PORTABLE DVD PLAYER
SERVICE MANUAL
SD-P2000
FILE NO. 400-200201
PRINTED IN JAPAN, Aug., 2002 S
1. Troubleshooting
1.
No power when turned on.
2.
The initial screen is not displayed on the LCD.
3.
The DVD drive does not work.
4.
The operation of the DVD player stops at initializing display.
5.
Image output stops during the operation.
6.
No sound or abnormal sound comes out from the speakers in the DVD player.
7.
No image or sound comes out from the external output.
8.
No sound comes out from the headphones.
9.
No image or sound is output by external input.
10. The DVD drive does not operate with the battery.
1.1 No power when turned on.
When the power is turned on, and if the LED on the front panel does not light green, check
the following items and repair the defective parts.
(1) Check the power supply cable
If the cable is not the supplied one, replace it with the supplied cable and turn on the
power again.
If the power supply cable is good, the AC adapter may be defective.
If the LED does not light after replacing, check the following items.
(2) Check the AC adapter
If the AC adapter is not the supplied one, replace it with the supplied AC adapter and turn
on the power.
If the AC adapter is good, the power supply boards may be defective.
If the LED does not light after replacing, check the following items.
(3) Check the Power and Play buttons
Press the POWER button or the PLAY button on the DVD player. If the power does not
turn on, check the followings:
* Check the connector of the switch unit in the DVD player.
(If the connection is loose, repair the connection.)
* Replace the switch unit and turn on the power again.
If the LED does not light after replacing, check the following item.
(4) Check the power supply harness (MH32)
Check the connection of the 20-pin harness between the power IF board
(A5A000246010) and the power board (A5A000247010).
If the connection is loose, repair the connection. Then turn on the power again.
If the LED does not light after the repair, check the following items.
(5) Check the power supply IF board
Check the soldered connection for the AC adapter. If a bad or poor solder connection is
found, replace the power supply IF board or PJ1.
If the LED does not light after replacing, check the following item.
(6) Check the power supply board
Replace the power supply board with new one and turn on the power again.
If the LED does not light after replacing, check the following item.
(7) Replace the main board
1.2 The initial screen is not displayed on the LCD.
If the initial screen is not displayed on the LCD, check the following items.
(1) Check the LED on the front
If the LED does not light, proceed to 1.1.
(2) Check the backlight
If the backlight does not light up, separate the DVD player into the top assembly and
bottom assembly, and check the inverter harness MH31, and check the connectors for
defects.
If the connector harness is broken:
Replace the broken harness:
If the connector harness is not broken:
Remove the LCD cover and plate of the LCD unit and check the following:
* Check the connectors of the FL harness, repair connectors.
* If the connectors are good, replace the FL inverter or the LCD.
(3) Check the lighting of LCD
If the LCD does not light, separate the DVD player into the top assembly and bottom
assembly, and check the LCD harness MH33, and check the connectors on the main
board.
If the connector is broken:
Replace the LCD harness or the main board.
If the connector is not broken:
Remove the LCD cover and plate of the LCD unit, and check the connection to the
harness of the LCD unit.
* If a bad connection is found.
Connect the LCD harness to the LCD unit.
* Other than the above
Replace the LCD unit or the main board.
1.3 The DVD drive does not work.
When the DVD drive does not work after the power is turned on, check the following items
and repair or replace the defective parts.
(1) Press the DISC cover switch at the center of the DVD player and turn on the power.
Then check whether or not the optical pick-up lens of the DVD drive lights .
CAUTION: Visible laser radiation when open and interlock defeated. Do not stare into
laser beam.
The optical pick-up lens lights dim:
It is caused by deterioration of the optical pick-up lens. Replace the DVD drive.
The optical pick-up lens does not light:
Check the connectors of the DVD-FFC. Also check the connection to the main
board and to the DVD drive.
* Loose connection is found.
Repair the connection, and then check the operation of the DVD drive again.
* The DVD-FFC is broken.
Replace the DVD-FFC.
* Other than the above
Replace the DVD drive or the main board.
(2) Insert a DVD disk and turn on the power
The DVD drive does not work:
The motor of the DVD drive or the main board is defective. Replace the DVD drive or
the main board.
The DVD drive works but the initializing operation of the optical pick-up lens does
not start (the optical pick-up lens operates twice), or abnormal noise sounds:
The DVD drive is defective. Replace the DVD drive.
1.4 The operation of the DVD player stops at initializing display.
If the DVD player does not work after the initializing screen is displayed, check the indication
on the screen. Then repair the defect according to it.
(1) Insert a DVD disk and close the DISC cover, and turn on the power. Then check the
LCD screen or use an external display.
* The message "Loading" is not displayed or the operation stops at the message
"Loading".
Since the DVD drive or the main board is defective, check in the following order:
1) DVD drive
2) Mother board
* The message "CHECK DISK" is displayed.
Check the DVD disk for fingerprints, dirt, etc.
If the DVD disk is OK, then check the following items:
1) Check the DVD-FFC
If a loose connection, repair the connection.
If it is damaged, replace it with new one.
2) Other than above
For other cases, replace the unit in the following order:
* DVD drive (defective optical pick-up)
* Mother board
1.5 Image output stops during the operation.
If the image output from the media in the DVD player stops during the operation, replace the
DVD drive.
1.6 No sound or abnormal sound comes out from the speakers in the DVD player.
If no sound comes out from the speakers in the DVD player, check the following:
(1) Check for moving images on the LCD screen
Check whether or not the move of image stops in halfway. If it stops, replace the DVD
drive.
(2) Check the operation of the DVD drive
Check whether or not the DVD drive works. If it stops, replace the DVD drive.
(3) Check the connection of the speakers in the LCD unit.
Separate the DVD player into the top assembly and bottom assembly, and then check the
connection of the speaker harnesses to the main board. If a bad connection, repair the
connection.
Other than the above, disassemble the LCD unit and replace the speakers or the main
board.
1.7 No image or sound comes out from the external output.
If any image or sound is output from the TV connected by the external cable, replace the
main board or the connector.
NOTE: Before this test, make sure the drive works.
1.8 No sound comes out from the headphones.
If no sound comes out from the headphones, replace the main board or the connector.
1.9 No image or sound is output by external input.
If any image or sound is output by external input, replace the main board or the connector.
1.10 The DVD drive does not operate with the battery.
(1) Check the operation with a good battery
Install a good battery and make sure the LED lights up orange while the AC adapter is
connected. When the LED does not light up or blinks, check the connection of the battery
harness inside the DVD player. If the connection is loose, repair connection. If the
harness has been connected firmly, replace the main board.
(2) Other than the above, replace the battery.
NOTE:
* For this check, use a battery which is not fully charged (because the LED does not light
when the battery is fully charged.)
* Before this check, make sure other functions work correctly.