Hisense HX32N2170WTS Service Manual page 61

4. Power supply Trouble
1、Check CD13 for 5V
2、check CL7 for 3.3V
3、check CD16 for 1.1V_VDDC
1、Check CD2 for 12V
OK
OK
1、check CD24 for 1.5V
OK
1、POWER ON and
Check CM4 for 5V
2、Check C82 for
+3.3V_M
NG
1、 Check power supply
1、check the circuit of UD1；
NG
2、check the circuit of UL1.
3、check the circuit of UD2.
NG
1、check the circuit of UD3.
NG
1、check the circuit of QM3;
2、check the circuit of U6.