Yokogawa µR20000 - Manual (Page 70)

SM 04P01B01-01E 7-5
Replacing Parts
7
Joint PCB [Item 6 on pages 6-4 and 6-14]
1. Remove the internal unit.
2. Remove the CPU Assembly.
3. Remove the cable and the FPC (Flexible Printed Circuit) connected to the Joint
PCB.
Removing the FPC
Release the cable lock of the connector and remove the FPC. When
reassembling, be sure to lock the FPC after reattaching it.
Cable Lock
FPC
Lift the cable lock.
Remove the FPC.
4. Remove the two screws securing the Joint PCB.
Joint PCB
Connecting the Joint PCB Connector
• Pen Model
Connector Connects to
CN1 Pen CPU Assembly
CN2 X Motor Assembly (Plotter X motor)
CN3 Motor Assembly (Chart paper feed motor)
CN4 Chartend Assembly (/F1 option)
CN5 Pen Driver PCB
CN6 Pen Driver PCB
CN7 Display Assembly
CN8 Carriage Assembly (Plotter carriage)
• Dot Model
Connector Connects to
CN1 Dot10 CPU Assembly
CN2 Motor Assembly (Chart paper feed motor)
CN3 Chartend Assembly (/F1 option)
CN4 Dot Driver PCB
CN5 Display Assembly
7.3 Disassembly