Take a look at our
ThinkPads.com HOME PAGE
For those who might want to contribute to the blog, start here: Editors Alley Topic
Then contact Bill with a Private Message

Sharp LQ150U1LW03 on a 15" T4x anyone?

T40/T41/T42/T43 Series
Post Reply
Message
Author
kfzhu1229
Senior ThinkPadder
Senior ThinkPadder
Posts: 2659
Joined: Tue Sep 22, 2015 10:59 pm
Location: Toronto, Canada

Sharp LQ150U1LW03 on a 15" T4x anyone?

#1 Post by kfzhu1229 » Thu Feb 27, 2020 8:18 pm

I am curious have anyone here even had their hands on a Sharp LQ150U1LW03 UXGA display?
What happened was my T43p's IDTech LCD is getting really worn with all clouds of bad pixels along the edges and lots of dust marks behind the screen, so I decided to replace it with the cheapest IPS level UXGA display I could find on eBay, and I have got the Sharp LQ150U1LW03 (1:450 contrast ratio) in pretty good condition, and today it has arrived and I have experienced all sorts of problems with it working on a T43p:
1. The most obvious one: the display cable has to be folded
2. The backlight connector is the older, bigger type and doesn't go in the inverter of any T4x. I have snipped off the connector of a broken Hitachi display from a Dell, solder some wires on it and made an adapter (and tucked it behind the inverter) and that worked just fine.
3. The screw holes on the sides don't line up with any screw hole of the T4x brackets. I have to use tape to hold the bracket onto the display instead.
4. The LCD has this watermark like blob in the centre of the screen that gets smaller and smaller as the screen gets lit for longer. If you disconnect the LVDS cable, the LCD displays pure white without that blob just fine. And if something is displayed within that blob for a long time, it gets burned in. This is something that I have to live with.
And it seems like this thing is from a Toshiba Satellite laptop. This thing doesn't even have any English documentation - only Japanese.
Dell Lat CP MMX-233 64mb 40gb W2k
600 PII-266 416mb 40gb WXP
T23 PIII 1.13ghz 1gb W7
Precision M4300 X9000 8gb 160gb WUXGA Ultrasharp fp W10
T530i 15.6" i7 16gb fp W10
UXGA:
A30p PIII 1.2 1gb W7 (IDTech)
T43p 2.26 2gb fp W10 (Sharp)
Lat C840 P4-2.5 2gb 60gb W7 (Ultrasharp)

TPFanatic
Senior ThinkPadder
Senior ThinkPadder
Posts: 2824
Joined: Thu Jul 30, 2015 11:29 pm

Re: Sharp LQ150U1LW03 on a 15" T4x anyone?

#2 Post by TPFanatic » Thu Feb 27, 2020 8:42 pm

The older the laptop the more proprietary the parts.

RealBlackStuff
Admin Emeritus
Admin Emeritus
Posts: 24724
Joined: Mon Sep 18, 2006 5:17 am
Location: Loch Garman, Éire

Re: Sharp LQ150U1LW03 on a 15" T4x anyone?

#3 Post by RealBlackStuff » Fri Feb 28, 2020 3:00 am

I'm afraid you bought a wrong screen (xxxW03), should have been: xxxW22 or xxxW22N.
This has been posted on this Forum numerous times, e.g. viewtopic.php?p=837165#p837165
Look at the back of the screen on this link: https://i.ebayimg.com/images/g/RqUAAOSw ... -l1600.jpg
If yours was the same, you need to remove that metal panel with the (Dell) inverter in the left bottom corner.
When you do that, you will also find an "extension cord" (wrapped up there currently) from pink(?)-white to blue-white .
Remove that extension and you will find a "standard" white inverter-connector.

AFAIK the W03 and W13 do not have an EDID.
And there is a W22 Datasheet in English.
Lovely day for a Guinness! (The Real Black Stuff)
But I actually prefer Murphy's from Cork!

kfzhu1229
Senior ThinkPadder
Senior ThinkPadder
Posts: 2659
Joined: Tue Sep 22, 2015 10:59 pm
Location: Toronto, Canada

Re: Sharp LQ150U1LW03 on a 15" T4x anyone?

#4 Post by kfzhu1229 » Sat Feb 29, 2020 12:10 am

RealBlackStuff wrote:
Fri Feb 28, 2020 3:00 am
I'm afraid you bought a wrong screen (xxxW03), should have been: xxxW22 or xxxW22N.
This has been posted on this Forum numerous times, e.g. viewtopic.php?p=837165#p837165
Look at the back of the screen on this link: https://i.ebayimg.com/images/g/RqUAAOSw ... -l1600.jpg
If yours was the same, you need to remove that metal panel with the (Dell) inverter in the left bottom corner.
When you do that, you will also find an "extension cord" (wrapped up there currently) from pink(?)-white to blue-white .
Remove that extension and you will find a "standard" white inverter-connector.

AFAIK the W03 and W13 do not have an EDID.
And there is a W22 Datasheet in English.
Well the W22 screen in your eBay picture is the exact same part that would come out of my Latitude C840 (but mine came with a comparable Samsung one that works just fine too in my T43p).
I have never seen W03 screens mentioned on this forum though.
And mine does have a standard CCFL connector, BUT it is the old kind found in the very early TFT displays:
https://1drv.ms/u/s!At7-rt1KJ7WviPcobxu ... g?e=8rr4Jz
This is what I did to get it working (obviously I put proper heat shrinks and 3M electrical tapes to prevent shorting after this) and tucked that under the inverter.
Also fortunately for me, as a Chinese myself I can read enough Japanese off a manual to know what it is talking about, but the manual made no mention about the specific type of CCFL connector they have used other than saying it is 2 pin.
And I can assure you W03 has no EDID. See the difference between the Japanese manual of W03 and English manual of W22:
https://1drv.ms/u/s!At7-rt1KJ7WviPcqXn6 ... Q?e=lX2Uui
So fortunately I am tucking that screen in a T43p and not a T6x or a Dell Latitude. Both of the latter ones require EDID chip to work properly (Thus also the Latitude C840 uses W22 screen).
But I guess one perk for this W03 screen is that it has significantly better contrast ratio than the W22, at the cost of lower brightness:
https://1drv.ms/u/s!At7-rt1KJ7WviPcrgHZ ... A?e=EVyDDN
Dell Lat CP MMX-233 64mb 40gb W2k
600 PII-266 416mb 40gb WXP
T23 PIII 1.13ghz 1gb W7
Precision M4300 X9000 8gb 160gb WUXGA Ultrasharp fp W10
T530i 15.6" i7 16gb fp W10
UXGA:
A30p PIII 1.2 1gb W7 (IDTech)
T43p 2.26 2gb fp W10 (Sharp)
Lat C840 P4-2.5 2gb 60gb W7 (Ultrasharp)

Post Reply
  • Similar Topics
    Replies
    Views
    Last post

Return to “ThinkPad T40/T41/T42/T43 Series”

Who is online

Users browsing this forum: No registered users and 71 guests