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LD-1100
Test
š
|
Step
Mode
Scope
Seivo
Point
Adi.
Adjustment and Check Details
No.
Range
Loop
Point
|
Ў
Νο.
|
8
PLAY
0.1V /div
TANG
TP-5
VR4
TRACKING
BALANCE
220,000
5ms/div
ол.
Push PLAY key and scan to middle of the disc.
TRKG
With the tracking and tangential servo loops stil!
ол.
opened, adjust V R4 (tracking balance) to where
the tracking error waveform is centered on OV, and
the positive and negative peak amplitudes are same
level.
β
g
Ë καὶ a ا
fa
8'
PLAY
0.1V/div
TRKG
TP-5
VR9
|
TRKG
LOOP
OFFSET
(VWS-025, VWS-022)
сл.
Disconnect TP-8 from GND (TRKG СЛ).
Adjust VR9 to where the tracking error waveform is
centered on OV.
GND
GND
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