PD-F1009
46
4
2
Grating Adjustment
Oscilloscope
DC Mode
V: 20mV/div
H: 5mSec/div
Player
START
TP1
(CN201)
TE
VC
Locate null.
Counterclockwise, Maximum amplitude.
39k
Ω
0.001
µ
F
Prove (10:1)
GND
Low pass filter
MAIN BOARD ASSY
Test mode
SPDL servo
FOCUS servo
TRKG servo
=
=
=
CLOSE
CLOSE
OPEN
TEST DISC
Innermost
circumference
(1 TRK)
PLAY
Turn counterclockwise
from null.
PICKUP
1
GND
Player
TP1
(CN201)
RFDC
VC
START
Probe (10:1)
Oscilloscope
AC Mode
V: 20mV/div
H: 200nSec/div
NG
OK (Smooth)
Eye pattern
Pickup
1
Radial/
2
Tangential Direction Tilt Adjustment
MAIN BOARD ASSY
Test mode
SPDL servo
FOCUS servo
TRKG servo
=
=
CLOSE
CLOSE
CLOSE
4
Remove lock tight.
TEST DISC
1
2
2
1
6.2.3 Electrical Adjustment
1
2
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