Ultrasonic cleaner is not working. - GSM-Forum

Chevron · 10-10-2010, 18:37

Hello guys.I have the ultrasonic cleaner "DAYU" - one mode with one button.When I switch on the cleaner,the red led is shining,but piezoelement is not vibrating - but it is operable - i'm checked the piezoelement to connecting by another Ultrasonic cleaner(Baku 9050)
There attaches of destroyed cleaner,anybody help me to find the scheme for...?

djdansmart · 10-10-2010, 19:01

Why need schema? Dezassambly and check components..sure diods or/and tranzitors brocken! But if you don`t have skils for this job..

Chevron · 10-10-2010, 20:54

Quote:

Originally Posted by djdansmart

But if you don`t have skils for this job..

I'have a skills.I know this is their often reason - I marked it on the attach by red arrows.(look at tha attach,please)...There are?

But why these transistors have often damaging in a lot of ultrasonic cleaners?
So must to be install more powerful denomination transistors?Are transistors universal in a lot of cleaners?I want that ultrasonic cleaner are working more longer.

When cleaner was working - the transistors were very hot!
Please give your advices,guys!

Chevron · 10-11-2010, 14:05

Where are you people?

djdansmart · 10-12-2010, 09:20

Quote:

Originally Posted by Chevron

I'have a skills.I know this is their often reason - I marked it on the attach by red arrows.(look at tha attach,please)...There are?

But why these transistors have often damaging in a lot of ultrasonic cleaners?
So must to be install more powerful denomination transistors?Are transistors universal in a lot of cleaners?I want that ultrasonic cleaner are working more longer.

When cleaner was working - the transistors were very hot!
Please give your advices,guys!

Bcz is a cheap ultrasonic cleaner,bcz is chinese job..bcz a lot of reason! Find datasheet of that transitors and find other more powerfull! I know is verry hot..maybe change aluminium radiators..put other more big!

Chevron · 10-15-2010, 20:49

Djdansmart thanks,the problem is resolved.I'm changed 3 resistors and these(as shown on the picture) 2 transistors.And cleaner be operable.

:Akintex: · 11-05-2010, 06:49

Quote:

Originally Posted by Chevron

I'have a skills.I know this is their often reason - I marked it on the attach by red arrows.(look at tha attach,please)...There are?

But why these transistors have often damaging in a lot of ultrasonic cleaners?
So must to be install more powerful denomination transistors?Are transistors universal in a lot of cleaners?I want that ultrasonic cleaner are working more longer.

When cleaner was working - the transistors were very hot!
Please give your advices,guys!

What is number of these transistors ? my transistor replased by wrong value.

please tell me current number of transistors.

protons · 11-05-2010, 07:08

Maybe one is for you:

protons · 11-05-2010, 07:10

Transistors is ST13005

djdansmart · 11-05-2010, 08:20

Or BUT11..metalic case!

dioda76 · 11-17-2010, 20:26

BUT18 is working too!I tested BU508a also!

10-10-2010, 18:37	#1 (permalink)
Chevron Freak Poster Join Date: Oct 2007 Location: Kazakhstan,Almaty Posts: 100 Member: 603622 Status: Offline Thanks: 32 Thanked 14 Times in 13 Posts	Ultrasonic cleaner is not working. Hello guys.I have the ultrasonic cleaner "DAYU" - one mode with one button.When I switch on the cleaner,the red led is shining,but piezoelement is not vibrating - but it is operable - i'm checked the piezoelement to connecting by another Ultrasonic cleaner(Baku 9050) There attaches of destroyed cleaner,anybody help me to find the scheme for...?

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10-10-2010, 19:01	#2 (permalink)
djdansmart No Life Poster Join Date: May 2005 Age: 35 Posts: 551 Member: 149135 Status: Offline Thanks: 30 Thanked 96 Times in 72 Posts	Why need schema? Dezassambly and check components..sure diods or/and tranzitors brocken! But if you don`t have skils for this job..

10-11-2010, 14:05	#4 (permalink)
Chevron Freak Poster Join Date: Oct 2007 Location: Kazakhstan,Almaty Posts: 100 Member: 603622 Status: Offline Thanks: 32 Thanked 14 Times in 13 Posts	Where are you people?

10-15-2010, 20:49	#6 (permalink)
Chevron Freak Poster Join Date: Oct 2007 Location: Kazakhstan,Almaty Posts: 100 Member: 603622 Status: Offline Thanks: 32 Thanked 14 Times in 13 Posts	Djdansmart thanks,the problem is resolved.I'm changed 3 resistors and these(as shown on the picture) 2 transistors.And cleaner be operable.

11-05-2010, 07:10	#9 (permalink)
protons Freak Poster Join Date: May 2005 Posts: 307 Member: 143385 Status: Offline Thanks: 205 Thanked 30 Times in 8 Posts	Transistors is ST13005

11-05-2010, 08:20	#10 (permalink)
djdansmart No Life Poster Join Date: May 2005 Age: 35 Posts: 551 Member: 149135 Status: Offline Thanks: 30 Thanked 96 Times in 72 Posts	Or BUT11..metalic case!

11-17-2010, 20:26	#11 (permalink)
dioda76 Freak Poster Join Date: Jan 2005 Location: ROMANIA Age: 36 Posts: 185 Member: 104946 Status: Offline Thanks: 14 Thanked 26 Times in 18 Posts	BUT18 is working too!I tested BU508a also!