Adjustment - Pioneer PDR-509 Service Manual

PDR-509

6. ADJUSTMENT

6.1 DISCS TO BE USED
1. When adjusting the servo system adjustment
CD : Test disc for adjustment (STD-903 or equivalent)
6.2 MEASURING INSTRUMENTS
(1) Laser Power Meter
Following power meter manufactured by Advantest Corporation
or equivalent :
TQ8210 + TQ82017
TQ8215 + TQ82021
TQ8215 + TQ82010 + TQ82017
LE8010 (by LEADER)
(2) Oscilloscope
(3) CD Jitter Meter
6.3 TEST MODE
6.3.1 Test Mode
For adjustment, set the unit to Test mode. To enter Test mode, turn
on the unit with the Test Mode Short-Circuit pattern on the
OPERATING Assy. In Test mode, all the displays (FL, LEDs) on
the unit should be lit. If not, turn the power off and repeat the same
steps again.
OPERATING ASSY
SIDE B
Fig. 1 Enter the Test mode
52
6.3.2 Operations in Test Mode
In Test mode, the following adjustment functions are assigned to
the buttons, as explained below.
INPUT
SELECTOR
ERASE button
Switching CD, CD-R
and CD-RW
FINALIZE button
Focus in
INPUT
SELECTOR
Short-circuit
AUTO/MANUAL
button
Mode switch
Fig.3 During adjustment of servo system
LED for confirmation of
LD emission
MONITOR TIME
ERASE button
Switching CD, CD-R and CD-RW
Fig.2 During adjustment of LD power
(Input selector: analog)
0
DIGITAL
OPEN/CLOSE
SYNCHRO
button
button
Open/Close Average
MONITOR TIME
1, ¡
buttons
Sled move
3 (PLAY) button
Spindle kick
(Input selector: optical)
¶ (RECORD) and
• (REC MUTE)
buttons
LD emitting
DIGITAL ANALOG
REC LEVEL REC LEVEL
REPEAT
7 (STOP) button
LD not emitting
DIGITAL REC
LEVEL
4, ¢ knob
Adjustment
DIGITAL ANALOG
REC LEVEL REC LEVEL
REPEAT
7 (STOP) button
Stop
8 (PAUSE) button
Tracking close