PG-M15 (serv.man5). Service Manual Part 6 - Schematic diagrams (74-98) - Sharp Projector Service Manual (repair manual). Page 18

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91
6
5
4
3
2
1
A
B 
C
D
E
F
G
H
PG-M15X
PG-M15S
AN-M15T
SCHEMATIC DIAGRAM: THERMAL Unit-2/7 /
SCHEMATISCHEN SCHALTPLANS: THERMO-Einheit-2/7
Ë 
FAN FEEDBACK DETECT / GEBLÄSE-RÜCKFÜHRUNGSERKENNUNG
FAN STATE
 FEEDBACK
RA
RB
RA
RB
8.7~12.2V
Vo = (V+  -   V- ) RA/RB
FAN_ERROR
7
FAN1
7
FAN3
7
FAN2
7
FANPOW4
5
TEMP1
7
+13.1VSBY
+13.1VSBY
R1
3.3K
0603
R2
6.8K
0603
R84
100K
0603
R81
100K
0603
R82
100K
0603
R83
100K
0603
+
-
U20A
L
M
358
3
2
1
8
4
D1
1N4148
2
1
R3
33K
D2
1N4148
2
1
D3
1N4148
2
1
TP
5
TP
7
TP7
5
TP
8
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