Epson LQ 1050 - B/W Dot-matrix Printer - Circuit Board Removal; PEGX Board Removal

REV.-A
4.2.4 Circuit Board Removal
This printer includes two circuit boards: the
PEGX controller circuit board and PEBFIL-11 filter circuit
board.
CAUTION
Electricity leaks when you put the
PEGX board on the electric-conductor materials. The lithium battery
on the
PEGX board always supply DC voltage to the static-RAM.
4.2.4.1
Step 1:
Step 2:
Step 3:
Step 4:
PEGX Board Removal
Remove the upper case (Refer to Section 4.2. 1.).
Remove the push tractor unit (Refer to Section 4.2.3.).
Disconnect connector
CN3 which connects the power transformer.
Disconnect connectors CN4, CN5, CN6, CN7, CN8, CN9, and CN 10, which connect the printer
mechanism.
CN3
CN6
CN7
‘Lithium Battery
CN5
CN4
CN8 CN9
CN 10
Figure 4-10. Connectors Removal
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