1 Powering Up of the Main Unit 52 Before Repair and Adjustment 63 Protection Circuitry 64 Safety Precautions 74.1. General Guidelines 75 Handling the Lead-free Solder 85.1. About lead free solder (PbF) 86 Prevention of Electro Static Discharge (ESD) toElectrostatically Sensitive (ES) Devices 97 Accessories 108 Precaution of Laser Diode 118.1. Cautions to be taken during replacement of optical pickup119 Optical Pickup Self-Diagnosis and Replacement Procedure(DVD Section) 139.1. Self-diagnosis 1310 Self-Diagnosis Function and Service Mode 1410.1. Self-Diagnosis Function (VTR Section) 1410.2. Self-Diagnosis Function (DVD Section) 1810.3. Mode Table 2110.4. Lock Function 2310.5. Cautions To Be Taken During Servicing 2311 CHECKING POINTS FOR SYS COM TIMER MY-COM (IC6001)(VIDEO) 2411.1. Points to check when replacing 2411.2. Initial setting when replacing My-com. 2411.3. Initial figure (#) setting procedure 2412 Adjustment Procedure (DVD Section) 2612.1. Required Tools and Equipment 2612.2. Necessity of Adjustment 2612.3. Storing and Handling Test Discs 2612.4. Optical Adjustment (Optical Pickup Tilt Adjustment) 2613 Operation Procedure 2914 Disc information 3115 About HighMAT 3315.1. What HighMAT? 3315.2. Why take advantage of HighMAT? 3315.3. Benefits of HighMAT? 3416 Assembling and Disassembling 3716.1. Disassembly flow chart 3716.2. P.C.B. Positions 3816.3. Disassembly of Top Panel 3916.4. Disassembly of Front Panel 3916.5. Disassembly of VTR Mecha Unit 4016.6. Disassembly of DVD Mecha Unit 41CONTENTS Page Page3SA-HT833VP