SECTION 2
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
SECTION 3
SERVICING DIAGRAMS
1. STANDING PC BOARDS FOR SERVICING ......................... 3-1
2. CIRCUIT SYMBOLS AND
SUPPLEMENTARY EXPLANATION ..................................... 3-2
2-1. Precautions for Part Replacement ..................................... 3-2
2-2. Solid Resistor Indication ..................................................... 3-2
2-3. Capacitance Indication ....................................................... 3-2
2-4. Inductor Indication ............................................................. 3-3
2-5. Waveform and Voltage Measurement .............................. 3-3
2-6. Others ................................................................................... 3-3
SCHEMATIC DIAGRAM .......................................................... 3-4
4. BLOCK DIAGRAMS .................................................................. 3-5
4-1. Overall Block Diagram ....................................................... 3-5
4-2. Power Supply Block Diagram ............................................ 3-7
4-3. Front Display, Power Switch Block Diagram ................... 3-8
4-4. Main Block Diagrams ....................................................... 3-11
5. CIRCUIT DIAGRAMS ............................................................. 3-15
5-1. Power Supply Circuit Diagram ........................................ 3-15
5-2. Front Display, Power Switch Circuit Diagram .............. 3-18
5-3. Main Circuit Diagram ...................................................... 3-21
5-4. Motor System Circuit Diagrams ...................................... 3-34
6. PC BOARDS .............................................................................. 3-35
6-1. Power Supply PC Board ................................................... 3-35
6-2. Power Switch PC Board ................................................... 3-36
6-3. Front Display PC Board ................................................... 3-37
6-4. Main PC Board .................................................................. 3-39
CONTENTS
SECTION 1
GENERAL DESCRIPTIONS
1. OPERATING INSTRUCTIONS ................................................ 1-1
2. LOCATION OF MAIN PARTS AND
MECHANISM PARTS ............................................................. 1-24
2-1. Location of Main Parts ..................................................... 1-24
2-2. Location of Mechanism Parts .......................................... 1-25
1. REPLACEMENT OF MECHANICAL PARTS ...................... 2-1
1-1. Cabinet Replacement .......................................................... 2-1
1-1-1. Top Cover ........................................................................ 2-1
1-1-2. Clamper Stay ................................................................... 2-1
1-1-3. Tray Panel ....................................................................... 2-2
1-1-4. Front Panel and Tray ..................................................... 2-3
1-1-5. Rear Panel ........................................................................ 2-3
1-2. PC Board Replacement ....................................................... 2-4
1-2-1. Main PC Board ............................................................... 2-4
1-2-2. Power PC board .............................................................. 2-4
1-2-3. Front PC Board ............................................................... 2-5
1-3. Mechanism Parts ................................................................. 2-5
1-3-1. Mechanism Chassis Assembly ........................................ 2-5
1-3-2. Loading Belt .................................................................... 2-6
1-3-3. Loading Motor ................................................................ 2-6
1-3-4. Sub Chassis (with a pickup mechanism) ....................... 2-7
1-3-5. Pickup Mechanism Assembly ......................................... 2-7
1-3-6. Gear A Assembly, Gear B and
Rack Gear Assembly ....................................................... 2-8
1-3-7. Feed Motor ...................................................................... 2-9
3. TROUBLESHOOTING ............................................................ 1-29
3-1. Main Circuit ....................................................................... 1-29
3-1-1. Servo System .................................................................. 1-29
3-1-2. Location Diagram of Servo Test Point ........................ 1-36
SECTION 4
PARTS LIST
4. EXPLODED VIEWS ................................................................... 4-2
4-1. Packing Assembly ................................................................ 4-2
4-2. Chassis Assembly ................................................................ 4-3
4-3. Mechanism Assembly .......................................................... 4-4
5. PARTS LIST ................................................................................ 4-6
Summary of Contents for SD-1300A
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Page 58: ...m Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram 3 11 3 12 ...
Page 59: ...Fig 3 4 7 4 4 2 Logical System Block Diagram 3 13 3 14 ...
Page 71: ...5 3 2 Main Circuit Diagram Fig 3 5 5 3 29 3 30 3 31 3 32 ...
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