TEST MODE
1. How to Start the CD Test Mode*1 ...... When the focus search keeps running for 10 minutes or longer continuously, the driver IC heats up, and the protective circuit works
so that the machine may stops operating.
In this case, turn off the main power, wait for a while and restart the machine.While pressing the CD function key, connect the AC power plug to wall outlet.
The test mode starts up and OCD TEST� appears on the display.
*2 ...... Do not keep pressing the FF or RWD button while the pickup is located at the innermost or outermost circumference because the
2. How to Exit the CD Test Modegear can be damaged as the sled motor keeps rotating.
Press the POWER button or disconnect the AC power plug from wall outlet.
* When any function key other than PLAY is pressed during playback, the test mode is canceled.
4. Automatic Adjustment Result Display
3. Function and Use of the CD Test ModeThe automatic adjustment values of the focus and the tracking can be displayed.
How to enter the4-1. Automatic Adjustment Result Display of Focus Offset Cancel/Gain
NOMODEDisplayOperationCheck item
mode1) Enter the start mode (all indicators turn on).
2) Press the TAPE button to display OF**� and set each of the adjustment item to either ON or OFF. (Refer to the following
1Start modeAll indicators turnY All FL all ndicators turn onY FL check
table.)
onY Microprocessor check3) Press the PLAY button to play back the CD.
4) Press the CD button.
2Search modeSTOP buttonCDY LD turns on all the timeY APC circuit check
5) The automatic adjustment value OF** **� is displayed. (Refer to the following table.)
Y Focus search continuosY Laser current measurement6) Upon completion of check, press the CD button twice to return to the play mode.
operation*1Y Focus search waveform
Automatic adjustment value display
Y Spindle motor continuoscheckAdjustment item (ON = 1, OFF = 0)
(Asterisk * means hexadecimal display.)
kickY Focus error waveform check
FOFFSETGAINFOFFSETNGAIN
(Ignores DRF during search
F00FNot displayedNot displayedNot displayed
mode)
F11F**Not displayed**
3Play modePLAY buttonNormalY Normal playbackY Each servo circuit is checked
F10F**Not displayedNot displayed
Y Focus search is continued ifY DRF check
F01FNot displayedNot displayed**
failed in TOC READ.
4Traverse modePAUSE buttonNormalY Tracking servo OFF/ONY Tracking balance check
Repeats OFF/ON every time4-2. Automatic Adjustment Result Display of Tracking Offset Cancel/Balance/Gain
1) Enter the start mode (all indicators turn on).
the PAUSE button is
2) Press the AUX button to display OT***� and set each adjustment item to either ON or OFF. (Refer to the following table.)
3) Press the PLAY button to play back the CD.pressed
5Sled modeFF buttonCD TESTY Moves PU to innerY Sled circuit check4) Press the CD button twice.
5) The automatic adjustment value OF******� is displayed. (Refer to the following table.)
circumferenceY*2Tracking circuit check
6) Upon completion of check, press the CD button to return to the play mode.
Kicks the lens to innerY Mechanism operation check
circumference at the sameY PU checkAutomatic adjustment value display
Adjustment item (ON = 1, OFF = 0)
time(Asterisk * means hexadecimal display.)
RWD buttonCD TESTY Moves PU to outerTOFFSETBALANCEGAINTOFFSETBALANCEGAIN
circumference*2T000TNot displayedNot displayedNot displayed
Kicks the lens to outerT111T******
circumference at the sameT110T****Not displayed
timeT101T**Not displayed**
6Spindle modeTAPE RECAll indicators turnY Pressing the button onceY Spindle circuit checkT100T**Not displayedNot displayed
buttononrotates the spindle motor inY Spindle motor checkT011TNot displayed****
the normal direction (roughT010TNot displayed**Not displayed
speed). Pressing the buttonT001TNot displayedNot displayed**
again rotates it in the reverse
direction. Pressing it again
stops the motor
7RF AGC modeTUNER buttonAGC ON/OFFY Repeats ON/OFF every timeY PU good or defective check
the TUNER button isY RF AMP circuit check
pressed
1314 |
ACEC
