Cd Standard Operation Chart - Yamaha CRX-E300 Service Manual

CRX-E300
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I CD STANDARD OPERATION CHART
Press OPEN/CLOSE key.
Forced feed return operation
Clamp down operation
Press PLAY key or push the tray.
Disc mechanism unit clamped up.
Feed inward switch detect.
Tracking offset auto ADJ
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L 13942296513
Focus offset auto ADJ
Focus gain rough ADJ
Focus search operation
Focus lock servo ON
Spindle motor accelerated.
Tracking servo ON
Spindle servo ON
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Feed servo ON
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POWER ON
Tray open
Load a disc.
Tray closed
Laser ON
Disc scan
VCO lock
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A
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If a disc is not loaded, "No Disc" appears on the FL display.
"01 OPEN" appears on the FL display.
"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 (P.C.B. INPUT IC303, 12 pin) = "L"
Proceeds To Next Step.
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LD (P.C.B. CD IC404, 2 pin) = "L"
FLOCK (P.C.B. CD IC406, 11 pin) = "H" → "L"
TLCOK (P.C.B. CD IC406, 12 pin) = "H" → "L"
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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