Repairing Your TV EDID

February 17, 2010 by Caleb Kraft 31 Comments

[Andreas] found that his home theater PC would not boot one day. Oddly, if he disconnected his HDMI cable from his TV, it would boot fine. While most of us would have dug into the PC, he realized that it was a signal from the TV that was incorrect. Luckily, LG had included a full schematic with the TV. What he was able to figure out, using a home made snooper was that the EDID eeproms had somehow become corrupted. Not to worry, [Andreas] slapped together a full blown I2C interface and prepared to reprogram them with the correct data. He noticed, however, that the eeproms were write protected. On a whim, he decided to write to them any way and found that it was successful. He has some theories as to why they were writable, but says that he doesn’t want to pull the TV back apart to confirm.

[thanks evlapix]

LCD Backlight Repair

January 22, 2010 by Mike Szczys 13 Comments

Another broken LCD TV came [Steve DiRaddo’s] way. This one had a broken backlight that he wanted to fix. He scrapped his LCD light table in order use the inverter. The two televisions were not the same size, nor made by the main manufacturer, but backlights all operate under the same principles. Using an inverter from a bit larger model meant it would have enough power to illuminate the lamps but he knew there’d be a problem with connectors and pinouts. After a bit of testing and creative wiring he got the system back up and running.

He’s got some extra parts left over from each TV including a bunch of CCFL lamps. Sound like it’s time to add some ground effects to his bike.

CES: Haier Wireless TV

January 9, 2010 by James Munns 12 Comments

[youtube=http://www.youtube.com/watch?v=qijuE7r2CBk]

We received a couple requests via email to get a look at Haier’s wireless TV. They used both wireless power and WHDI to show off a zero wire concept. Sure, the giant 2001: A Space Odyssey looking monolith behind it is a bit imposing, but for something that could be embedded into a wall, we’re pretty impressed. Wireless power is a big thing here, and we cant wait for hackers to take up the reins and integrate this into some consumer products.

[Nick]- There are a few companies here that are pushing wireless power products, but this definitely one of the cooler implementations that we’ve seen.

CES: 3d Tv, Without Glasses

January 9, 2010 by Caleb Kraft 22 Comments

[youtube=http://www.youtube.com/watch?v=R7eNMCPJe_Q]

We were hoping to get to test drive some of the 3d televisions that don’t need glasses. We had speculated about how they worked, and we were mostly right. It appears to be some type of lens that works similar to those little printed holograms. The strange thing is that we haven’t seen any of these TVs in the big name booths. The few that we have seen are in little booths at the edges. The big names are usually doing the polarized glasses or shutter glasses.

“it was nice not wearing glasses”… yeah, I know, I’m wearing glasses.

Broken TV Brought To Life In LEGO Body

October 31, 2009 by Mike Szczys 21 Comments

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After letting it sit around for about 3 years, [Blake] decided it was time to fix his broken 15″ television. A little trouble shooting showed the problem was with the inverter. The backlight would come on for a few seconds, off for a few seconds, then repeat. By freeing the Magnavox 15MF400T from its metal case he got it working again, but couldn’t find the source of the short. His solution: build a new case out of non-conductive material. Voilà! We have the 15″ LEGO monitor.

It’s not a very complicated LEGO build, but it’s the first case mod we’ve seen in a long time that isn’t strictly gratuitous. Join us after the break for more pictures. Continue reading “Broken TV Brought To Life In LEGO Body” →

Extended IR Input

October 25, 2009 by Jakob Griffith 18 Comments

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We’re not sure why [Roteno] prefers to have his TV and cable boxes not face him when he’s sitting on the couch, but to each their own. You may already see many problems with this setup: discoloration from LCD viewing angle, difficulty playing Wii, oh and most importantly – not being able to change the channel with his IR remote. [Roteno] was lucky enough, however, to have an IR remote input on the back of his cable box. All it took was a 3.5mm jack and a spare IR receiver and he was back in business. Sure it’s not as technical as some of our cable or IR hacks and we would like to see someone try this who doesn’t have as easily accessible IR input on the back of their cable box. But either way, here’s one more step to never having to leave that couch.

Samsung TV Firmware Hacking

October 18, 2009 by Mike Szczys 80 Comments

[Erdem] is leading up the efforts to reverse engineer Samsung TV firmware with a project called SamyGo. Official Samsung firmware uses the Linux kernel, making it a familiar system to work with for many developers. So far they’ve implemented NFS and SAMBA for sharing files over the network, improved playback from USB devices, and unlocked the ability to use non-Samsung WiFi dongles.

In order to make changes to the system, you need to enable a telnet connection on the device. The SamyGo team accomplished this by changing an official version of the firmware in a hex editor to start the telnet daemon at boot time. This altered firmware is then flashed using Samsung’s built in upgrade system. Once telnet is enabled, non-official firmware can be manually flashed.

We’d love to see this project expand to other TV Brands in the future. In fact, we were looking for something like this back in June when we realized that our Sony Bravia runs a Linux kernel and can be updated via USB drive. Be careful if you want to try this out. We can only imagine the fallout after telling your significant other that you bricked a high-priced LCD.