Pioneer PDR-509 Service Manual page 55

6.5 ADJUSTMENT 2 (SERVO SYSTEM ADJUSTMENT)
For servo adjustment, set the INPUT SELECTOR to OPTICAL.
INPUT
MONITOR
SELECTOR
Use the DIGITAL REC LEVEL Knob to make the adjustments.
DIGITAL
REC LEVEL
To register an adjustment, press the DIGITAL REC LEVEL Knob.
DIGITAL
REC LEVEL
To reset the adjusted values to the initial settings, press and hold the
MONITOR button for 4 seconds.
INPUT
MONITOR
SELECTOR
6.5.1 Focus Offset Adjustment
Test Point CN102 - pin 6 (FE)
DIGITAL REC LEVEL knob
Adjustment Point
Adjustment Value
Symptom when out of
adjustment
[Procedure]
(1) Press the AUTO/MANUAL button until "01 F4" appears on the FL display.
(2) Adjust with the DIGITAL REC LEVEL knob until the value for Pin 6 of CN102 is 0 mV ± 10 mV.
(3) Press the DIGITAL REC LEVEL knob to register the adjustment.
Once the adjustment is registered with the DIGITAL REC LEVEL knob, "?" on the FL display will disappear.
FE
10 : 1
VC
10:1 probe
0 mV ± 10 mV
The model does not focus-in
Oscilloscope
CD-R CORE ASSY
Fig. 6 Adjustment points
PDR-509
CN102
6
1
1 : RF
2 : VC
3 : MPP
4 : TE
5 : VC
6 : FE
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