143 lines
4.6 KiB
Markdown
Executable File
143 lines
4.6 KiB
Markdown
Executable File
The Classroom TV is hooked up to various PCs.
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Once we repair'd it by exhaustively testing each LED on the device and
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replacing the broken one.
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## The TV
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The current TV is a 60-inch **Sharp Aquos LC-60LE920UN**.
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Manual is available at
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<http://files.sharpusa.com/Downloads/ForHome/HomeEntertainment/LCDTVs/Manuals/tel_man_LC52_60LE920UN.pdf>
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<https://www.youtube.com/watch?v=rhSiDx5P9s4>
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It should be labeled appropriately for ease of use. There is a remote
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control. If the screen won't come on and the little LED logo at the
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bottom middle blinks instead of coming on solid, reset according to
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instructions on the device.
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Sometimes when there's a problem, it displays a constant small blue box
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which reads **\[K\] 60LE810UN** which the careful reader will note looks
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remarkably like a model number...
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### Resetting the TV
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<http://www.fixya.com/support/t17617780-60_sharp_aquos_power_indicator_flashing>
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POWER LIGHT FLASHES ONE SHORT AND ONE LONG FLASH.
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What is the problem? THE PROBLEM IS THAT ONE OF THE LED's STRIPS IS BAD!
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SHARP AQUOS LC60LE810UN RESET INSTRUCTIONS
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` 1. Plug in TV to electric current First then wait until LED start flashing.`
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` 2. Press Volume DOWN [ - ] HOLD BUTTON.`
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` 3. Press Channel UP [ ^ ] HOLD BUTTON.`
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` 4. Press Power [ (') ] HOLD ALL three buttons until LED stops flashing and then release.`
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This will reset the TV in order to fix the problem.
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THE FIX IS TO REPLACE ONE OF THE LED's. You need to open the back of the
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TV and you will also need to remove the front cover and panel to get to
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the LEDs. The TV will need to be placed facedown and on the backside.
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This is a 2 person job to turn the TV on its sides. Be careful with the
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white computer connectors (wide white strip) at the base of the TV where
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the TV stand sits. You will need to disconnect this in order to get to
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the LED's.
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Once you have the LED's exposed, you will need to unplug one by one by
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placing the new strip next to it until the unit turns on. You will have
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to use the RESET procedure above if the Power lite flashes. The Power
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lite MUST BE ON SOLID - no blinking in order to test the strips. The
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LED's will flash, but still one of them will be burned. Even if you
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stare and all the strip light-up, you will still need to check
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one-by-one!
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Once the TV lights up, your face will also light up with joy! Put
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everything back together and you are set. If you need the complete
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instructions which come from Sharp as to how to disassemble the unit,
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please send me an e-mail to LGTR61@YAHOO.ES. Please note I don't check
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this address daily, so a few days wait may take for you to receive the
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instructions.
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Where can you buy the LED's - try searching Yahoo.com or Google.com for
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resellers.
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SHARP AQUOS LC60LE810UN LCD STRIP INFORMATION
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` LONG STRIP (49 LED's)`
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` FRONT SIDE BACK SIDE RL 94v-0`
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` E329419`
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` 1029`
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` LFa`
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` Sn-Ag-Cu`
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` Ps-1`
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` K4458TP`
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` 4458ZZ`
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` 0921FM`
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` 104863`
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` ee03A`
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` SHORT STRIP (30 LED's)`
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` FRONT SIDE BACK SIDE`
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` RL 94v-0`
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` E329419`
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` 1025 LFa`
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` Sn-Ag-Cu`
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` Ps-1`
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` K4459TP`
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` 4459ZZ`
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` 0714FM`
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` 302213`
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` Mm05A `
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Posted on Dec 11, 2013
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SOURCE:
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No POWER
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How many times does the POWER led flash per second? (Dont worry about
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the OPC).
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` * 1x (steady constant blink) = Lamps or inverters`
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` * 2x = Power Supply`
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` * 3x = Main Unit`
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If i am reading it correctly, looks like the POWER led is flashing 2x,
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which means it is a power supply failure. Either way, your TV needs to
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have a board replaced, there isn't anything you can do to fix it
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yourself. Try locating your local sharp authorized service center to
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repair your TV (1-800-237-4277)
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Posted on Mar 16, 2008
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## The PCs
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### Windows VR box
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(it's grody and uses proprietary poison).
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### Classroom TV
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(highly superior build -- uses Debian Linux, a free software
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distribution, although we have compromised to allow non-free software
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and firmware).
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2018-02-27 21:29 <thossou> something's up with the GPU on the classroom tv what for it won't work
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2018-02-27 21:30 <thossou> but the fans turn
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2018-02-27 21:30 <thossou> http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Sabertooth_X58/e5995_sabertooth_X58.pdf#p55
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## Instructions for use
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### How to remotely control the classroom-tv PC
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(copy from the desktop of classroom PC)
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### How to use VR
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### How to run a videoconference with another space using BBB
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[Category:Room Displays](Category:Room_Displays "wikilink")
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[Category:HacDC Computers](Category:HacDC_Computers "wikilink") |