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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 06-23-2019, 03:31   #1 (permalink)
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Samsung SM-T230 Tablet charging coil L481 value??


Hi everyone!
Does any one have a Samsung SM-T230 tablet?
My one does not charge. I've followed the schematic diagramm and it says I need to change U490 (SM5418 charging IC) or L481.
But the schematic does not say the value of the coil and cannot find the coil on Aliexpress.
Does any one know the value of the coil?
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Old 06-25-2019, 19:58   #2 (permalink)
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Quote:
Originally Posted by gergely View Post
Hi everyone!
Does any one have a Samsung SM-T230 tablet?
My one does not charge. I've followed the schematic diagramm and it says I need to change U490 (SM5418 charging IC) or L481.
But the schematic does not say the value of the coil and cannot find the coil on Aliexpress.
Does any one know the value of the coil?
* 2703-004297 L481 INDUCTOR-SMD
value: 1UH 20% 2520.0.9T 0.048OHM
check this page for same parts in other phones/tablets
Samsung Spare Parts | Mobile Phone | Galaxy Camera | EK-GC100WRAXSA | Version 0001 | SAMSUNG INDUCTOR-SMD;1UH,20%,2520,T0.9,0.048OHM,
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Old 06-25-2019, 20:10   #3 (permalink)
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Thanks! you are great!
How did you find this? I was searching the schematic but it only show the part number, L481
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Old 06-25-2019, 20:14   #4 (permalink)
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Originally Posted by gergely View Post
Thanks! you are great!
How did you find this? I was searching the schematic but it only show the part number, L481
I found in the service manual, in the electrical parts list(this part of the service manual is really hard to find it)
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Old 06-25-2019, 20:30   #5 (permalink)
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i see that you are in spain too.
Would it be possible to see that service manual that you have?
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Old 06-25-2019, 20:45   #6 (permalink)
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Originally Posted by gergely View Post
i see that you are in spain too.
Would it be possible to see that service manual that you have?
Samsung Galaxy Tab 4 SM-T230 Service Manual: http://festyy.com/w2r6VC
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Old 06-25-2019, 22:58   #7 (permalink)
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L481=CIG22E1R0MNE
good luck
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Old 06-25-2019, 23:15   #8 (permalink)
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Thanks! I am amazed by you guys!
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Old 06-25-2019, 23:20   #9 (permalink)
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Just a quick question. I am really curious about how did you find it? You too had the special service manual?
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