Philips Q552.2E Service Manual page 163

Circuit Diagrams and PWB Layouts
Fan control
Fan Control
B03G
Q552.2E LA 10. EN 163
+12V
+3V3
3US2
3US7
9
1K0
FAN-CTRL1
8
IUT1
+3V3
3US3
11
IUT2
FAN-CTRL2 10
FAN-DRV
+12V
IUS5
5
4
TACH01
+12V
7
TACH02 6
TACHO
2011-Jun-01
+12V
+12V
7US1-1
3
LM339P
U I S 3 U I S 6
3US5-3
14 6 3
10K
7US2
12
BC807-25W
+12V
IUS7
+12V
7US1-2
3
LM339P
IUS4 3US5-4
13 5 4
BC807-25W
7US3
10K
IUS8
12
IUS9
+3V3
+12V
7US1-3
LM339P
2
+12V
7US1-4
LM339P
1
FUS0
back to
div. table
B03G
2 2011-02-01
SPB SSB TV550
3139 123 6519
2K11 4DDR EU SD
19101_036_110504.eps
110504