3B
Not available to LCD Lighting control?
YES
Checked the Dimmer
control input?
YES
Checked the
White LED Vdd?
YES
Checked the
White LED?
YES
OK
NO
NO
IC301(4), Q302, IC402(49)
NO
LCS Series : LD991, LD992
LCF Series : LD990~LD993
2-9
CN302(7), IC301(9)