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FL Section
Flowchart No.3
FL tube does not light Yes Is about 5V applied to F101? Yes Is about -24V applied to CL004? Yes No Is 5V applied to IC101 43pin? Yes Does the IC101 5pin oscillate? No Replace the IC101. If not effective, replace the FL board. Replace the FL-MAIN FFC. If not effective, replace the Main board. Yes Check the wiring between FL tube and IC101. If OK, replace the IC101. If not effective, replace the FL board. Check the 5V line on FL board. No Check the FL tube DD converter peripheral circuits. If faulty, replace the FL board. No Go to �FL tube switch periphery check�
5-16
Yes Are the pulses input to IC101 7, 8, 9 pins? No
