Unit repair - main board – Epson 4003353 User Manual

Page 108

5.4

UNIT REPAIR -

MAIN BOARD

This

the problems related to the main

board

The

table

below provides various symptoms, likely causes, and checkpoints.

checkpoints refer to

waveforms, resistance, and other values to be checked to evaluate the operation of each

component.

Table 5-6. Repair of the

MAIN

5-10

Rev. A