Cd Test Mode - Aiwa XR-EC10 Service Manual

CD TEST MODE -1/1

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1. How to Start the CD Test Mode
While pressing the CD OPEN/PAUSE button, insert the AC plug to the power outlet.
When the test mode is started, the message [CD TEST] is displayed.
2. How to Exit the CD Test Mode
Press the POWER button, push other FUNCTION button or disconnect the AC plug.
3. Function Descriptions and Application of the CD Test Mode
No Mode Operation
1 Start mode
2 Search STOP
mode button
3 Play mode PLAY/
PAUSE
button
4 Traverse PLAY/
mode PAUSE
TE
L 13942296513
button
5 Sled mode FF button
RWD button
6 Spindle SET button
mode
*1: The driver IC heats up and the protection circuit starts working when the focus search is continued for 10 minutes or longer.
There can be a case that operations can not be performed correctly.
In such a case, turn off the main power. After cooling down the machine, restart the machine.
*2: After the focus search is executed three times, the gain is changed to the CD-RW gain from the fourth time.
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*3: Be careful not to damage the gear because the sled motor rotates while the FF or RWD button is being pressed even if the
pick-up is located in the innermost track or the outermost track.
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Display
All indicators light • All FL indicators light
READING
• LD illuminates all the time
• Focus search continuous
operations *1,*2
• Spindle motor continuous kick
Normal • Normal playback
• If TOC cannot be read, focus
search is continued
• The CLV error is ignored.
Normal • Tracking servo OFF/ON
• Each time PAUSE button is
pressed, the tracking servo
repeats turning OFF/ON
CD TEST • Pickup moves to the inner
circumference *3
At the same time, lens kicks to
the inner circumference
CD TEST • Pickup moves to the outer
circumference *3
At the same time, lens kicks to
the outer circumference
All indicators light
• The spindle motor rotates
forward (rough speed) by
pressing the button and
rotates backward by pressing
one more time and stops by
pressing again
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8
Function
• FL check
• Microprocessor check
• APC circuit check
• Laser current measurement
• Focus search waveform check
• Focus error waveform check
• Each servo circuit is checked
• DRF check
• RF waveform check
• Tracking balance check
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3 6 7 1 3 1 5
• Sled circuit check
• Tracking circuit check
• Mechanism operation check
• Pickup check
• Spindle circuit
• Spindle motor
co
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-60-
9 4 2 8
Checking item
(DRF in the search mode is
ignored)
0 5 8 2 9 9 4 2 8
m
9 9
9 9