TCL L32F3300 - DC-DC Converter Circuit 1 Troubleshooting; 12 V Output Troubleshooting; 1.1 V and 5 V Output Troubleshooting

DC-DC CONVERTER CIRCUIT 1
CHECK if the 12V
OUTPUT from U100(L114)
1.CHECK if the 24V
INPUT at U100 PIN2?
//LVRSHQFLUFXLW
&&VKRUWFLUFXLW
SRZHUERDUGIDLOXUH
)$,/85(32,17
CHECK if the 1.1V
OUTPUT at U107 (L100)
CHECK if the 12V
INPUT at U107
PIN2
CHECK if the 5V
OUTPUT at U1 PIN2,4
CHECK if the 12V
INPUT at U1 PIN3
///LVRSHQFLUFXLW
&&&LVVKRUWFLUFXLW
,&8
2WKHU9QHW
)$,/85(32,17
/LVRSHQFLUFXLW
&&LVVKRUWFLUFXLW
)$,/85(32,17
/LVRSHQFLUFXLW
&&&LVVKRUWFLUFXLW
,&8
2WKHU9&&.9QHW
)$,/85(32,17
55LVRSHQFLUFXLW
&&LVVKRUWFLUFXLW
)$,/85(32,17
&&LVVKRUWFLUFXLW
,&8
2WKHU781(5B9QHW
)$,/85(32,17
Y
N
Y
N
N
N
Y
N
Y