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1-2. PC Board Replacement
1-2-1. Main PC Board
Note:
• Before removing the main PC board (5), be sure to
short-circuit the laser diode output land.
After replacing, open the land as it was after inserting
the flexible cables (1).
1. Remove the top cover. (Refer to item 1-1-1.)
2. Eject the tray. (Refer to item 1-1-4.)
3. Remove five flexible cables (1) and remove one
connector (2).
4. Remove three screws (3). (In case of SD-120, remove
two screws (3).)
5. Remove four screws (4), then remove the main PC
board (5).
Fig. 2-1-7
1-2-2. Power PC board
1. Peel off two tapes (1) and remove the connector (2).
2. Remove four screws (3), then remove the power
supply PC board (4).
Fig. 2-1-8
Connector (2)
Flexible
cable (1)
Flexible
cable (1)
Tray
Flexible
cables (1)
Flexible
cable (1)
Screws (4)
Screws (3)
(SD-220)
Main
PC board (5)
Twist more than 9 times.
Pickup head
Laser diode
output lands
Connector (2)
Connector (2)
Tapes (1)
Power supply
PC board (4)
Screws (3)
Twist more than 9 times.
Summary of Contents for SD-120EB
Page 19: ......
Page 27: ......
Page 49: ......
Page 61: ......
Page 62: ...Others Before Calling Service Personnel Specifications ...
Page 105: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Page 107: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Page 108: ...m Q502 Q501 PUDET2 IC306 Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram ...
Page 110: ...4 4 3 Output RGB Block Diagram Fig 3 4 8 ...
Page 113: ...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 116: ...5 3 2 Main Circuit Diagram Fig 3 5 5 ...
Page 117: ...5 3 2 Main Circuit Diagram ...
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Page 124: ...Fig 3 5 5 ...
Page 126: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 4 Output RGB Circuit Diagram Fig 3 5 7 ...
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