Pioneer DVR-104, Руководство по обслуживанию

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DVR-104
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6.2.5 Focus Position Adjustment
[Procedure]
[DVD-ROM (Single) Adjustment]
• Clamp the DVD-ROM (Single) disc.
"3DT" (Selects DVD-ROM (Single) mode)
"#+9FR " (ACT sensitivity adjustment)
Note: Issue the DVD-ROM (Single) disc only.
"1XN" (Set the CLV normal speed)
"+PL" (Search for address 100000h)
• Connect the jitter meter to RFEQOUT and adjust "+F014
* *
00+FR" command so that the jitter of the both total-T
edges become minimum, and focus position will be changed.
* *
Value to input into Maximum value 3f (+63) +33%
01 ( 1)
Center value 00 ( 0) 0%
7f ( -1)
Minimum value 40 ( -64) -33%
"+FFR" (Store the adjustment value in the nonvolatile memory)
"RJ" (REJECT)
"RS" (RESET)
[DVD-ROM (Dual) Adjustment]
Adjust the layer 0 and layer 1 of DVD-ROM (Dual) disc together.
[Focus Position Adjustment of layer 0]
"4DT" (DVD-ROM Dual mode)
"1XN" (Set the CLV normal speed)
"+PL" (Search for address 100000h)
<adjustment >
[Focus Position Adjustment of layer 1]
"2FC" (Focus Jump UP (layer 0 to layer 1) )
<adjustment >
• Perform the Focus Position Adjustment as same step as in the recorded DVD-R and DVD-RW discs
[CD System Adjustment]
"0DT" (CD-ROM mode)
"+9FR" (ACT sensitivity adjustment)
Note: Issue the CD-ROM disc only.
"+PL" (Search for 20 minutes)
"2000XN" (Set the 2000RPM_CAV mode)
"9FR" (Focus Position automatic adjustment )
if it ends ("R" is returned)
"RJ" (REJECT)
• Perform the Focus Position Adjustment as same step as in the recorded CD-R and CD-RW discs
Connect the total T-jitter meter to
RFEQOUT terminal.
The equalizer of jitter meter is
turned OFF.
Jitter meter setup
DVD: 1 x , CD: 4 x
Playback jitter is minimum.
Player state
PLAY, Tilt servo ON
Adjustment Set the DAC value with the command
location input.
Disc CD-ROM and CD-DA disc (GGV1054)
Recorded CD-R disc (GGV1067)
Recorded CD-RW disc (GGV1066)
DVD-ROM (Dual) disc (GGV1036)
DVD-ROM (Single) disc (GGV1035)
Recorded DVD-R disc (GGV1064)
Recorded DVD-RW disc (GGV1044)
Measurement Instru-
ment connections
Adjustment standard
value
Objective
Symptom when out
of adjustment
To optimize the playback characteristic of the RF signal.
Playback RF waveform is dirty (Playback jitter is defective).
REC/PLAY RF waveform is dirty (REC/PLAY jitter is defective).
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