Special Functions For Maintenance - Yamaha DVD-C996 Service Manual

DVD-C996/DV-C6280
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SPECIAL FUNCTIONS FOR MAINTENANCE

1. Panel microprocessor test mode
How to enter the test mode
1) If the power has been turned on, press the "PLAY" button of the remote controller while pressing the "PAUSE" and "SEARCH
E" buttons on the player.
2) If the power has not been turned on, turn on the power while pressing the "PAUSE" and "SEARCH E" buttons on the
player.
3) The entire display lights up and then the panel program version appears.
4) Select the test mode 1 or 2 by using the OPEN/CLOSE button.
Test mode 1 ("DVD" segment of FL turned off)
No. Player button
1 DISC 1
2 DISC 2
3 DISC 3
4 DISC 4
5 DISC 5
6 SEARCH E
7 SEARCH R
8 SKIP T
9 SKIP Y
10 PLAY
11 PAUSE
12 STOP
TE
L 13942296513
13 PLAYXCHANGE
14 OPEN/CLOSE
Test mode 2 ("DVD" segment of FL turned on)
Not used (Do not use this function as it is not for servicing)
No. Player button
1 DISC 1
2 DISC 2
3 DISC 3
4 DISC 4
5 DISC 5
6 SEARCH E
7 SEARCH R
8 SKIP T
9 SKIP Y
10 PLAY
11 PAUSE
12 STOP
13 PLAYXCHANGE
www
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14 OPEN/CLOSE
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Action
Moves the table to DISC1.
Moves the table to DISC2.
Moves the table to DISC3.
Moves the table to DISC4.
Moves the table to DISC5.
Sets down the clamp.
Sets up the clamp.
Closes the tray.
Opens the tray.
Displays the panel program version.
Returns to the production mode by using the mechanism
simulation mode.
Turns off all FL segments and stops the mechanism.
Moves the table to the home position.
Enters Test mode 2.
Action
Changes the current table parameter to "Braking when making a left turn". The numeric value is displayed as
"BL-xx" on FL.
Changes the current table parameter to "Braking when making a right turn". The numeric value is displayed as
"BR-xx" on FL.
Changes the current table parameter to "Duty when making a left turn at low speed". The numeric value is
displayed as "DL-xx" on FL.
Changes the current table parameter to "Duty when making a right turn at low speed". The numeric value is
displayed as "DR-xx" on FL.
Subtracts 10 from the current table parameter.
Adds 10 from the current table parameter.
Subtracts 1 from the current table parameter.
Adds 1 to the current table parameter.
Tests EEPROM.
Starts the changer mechanism endurance test.
Turns off all FL segments except "DVD" and stops the mechanism.
1. Turns on the flag to enable display of the measured results of the table parameter. (It cannot be turned off
again.) Then displays as "Hxxx Lyyy" in the disc searches degree 14 segment, where;
xxx: Time required to pass the normal speed area (Unit: ms)
x ao
y
yyy: Low speed driving time (Unit: ms)
2. Turn on the flag to disable/enable automatic adjustment of the table.
i
"VCD"=OFF: Automatic adjustment enabled
"VCD"=ON: Automatic adjustment disabled
Enters Test mode 1.
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The tray must be closed and the clamp set down.
Same as above.
Same as above.
Same as above.
Same as above.
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The tray must be closed and the clamp set down.
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Remarks
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