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LG MAX221UB Service Manual

LG MAX221UB
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2-7
3. DISPLAY ERROR CORRECTION FLOW CHART
No Display or Some Display is broken?
Something wrong with the Display?
OK
YES
IC901(56)
YES
NO
Checked the LCD
Driver Vdd?
YES
IC901(60)
NO
Checked the LCD
Driver Ground?
YES
IC901(57), IC401(29)
NO
Checked the LCD
Driver RESET?
YES
IC901(61)
NO
Checked the LCD
Driver OSC?
YES
IC401(23, 24, 25, 29),
CN402(9, 10, 16, 18),
IC901(57, 62, 63, 64)
NO
Checked the LCD
Driver data interface?
YES
IC901(1~55),
LCD, Check the short
NO
Checked the LCD to
LCD Driver line?

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LG MAX221UB Specifications

General IconGeneral
BrandLG
ModelMAX221UB
CategoryReceiver
LanguageEnglish

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