Test Mode - Aiwa CDC-X527M Service Manual

TEST MODE -2/2

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3. Function of CD Test Mode
MODE Function Key
Start Mode
Load/Unload
Search Mode
Play Mode
Traverse Mode
STOP
Sled Mode
Note 1: • Check Search Mode without inserting any CD.
• To exit Search Mode, insert a CD or press the POWER button to switch off the power.
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L 13942296513
• To protect driver IC, do not continue Search Mode more than 10 minutes.
Note 2: • To exit Play mode, press the POWER button to switch off the power.
Note 3: • To exit Traverse Mode, switch to Play Mode or press the POWER button to switch off the power.
Note 4: • Check Play Mode/Sled Mode movements after inserting a CD.
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Display
All lit.
All lit.
All lit.
TOC READING
Track No,
Play time display
Level display
Track No,
Play time display
All lit.
All lit.
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2 9
8
Movement
CHACKING
Focus search continuous
movement.
PU lens repeats full swings.
(Note 1)
Normal playback
If TOC READ is not available,
the same movement as focus
search is applied. (Note 2)
Playback pause status (Note 3)
Standby status
Pickup moves to the outermost
position.
Pickup moves to the innermost
position.
(Note 4)
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3 6 7 1 3 1 5
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-40-
9 4 2 8
Details
Test mode starts.
All SERVO OFF
LASER ON
VCC ON
APC circuit check
Laser current measurement
Focus error waveform check
Focus servo
Tracking servo
CLV servo
Sled servo
Tracking servo OFF
All servo OFF
Laser ON/OFF
Sled servo
Check mechanism movement.
0 5 8 2 9 9 4 2 8
m
9 9
9 9