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Sogo jpn-650 circuit not working

irfan490

Jun 1, 2023
2
Joined
Jun 1, 2023
Messages
2
Please help this solve not working
 

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73's de Edd

Aug 21, 2015
3,628
Joined
Aug 21, 2015
Messages
3,628
Sir irfan490

Now I know what a . . . . .

SOGO Rechargeable Fan
Model: JPN-650R – 180° oscillating table fan –
LED night light – 2X6V 4500mAH Rechargeable Battery –
24 speed function – 1-12 hour timer

is . . . . . after seeing . . . .


Initial exploratory questions . . .

Is this YOUR unit that you have bought new and had since day one of purchase as a new unit and therefore will have the correct wall wart power unit.

OR is this a donated / street or curb find item you are HOPING to get to work again.

Seems like it is HIGHLY dependent upon basically running with its two 6 V series connected 4500 ma . . . . fully charged . . . lead acid batteries with the

wall wart just trying to play keep up in trickle re-charging those two primary cells.

As per the fuse, was it your doing in the addition of the still wrapped left side of fuse jumping wire, and its floating right connection ? if so and the fuse

WAS open . . . . Did you ever get any semblance of power presence, like a fan jerk or any LED light up ?

If being your working unit . . . . could it have been in STORAGE / NONUSED, of enough time, such that the 2 lead acid batteries have since gone belly up

from cell sulfation ?

Pig Tail FUSE BLOWUP . . . .
1685712784448.png

Thaaaaaaaaaassssssit . . . . .

73's de Edd . . . . .

I'm now really sorry that I dressed my dog up as a cat last Halloween.
A bad side effect of that, is even now, he won’t come when I call him.
 

bidrohini

Feb 1, 2023
165
Joined
Feb 1, 2023
Messages
165

H2814D has already figured out a blown fuse. Please check if something else looks blown, burnt or melted. Check the ICs and PCB traces with a multimeter.​

 

73's de Edd

Aug 21, 2015
3,628
Joined
Aug 21, 2015
Messages
3,628
Can we get a good closeup of the components side of the center board, as that is where all of the action is .
 
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