`17Y LED 28Pin Power Board Diagnostic method
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▶ Check power board voltage.
▶ Fix the LCD MODEL switch to 20V.(Smart JIG)
▶ Disconnect the Main Board 28Pin Power Cable connector.
▶ Connect the 28Pin Power Cable connector
to the Muitl Gender JIG 28Pin connector
▶ When the OK LED(24V,12V) turns on, Power Board is normal.
▶ When the NG LED turns on, the Power Board
can be judged as defective.
A21 (19/19)
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