EH-TW3500/4500/5500 Disassembly and Assembly CONFIDENTIAL
SEIKO EPSON 73 Revision A
3.3.8.3 DR Board (EH-TW4500/5500 series only)
1. Remove the Lamp. (p.55)
2. Remove the Side Cover L/Side Cover R. (p.57)
3. Remove the Upper Case (assembly). (p.59)
4. Remove the MA Board (assembly). (p.68)
5. Remove the IF Case. (p.71)
6. Remove the MA Board. (p.72)
7. Disconnect all the cables from the DR Board.
Figure 3-23.
Standard Operation Time 13 Min.
DR Board
CN4000
CN3800
CN4200
CN5001
CN5000
CN3000
Reference
Table 3-4. Connector No. and its destination
CN No. Destination CN No. Destination
CN3000
MA Board CN4200 L/V (B) of Optical Engine
CN3800
L/V (R) of Optical Engine CN5000 Auto Iris Motor
CN4000
L/V (G) of Optical Engine CN5001 Auto Iris Sensor