AIWA XPV514AHC/AHR
Manual de Servicio

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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