| There are many reasons you could be having | | | | No audio accompanied by a pink screen is usually |
| problems with your LCD TV. The thing to remember is | | | | indicative of a DDC communication problem. What's |
| that these things are microprocessor based, just like | | | | that mean for you? To check this, power up the |
| your computer. That means that at the first sign of | | | | system while all the HDMI cables are connected. If |
| trouble you should do the same thing you do with your | | | | possible, try using shorter cables. Here you need to |
| computer; reboot it! That's right, if your LCD TV is | | | | see if the system works at all. If for some reason the |
| dead ir unresponsive, turn it off with the remote or | | | | system still fails to come on, try using different inputs. |
| power button, wait about 10 seconds, then unplug it | | | | You may find that your cable box will work and your |
| from the wall. After about 1 minute, plug the power | | | | DVD may not or vice versa. This can happen |
| back in and turn the TV on again. With any luck, your | | | | because of stray capacitance on the DDC line inside |
| TV is now fixed. The next thing that causes problems | | | | the HDMI cable. This may actually be caused by the |
| with all new TVs, not just LCDs is the HDMI | | | | hardware itself. If you think it may be, try getting a |
| connection. | | | | DDC line conditioner. Normally, these types of problems |
| You see, HDMI is a fantastic way to get high definition | | | | completely go away when conditioning is introduced. |
| video, but it's so good that the content providers were | | | | Problem 3: Sparkles in the Picture |
| worried their stuff would end up out on the Internet in | | | | This is normally a video data transmission problem. |
| pure form, easy to copy and distribute. To prevent | | | | Typically data transmission problems with HDMI are |
| such an occurrence, a copy protection scheme called | | | | cable related. It could be that the cable is |
| High Density Copy Protection (HDCP) was developed. | | | | underperforming due to its length. This is especially |
| This is an electronic data handshake system where | | | | common with cheap cables. Remember the HDMI |
| the source and display devices have to recognize | | | | spec says cable length should not exceed 10 meters. |
| each other and agree that it's okay to send video. If | | | | Shortening the cable should improve the signal integrity. |
| there is no handshake, or the process gets corrupted | | | | Another possibility in this situation is a bad connector. |
| in some way, poof, no more video. This problem was | | | | HDMI connectors are notoriously fickle anyway.Try a |
| extremely prevalent in the early days of HDMI, but has | | | | new cable at each position along the signal path. |
| been steadily improving since about the end of 2007 | | | | Symptom 4: Picture Comes On, Then Goes Off |
| or early 2008. | | | | Typically, this is caused by one of two things. The first |
| If you are having problems with your TV, it may | | | | is when one or more of the video TMDS channels has |
| actually be an HDMI related issue. Here are some of | | | | a high bit error rate or is not working at all. Next is |
| the problems you might encounter. | | | | when the DDC line doesn't quite make it. In that case, |
| Problem 1: No Picture | | | | the HDCP is not getting a new refresh key. Buy a in a |
| If you see, or rather don't see this, then shut everything | | | | better quality cable with larger wire. When it comes to |
| down and then restart the system. Make sure all the | | | | wire gauge, smaller gauge equals bigger wire diameter. |
| connections are in place first. Look at the screen. If | | | | Hence 20 gauge is larger diameter than 24 gauge. |
| you see a resolution notice chances are the DDC line | | | | If you're having LCD TV problems, check these things |
| has communicated between source and sink. Good | | | | before you call a TV repair company. In many cases |
| news for you! The problem is likely video related. | | | | you can easily fix the problem yourself without |
| Problem 2: Flashes, No Audio, Pink Screen | | | | spending a fortune. |