Cd Standard Operation Chart - Yamaha GX-505 Service Manual

GX-505/GX-505VCD

CD STANDARD OPERATION CHART

Press OPEN/CLOSE key.
Forced feed return operation.
Clamp down operation.
Disc table reset.
Tray open.
Tracking Offset auto ADJ. (only POWER ON)
Focus Offset auto ADJ. (only POWER ON)
Load a disc in "DISC 1".
Press PLAY key or push the tray.
Tray closed.
Table rotate.
Disc sensing.
Disc mechanism unit clamped up.
Feed inward switch sensing.
Laser ON.
Disc scan.
FOCUS Gain rough ADJ.
FOCUS Search operation.
FOCUS LOCK servo ON.
Spindle motor accelerated.
TRACKING servo ON.
Disc servo ON
VCO lock.
Tracking Gain rough ADJ.
Tracking Balance ADJ. (only Tray OPEN/CLOSE)
FOCUS BALANCE ADJ.
FOCUS GAIN ADJ.
TRACKING GAIN ADJ.
19
A
"OPEN" appears in the TIME indicator.
"TRV" signal is output until detection of LIMIT switch.
DISC "1" is turned to DM clamp position.
LDON = "H" (IC5, 40 pin)
FLOCK = "H" → "L" (IC8, 8 pin)
TLOCK = "H" → "L" (IC8, 11 pin)