A growing number of families have accepted and installed family cinemas featuring domestic projectors, and many have encountered problems with domestic projectors during their use. I'll give you today a plan
Scenario 1: power failure
Reason: 1. Power plugs are out of power and the power panels are correctly installed。
2. Whether the power lines are connected and whether the power switches are on。
3. To see if the projector's safety line is damaged。
4. The three points identified above are the failure of the power panels inside the machines and the need to replace them。
Motion 2: do not turn on
Reason: 1. Remote controls and body buttons are not open
A. If yes (new machine), check whether the remote control is properly installed with a cell or battery polarity, and double-click the switchboard or replace the decoder or infrared receiver if it is not open。
B. In the case of machines that have been in operation for some time, the availability of remote controls and the non-opening of keys also require the replacement of decoding panels. (infrared receivers are more likely to fail)
2. Remote control and body buttons are not open:
The failure to turn the button on is a failure of the keyboard。
B. The remote control cannot turn on the button, and the operation of the remote control is ineffective when it is on, either because the remote control itself is damaged or because of a malfunction in the machine receiver. The receiver or remote control is replaced. (a simple way to determine whether the remote control was damaged: the use of a mobile phone for the photo function was to open the mobile phone for the camera function, to point the camera of the mobile phone to the transmitter in front of the remote control, to press the button on the remote control, with batteries, and to see white light on the remote control screen indicating that the remote control was good
Event 3: open white screen
Reason: 1. Lines falling between the switchboard and screen. Re-install the line。
2. Faults in the decodering and transfer boards (with a higher probability of deterioration)。
Symptom 4: no projection on the wind winding screen
Reason: 1. Consistency plate bad (replacer)
Light-source light bulbs are broken (for machines that have been used for more than one year)。
3. Light-source light bulbs, constant flow sources, poor or fall-off line contact between power plate and decoder plates (for new machines just received)。
Event 5: automatic shutdown
1. Automatic shutdown of machines at random:
A. The change in the signal light after the automatic shutdown to the red on-board indicates that the decoder boards and the power panels are likely to fail (the size of the decoder boards)。
B. The automatic switch-off indicator is the absence of image projection on the green screen, the problem with the constant-flow source plate and the replacement of the constant-flow panel。
2. Automatic shutdown of machines with regularity at work: see if time switches are set in the machine menu settings
If so, please reset the instructions。
B. If it is not a question of setting up, it is important to see whether other peripheral equipment interferes with each other in the same environment。
Event 6: automatic shutdown of the machine, with no light on the machine, and in a few minutes the light is back on
Reason: 1. Machine overheating protection
A. The wind engine inside the machine is not rotated (replacement of the wind engine will remove malfunctions)。
B. The slow operation of the wind engine may be a decoding panel or wind machine (replacement of the panel or wind machine)。
2. A properly functioning wind machine with automatic shutdown is a temperature control problem and a change in the temperature control。
3. When the projector is installed, especially in rooms with air conditioning, check whether the air conditioner vent is blowing directly to the projector vent。
4. Whether the projector enters and leaves the vents with dust piles of dust, and if so, wash regularly into the vent filter to ensure the projector's heat dispersion。
Event 7: no image, no sound
Reason: 1. Determines whether the projector's signal source corresponds to the signal source you want to access。
2. The correct connection to the projector and signal equipment。
3. Damage to the connection。
4. Image displays are required for the audio output you access. (horn honking)
Event 8: no colour image
1. Poor quality of signal source。
2. Whether the signal source interface of the projector is correctly connected to the output interface of the signal source device. (e. G., the image is colourless by sending the y signal to the av input of the projector。
See if the colour parameter settings in the menu are too low。
Event 9: image colour bias
Reason: 1. 1. See if the " hue " option parameters in the menu parameter settings have been adjusted. The color is the color
Class if the parameter setting is too large or too small causes image colour bias。
2. If the parameters are set correctly or colourly, the decoder or switchboard is replaced。
Event 10: image interference
1. Poor quality of signal source or weak signal。
An excessive length or poor quality of the signal line. (external signal amplifier enhanced signal)
3. Signal lines and other equipment lines are tied together to walk lines. (in the case of interference between lines, where the signal line is too long when the projector is installed, separate lines of better quality shield lines are used to eliminate interference between lines)。
Event 11: fuzzy image
Symptoms: 1. The newly installed machine may have been misfocused. (please rotate the camera to the right and the left)
2. The projection is large or too small and exceeds the projector's projection. The projector was correctly installed according to the machine's physical features in the reference note。
Event 12: the image appears on the ladder
Reason: 1. The image has different sizes and sizes and can be corrected through the machine's ladder correction function. If the ladder correction function of the machine is not able to correct the ladder of the image, the installation of the machine is overridden. (please adjust the projector by reference to the description of the projector installation
2. The difference in the size of the image is due to the fact that the projector's camera is not parallel to the projection scene, and it is sufficient to observe the image in the same size by placing the motive on the right and the right。
Event 13: hdmi no display, no sound, image flash
Reason: 1. The projector did not select the correct signal source input (referendum correct)。
2. The signal source version is too high (lower version of signal test)。
Image flash, possibly poor contact with the high-resolution interface (replacement of input plates)。
4. Hdmi ill-lined or poorly exposed (replaced hdmi)。
Event 14: connection computer displays no signal
Reason: 1. Whether or not the transmitter's signal source is precisely being changed to computer mode。
2. Whether the vga line connecting the projector and the computer is connected。
3. Computer screen resolution and screen refreshing settings are too high (please set at 800x600/60hz).
When you take the laptop, you have to set the display output of the notebook, which is the mode of display of the notebook to which the key "fn f?" is to be switched。
5. All of the above-mentioned 4 points are excluded and a monitor is sought to determine whether the computer has a signal output. The signal output of the computer indicates that the projector has problems, either by replacing the decryption or by entering the panel. On the other hand, we need to see if there is a problem with the computer's graphic card or drive。
Event 15: color bars on the screen, i. E. (blank)
Reason: 1. Switchboard malfunction and replacement of switchboard。
2. The decoder board is broken and the decoder board is replaced。
In the light of 10 years of practical experience in the industry, from a professional point of view, the introduction and expertise of home-based projectors is being promoted and consumer guidance is being provided. If you're going to buy a living room theater, you're welcome to follow the micro-message:
Projector pro
