Cd Test Mode - Aiwa SX-M510 Y Service Manual

CD TEST MODE

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3 7 63 1515 0
1. How to Active CD Test Mode
While pressing the CD function button, insert the AC plug to the outlet.
When the test mode starts, all indicators in the display will light.
2. How to Cancel CD Test Mode
Press other function button or power button, or disconnect the AC plug.
3. CD Test Mode functions
No MODE
Operation
1 Start mode
2
Search
mode
3
Play mode
4
Traverse
mode
TE
L 13942296513
5 Sled mode
* Note 1: The driver IC (IC501) 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 cannot be preformed correctly.
In such a case, turn off the main power. After cooling down, restart the unit.
* Note 2: When checking the lens operation by eye, slightly open the CD cover by hand: The search mode will be released
if the CD cover is opened by pressing the OPEN button.
4. Overview of Operation
The each mode can be operated one after another using each button in the order that is shown by arrow
mark in the illustration from the Start mode.
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FL display
All light
CD LD lights
Continuous focus search *1 *2
Normal
Normal playback
time
If TOC cannot be read, focus search
display
of 2 is continued
(spectrum
analyzer)
Normal
Turning off/on repeats each time
time
tracking servo OFF/ON
display
is pressed
Pickup moves to the outermost
CD TEST
track *3
(00 00 00)
Pickup moves to the innermost
track (normal)
Start mode
All display lights
Search mode
Play mode
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Operation
Q Q
3 6 7 1 3
Traverse mode
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-12-
2 9 9 4 2 8
Checking item
FL item
Microprocessor
APC circuit
Laser current
Focus search waveform
Focus error waveform
(FOK and FZC are not
monitored inthe search mode)
Focus servo
Tracking servo
Sled servo
Spindle servo
FOK
RF waveform
Tracking servo
Traverse waveform
Sled circuit
1 5 0 5 8 2 9 9 4
Mechanism
m
co
9 9
2 8 9 9