46
DVR-A03
(2.1) Playback Power Adjustment
To optimize the playback power of laser diode (LD).
When a gap is terrible : Player does not playback, track search is impossible
: RF waveform is dirty.
Shine the light emitted from the objective
lens on the light power meter sensor.
STOP
VR104
None needed
"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.
Player state
Adjustment location
Disc
Objective
Measurement Instru-
ment connections
[Procedure]
(2) CD Power Adjustment
• Set the wavelength of the light power meter to 780 nm, and shine the sensor to the objective lens.
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)
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