Philips Q552.2E Service Manual page 119

Circuit Diagrams and PWB Layouts
Fan control
Fan control
B03G
Q552.2E LA 10. EN 119
+12V
+3V3
+12V
3US2
3
3US7
9
1K0
FAN-CTRL1
8
IUT1
12
+3V3
+12V
3US3
3
11
IUT2
FAN-CTRL2 10
12
FAN-DRV
+12V
IUS5
+12V
5
4
TACH01
+12V
+12V
7
TACH02 6
TACHO
back to
2011-Jun-01
div. table
+12V
7US1-1
LM339P
IUS3 IUS6
3US5-3
14 6 3
10K
7US2
BC807-25W
+12V
IUS7
7US1-2
LM339P
IUS4
3US5-4
13 5 4
BC807-25W
7US3
10K
IUS8
IUS9
+3V3
7US1-3
LM339P
2
7US1-4
LM339P
1
IUS0
B03G
4 2010-12-10
SPB SSB TV550
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2K11 4DDR EU
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