was simple to construct because I used the magnifier. I hope I can find a few more bad caps in circuit