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When installing is impossible
Connect power and I/F cable between
PC and CD-ROM
Y
Does INSTALL message appear?
Y
Is IC301 64PIN 5V when main power
turns on?
Y
Is IC201 95PIN 5V?
Y
Does X301 oscillate?
Y
Do the digital signal of IC301 and IC306
communication pattern change from 0V to
5V?
Y
Do the digital signals of IC301 and IC401
communication pattern change from 0V to
5V?
Y
Is there soldering between the pattern of
IC401 and CN701
Y
Resoldering
N
N
Check main power-end and initial state
N
N
Check soldering of C303, C304
N
Check the soldering of IC402, IC301
and pattern open/short
N
Check the soldering of IC401, IC301
and pattern open/short
N
Check the soldering of Damping
Resister and IC, I/F Wafer
21
Normal
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