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X61 lid mysteries (LEDs & Stickers) [Picture inside]

X60/X61 series specific matters only.
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Jake.Werecat
Posts: 8
Joined: Thu May 09, 2019 6:46 pm
Location: Cracow, Poland

X61 lid mysteries (LEDs & Stickers) [Picture inside]

#1 Post by Jake.Werecat » Fri Jul 12, 2019 10:32 pm

Out of pure curiosity, since I bought my X61 I was wondering about a few spots on X61 lid. I was searching online for hours, but did not came to any conclusion. Maybe one of you already know the answer?
1) There are three spots covered with black stickers or plastic shims. One is for WWAN antenna (that on the RH side of the screen), the purpose for other two are unknown for me, I marked them green on a picture attached below.
2) LED Indicator on a lid. X61 come with beautiful LED indicators for almost anything, sadly so rarely seen on any notebooks including ThinkPads these days. There are 10 LED on bottom display bezel, and 3 on the lid, however the size of the sticker on the lid is obviously for 4 LEDs (place marked with a green arrow). There is also a spot on the inverter board for the fourth LED, but it's not soldered. Anybody has any idea what i might be? And why is blinded?
https://i.imgur.com/6cBGVRj.jpg
X60s, X61s, X230, T430

axur-delmeria
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Re: X61 lid mysteries (LEDs & Stickers) [Picture inside]

#2 Post by axur-delmeria » Sat Jul 13, 2019 12:46 am

The bluetooth module is beside the left hinge. If that section was not cut out, the magnesium alloy of the lid would interfere with the bluetooth module's antenna, decreasing its range.

The one at the top may very well be for another antenna. IIRC the X61 has 3 antennas for WiFi. I haven't looked closely at an X61 lid in quite a while.

As for the missing LED, it may have been something that was dropped during development.
Daily driver: X220 4291-C91 i7-2620M

Backup: X601 Core 2 Duo T8100
Toy: X60F Core Solo U1300
On loan: X220 4291-P79 i5-2520M
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

Jake.Werecat
Posts: 8
Joined: Thu May 09, 2019 6:46 pm
Location: Cracow, Poland

Re: X61 lid mysteries (LEDs & Stickers) [Picture inside]

#3 Post by Jake.Werecat » Sun Jul 14, 2019 6:49 am

Thanks for explanation :)
X60s, X61s, X230, T430

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