Table Of Contents
COVER
1 SAFETY PRECAUTIONS
1.1 GENERAL GUIDELINES
1.1.1 LEAKAGE CURRENT COLD CHECK
1.1.2 LEAKAGE CURRENT HOT CHECK (See Figure 1.)
2 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES
3 PRECAUTION OF LASER DIODE
4 HANDLING PRECAUTIONS FOR TRAVERSE DECK
4.1 Handling of optical pickup
4.2 Grounding for electrostatic breakdown prevention
5 Optical Pickup Self-Diagnosis and Replacement Procedure
6 Self-Diagnosis Function and Service Modes
6.1 Service Mode Table
6.2 Self-Diagnosis Function (UHF Display)
6.3 Examples of Repairs Using Error Codes
6.4 Sales Demonstration Lock Function
6.4.1 Setting Method
6.4.2 Release Method
7 Service Tools and Equipment
7.1 Service Tools and Equipment Table
7.2 Storing and Handling Test Discs
8 General Description
8.1 Operating Instructions
9 Assembling and Disassembling the Casing and Checking C.B.A.s
9.1 Disassembly Procedure
9.2 Casing Parts and C.B.A. Positions
9.3 Service Positions
9.4 Disassembling the Top Cover
9.5 Disassembling the Tray
9.6 Disassembling the Front Panel
9.7 Disassembling the Loading Base Unit
9.8 Checking the Module C.B.A.
9.9 Disassembling the Rear Panel
9.10 Checking the Power Supply C.B.A.
9.11 Checking the Mother C.B.A.
9.12 Checking the Front Switch C.B.A.
9.13 Checking the Power Switch C.B.A.
10 Service Precautions
10.1 Initializing the DVD Player
10.1.1 Precautions
10.1.2 Initialization Method
10.2 Handling After Completing Repairs
10.2.1 Method
10.2.2 Precautions
11 Assembling and Disassembling the Optical Pickup (Mechanical Parts)
11.1 Handling the Optical Pickup
11.2 Disassembly Procedure
11.3 Lubricating the Loading Base Unit
11.4 Static Electricity Countermeasures
11.4.1 Static Electricity Countermeasure Methods
11.4.2 Short-circuit the laser diode
11.5 Disassembling the Clamp Base Unit
11.6 Disassembling the Clamper Weight, Clamper Yoke, Magnet and Clamper
11.7 Disassembling the Traverse Unit
11.8 Disassembling the Stepping Motor Unit
11.9 Disassembling the Optical Pickup Unit
11.10 Disassembling the Nut Unit
11.11 Disassembling the Sub-Shaft Preload Spring
11.12 Assembling the Optical Pickup
11.13 Disassembling the Spindle Motor Unit
11.14 Optical Pickup Tilt Adjustment
11.15 Disassembling the Intermediate Chassis
11.16 Disassembling the Vertical cam and Drive gear
11.17 Disassembling the Pulley Gear and Deceleration Gear
11.18 Disassembling the Mechanism Loading C.B.A.
11.19 Lubricating the Optical Pickup and Peripheral Parts
12 Electrical Adjustment
12.1 Video Output (Luminance Signal) Adjustment
12.2 Video Output (Chrominance Signal) Adjustment
13 Abbreviations
14 VOLTAGE CHART
14.1 POWER SUPPLY C.B.A.
14.2 MODULE C.B.A.
14.3 MOTHER C.B.A.
15 BLOCK DIAGRAM
15.1 OVERALL BLOCK DIAGRAM
15.2 SERVO BLOCK DIAGRAM
15.3 VIDEO BLOCK DIAGRAM
15.4 AUDIO BLOCK DIAGRAM
16 SCHEMATIC DIAGRAM
16.1 INTERCONNECTION SCHEMATIC DIAGRAM
16.2 POWER SUPPLY SCHEMATIC DIAGRAM
16.3 ADSC SECTION (MODULE C.B.A. (1/7)) SCHEMATIC DIAGRAM
16.4 AV DECORDER SECTION (MODULE C.B.A. (2/7)) SCHEMATIC DIAGRAM
16.5 VIDEO D/A CONVERTER SECTION (MODULE C.B.A. (3/7)) SCHEMATIC DIAGRAM
16.6 AUDIO SECTION (MODULE C.B.A. (4/7)) SCHEMATIC DIAGRAM
16.7 FEP SECTION (MODULE C.B.A. (5/7)) SCHEMATIC DIAGRAM
16.8 CPU SECTION (MODULE C.B.A. (6/7)) SCHEMATIC DIAGRAM
16.9 ODC SECTION (MODULE C.B.A. (7/7)) SCHEMATIC DIAGRAM
16.10 VIDEO OUT SECTION (MOTHER C.B.A. (1/3)) SCHEMATIC DIAGRAM
16.11 AUDIO OUT SECTION (MOTHER C.B.A. (2/3)) SCHEMATIC DIAGRAM
16.12 OPERATION SECTION (MOTHER C.B.A. (3/3)) SCHEMATIC DIAGRAM
16.13 FRONT SWITCH AND POWER SWITCH SCHEMATIC DIAGRAM
17 CIRCUIT BOARD ASSEMBLY
17.1 POWER SUPPLY C.B.A.
17.2 MODULE C.B.A. (1/2) (COMPONENT SIDE)
17.3 MODULE C.B.A. (2/2) (FOIL SIDE)
17.4 MODULE C.B.A. AND MOTHER C.B.A. ADDRESS INFORMATION
17.5 MOTHER C.B.A.
17.6 FRONT SWITCH C.B.A. AND POWER SWITCH C.B.A.
18 EXPLODED VIEWS
18.1 Casing Parts& Mechanism Section Exploded View
18.2 Loading Mechanism Section
18.3 Traverse Section Exploded View
18.4 Packing& Accessories Section Exploded View
19 REPLACEMENT PARTS LIST
19.1 Casing Parts& Mechanism Section Parts List
19.2 Loading Mechanism Section Parts List
19.3 Traverse Section Parts List
19.4 Packing& Accessories Section Parts List
19.5 Electrical Replacement Parts List