Ic601 (Njw1190) Troublushooting - LG MDV902 Service Manual

9. IC601 (NJW1190) TROUBLUSHOOTING

IC601 (NJW1190) TROUBLUSHOOTING
IC601 24PIN
VOLTAGE INPUT CHECK
IC601
19, 20 SDA, SCA PULSE WAVE
CHECK (VOL UP, DOWN TURN
CHECK)
FUNCTION
INPUT PORT SIGNAL CHECK (NJW1190
TROUBLESHOOTING)
IC601 17, 22PIN WAVE OUTPUT CHECK
IC601 OK
YES
YES
YES
YES
YES
NO
SMPS VOLTAGE CHECK CONSULT
NO
IC302 7,7 2PIN CHECK
IC302 TROUBLESHOOTING
NO
IC601 CHANGE
3-9
YES