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Turn the POWER switch off.
Perform power supply problem
:>..:.;N.;:.o_.lholat1on procedures in part 2.3.
Yes
Perfor. system PCB problem
=>----! .. , isolation procedures in part 2.4.
No
Perform LCD problem isolation
~
_ _
~
procedures 1 n part 2.7.
Perform syste. PCB proble.
~..:.;No~_,holat1on
procedures in part 2.4.
Perform system PCB proble.
~_N_o_~,
holat1on procedures in part 2.4.
FIGURE 2-1 Problem Isolation Flowchart
2-2
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