4. Confirmation of the RF level
Test point: RF and VC (Vref)
Test disc: TCD-782
Confirm that the RF waveform appears as shown below.
At 0.8 Vp-p or greater
VOLT/DIV: 200mV
TIME/DIV: 0.5us
5. Confirmation of tracking balance
Test point: TE and VC (Vref)
Test disc: TCD-782
Press the DSL button while the test disc is playing and confirm that the traverse waveform is as is shown below.
VC
VOLT/DIV: 200mv
TIME/DIV: 2ms
6. Confirmation of each servo
It is possible to confirm the adjustment value of each servo by repeatedly pressing the MODE button while the test disc is playing. The
switchover sequence is as stated below.
Confirmation mode OFF -> Focus bias (FB) -> Tracking balance (TB) -> Tracking gain (TG) -> Tracking error offset (TEO) -> Focus
gain (FG) -> Focus error offset (FEO) -> Confirmation mode OFF
Example: Tracking error offset (TEO) Adjustment value-> 03
Tracking error offset (TEO) display
Adjustment value
*Adjustment values are displayed in HEX.
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