LG XV-BD212 Service Manual page 102

BCM7633 F/E LOADER PART
COMPONENT REPAIR GUIDE
1. ABNORMAL MD OPERATION ................................................................................................................. 4-2
2. "ALL BD DISC" READING ERROR .......................................................................................................... 4-3
3. "ALL DVD DISC" READING ERROR ....................................................................................................... 4-4
4. "ALL CD DISC" READING ERROR .......................................................................................................... 4-5
5. ABNORMAL SERVO OPERATION .......................................................................................................... 4-6
HOW TO USE THE SA RESET FUNCTION
1. SA RESET PURPOSE .............................................................................................................................. 4-7
2. REQUIRED SA RESET ............................................................................................................................ 4-7
3. SA RESET PROCEDURE ........................................................................................................................ 4-7
MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION
1. BCM7633 .................................................................................................................................................. 4-9
2. DRIVE IC (R2A30209SP) : SPINDLE MOTOR AND 6CH ACTUATOR DRIVER .................................. 4-12
3. PICK-UP CONNECTOR TERMINAL PIN ASSIGNMENTS (LTH-A12) .................................................. 4-14
BLOCK DIAGRAM
.................................................................................................................................... 4-15
SECTION 4
CONTENTS
............................................................................................................... 4-2
....................................................................................... 4-7
4-1
...................................... 4-9