Epson LX-1050+ Service Manual page 72

Troubleshooting
Table 5-5.
Cause
The TA-a filter unit maybe
dead.
The TAMA board maybe
bead.
Table 5-6. The LEDs do Not Operate at All
Cause
Connector CN3 on the TAMA
board may be disconnected.
Control panel may be dead.
The TAMA board maybe
dead.
Table 5-7. The Buttons do Not Operate at All
Connector CN3 on the TAMA
board may be disconnected.
Control panel may be dead.
The TAMA board maybe
dead.
The Printer does Not Operate at
Step Checkpoint
Is
connector
Is the fuse F1 on the TA-a
filter unit blown?
With the power on, are there
output of 26 VAC between
two red wires and 12 VAC
between two blue wire for
I
4
Step
Checkpoint
Is connector CN3 on the
,
2
—
3
—
Step
Checkpoint
, Is connector CN3 on the
2 —
—
3
LX-105O+ Service Manual
All
Finding Solution
Connect CN9 on
Yes
Replace the fuse
Yes
F1 .
Replace the
No
Replace the
—
Finding Solution
Connect CN3 on
Yes
the TAMA board.
Replace the
—
control panel.
Replace the
—
Finding Solution
Connect CN3 on
Yes
the TAMA board.
Replace the
—
control panel.
Replace the
—
board.
Rev. A