Electric Circuit Components - Epson Stylus Pro 7700 Service Manual

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Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

4.4.3 Electric Circuit Components

4.4.3.1 Main Board Assy
Before starting operation, refer to
C H E C K
replacing the Main Board Assy/Power Supply Board Assy"
P O I N T
(Page 171)
.
1.
Remove the Rear Cover.
(p220)
2.
Disconnect the all cables and FFCs from the Main Board Assy.
Be extremely careful not to insert FFCs at an angle in connectors.
C A U T I O N
Doing so may cause serious damage to the terminals inside the
connectors, and it can lead to big trouble of the circuit components.
The connector number that corresponds to the FFC is written on its
surface as shown. Make sure to connect the FFCs to their correct
connectors.
3.
Remove the four screws that secure the Main Board Assy.
A) Silver, Phillips, Bind machine screw M3x6: four pieces
4.
Release the four fasteners, and remove the Main Board Assy.
DISASSEMBLY & ASSEMBLY
"4.1.4 Cautions when
See Figure 4-47.
See Figure 4-48.
Disassembly and Assembly Procedure
CN14 CN23
CN400
CN200
CN20
CN201
CN300
CN500*
CN100
CN101
CN104
CN37
CN3
CN4
CN5 CN202
CN10
CN1
NOTE: CN500 is only for Epson Stylus Pro 7700/7710/7900/7910/WT7900/
WT7910/WT7900/WT7910.
Figure 4-47. Connector locations
Main Board Assy
Figure 4-48. Removing the Main Board Assy
Revision I
CN36
CN19
CN21 CN22
CN301
A
Fastener
Confidential
228

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