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Schematic Diagrams
B - 30 Fan Control and SpeedStep (71-D4000-D04)
B.Schematic Diagrams
Fan Control and SpeedStep
+5VS
+3V
+5V
+5V
+3VS
+3VS
+5VS
+3V
+1.8VS
+3V
+3V
+3VS
+3VS
+5VS
+3VS
+3V
FAN1-ON24
PCBEEP15
SPKROUT19
LBP 26
CPUSTP# 4,15
H_DPSLP# 2
VGATE15
VR_PWRGD30
PWRGD 9,15,26
PSON#15,28
PWROK24
H8BEEP24
FAN_SEN24
FAN2_SEN
24
FAN3_SEN24
FAN2-ON24
PCBEEP
SPKROUT
FAN1-ON
FAN_VCC
H8_BEEP
H_DPSLP#
CPUSTP#
VGATE PM_GATEM
PWRGD
PSON#
VR_PWRGD
VR_PWRGD
PWRGD
PWROK
PM_GATEM
H8BEEP
H8_BEEP
FAN_SEN
FAN2_SEN
FAN2-ON
FAN_VCC1
FAN3_SEN
C218
1UF
C220
1UF
R367 470
C515
0.1UF(R)
C522
0.1UF
L91
FCM2012V121
1 2
R410
24.9K(R)
Q4
3904(R)
B
E
C
C219
1UF
D25 F01J2E
A C R409
4.7K(R)
U16
TC7S32F(R)
1
2
3
5
4
IN
IN
GND
VCC
OUT
R182
4.7K(R)
Q9
2N7002(R)
G
DS
R453 0
Q7
PDC114
C
E
B
U12
MAX809(R)_SOT-23
3
1
2
VCC
GND
RESET
R445
100K
R442 10K_1%
R183
10K
R454 0(R)
R184
20K(R)
R444
10K
C214
0.1UF
C215
10PF
R443
56K_1%
U14A
74LVC14
12
14
7
C587
2200PF
U15D
74(A)HC08
12
13
11
14
7
U13
MAX6306
1
2
3
4
5
RESET#
GND
MR#
RST-IN
VCC
R154 0
Q21
2SC4672
B
E
C
C1
R461 1M
U15A
74(A)HC08
1
2
3
14
7
D33 1SS355
AC
JFAN1
FI-S03P-HF
1
2
3
R517 10K
JFAN2
FI-S03P-HF
1
2
3
D34 1SS355
AC
R524 10K
JFAN3
FANCON3
1
2
3
Q25
2SC4672
B
E
C
C1
D35 F01J2E
A C
R526 470
C693
0.1UF(R)
C692
0.1UF
L114
FCM2012V121
1 2
R525 10K
D36 1SS355
AC
MAIN FAN
DDR FAN
2ND FAN
ADD 12/4
Sheet 29 of 35
Fan Control &
SpeedStep