Schematic Diagrams
Thermal & Fan Controller (71-L27T0-002) B - 17
B.Sch
e
m
a
tic D
iag
rams
Thermal & Fan Controller
Sheet 16 of 29
Thermal & Fan
Controller
Z1604
Z1614
Z1616
Z1605
R137
10K
CN9
MOLEX 5045-04A
CPU FAN
1
2
3
4
R346
0
+5V
CA354
0.1u
SMBDATA
4,10,14,20,22
Z1606
R136
4.7K
THERMTRIP#
3,14
R134
0
R899
0_R
+12V
R141
4.7K
CA352
0.1u
R454
10K
VIDEO-R
24
R466
10K_R
FANIN2
C309
3300p
+3V
3..6,11..15,17,19..24,26..29
Z1603
GPO27
14
Z1602
C103
3300p
CA353
0.1u
SB3V
R139
1K_1206
THERMDC
3
CN4
TV-TUNER
1
2
3
4
5
6
7
8
Z1617
CA350
0.1u
R601
10K
USB0+
15
Z1612
CA351
0.1u
VIDEO-L
24
PWMOUT2
CA65
0.1u
Q8
AO3409_R
G
D
S
+3V
+12V
R345
0
+
C101
100u/16V_6.3*7
Q9
2N3906
B
E
C
Q10
2N7002
D
G
S
FANIN1
U30
ADT7460
1
2
16
15
3
4
5
6
9
10
13
14
8
11
7
12
SMBCLK
GND
SMBDATA
PWM1
VCC
TACH3
PWM2
TACH1
E1
D2-
D1+
2.5VIN
PWM3
D2+
TACH2
D1-
SMBALERT#
14
Q40
AO3409
G
D
S
Z1618
+
CT72
10u/10V_1206
R455
4.7K
SMBCLK
4,10,14,20,22
SB3V
Z1608
+3V
USB0-
15
R467
4.7K_R
R468
10K
PWMOUT1
R133
10K
+12V
12,13,17,22,24..28
PWMOUT2
Z1607
Z1615
R142
10K
THERMDA
3
CA355
0.1u
R140
10K
Z1620
R135
0
U21
FRC-1394-201_R
1
2
3
4
8
7
6
5
Z1619
Q50
2N3904
B
E
C
+3V
PWMOUT1
PWMOUT1
Q48
2N3904
B
E
C
CA119
0.1u
PWMOUT1
D19
1N4148
C
A
FANIN1
Q49
2N3904_R
B
E
C
SB3V
Z1601
Z1610
+5V
4,11..14,17,19,21..29
R143
0
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