PIONEER DVR-A03/KB
Manual de Servicio

DVR-A03

Write Power High Adjustment]
"0AW"
Adjust with UP/DN command so that the indication of light power meter becomes 10.7 ± 0.2mW.

"EE"

(Store the adjustment value in the nonvolatile memory)

Selects DVD-RW mode.

[Erase Power APC Low Adjustment]
"5AW"
Adjust with UP/DN command so that the indication of light power meter becomes 5.4 ± 0.1mW.

"EE"

(Store the adjustment value in the nonvolatile memory)

[Erase Power APC High Adjustment]
"4AW"
Adjust with UP/DN command so that the indication of light power meter becomes 10.8 ± 0.1mW.

"EE"

(Store the adjustment value in the nonvolatile memory)

[RW Erase Power Low Adjustment]
"7AW"
Adjust with UP/DN command so that the indication of light power meter becomes 1.07 ± 0.1mW.

"EE"

(Store the adjustment value in the nonvolatile memory)

[RW Erase Power High Adjustment]
"6AW"
Adjust with UP/DN command so that the indication of light power meter becomes 1.13 ± 0.1mW.

"EE"

(Store the adjustment value in the nonvolatile memory)

(2) CD Power Adjustment
� Set the wavelength of the light power meter to 780 nm, and shine the sensor to the objective lens.

(2.1) Playback Power Adjustment
Objective
To optimize the playback power of laser diode (LD).

Symptom when out of adjustment

When a gap is terrible : Player does not playback, track search is impossible When a gap is light : RF waveform is dirty. STOP

Measurement Instru- Shine the light emitted from the objective Player state ment connections lens on the light power meter sensor.
Wavelength 780nm Ave. mode

Adjustment location VR104 Disc
None needed

Adjustment standard Wavelength 780nm, value 1.26 ± 0.03mW (Ave.)

[Procedure]
"1DT" (Selects CD-R mode) "LD" (LD ON)
Adjust VR104 so that the indication of light power meter becomes 1.26 ± 0.03mW.

"LD"

(LD FF)

Note: When confirm the output power once again after the Playback Power Adjustment, if indication of the light power meter is limit of 1.26 ± 0.06mW, there is not a problem.

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