2.) No Backlight |
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| Check if the input voltage of inverter part is 16V |
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| OK | NG |
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| Check adapter part | ||||||
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| Check ON/OFF signal |
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| OK | NG |
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| Check Interface board |
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| Check IC801 PIN10=16V |
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| OK | NG |
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| Check ON/OFF circuit |
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Check IC801 PIN5 have triangle wave |
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NG |
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OK | Change IC801 |
Check IC801 PIN8/PIN9 PWM wave
NG
OK
Check Q805/Q806/IC801
Check the output of PT801
OKNG
Change PT801
Check connecter & lamp
40