SECTION 2
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
SECTION 3
SERVICING DIAGRAMS
1. STANDING PC BOARDS FOR SERVICING
2. CIRCUIT SYMBOLS AND
SUPPLEMENTARY EXPLANATION
2-1. Precautions for Part Replacement
2-2. Solid Resistor Indication
2-3. Capacitance Indication
2-4. Inductor Indication
2-5. Waveform and Voltage Measurement
2-6. When Replaced ROM ICs or Upgraded Firmware
4-1. Overall Block Diagram
4-2. Power Supply Block Diagram
4-3. Front Display, Power Switch Block Diagram
4-4. Main Block Diagrams
4-5. Output Block Diagram
5-1. Power Supply Circuit Diagram
5-2. Front Display, Power Switch Circuit Diagram
5-3. Main Circuit Diagram
5-4. Output Circuit Diagram
5-5. Motor System Circuit Diagrams
6-1. Power Supply PC Board
6-2. Power Switch PC Board
6-3. Main PC Board
6-4. Output PC Board
6-5. Front Display PC Board
CONTENTS
SECTION 1
GENERAL DESCRIPTIONS
MECHANISM PARTS
2-1. Location of Main Parts
2-2. Location of Mechanism Parts
1. REPLACEMENT OF MECHANICAL PARTS
1-1. Cabinet Replacement
1-1-1. Top Cover
1-1-2. Tray Panel
1-1-3. Front Panel
1-1-4. Rear Panel
1-2. PC Board Replacement
1-2-1. Main PC Board
1-2-2. Output PC Board
1-2-3. Power Supply PC board
1-2-4. Front Display and Power SW PC Boards
1-3. Mechanism Parts Replacement
1-3-1. Mechanism Chassis Assembly
1-3-2. Loading Belt
1-3-3. Loading Motor
1-3-4. Pickup Mechanism Assembly
1-3-5. Gear A Assembly, Gear B and
1-3-6. Feed Motor
1-4. Tray Replacement
1-4-1. Tray Removal
1-4-2. Tray Mounting
3-1. Main Circuit
3-1-1. Servo System
3-1-2. Location Diagram of Servo Test Point
SECTION 4
PARTS LIST
SAFETY PRECAUTION
NOTICE
ABBREVIATIONS
1. Integrated Circuit (IC)
2. Capacitor (Cap)
3. Resistor (Res)
4-1. Packing Assembly
4-2. Chassis Assembly
4-3. Mechanism Assembly
Summary of Contents for SD-2050
Page 1: ...DVD VIDEO PLAYER SERVICE MANUAL May 2000 s FILE NO 810 200005 SD 2050 DIGITAL VIDEO ...
Page 5: ...SECTION 1 GENERAL DESCRIPTIONS SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS ...
Page 51: ...47 Others Memo ...
Page 80: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Page 82: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Page 84: ...Fig 3 4 7 4 4 2 Logical System Block Diagram ...
Page 85: ...4 5 Output Block Diagram Fig 3 4 8 ...
Page 88: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 3 5 2 Front Display Power Switch Circuit Diagram ...
Page 95: ...Fig 3 5 5 5 3 2 Main Circuit Diagram ...
Page 96: ...5 3 2 Main Circuit Diagram ...
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Page 103: ...Fig 3 5 5 ...
Page 105: ...Fig 3 5 6 10 1 3 4 A B C D E G 2 5 6 7 8 9 F 11 H 5 4 Output Circuit Diagram ...
Page 115: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 6 6 EU01 Main PC Board Top pattern character symbol ...
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