01 - dvd maintenance

7/29/2019 01 - DVD Maintenance

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Kod Kertas EE-010-3/M01/NO.1 Mukasurat 1 daripada 6

Modul 01 - Kertas Penerangan Cawangan Pembangunan Kurikulum 2009 (Versi 1)

INSTITUT KEMAHIRAN BELIA NEGARAKEMENTERIAN BELIA DAN SUKAN MALAYSIA

KERTAS PENERANGAN

KURSUS JURUTEKNIK ELEKTRONIK AUDIO VIDEO

TAHAP TIGA

DUTI 07.00 PERFORM PREVENTIVE MAINTENANCE

TASK 07.04 CARRY OUT DVD PLAYER PREVENTIVE MAINTENANCE

OBJEKTIF

PENCAPAIAN

PIAWAI

CARRY OUT DVD PLAYER PREVENTIVE MAINTENANCE

USING MULTIMETER, HANDTOOLS, ALIGNMENT INDICATORS

TOOLS, MAINTENACE SCHEDULE, MANUALS AND RECORD

SO THAT PREVENTIVE MAINTENANCE SCHEDULE OBTAINEDAND EXECUTED, FUNCTIONALITY TEST CONDUCTED AND

MAINTENANCE RECORD UPDATED IN ACCORDANCE WITH

ESTABLISHED PROCEDURES

TAJUK PERFORM MAINTENANCE ON DVD PLAYER

TUJUAN KERTAS PENERANGAN INI AKAN MENERANGKAN

1. CARA-CARA MELAKUKAN PENYENGGARAAN DVD


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PENERANGAN :

Although DVD players may look like their CD-playing cousins, they're run on a verydifferent kind of optical technology. And thanks to the audio and video demands of movies, they'realso more complicated to set up.

NO POWER

1. Check if the power cord has been properly connected to the power outlet.

2. Check if the main power has been switched on.(player's power supply transformer could be burned out)

SCREEN IS "FROZEN" OR COMPLETELY BLACK, OR POWER BUTTON DOES NOT

WORK

1. Try turning the power off and wait 3 seconds before turning it on again (the Powerbutton is on

the front panel).

2. Make sure the TV and VCR (if connected) are set to the correct channel or line.

DOES NOT PLAY DISC

1. No disc. Load a disc into the tray.

2. Disc has been loaded upside down. Place the disc with the label side up.

3. Disc region code does not match region code of the player.

4. Disc type is not the correct type to play.

5. Disc is damaged or dirty. Clean the disc or try another.

6. Moisture may be condensed inside the unit. Remove the disc and the leave the power on forone or two hours.

NO SOUND

1. Check if the TV and Amplifier (if connected) is turned on and set correctly.

2. Check if the TV, DVD player and Amplifier are connected properly.

3. Make sure the TV, DVD player and Amplifier volume are not set to Mute.

4. There will be no sound output during Reverse Play / Pause / Step / Slow / Search.

5. If the DTS soundtrack is enabled in the DVD Disc Menu, but you are using Stereo Analogaudio, the sound will not work. Try switching the soundtrack to Dolby 5.1 or PCM mode in theDisc Menu.


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VOLUME TOO HIGH

1. Set TV to medium loudness; adjust volume with remote.

NO SURROUND SOUND

1. If digital output has been applied, enter the Setup menu, Playerand select proper setting

under the Digital Audio section.

2. Turn on the active loudspeakers.

NO SOUND OR NOISE WHILE PLAYING MP3 DISC

1. When program files or other data files are mixed together with MP3 files in the same disc, theymay play the non-MP3 with noise or no sound.

2. Check the disc to see which files are MP3.

3. Skip the file or try another file.

ALTERNATIVE AUDIO SOUNDTRACK OR SUBTITLE CANNOT BE SELECTED

1. An alternative language cannot be selected with discs that contain only one language.

2. Some discs are programmed such that the Audio orSubtitle button cannot be used to select

an alternative audio soundtrack or subtitle. Try selecting it from the DVD menu.

ANGLE CANNOT BE CHANGED1. This function is dependent on software availability. Even if a disc has a number of angles

recorded, these angles may be recorded at specific scenes only.

CANNOT SKIP OR SEARCH

1. Some discs are programmed such that they do not allow users to Skip orSearch forward at

some sections, especially at the WARNING section in the beginning.

