LG LM-U2350A - MICOM AND P-CTRL CHECKS

- 2-2 -
MICOM (IC301) CHECK
P-CTRL CHECK
"P-SENS" CHECK
"RESET" IC304 11 PIN CHECK
(HIGH
➞ LOW ➞ HIGH)
X301 VIBRATION SIGNAL CHECK
IC301 CHANGE
PN302 33 PIN "P-CTRL" CHECK (HIGH)
CN710 5 PIN CHECK
SMPS TROUBLESHOOTING CONSULT
IC304 VDD(17,46,72,90) PIN VOLTAGE
CHECK
P-SENS TROUBLESHOOTING CONSULT
Q303 STATE CHECK
TR "Q303" CHANGE
SMPS TROUBLESHOOTING CONSULT
MICOM IC304 STATE CHECK
SMPS + MAIN BORD-TO-BORD CHECK
MAIN CN710 6 PIN CHECK
PN302 35 PIN +5.6V(MI) CHECK
X301 CHANGE
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
YES
YES