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Author Topic: Domestic appliance. Now Sorted  (Read 2351 times)

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unlucky alf

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Re: Domestic appliance help
« Reply #15 on: 01 June 2010, 10:37:51 »
i wonder what the chances are of getting the schematics for the board?. :-/
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eliteomegaman

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Re: Domestic appliance help
« Reply #16 on: 01 June 2010, 10:42:17 »
Sorry to crash in on your post Tonkapaj but i too have a problem!  :'(

We have a Hotpoint Aquarius WML560 & its 'Fatigued' for want of another word!  ::)

Some-one (no names mentioned) spilt a whole jug of water over the top & now it doesn't work  >:(

Will light up, lock the door but then nothing!

Have looked inside from the back & can't see anything untoward & as suggested by a neighbour, i've looked at the circuit board but no signs of anything burnt.

Just out of warranty (always the case!) & the 3yr extended warranty from the shop is nul & void cos the buggers have gone bust  >:(

Any ideas please  :-/
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Tonka.

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Re: Domestic appliance help
« Reply #17 on: 01 June 2010, 10:55:03 »
Quote
Sorry to crash in on your post Tonkapaj but i too have a problem!  :'(

We have a Hotpoint Aquarius WML560 & its 'Fatigued' for want of another word!  ::)

Some-one (no names mentioned) spilt a whole jug of water over the top & now it doesn't work  >:(

Will light up, lock the door but then nothing!

Have looked inside from the back & can't see anything untoward & as suggested by a neighbour, i've looked at the circuit board but no signs of anything burnt.

Just out of warranty (always the case!) & the 3yr extended warranty from the shop is nul & void cos the buggers have gone bust  >:(

Any ideas please  :-/

I am considering a wash tub and a dolly. Can't break that  ::)

I really have no idea about these things but maybe make sure it has really dried out. Damn things  ;)
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Tonka.

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Re: Domestic appliance help
« Reply #18 on: 01 June 2010, 11:06:06 »
As requested, pictures and descriptions as best I can:

The main board. You can see the burnt track (an inverted 'T' shape) at the top. With a small unidentifiable black component at the top of the track.



The small unidentifiable black component. Top, just left of centre.



The large black component above IC2. It is marked
K638
LNK305PN
40559A

Also, one of the tracks seems to terminate at the blue cylinder on the far left of this picture. It is marked.
10uf
400v
SK85oC



Hope this of some use  :y
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unlucky alf

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Re: Domestic appliance help
« Reply #19 on: 01 June 2010, 11:10:02 »
is resistor R114 burnt or is it just the light?.the blue cylinders as you put it are capacators & dont look like the have blown.
« Last Edit: 01 June 2010, 11:11:14 by froggy »
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Tonka.

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Re: Domestic appliance help
« Reply #20 on: 01 June 2010, 11:13:24 »
Quote
is resistor R114 burnt or is it just the light?.the blue cylinders as you put it are capacators & dont look like the have blown.

R114 is very near IC2 and I think it has just marked it  ;)
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eliteomegaman

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Re: Domestic appliance help
« Reply #21 on: 01 June 2010, 11:18:23 »
Quote
Quote
Sorry to crash in on your post Tonkapaj but i too have a problem!  :'(

We have a Hotpoint Aquarius WML560 & its 'Fatigued' for want of another word!  ::)

Some-one (no names mentioned) spilt a whole jug of water over the top & now it doesn't work  >:(

Will light up, lock the door but then nothing!

Have looked inside from the back & can't see anything untoward & as suggested by a neighbour, i've looked at the circuit board but no signs of anything burnt.

Just out of warranty (always the case!) & the 3yr extended warranty from the shop is nul & void cos the buggers have gone bust  >:(

Any ideas please  :-/

I am considering a wash tub and a dolly. Can't break that  ::)
I really have no idea about these things but maybe make sure it has really dried out. Damn things  ;)

Already hired one of those & is now a permanent fixture ....... it's called THE WIFE!!   ;) :D :D :D
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unlucky alf

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Re: Domestic appliance help
« Reply #22 on: 01 June 2010, 11:19:48 »
the component on the "inverted T" seems to be a surface mounted diode, but i dont know how to ID these, although if you can find out the value it would only be pennies to replace it.
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Tonka.

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Re: Domestic appliance help
« Reply #23 on: 01 June 2010, 11:25:54 »
Quote
the component on the "inverted T" seems to be a surface mounted diode, but i dont know how to ID these, although if you can find out the value it would only be pennies to replace it.

Ah haaa! After cleaning the soot off I can read it with a magnifying glass  ::) ::)

SM
68A

 :y
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unlucky alf

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Re: Domestic appliance help
« Reply #24 on: 01 June 2010, 11:30:54 »
Quote
Quote
the component on the "inverted T" seems to be a surface mounted diode, but i dont know how to ID these, although if you can find out the value it would only be pennies to replace it.

Ah haaa! After cleaning the soot off I can read it with a magnifying glass  ::) ::)

SM
68A

 :y
ive got to go out now but will have a look for that component when i get back, although Mark probably knows what its value is with those details with a bit of luck :y
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Tonka.

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Re: Domestic appliance help
« Reply #25 on: 01 June 2010, 11:32:14 »
Thanks for all of your help so far  :y
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Marks DTM Calib

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Re: Domestic appliance help
« Reply #26 on: 01 June 2010, 11:35:37 »
I suspect that looking at it, there is nothing truely failed.

All to often you see poor design in these items with PCB tracks that can only just handle the currents thrust upon them and resistors that are driven to the point where they just about manage to not burn the paint off them.

You can test the diode (as it is a larger surface mount diode in the pic) with a continuity tester.

But do test the continuity on the level switch.



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Tonka.

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Re: Domestic appliance help
« Reply #27 on: 01 June 2010, 11:48:12 »
Quote
But do test the continuity on the level switch.

When I blow down the tube I get continuity. When I don't blow, I dont get continuity. Thats good I think  :y
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Marks DTM Calib

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Re: Domestic appliance help
« Reply #28 on: 01 June 2010, 11:49:21 »
Quote
Quote
But do test the continuity on the level switch.

When I blow down the tube I get continuity. When I don't blow, I dont get continuity. Thats good I think  :y


And can you blow through the tube into the drum section?
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Tonka.

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Re: Domestic appliance help
« Reply #29 on: 01 June 2010, 11:50:14 »
Yes, its clear. ;)
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