Specifications
Appendix B
Disassembly Procedures Unique to the LQ-570+/1070+
For the
most
part, disassembly of the LQ-570+/1070+ is the same as for the
LQ-
570/1070. For the power supply and control panel, however, there a different
number of screws to remove for the LQ-570+/1070+ than the LQ-570/1070. For your
convenience, this section describes disassembly of the Cl07 MAIN board, power
supply board, and control panel. Refer to Chapter 3 of the
LQ-570/1070 Service
Manual
for other disassembly procedures.
Removing the Cl07 MAIN Board Assembly
1.
Remove
the upper housing assembly. (See Section 3.2.2.2.)
2.
Remove
1 CB
(M3
x 6) screw securing the holding plate for the flat flexible cable
(FFC!)
to
the
main
board shield plate. Then remove the holding plate.
3.
Disconnect the FFC (front and rear head cable) by disconnecting the cables
from
connectors CN6 and CN7 on the main board assembly.
4.
Remove the 3
CBB(C)
(M3
x 10) screws that hold the
main
board shield plate to
the main board assembly, and remove the shield plate.
CBB(C)
(M4X
14) Screw.
-
P
.-a,-
--- --
Right Shield Plate
CBB (M4 X 10) Screw
FFC
Holding Plate
Main
Board Shield
(M3X
6)
SCI
rew
Plate
Cl07 MAIN Board Assembly
CBS(C)
(M3 X 10) Screws
Figure B-IO. Remouing the Main Board Shield Plate
5.
Remove 1 CBB (M4 x 10) screw that holds the right shield plate to the main
board assembly. Remove 1 CBB(C) (M4 x 14) screw that holds the right shield
plate to the lower housing assembly. Then remove the right shield plate.
6.
Remove cables from the following connectors on the main board: CN3 (brown,
12 pins); CN4 (white, 5 pins); CN5 (white, 6 pins); CN8 (yellow, 2 pins);
CN9
7.
(black, 2 pins); CNlO (blue, 2 pins);
CNll
(white, 2 pins); and CN12 (red, 2 pins).
Remove 3
CBB(C)
(M3
x
10)
screws and 1 CB
(M3
x
8)
screw that hold the main
board to the lower case. Then remove the main board.
CAUTION
Both connector
CNll
and CN12 are
2-pin
connectors, so be careful not to
mix
them up when you connect them to the main board:
BLACK WIRE AND WHITE WIRE:
CNll
GRAY WIRES:
CN12
Epson LQ-570+/1 070+
B-15