Initial Sled Motor Drive 41
Initial Sled Movement 41
Home Position Detection 45
Laser Servo 47
KHM-220A DVD Optical Block 49
DVD Focus 49
CD Focus 49
Three Laser Beams from One Laser 50
Photo Detectors 51
Disc Identification 53
Operation 53
SACD Disc Type 53
Focus 55
Search 55
Servo 55
Focus Drive 57
Focus Search Communications 57
Spindle Motor 61
Kick Mode 61
CLV PB Mode 63
Tracking Servo 65
Tracking Counting in Pause or Picture Jump 65
Sled Motor Drive - PB 67
Following the Track 59
Tilt Servo 69
Operation 69
Manually Driving the Tilt Motor 71
A/V Processing Block 73
A/V Processing 75
Test Mode 81
Test Mode Access 81
Tests 81
Additional Test Mode 83
Self-Diagnostic Function (Customer Error Codes) 83
Troubleshooting 85
General Problems and Troubleshooting Guide 85