Sharp DV-NC55U Service Manual page 39

Vcr/dvd combination model
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From (1)
"3" Key input
DYNMIC TEST
30000000 00000000
"1" Key input
LASER TEST
30000001 000000DD
LASER TEST
30000001 000000CD
LASER TEST
30000001 00000000
"2" Key input
STEP TEST
30000001 00000000
STEP TEST
30000200 00000000
STEP TEST
30000201 00000000
STEP TEST
30000202 00000000
STEP TEST
30000203 00000000
STEP TEST
30000204 00000000
STEP TEST
30000205 00000000
STEP TEST
DD000210 00000000
STEP TEST
DD000211 00000000
STEP TEST END
DD000212 ~~~~~~~~
To (2)
(~~~~~~~~ is a sector ID)
Laser test mode
The tray opens, the DVD laser is lit,
spinning is performed and the sled moves to the outer periphery.
"1" Key input
The DVD laser goes out, the CD laser is lit, spinning is performed,
and the sled moves to the outer periphery.
"1" Key input
The DVD and CD lasers go out,
spinning is performed and the sled moves to the outer periphery.
"1" Key input
Step execution mode
Load a disc after the tray is opened.
"Open/Close" Key input
Focus on
"Playback" Key input
RF gain adjustment, Track on
"Playback" Key input
Focus gain adjustment
"Playback" Key input
Track gain adjustment
"Playback" Key input
Focus balance adjustment
(DVD operation)
In case of 2-layer DVD,
adjust the focus balance,
the RF gain and the focus
gain of the layer 0.
Control data lead
"Playback" Key input
Following playback state
39
(CD operation)
STEP TEST END
CD000210 ~~~~~~~~
(~~~~~~~~ is a SUB-Q)
DV-NC55U/C/M
Following playback
state after reading TOC.

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