Philips 32PF1700T/96 Service Manual page 28

28
IMP1.0A LA
d
5.3 Mainboard Fault Finding Tree
LED OK?
Yes
OSD OK?
HDMI OK?
Yes
Component OK?
Yes
PC OK?
Yes
Audio OK?
Yes
S-Video OK?
Yes
CVBS OK?
Yes
TV OK?
No
Check
1.
Check
2.
No
Check
1.
Check
DPMS, +5V_DPMS,
No
Q601
No
Check
+9V_MSP, QC6, QC7,
QC8, QC3, QC4, QC5
Check
U501, U601
No
No
Check U901
No
Check R108, R106, R110, R107
No
Check
R104, R109, L106, L109
Check
TV Tuner, +9V_TUNER
No
R702,R705,Q701,Q702
power +5vs
+5VS, +2.5V_PW, +3.3V_PW, +1.8V_PW
No
No
No
No
Check
1. U601
Check
2. J601 connection
Check
UA1
Check
1. UC1
Check
2. J101, J105
Check
1. UC1
Check
2. k103, J104