schematic Tesoro Cibola...

[king-bo-ho]

Hello, my name is Jannes and I'm from Germany.
I'd like to know if someone of you has a schematic of a Tesoro Cibola?
My Cibola doesn't work anymore very good. When i turn it on, it works for one hour and than suddently it makes strange sounds and it's quiet. When i change the batteries it works some minutes but than the same thing happens...

I would be very pleased, if someone can help me.

Greeting from Germany
king-bo-ho

[plboy]

Hello, my name is Jannes and I'm from Germany.
I'd like to know if someone of you has a schematic of a Tesoro Cibola?
My Cibola doesn't work anymore very good. When i turn it on, it works for one hour and than suddently it makes strange sounds and it's quiet. When i change the batteries it works some minutes but than the same thing happens...

I would be very pleased, if someone can help me.

Greeting from Germany
king-bo-ho

check stabilizatory of shematic, what type of batt do you use

[king-bo-ho]

I use normal 9V batteries, no accus.
A friend of me checked all soldering points and he repaired some, which looked not so good. (Do you ment this with stabilizatory, I don't know this word...?!?)

[Max]

Hello, my name is Jannes and I'm from Germany.
I'd like to know if someone of you has a schematic of a Tesoro Cibola?
My Cibola doesn't work anymore very good. When i turn it on, it works for one hour and than suddently it makes strange sounds and it's quiet. When i change the batteries it works some minutes but than the same thing happens...

I would be very pleased, if someone can help me.

Greeting from Germany
king-bo-ho

Hi,
I think you have some problem with too much current wasted there...
you replace batteries and it works for few minutes and then stops ?

Probably there's something wrong in battery holders or the regulator/filter network after batteries.

1. Battery holders
If there was an explosion there ... of a battery I mean... the electrolitic stuff from battery create a current path that waste your fresh batteries energy in some electrolitic process there

solution: clean very carefully if needed; change/replace mechanical parts.

2. Regulator/filter
If regulator ran out of steam means it goes in protection state cause of auto-shut-off procedure there...

Do you feel device hot in some spot after a while ? Near regulator ?

If so... be sure that is auto-shut-off due to thermal on regulator itself; solution change regulator with new or find why it warms up during use.

Possible cause is also at filter thing...

Filter: electrolitic caps used in filters can expose internal lowered equivalent "resistance". If so... capacitor(s) warms-up with your battery current for Joule effect there... so you waste energy till batteries die... then you replace with new... but "resistance" is then too low at those caps and you new batteries last even less than before.

Solution: replace filters capacitors.

And you don't need schematic to do it.

Kind regards,
Max

[king-bo-ho]

My friend checked the cibola and he sad the batterie was ok and he saw no short circuit.
You meen he should change some components?!?
When he has a schematic he could check everthing and I would know what's the problem.

(sorry if I misunderstand something, but I don't know all technical terms, so it's difficult to understand everything you write)

[porkluvr]

Sounds like you have an intermittent component that only shows its defect after warm-up.

You could try a can of (M.G. Chemicals) "Super Cold" or a similar circuit chiller: when the -intermittent- acts up, start squirting the cold spray in short bursts at various parts to try and isolate the bad part. Take your time. Wait for the cold to spread, in-between squirts.

Beware, this procedure sounds deceptively simple but is not fool proof. I have done this in the past, where I was absolutely SURE I had found the bad part - only to find out later that the real problem was actually half-way across the board. Gaaa.

A heat gun also comes in handy because you may have to thermally shock the board many times before you can isolate the malfunction, and it speeds things up.

[plboy]

Hello, my name is Jannes and I'm from Germany.
I'd like to know if someone of you has a schematic of a Tesoro Cibola?
My Cibola doesn't work anymore very good. When i turn it on, it works for one hour and than suddently it makes strange sounds and it's quiet. When i change the batteries it works some minutes but than the same thing happens...

I would be very pleased, if someone can help me.

Greeting from Germany
king-bo-ho

Hi king-bo-ho have you got a shematic of a Tessoro Cibola

[king-bo-ho]

Sounds like you have an intermittent component that only shows its defect after warm-up.

You could try a can of (M.G. Chemicals) "Super Cold" or a similar circuit chiller: when the -intermittent- acts up, start squirting the cold spray in short bursts at various parts to try and isolate the bad part. Take your time. Wait for the cold to spread, in-between squirts.

Beware, this procedure sounds deceptively simple but is not fool proof. I have done this in the past, where I was absolutely SURE I had found the bad part - only to find out later that the real problem was actually half-way across the board. Gaaa.

A heat gun also comes in handy because you may have to thermally shock the board many times before you can isolate the malfunction, and it speeds things up.

Thanks for the information. I'll test it..hopefully it will work again after test it.


@plboy

No I haven't a schematic. Do you have one?

[king-bo-ho]

I have test the cold-spray, porkluvr. But it changed nothing, still the same problem.... I'll ask a german tesoro-seller about the guarantee tomorrow. Or he should check erverything

Thanks for your help!

king-bo-ho

[porkluvr]

oh-oh, warranty?

I'll ask a german tesoro-seller about the guarantee tomorrow. Or he should check erverything

Uh-oh. I think Tesoro detectors come with a life-time guarantee, but perhaps you should not disclose that you opened the case, eh? Your dealer may use that as an excuse to not honor any warranty that would, otherwise, be in effect.

[king-bo-ho]

Yes, I know. I won't tell him about that
Tesoro has a guarantee for 20Years, but only if you have registrate the tesoro after you bought it. But i did that, so i think there shouldn't be a problem...

thanks!

[porkluvr]

I wish you good luck with it. I'm sorry nobody could help you with a schematic.

I hope you'll let us know what the "doctor" finds out about your Cibola. I wonder if the "carbon composite" coil is defective?
Thanks!

[Sean_Goddard]

Look for SMALL blue electrolytic capacitors (maybe) in the -ve voltage generator circuit. Change these all will be OK.

It's a VERY common fault on Tesoro machines, they are under specified on the voltage leading to the cap being overloaded and drying out, this means no -ve rail and no function.

Hope this helps.

[Sean_Goddard]

DAVE,

In reply, no insult intended to yourself. Note I said EUROPEAN repairer (or at least someone who was CLAIMING to be an authorised Tesoro repairer) I was referring to another who publicly "had a go" at me recently on another forum for no reason other than I helped one of his customers to repair his machine free of charge. He saw this as a direct attack.

You of all people should know I have NEVER said and will not hear a bad word said against you. I have nothing but repsect for you and your abilities. I apologise if you saw this as a swipe at yourself.

You have to admit the point though, these caps ARE undervalued on the voltage rating, as design flaw in an otherwise excellent machine range.

[Dave]

Sean,
Thanks for your candour.
As I was not aware of an authorised 'European' Tesoro repairer you can understand my surprise in reading your comments.
There is no need to apologise and the mis-interpretation of your post is my fault alone.
Dave