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WIRING-4 (MECHANISM)
59
TEST MODE
1. CD Test Mode
1-1. How to Start Up the CD Test Mode
While pressing the “CD OPEN/CLOSE” button, connect the AC plug to the power outlet.
When the CD test mode is started up, When the CD test mode starts up, all displays turn on.
Note:
When the PANEL, TOP has been removed for each CHAS, GEAR, be sure to short pin-4 and pin-5 of the connector CN3 on
the CD board in order to recognize that the CD lid is closed.
1-2. Releasing the CD Test Mode
Remove the shorting between pin-4 and pin-5 of the connector CN3 on the CD board to return to the original setup.
Then press the POWER button or the FUNCTION button, or remove the AC plug from the power outlet to release the CD test
mode.
1-3. Function Description of the Test Mode
Note:
If the focus search operation is continued for 10 minutes or longer, heating of the driver IC is accumulated to trigger the
protection circuit that will stop operation of the CD system. .Turn off the main power and re-start operation about 10 minutes
later.
2. MD Test Mode
Note:
Remote control unit is used to activate most of the MD TEST mode operations in the XR-MD200. (Only the two buttons are
located in the XR-MD200 that cannot be found in the remote control unit. These two buttons are the “MD EJECT” button that
is used to initiate the MD test mode and the
0
button that is used to enter “REC Analog (digital)”. Therefore, the MD test
mode is described as follows on the premise of using a remote control unit.
2-1. How to Start Up the MD Test Mode
While pressing the “MD EJECT” button, connect the AC plug to the power outlet.
About three seconds later after the MD test mode has started up, the following message appears and the MD test mode becomes
operable.
M D T E S T
MODE
Start mode
Search mode
Play mode
Traverse mode
Sled mode
Operation
Starting up the
test mode
9
2
;
6
5
Indication on display
CD TEST
CD
Track No. and
playing time are
displayed
Track No. and
playing time flash
CD TEST
Function
Continuous focus searching.
The pickup lens repeats the full-
swing up-down motion * Note
Normal playback.
When the TOC reading is not
possible, the same movement as
in the search mode.
Playback PAUSE mode
The pickup moves to the
innermost track
The pickup moves to the
outermost track
Contents
Check APC circuit.
Laser current measurement.
Focus error waveform check.
Focus servo.
Tracking servo.
CLV servo.
Sled servo.
Tracking servo OFF.
Sled servo.
Check operation of the
mechanism.
Summary of Contents for XR-MD200
Page 6: ...6 DISASSEMBLY INSTRUCTIONS 1 Remove the two screws 2 Remove the two screws 1 2 ...
Page 13: ...14 13 BLOCK DIAGRAM IC301 LC866532A ...
Page 14: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 16 15 WIRING 1 POWER AMP AC 230V 50Hz ...
Page 15: ...18 17 SCHEMATIC DIAGRAM 1 POWER AMP Q261 262 MUTE R261 22k R262 22k 220k 220k 1000p 1000p ...
Page 16: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 20 19 WIRING 2 FRONT ...
Page 17: ...22 21 SCHEMATIC DIAGRAM 2 FRONT IC301 LC866532A 5L31 ...
Page 28: ...40 39 BLOCK DIAGRAM 1 CD ...
Page 29: ...42 41 BLOCK DIAGRAM 2 MD TO MAIN C B CN502 TO CD C B CN6 ...
Page 30: ...44 43 WIRING 1 CD 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J CD C B COMPONENT SIDE ...
Page 31: ...46 45 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J TP3 CD C B CONDUCTOR SIDE ...
Page 32: ...48 47 SCHEMATIC DIAGRAM 1 CD 1 2 DTC114TK ...
Page 33: ...50 49 SCHEMATIC DIAGRAM 2 CD 2 2 RESET 5M36 ...
Page 34: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 52 51 WIRING 2 FUNCTION ...
Page 35: ...54 53 SCHEMATIC DIAGRAM 3 FUNCTION ...
Page 59: ...81 IC BA5936 Rog CURRENT DETECTOR TERMINAL IC BA5970FP IC BA6417F ...
Page 60: ...82 IC BD7910FV IC AK4519VF ...
Page 72: ...931196 Printed in Singapore 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 ...