Removing Control Boards; Main Board Unit - Epson Stylus PhotoR280 Service Manual

EPSON Stylus Photo R280/R285/R290

4.3 Removing Control Boards

4.3.1 Main Board Unit

Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing
Removal procedure
Main Board Unit removal
1. Disconnect all connectors on the Main Board Unit.
2. Peel off the double-sided tape that secures the Panel FFC to the Holder Frame
and release the Panel FFC. (Fig.4-23
CN3 CN17
CN13 CN14
Figure 4-17. Connector layout of the Main Board
Table 4-5. List of Connectors and their Destinations
CN No.@ Color
P/S Assy
CN3 White
CDR Guide Sensor / CDR Tray Sensor
CN4 White
Panel Board
CN5 FFC
PE Sensor
CN6 White
APG Sensor
CN7 Black
PF Encoder
CN8 FFC
CN10 FFC
CN11 FFC Head FFC
CN12 FFC
PF Motor
CN13 Black
CR Motor
CN14 White
CN15 FFC CSIC Assy
Chapter 4 Disassembly/Assembly
(p.64))
CN6 CN7
Main Board Unit
CN4
CN16
CN12
CN15
CN11
CN10
CN8 CN5
Destination Number of pins
3pin
4pin
8pin
3pin
3pin
5pin
13pin
13pin
9pin
2pin
2pin
13pin
4.3.1 Main Board Unit (Removing Control Boards)
Table 4-5. List of Connectors and their Destinations
CN No.@ Color
PW Sensor / CR Encoder Sensor
CN16 FFC
Cover Open Sensor
CN17 White
3. Peel off the four acetate tapes that secures the following cables on the back of
the Main Board Unit.
Power Supply Cable
•
• CR Motor Cable
• PF Motor Cable
PE Motor Cable
•
APG Sensor Cable
•
Acetate Tape
Figure 4-18. Removing the Main Board Unit (1)
Revision B
Destination Number of pins
6pin
2pin
Main Board Unit
Acetate Tape
61