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CD TEST MODE
QQ
3 7 63 1515 0
1. Starting CD Test Mode
Insert the AC plug while pressing and holding down the CD OPEN/CLOSE button.
When the test mode is activated, the display appears “TEST”.
2. Exiting CD Test Mode
Press the POWER button or unplug the AC plug.
3. CD Test Mode Buttons and Functions
No
Mode
Buttons
1
Start Mode
2
Search Mode
STOP button
3
Play Mode
PLAY button
4
Traverse Mode PAUSE button NORMAL
5
Sled Mode
FF button
TE
L 13942296513
FWD button
6
Spindle Mode
REC/REC
MUTE button
*1
When the focus search mode is repeated more than 10 minutes, the driver IC may generate heat, activating the protection
circuit to stop operation. In this case, turn off the power, leave the unit for a while, and then, restart.
*2
When the pickup is positioned at the innermost track or the outermost track, and the FF button and the RWD button are
pressed down, the sled motor rotates. Therefore, observe gear to avoid damage.
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Display
All lit.
• All FL lit.
READING
• LD continuously lit.
• Continuous focus search *1
• Spindle motor continuous kick
NORMAL
• Normal playback
• Focus search continued if
• Tracking servo OFF/ON
CD TEST
• PU moves the inner track *2, and
CD TEST
• PU moves to the outer track *2,
All lit.
• When the button is pressed at
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2 9
8
Operation
TOC READ is unavailable.
OFF/ON repeated every time the
PAUSE button is pressed.
Q Q
lens is kicked to the inner track.
3
6 7
1 3
1 5
and lens is kicked to the outer
track.
first, spindle motor rotates in the
FWD direction (at rough speed).
At the second press, the direction
is reversed. At the third press, the
mode stops.
co
.
– 32 –
9 4
2 8
Details
• FL check
• Microcomputer check
• APC circuit check
• Laser current electricity
measurement
• Focus search waveform check
• Focus error waveform check
(DRF is ignored during search
mode.)
• Servo circuits check
• DRF check
• Tracking balance check
• Sled circuit check
• Tracking circuit check
0 5
8
2 9
9 4
2 8
• Mechanism function check
• PU check
• Spindle circuit check
• Spindle motor check
m
9 9
9 9
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