Schematic Diagrams

B - 30 Fan Control and SpeedStep (71-D40U0-D03)

B.Schematic Diagrams

Fan Control and SpeedStep

+5V
+3V
+5V
+5V
+3VS
+3VS
+5VS
+1.8VS
+3V
+3V
+3V
+3V
+5V
+3V
+3V
+3V
+5V
+5V
+3V
FAN1-ON24
CPUSTP# 4,15
H_DPSLP# 2,36
VGATE15
VR_PWRGD36
PWRGD 9,15
PSON#15,28
PSON28,40
H8BEEP24
FAN_SEN24
FAN3_SEN27
FAN2-ON24
PCBEEP15
SPKROUT19
LBP 26
FAN2_SEN27
FAN2-ON24
FAN1-ON24
FAN4_SEN27
FAN1-ON
H_DPSLP#
CPUSTP#
VGATE PM_GATEM
PWRGD
PSON#
VR_PWRGD
VR_PWRGD
PWRGD
PSON
PM_GATEM
H8BEEP
FAN_SEN
FAN2-ON
FAN3_SEN
PCBEEP
SPKROUT
H8_BEEP
H8_BEEP
FAN2-ON
FAN_VCC
FAN2_SEN
FAN_VCC_3
FAN1-ON
FAN4_SEN
FAN_VCC
FAN_VCC_4
C707
0.1UF
U11D
74(A)HC08
12
13
11
14
7
U11A
74(A)HC08
1
2
3
14
7
C774
0.1UF(R)
D37 1SS355
AC
R546
24.9K
Q11
2SC4672
B
E
C
C1
R216 10K
+
C698 100U/16V DIP
12
L136
FCM2012V121
1 2
R211
20K(R)
R210
10K
Q7
PDC114
C
E
B
U12
TC7S32F
1
2
3
5
4
IN
IN
GND
VCC
OUT
Q38
2SD1834
B
E
C
C1
R581
10K
C224
10PF
L12
FCM2012V121
1 2
D31 F01J2E
A C
D32 1SS355
AC
R580
56K_1%
JFAN4
DDRFAN
1
2
3
R600 470
Q9
2N7002
G
DS
R583 1.2K
C209 10U(0805)
C660
0.1UF(R)
D11 F01J2E
A C
L49
FCM2012V121
1 2
C230
1UF
D12 1SS355
AC
R209
4.7K
D36 F01J2E
A C
C764
0.1UF(R)
U9
MAX6306
1
2
3
4
5
RESET#
GND
MR#
RST-IN
VCC
R579 10K_1%
Q12
2SD1834
B
E
C
C1
JFAN2
FI-S03P-HF
1
2
3
R592 470
C706
0.1UF
R584 0
R582
100K
R588 1M
JFAN3
FI-S03P-HF
1
2
3
R284 10K
R516 10K
U10A
74LVC14
12
14
7
C228 1UF
JFAN1
FI-S03P-HF
1
2
3
R280 470
D38 1SS355
AC
Q5
3904
B
E
C
R217 10K
C20
0.1UF
D39 F01J2E
A C
C229
1UF
C763
2200PF
Q27
2SC4672
B
E
C
C1
C223
2.2UF
C208
0.1UF
C315
0.1UF(R)
R509 470
U8
MAX809(R)_SOT-23
3
1
2
VCC
GND
RESET
L135
FCM2012V121
1 2
R586 0(R)
C761
0.1UF
R545
4.7K
R587 0
MAIN FAN
DDR FAN
SECOND FAN
MAIN2 FAN

Sheet 29 of 42

Fan Control &

SpeedStep