Service manual

Schematic Diagrams
Thermal & Fan Controller (71-P2970-002A) B - 17
B.Schematic Diagrams
Thermal & Fan Controller
Sheet 16 of 28
Thermal & Fan
Controller
+12V +12V
+3V
+12V +12V
+3V
+3V
+3V
+5V
SB3V
SB3V
FANIN1
Z1612
Z1614
Z1610
Z1611
FANIN2
Z1613
Z1609
FANIN2
FANIN1
Z1605
Z1604
Z1606
Z1603
Z1602
Z1601
Z1608
Z1607
PWMOUT2PWMOUT1
Z1618
Z1617
PWMOUT1
PWMOUT2
PWMOUT1Z1615
Z1616
Z1619
PWMOUT2
CN11
MOLEX 5045-03A_R
SYSTEM FAN
1
2
3
Q11
2SB1198K_R
B
E
C
R157
1K_1206_R
Q13
2N7002_R
D
G
S
R163
4.7K
+
C138
100u/16V_6.3*7_R
R165
10K_R
R155 4.7K_R
Q12
2SB1198K_R
B
E
C
R601 10K
Q50
2N3904
B
E
C
Q49
2N3904_R
B
E
C
Q9
2N3906
B
E
C
R143 0
R134 0
CN9
MOLEX 5045-03A
CPU FAN
1
2
3
Q40
2SB1198K
B
E
C
CA65
0.1u
R141
4.7K
+
C101
100u/16V_6.3*7
R137
10K
R136 4.7K
D22
1N4148_R
CA
Q10
2N7002
D
G
S
C103
3300p
Q8
2SB1198K_R
B
E
C
R139
1K_1206
R142 10K
R140 10K
D19
1N4148
CA
R468 10K
R135 0
CN4
TV-TUNER
1
2
3
4
5
6
7
8
Q48
2N3904
B
E
C C309
3300p
R133
10K
U21
FRC-1394-201_R
1
2
3
4
8
7
6
5
CA119
0.1u
+
CT72
10u/10V_1206
R467
4.7K_R
R455
4.7K
R454 10K
R466 10K_R
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-
R346 0
R345 0
THERMDA[3]
THERMDC[3]
SMBCLK[4,10,14,22]
SMBDATA[4,10,14,22]
SMBALERT# [14]
THERMTRIP#[3,14]
+5V [4,11,12,13,14,17,19,21,22,23,24,25,26,27,28]
+3V [3,4,5,6,11,12,13,14,15,17,19,20,21,22,23,24,26,27,28]
+12V [12,13,17,22,24,25,26,27,28]
USB0+ [15]
USB0- [15]
GPO27[14]
VIDEO-R [24]
VIDEO-L [24]