Press OPEN/CLOSE key.
Forced feed return operation
Clamp down operation
Tray open
Tracking offset auto ADJ
Focus offset auto ADJ
Load a disc.
Press PLAY key or push the tray.
Tray closed
Disc mechanism unit clamped up.
Feed inward switch research.
Laser ON
Disc scan
Focus gain rough ADJ
Focus search operation
Focus lock servo ON
Spindle motor accelerated.
Tracking servo ON
Spindle servo ON
Feed servo ON
“ OPEN ” appears in the indicator.
“TRV” signal is output until detection of LIMIT switch.
Stop after detection of LOADING switch.
Proceeds to next step after detection of LOADING switch.
if FLSW = L, (IC103, 21 pin)
Proceeds To Next Step.
LSON = “L” (IC101, 2 pin)
FLOCK = “H” → “L” (IC102, 11 pin)
TLOCK = “H” → “L” (IC102, 12 pin)
POWER ON
If a disc is not loaded, “– –:– –” appears in the time indicator.
VCO lock
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