..............................................................................
LA-3500
..
2) Servo
Adjustment Item (step)
CD
Tilt balance A
@ Tilt balance B
@ LD focus and tracking gain
® CD focus and tracking gain
@ Confirmation after the adjustment
CD
Tilt balance A
1.
Set
VR001
to center position.
2.
Turn power
ON,
load Test
LD
MTD-04, and playback.
3. Search chapter 3 and set
to
PAUSE
mode.
4.
Instrument
Oscilloscope
X:
5mS/div
Y :
50mV/div
2U-2570
TEO
GND
Adjust
VR001
Semi-fixed resistor.
@Tilt
balance B
1.
Set VR002
to
center position.
2.
Push [SIDE
B]
button and playback B side .
3.
Search chapter 3 and set
to
PAUSE
mode.
Probe
Oscilloscope
10:
1
!-----+-<
:)
: 8
Confirm
~F++
4.
Same as
CD
tilt balance
A,
adjust VR002 so that kick pulse amplitude reads maximum.
Adjust
to
Kick pulse amplitude A
reads maximum.
37