Philips P&S 22HFL4372D/10 Service Manual page 99

Chassis q552.1he la
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Circuit Diagrams and PWB Layouts
Fan Control
Fan-Control
B03G
1
A
B
C
D
E
F
1
Q552.1HE LA
10.
EN 99
2
3
4
+12V
+3V3
+12V
3
3US7
9
1K0
FAN-CTRL1
8
IUT1
12
+3V3
+12V
11
IUT2
FAN-CTRL2
10
12
FAN-DRV
+12V
IUS5
+12V
5
TACH01
4
+12V
+12V
7
6
TACH02
TACHO
2
3
4
2010-Nov-19
5
6
7
+12V
7US1-1
LM339P
IUS3
IUS6
3US5-3
14
6
3
10K
7US2
BC807-25W
+12V
IUS7
3
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
5
6
7
back to
div. table
2US3 A7
8
9
3US2 A3
3US3 B3
3US4-1 A4
3US4-2 D4
3US4-3 C4
3US4-4 C5
3US5-1 B6
3US5-2 A6
3US5-3 A5
A
3US5-4 B5
3US6 C6
3US7 A4
3US9 B6
7US1-1 A5
7US1-2 B5
7US1-3 C5
7US1-4 D5
7US2 A6
7US3 B6
9US0 D4
B
IUS0 D5
IUS3 A5
IUS4 B5
IUS5 C5
IUS6 A6
IUS7 B7
IUS8 B6
IUS9 B6
IUT1 A4
IUT2 B4
C
D
E
F
8
9
DC/DC
8204 000 8951
B03G
6
2010-03-08
18773_506_100830.eps
100830

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