2. Single chapter discs cannot apply the Skip function.

NO PICTURE

1. Make sure all power cords are connected.

2. Try pressing the enter/play key.

3. Make sure the TV is turned on and the input is set properly.

4. Make sure the TV source is set properly on the TV (This is probably done on the screen; Checkyour TV manual).


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PICTURE NOISE / DISTORTION

1. Disc is dirty or damaged. Clean the disc or try another disc.

2. Reset the color system of the player or the TV set.

3. Try a direct connection from the DVD player to the TV set, instead of via other components.

PICTURE NOT FULL SCREEN

1. EnterSetup and then Playermenu to select the correct screen format.

2. Select the screen format from the DVD disc menu or press zoom key.

TV DISPLAYS ONLY STATIC OR "SNOW" ON SOME CHANNELS

1. Perform Channel Scan (select Setup, then TV) to skip channels that don't broadcast in your

area (You cannot perform Channel Scan if you have a cable box).

TV DISPLAYS ONLY STATIC OR "SNOW" ON EVERY CHANNEL

1. Make sure connections are correct.

2. Make sure the TV is set to proper input source.

3. Select Setup, then TV to perform the Channel Scan.

TV SHOWS PICTURE ON ONLY ONE CHANNEL1. Make sure your VCR and/or cable box are tuned to the output channel (3 or 4) of the cable or

satellite box.

UNABLE TO ACCESS ALL TV CHANNELS FROM MY CABLE BOX

1. You can only tune in to your cable channels on Channel 3 and you may have to use the remotefor your cable box to select program channels.

VIEWING RESOLUTION IS POOR IN DIM MOVIE/TV SCENES

1. Apart from the RCA connections, try to disconnect any other video output cable from theconnectors (e.g. S-Video) on the DVD player; or/and

2. If there are other RCA inputs on the TV, you may try to connect the video and audio output tothem.

REMOTE DOES NOT WORK

1. Make sure no objects obstruct the line of sight between the remote and player.

2. The remote may need new batteries.


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CANNOT ENTER MENU SELECTION

1. Use the arrow keys to select option and then activate by pressing the Enterkey.

WHAT PARTS, MATERIALS, AND TOOLS DO I NEED?

You can find replacement parts through the DVD manufacturer or through an aftermarketsupplier such as an electronic store. Check the owner's manual. Tools and materials you may needinclude these:

Screwdrivers

Canned air or soft brush

Foam swab or camera-lens tissue

White lithium grease

Lens cleaner fluid

Clean cloth

DVD/CD cleaning fluid or denatured alcohol

Multimeter

WHAT ARE THE STEPS TO FIXING IT?

Clean a DVD disc:

1. Hold the disc by its central hub and outside edge.

2. Blow dust from the bottom surface with a can of compressed air.

3. Clean dirt and fingerprints from the bottom surface with a lint-free cloth dampened withCD/DVD-cleaning fluid or denatured alcohol, wiping from the center outward.

SERVICE A DVD PLAYER DISC TRAY

1. Open the housing by removing mounting screws and anything blocking the tray. Press theopen/close control to the extend tray, then unplug the unit. To remove a clip-on tray front, bracethe tray and slide the panel to one side.

2. Unplug cables between the front panel and the interior. Remove any sc rews securing the frontpanel and remove the panel. If it won't move, check beneath it for clips or additional screws.

3. Remove the hold-down on top of the disc tray and gently pull the tray out of the player. Cleanthe travel rail and guides with a swab dampened with denatured alcohol. Lubricate lightly withwhite lithium grease.

4. Remove the drive belt (using gloves or tweezers) to inspect for dirt, water, or damage. Cleanwith a lint-free cloth moistened with denatured alcohol. If the belt is damaged, replace it.


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SERVICE A DVD TRAY MOTOR:

1. Unplug the player and test the motorwith a multimeter.

2. Unplug the motor plug and spray it with electrical contact cleaner, then plug it back in.

3. To remove the motor, unscrew or depress the end of each bale and lift out the motor. Replacethe motor if necessary.

CLEAN THE OBJECTIVE LENS:

1. Remove the housing and lift the hold-down clamp to expose the lens.

2. Remove dust with canned air or soft brush. If needed, use a foam swab or a camera-lenstissue dampened with lens fluid.
http://www.fixitclub.com/Parts_Components/Motor.shtmlhttp://www.fixitclub.com/Fix-It_Basics/05Electrical_Tests.shtmlhttp://www.fixitclub.com/Fix-It_Basics/05Electrical_Tests.shtmlhttp://www.fixitclub.com/Parts_Components/Motor.shtml

01 - dvd maintenance

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