Alesis E-DRUM TOTAL, Service Manual

Page: 35 / 35

6. Data Memory error
a) Check the power and grand in IC203.
b) Check the signals: IC203.1, IC203.2, IC203.3, IC203.7, the output should be low, the output of
IC203.5 and IC203.6 are high.
c) If above is ok, replace the IC203.
7. USB Jack error
1. Check the welding of USB jack CON203 and L205, L206, L207, L208, L209, R236, R237, R238,
C248, C249, C250, C251
31