PD-F1009
47
1
1
4
RF Level Adjustment
VR155
1.0VP-P
±
0.1V
Oscilloscope
AC Mode
V: 50mV/div
H: 10mSec/div
START
TP1
(CN201)
Player
RFDC
VC
GND
Prove (10:1)
MAIN BOARD ASSY
MAIN BOARD ASSY
Test mode
SPDL servo
FOCUS servo
TRKG servo
=
=
=
CLOSE
CLOSE
CLOSE
TEST DISC
PLAY
Innermost
circumference
(1 TRK)
3
4
Disc Detection Adjustment
Digital multimeter
GND
(Under Base)
VOLUME
Board Assy
VR601
KN601
Connection Diagram for Adjustment
Connect all equipment as shown in the diagram.
2.
Turn on the power (Normal mode) and put the test disc in the No. 1 disc slot.
3.
Rotate the Jog Dial to select "DISC 1".
4.
Press the "ENTER" button . (Disc 1 is clamped.)
5.
Adjust VR601 on the VOLUME Board Assy so that the voltage becomes 860
±
5mV.
( Adjust so that the free play value is 860mV
±
5mV at the low point )
6. Check the free piay vaiue at the high point.
If it is higher than 1500mV, re-adjust low value 840mV
±
5mV.
If it is lower than 1000mV, re-adjust low value 880mV
±
5mV.
7.
Take off at the Digital Multi Meter.
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