41
DVR-A03
6. ADJUSTMENT
÷
Adjustment Items
Perform the adjustment of this model in the order as shown below.
Adjustment and confirmation of the main unit
6.2 Adjustment
Initial Setting
6.2.1 VCO Free-running Adjustment
[1st PLL Adjustment]
[2nd PLL Adjustment]
6.2.2 Power Adjustment
(1) DVD Power Adjustment
(1.1) Playback Power Adjustment
(1.2) Recording Power Adjustment
[Write Power Low Adjustment]
[Write Power High Adjustment]
[Erase Power APC Low Adjustment]
[Erase Power APC High Adjustment]
[RW Erase Power Low Adjustment]
[RW Erase Power High Adjustment]
(2) CD Power Adjustment
(2.1) Playback Power Adjustment
(2.2) Recording Power Adjustment
[Write Power Low Adjustment]
[Write Power High Adjustment]
[Erase Power Low Adjustment]
[Erase Power High Adjustment]
[Erase Power APC Low Adjustment]
[Erase Power APC High Adjustment]
[RW Erase Power Low Adjustment]
[RW Erase Power High Adjustment]
6.2.3 Radial Tilt Circuit Adjustment
6.2.4 Focus Position Adjustment
[DVD-ROM (Dual) Adjustment]
[Focus Position Adjustment of Layer 0]
[Focus Position Adjustment of Layer 1]
6.2.5 Wobble SPDL Bias Adjustment
6.2.6 Playback Ability Confirmation
6.2.7 Recording Ability Confirmation
÷
Measuring Instruments and Tools
Use disc
• DVD-ROM (Single) disc ............................................ GGV1035
• DVD-ROM (Dual) disc ............................................... GGV1036
• New DVD-R disc. ....................................................... GGV1049
• New DVD-RW disc .................................................... GGV1050
• CD-ROM and CD-DA disc ......................................... GGV1054
• New CD-R disc ........................................................... GGX1011
• New CD-RW disc ....................................................... GGV1053
• Recorded DVD-R disc ............................................... (
)
• Recorded DVD-RW disc ........................................... (
)
• Recorded CD-R disc .................................................. (
)
• Recorded CD-RW disc ............................................... (
)
Measuring instruments
• Digital multimeter
• Oscilloscope (with monitor output)
• Light power meter ..................................... TQ8210 or equivalent
• Jitter meter ............................................ KJM6765S or equivalent
Control
• DOS-V Personal computer (for command transmission : RS-232C
port)
• General-purpose communication software
Others
• Adjustment screwdriver
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