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3-6
3-6-1 Skew Adjustment Method
Needed to minimize the variations in Skew of the Pickup unit and to provide optimum match with the recorded
signal on the Disc.
signal on the Disc.
1) Adjustment Spec. and Test Point (Test Disc: TDV-533 (P/N: J-6090-135-A), TDV-525 (P/N: J-6090-136-A))
3-6 Skew and RF SUM Level Adjustment Method
Test
LD
Test Disc
Adjustment Spec.
Test Point
Remarks
Envelope Wave
-
TDV-533
Flat Waveform
See Fig. 3-8
See Scope Waveform
Chapter 14
(Optimum Skew Adjustment)
RF SUM Level
-
TDV-525 Disc
1.7V +/- 0.2V
See Fig. 3-7
See Scope Waveform
Fig. 3-7 Location of Test Point (Main PCB - Top View)
<Table 3-2 >
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