Toshiba D-R4SU Service Manual page 4

1. OPERATING INSTRUCTIONS
1. REPLACEMENT OF MECHANICAL PARTS
1-1. Cabinet Replacement
1-1-1. Top Cover
1-1-2. Front Panel
1-1-3. RAM Diver
1-1-4. Rear Panel
1-1-5. Fan
1. CIRCUIT SYMBOLS AND
SUPPLEMENTARY EXPLANATION
1-1. Precautions for Part Replacement
1-2. Solid Resistor Indication
1-3. Capacitance Indication
1-4. Inductor Indication
1-5. Waveform and Voltage Measurement
1-6. Others
2. PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram
4. CIRCUIT DIAGRAMS
4-1. Power Supply Circuit Diagram
4-2. Front Circuit Diagram
4-2-1. Front Jack Circuit Diagram
4-2-2. Front (LED) Circuit Diagram
4-2-2. Front (L) Circuit Diagram
4-2-3. Front (R) Circuit Diagram
SAFETY PRECAUTION
NOTICE
ABBREVIATIONS
CONTENTS
SECTION 1
GENERAL DESCRIPTIONS
SECTION 2
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
SECTION 3
SERVICING DIAGRAMS
SECTION 4
PARTS LIST
2. LOCATION OF MAIN PARTS
2-1. Location of Main Parts
2-2. Location of PC Boards
1-2. PC Board Replacement
1-2-1. Tuner Unit PC Board
1-2-2. Digital PC Board
1-2-3. Mother PC Board
1-2-4. Power PC Board
1-2-5. Front (R), Front (L), Front (LED), and
Front Jack PC Board
2. WIRING CONNECTION DIAGRAM
4-3. Digital Circuit Diagram
4-3-1. Digital 1 Circuit Diagram
4-4. Mother Circuit Diagram
4-4-1. Tuner Circuit Diagram
4-4-2. Timer Circuit Diagram
4-4-3. Audio Circuit Diagram
4-4-4. Video Circuit Diagram
4-3. Tuner Unit Circuit Diagram
5. PC BOARDS
5-1. Front Jack PC Board
5-2. Front (LED) PC Board
5-3. Front (L) PC Board
5-4. Front (R) PC Board
5-5. Tuner Unit PC Board
5-6. Digital PC Board
5-7. Mother PC Board
1. EXPLODED VIEWS
1-1. Packing Assembly
1-2. Chassis Assembly
2. PARTS LIST