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Thinkpad T480 backlight fuse replacement
Thinkpad T480 backlight fuse replacement
Hello everyone!
I was replacing my screen and forgot to disable internal battery, fuse burnt out and now the back light of new screen makes it impossible to use alone. I was wondering if someone could help me identify what fuse to buy from Digikey. i'll post all my laptop configurations if it helps. Major thanks in advance!
Part No: 20L5CTR1WW-PF172S3D
Configuration Details
● Processor: Intel® Core™ i5-8250U Processor (6M Cache, up to 3.40 GHz)
● Operating System: Windows 10 Home 64 - English
● Display Type: 14.0" HD (1366x768) anti-glare, LED backlight w/720p Camera
● Memory: 8GB DDR4 2400Mhz SoDIMM Memory
● Hard Drive: 500GB 7200RPM Serial ATA 2.5" Hard Drive
● Warranty: 1 Year Standard Depot Warranty
● Graphics: Intel® UHD Graphics 620
● Battery: 3 Cell (24Wh) plus External 3-cell Li-Ion (24Wh)
● Bluetooth: Bluetooth
● Pointing Device: TrackPoint pointing device and buttonless Mylar surface multi-touch touchpad
● Wireless: Intel Dual Band Wireless-AC 8265, Wi-Fi 2x2 802.11ac + BT4.1, M.2 card
I was replacing my screen and forgot to disable internal battery, fuse burnt out and now the back light of new screen makes it impossible to use alone. I was wondering if someone could help me identify what fuse to buy from Digikey. i'll post all my laptop configurations if it helps. Major thanks in advance!
Part No: 20L5CTR1WW-PF172S3D
Configuration Details
● Processor: Intel® Core™ i5-8250U Processor (6M Cache, up to 3.40 GHz)
● Operating System: Windows 10 Home 64 - English
● Display Type: 14.0" HD (1366x768) anti-glare, LED backlight w/720p Camera
● Memory: 8GB DDR4 2400Mhz SoDIMM Memory
● Hard Drive: 500GB 7200RPM Serial ATA 2.5" Hard Drive
● Warranty: 1 Year Standard Depot Warranty
● Graphics: Intel® UHD Graphics 620
● Battery: 3 Cell (24Wh) plus External 3-cell Li-Ion (24Wh)
● Bluetooth: Bluetooth
● Pointing Device: TrackPoint pointing device and buttonless Mylar surface multi-touch touchpad
● Wireless: Intel Dual Band Wireless-AC 8265, Wi-Fi 2x2 802.11ac + BT4.1, M.2 card
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Re: Thinkpad T480 backlight fuse replacement
I'm in the same boat- forgot about the 2nd internal battery. I'd l;ove to know where the fuse is, as well.
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Re: Thinkpad T480 backlight fuse replacement
viewtopic.php?p=843059#p843059
Usually those fuses are located very close to the LCD-connector on the motherboard.
This has been mentioned on the forum about, oh, what, 1478 times?
Many schematics can be found for sale all over the place, several also free if you dig deep enough.
Usually those fuses are located very close to the LCD-connector on the motherboard.
This has been mentioned on the forum about, oh, what, 1478 times?
Many schematics can be found for sale all over the place, several also free if you dig deep enough.
Lovely day for a Guinness! (The Real Black Stuff)
Lenovo: X240, X250, T440p, T480, M900 Tiny.
PS: the old Boardroom website is still available on the Wayback Machine.
Lenovo: X240, X250, T440p, T480, M900 Tiny.
PS: the old Boardroom website is still available on the Wayback Machine.
Re: Thinkpad T480 backlight fuse replacement
Not sure if this will help, however the lcd backlight fuse on T460 is F5 located on the reverse of the motherboard near where the lcd cable plugs in. It's maybe 1mm in size so you will need some type of magnification for testing, i used an ipad camera for mine, you can check it with a multi meter. Changing it would be a challenge, i bridged mine with tinned wire, (not a great idea) but now I know the failsafe isn't there I'll be more careful. I can post a pic of the location on T460, but not sure if it's same on T480. Hope this helps, good luck
Re: Thinkpad T480 backlight fuse replacement
Hi, I'm trying to fix my thinkpad backlight too and found your reply. Would you please post a picture of the bridging you did? That would help a lot, thanks.Paul222 wrote: ↑Thu Jun 03, 2021 12:20 pmNot sure if this will help, however the lcd backlight fuse on T460 is F5 located on the reverse of the motherboard near where the lcd cable plugs in. It's maybe 1mm in size so you will need some type of magnification for testing, i used an ipad camera for mine, you can check it with a multi meter. Changing it would be a challenge, i bridged mine with tinned wire, (not a great idea) but now I know the failsafe isn't there I'll be more careful. I can post a pic of the location on T460, but not sure if it's same on T480. Hope this helps, good luck
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