Hello, I could not find the information of this diode in the photo. What is the information of the diode?
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something like this maybe?
https://www.littelfuse.com/products/...p4sma/p4sma62a -
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Hi:
I have what it might seem a zener diode. It's marked as E57, but I haven't found any reference that might match my observations.
I've took one from the same circuit and tested isolated with the power supply and a 1k resistor. with 10V, the possible zener stays at 6.6V.
It seems a SOD123 package. It measures (2.6mm x 1.6 mm).
Any idea? it's a 6.6V zener?
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Hi all can anyone help to find a replacement diode with markings, LT9B1 2 UG ?
picture attatched.
Cheers : Paul... -
Hi everybody.
I'm trying to fix this toothbrush that doesn't wanna start. And I need your help.
Just to inform you that I'm supperbeginner
First photos are from internet because I did not took a photo of whole board.
I have noticed that fuse marked with "E" near the battery pole is bad and decided to short it with a "proper calibrated wire" as one would say.
Now, when I apply 1V from the power supply, limited to 500mA, one of the component stick out from the rosin mist. CHC N2AB (or some variation of that letters) is the hottest...03-05-2025, 10:05 AM -
First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Hello everyone, I'm repairing an LG TV backlight and I noticed some strange behavior when I touching the backlight strip with a missing Zener diode.
So I replaced the leds on the strips and they seemingly working fine, but soon as I touch the strip which has a missing Zener diode the whole backlight turns off for a few seconds and then turns back on.
Is this caused by the missing diode? If so what kind of zener diode should I use to replace it?.
The led strips has 9 6V leds.
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