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troubleshooting a remote control device to see whether it is working or functional is easy to carry out.
1. get hold of your mobile handset and switch the camera mode on.
2. with the batteries installed in your remote control device, point the small lens at the top to the camera and view through your mobile handset.
note: remember to press any button on your remote control device at the same time.
1. you ought to be able to see or sight a bright light at the top of your remote control device. this is an indication the remote control device is okay.
2. where no bright light is sighted, you need to replace the remote controller.
DO NOT point the remote control device to your eyes or stare at the lens on top. Infra red is invisible and can cause damage to your eyes please
It may be a lose connector from the main board to the lcd driver board or lcd driver board to lcd panel. Also to check and see if its just a bad back light take a bright light I.E. a flash light or your phones flash light mode if it has one, shine the light vary close to the lcd as to almost touch it and look for a picture. Best done by having a dvd in the player to make sure you can see if the lcd is working. If you can see something distinctively like a video than the back light is out. If there is no picture than it is most likely a lose connector or bad lcd. The odds of getting parts are low. If you find it is a bad back light there are a few mods you can do to put a new back light in. If you are not electronically knowledgeably it my be best to have a friend who has the skills to do so.
You will do best trying what is called a Power Scan this will allow you to scan for all possible codes and try out functions as you go! 1.) Press and hold the clear VCR button (about six seconds) until all mode button backlights come on, then release. 2.) Press 222 pound (#) then record three times. 3.) With the desired equipment on, press and hold the VCR/DVD button until all mode button backlights illuminate (about 3 seconds), then release. 4.) Press and release the Power button. 5.) Press the Up button once a second while pointing the remote at the desired equipment. If the code for the equipment comes up, the equipment will power off. 6.) Press the POUND (#) button. If the code entered is valid for the remote, the mode light flashes three times. To verify the code works try several different functions for that equipment.
if the unit was installed with a handbrake lead properly it will only get picture with handbrake on,try taking that wire off and connect it to a permenant positive like the permanent live to the head unit,so the unit thinks the handbrake is on, or if it wasnt installed properly and that wire is somewhere else like a permenant negative then the unit thinks the handbrake is always off hence no picture while driving,hope this helps :-)
Ok here is a small checklist for you before going into panic mode.
Most combo DVD/VID players will have a button on the face of the unit for switching between DVD & VIDEO, ensure this is set for the correct mode of operation.
AV channel on TV's come in several different modes for multi outlets on the TV itself (ie: it may have more then 1 outlet for AV - rear, side & front on some TV's) ensure you have the correct AV channel selected.
Check the connection configuration in your user manual, there may also be incorrect connection to the TV or Unit itself.
The yellow lead usually is the Video lead ( this is for both modes DVD & VIDEO ), this is the one that is most likely incorrectly connected. Double check where it needs to go. The correct lead & socket should also be yellow if this is the case.
AV in and AV out - Make sure you check both on the TV and the unit for the label AV IN and AV OUT, this is the most common connection error, it should be AV OUT from the unit > AV IN on the TV ( mostly the rear connection points will have this as with the ones on the rear of the unit )
One other possible scenario is that you are not using AV leads ( commonly referred to as RCA Leads ) - you may well be using 5.1 connections ( All in one bundle that connects directly to the back of the unit and also the TV. This usually eliminates connection errors as it has several smaller pins in either end that connect at both ends. It is highly unlikely that these are incorrect in any case. This would most likely only be on the incorrect TV channel selection. Ensure you are on the correct one by cycling the channels with the unit playing either DVD or VIDEO.
There can be other scenarios that will make your life difficult, however i feel in the majority of cases, the ones described above are the most common offenders.
Other then this, perhaps consider having the unit checked by a professional ( to ensure it works normally ) this would confirm if either the unit is faulty and needs repair or the connections are incorrect.
Hope some of this helps, as most of these problems can be solved on the spot with a quick visual, however seeing your current setup is not possible and these tips are the most likely to help. Trust you find it's something simple of this nature.
This could either be an inverter issue, or a backlight issue.
Lamp replacement varies from very easy, seconds, to impossible without returning the entire panel to a service depot.
There are some other possibilities (cables, motherboard problems
controlling the backlight) but they are RARE.
Inverters are relatively cheap (they are not "cheap", but they are still 80% less than a new LCD panel and 75% less than replacement backlight IF you could get it replaced). A new inverter is likely to be in the $50-$75 range.
Any difference when working with batteries as opposed to AC?
If so then it could be related to a power saving setting. But if your screen is completely dark, only visible with a light flashed at the screen, then that's not it.
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