Micom (Ic302) Change; P-Ctrl Check - LG MCV902 Service Manual

4. MICOM (IC302) CHANGE

MICOM (IC302)
CHANGE
YES
"P-SENS"
CHECK
YES
"RESET"
IC302
10PIN CHECK(LOW
--> HIGH)
YES
IC302 VDD
(19, 20, 59) PIN
VOLTAGE
CHECK
YES
X301:9.8304MHz,
X302:32.768KHz
VIBRATION SIGNAL
CHECK
YES
IC302 CHANGE

5. P-CTRL CHECK

P-CTRL CHECK
PN304 32PIN
"P-CTRL" CHECK (HIGH)
CN710 5PIN CHECK
SMPS TROUBLESHOOTING CONSULT
P-SENS
NO
TROUBLESHOOTING
CONSULT
NO
Q302, Q303
STATE CHECK
YES
NO
PN304 34PIN
+5.6V (MI) CHECK
YES
NO
X301, X302 CHANGE
YES
YES
YES
NO TR "Q302, Q303"
NO
NO
MICOM IC302 STATE CHECK
NO
SMPS + MAIN BORD-TO-BORD CHECK
3-3
CHANGE
NO
MAIN CN710
6PIN CHECK
SMPS
TROUBLESHOOTI
NG CONSULT