Table of Contents
Advertisement
CD TEST MODE
QQ
3 7 63 1515 0
1.
Starting Up the CD Test Mode
While pressing the "CD" button, connect the AC plug to the power outlet. When the CD test mode starts up, all
displays turn on.
2.
How to Release the CD Test Mode
To release the CD test mode, press the "POWER" button or the function buttons other than the "CD" button, or
disconnect the AC plug from the power outlet.
3.
Function Description of the Test Mode
MODE
Start mode
Focus search mode
Play mode
Traverse mode
TE
L 13942296513
Sled mode
Note: If the focus search operation is continued for 10 minutes or longer, the driver IC heats up sufficiently to trigger the
protection circuit, which stops the CD system. Turn off the main power and re-start operation about 10 minutes
later.
www
.
http://www.xiaoyu163.com
Indication on
Operation
display
CD key + AC
All indicators light
plug IN
STOP key
CD
PLAY key
Track No. and
playing time
(spectrum analyzer)
PAUSE key
Track No. and
playing time
F.SKIP key
CD TEST
B.SKIP key
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Function and movement
• CD TEST mode starts
• All indicators light
• LD lights
• Continuous focus search
• Continuous spindle motor
kick
• Normal playback
• When TOC reading is not
possible, the focus search
continues
• Tracking servo is turned off
Q Q
3
6 7
1 3
1 5
• The pickup moves to the
innermost track
• The pickup moves to the
outermost track
co
.
15
9 4
2 8
Check item
• Check all indicators light
• Microprocessor
• DATA BUS LINE
• APC circuit
• LASER current
• Check the focus search
waveform
• Check the focus error
waveform
• Focus servo circuit
• DRF output
• Spindle servo line
• Same checks as shown in the
above column
• Each servo circuit
• Check the tracking error
0 5
8
2 9
9 4
2 8
waveform
• Tracking circuit
• Sled circuit
• Mechanism (gear and motor)
m
9 9
9 9
Hide quick links:
Advertisement
Table of Contents
