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D - 28 Fan Control (71-88800-D04) - For 8880
8880 Schematic Diags
Fan Control
VCC5
VDDA
VCC5S
VCC5S
VCC5S
VCC5S
SYS3V
VCC5S
VCC5S
VCC5S
VCC5
VCC5S
VCC5S
VCC5S
VCC5S
VCC5S
VCC5S
VCC3
VCC3S
2.5V
2.5V
VCC3S
SYS3V
Z119 DISBL
Z118
Z111
DISBL
PCBEEP
SPKROUT
LBP
Z108
H8_BEEP
Z98
OS#
BEEP_EN
H8_BEEP
BAT_BEEP
FAN_GND
Z83
FAN_LOW
FAN_VCC
Z175
Z911
FAN_GND
FAN_PWM
FAN_VCC
FAN_HI
Z174
Z173 PWROK
PWROK
CPU_FAN
SUS_STAT#
L100
L(1206)
Q56
2SC4672
B
E
C
U57B
74HCT08
4
5
6
147
D56
F01J2E
A C
R749
4.3(0805)
C992
0.1U
U57A
74HCT08
1
2
3
147
C991
4.7U(1206)
Q55
2SC4672
B
E
C
JFAN3
FAN CON
2
1
D58
F01J2E
C A
D59
F01J2E
C A
JFAN2
FAN CON
2
1
U62
CBTLV1G125(R)
1
2
3
5
4
IN
IN
GND
VCC
OUT
C1027
0.1U
C997
0.1U
U10E
74HC14
11 10
147
R747 61.9K_1%(R)
R760
100K(R)
C996
0.1U
R744 100K
R745
100K
U56
MAX6306UKD3
1
2
3
4
5
RESET#
GND
MR#
RST-IN
VCC
R742 10K(R)
C994
0.1U
C993
C(0805)
R743 0
C1026
0.1U
U58
LTC1728-5(R)
1
2
3
4
5
RESET#
GND
VCCA
VCC
VCC3
R624
100K
R622 220K
C852
1U(0805)
R646
1K
R650
2.2K
Q10
2N3904
B
E
C
C876
0.01U(K%)
D53
1SS355
A C
Q8
2N3906
B
C
E
Q7
2N3904
B
E
C
R626
4.7K
Q6
2N7002
G
S D
C899
0.1U
C83
0.047U
C912 0.1U
R625 10K
R627 10K(R)
R631
1K
R628
10K
D47
1SS355
C A
R621
100K
U10C
74HC14
5 6
14
7
U10A
74HC14
1 2
14
7
U10D
74HC14
9 8
14
7
C870
0.1U
U9A
74HCT08
1
2
3
147
U10B
74HC14
34
14
7
D48 1SS355
AC
U59
NC7S14
1
2
3
5
4
NC
A
GND
VCC
Y
R623 3M D6
F01J2E
AC
R126
10K
C995
0.1U
U10F
74HC14
13 12
14
7
LBP 24
DISBL 31
H8_BEEP
DISBL31
PCBEEP21
SPKROUT33
OS#3
BEEP_EN31
H8_BEEP
BAT_BEEP 18
FAN_PWM30
PWROK 10,21
PWROK 10,21
CPU_FAN30
SUS_STAT#11,21,29,31
DD_ON 21,25,26,31,45
PWRSW# 21,31,37
Near ALC201
40MIL
40MIL
40MIL
40MIL
40MIL
40MIL
Sheet 27 of 45
Fan Control (8880)