Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Y
N
Y
Check CVBS Signal
C1007
N
Replace one of
R1151/Q1106/R1149/C1007
& Recheck
Y
Check SIF Signal
C1015
N
Replace CXA2069(IC1102)
& Recheck
Y
Check TP Clock, Data, Sync
R1313/R1305/R1307
N
Re-Download PLD(IC1302) or
Replace it
Y
N
Y
Check Digital TV recording
Follow Digital TV recording fail
trouble shooting
Check 3.3V voltage level
at L1002/L1004
16. Analog TV Recording Fail Trouble Shooting
N
Follow procedure analog TV
video/audio trouble shooting
Check video/audio output
Check CVBS Signal
CXA2069(IC1102) #41 Pin
Replace one of
L507/L518/C510/C549/Q501/Q503
IC503/C1015 & Recheck
N
Replace it
Y
Check 2.6V voltage level
at L820
N
Replace one of
L821/Q804/L820
Y
Check 1.2V voltage level
at
L1000/L1001/L1003/L1005/L1006
N
Replace It
Y
N
Y
Maybe BCM3556(IC100) has some
problems. Replace It.
Maybe IC1000 has some problems.
Replace It.
Reburn or replace IC1303
N
Replace It
Check 54MHz Clock
at X1000
Check Signal Level 5V
at R1022
Содержание 47LH40ED
Страница 61: ...Mar 2009 Printed in Korea P NO MFL58993602 ...