Service manual

Schematic Diagrams
Fan CTRL B - 19
B.Schematic Diagrams
Fan CTRL
Sheet 18 of 52
Fan CTRL
3VS
VGA_FAN128
3VS
R686
*100K_04
3VS
U53
*74AHC1G32GW
4
53
1
2
Q60
*MTN7002ZHS3
G
DS
R684
*100K_04
U21
G990P11U
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
7
GND
8
D8 *SCS355V
AC
U10
G990P11U
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
7
GND
8
R559
*0_04
C774
0.1u_16V_Y5V_04
C200
0.1u_16V_Y5V_04
R67 4.7K_04
C207
10u_10V_Y5V_08
U38
G990P11U
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
7
GND
8
J_CPUFAN1
85205-03001
1
2
3
C143
0.1u_16V_Y 5V_04
R166 4.7K_04
C142
10u_10V_Y 5V_08
R478 4.7K_04
C724
10u_10V_Y5V_08
3VS
J_SYSFAN1
85205-03001
1
2
3
R80
*0_04
Z1802
D13 *SCS355V
AC
Z1804
J_VGAFAN2
85205-03001
1
2
3
D25 *SCS355V
AC
R145
*0_04
5VS
3VS
5VS
5VS5VS_CFAN
3VS
5VS
5VS
3VS
5VS_CFAN
5VS_SFAN
5VS_VFAN2
5VS_VFAN2
5VS_SFAN
5VS
5VS12,17,21..24,26,27,31..34,36,41
CPU_FAN28
VGASEN_SEL28
CPU_ VTT4,5,15,37,38
SY S_F AN28
3VS7..9,12,13,15..17,19..28,30..34,36,37,40,41
VGA_FANSEN1
CPU_FANSEN 28
VGA_FANSEN2
VGA_FON2#VGA_FON2#
VGA_FANSEN 2
U31
PI5A3158
0B0
2
1B0
11
S0
10
0B1
5
1B1
8
S1
7
VCC
12
A0
1
GND
3
VCC
9
GND
6
A1
4
3
VGA_FANSEN 28
1
J_VGAFAN1
SY S_F ON # SYS_FON#
3
R100
*10K_04
J_SYSFAN1
5VS
VGA_FON1#
1
SYS FAN CONTROL
Z1807
R366 0_04
VGASEN _SEL
VGA_FAN228
C458 0.1u_16V_Y5V_04
SYSFAN_SEN
3VS
Z1808
Z1809
R377 0_04
R368 0_04
CPU_FANSEN
VGA_FANSEN
VGASEN_SEL28
Q59
*MTN7002ZHS3
G
DS
U52
*74AHC1G32GW
4
53
1
2
3VS
R683
*100K_04
Z1803
R685
*100K_04
Z1805
CPUFAN_SEN
Z1806
SY SF AN_SEN
Z1810
Z1811
Z1812
Z1813
Z1801
R376 0_04
R365 0_04
R375 0_04
R367 0_04
SY SF AN_SEN
VGA_FANSEN2
CPUFAN_SEN
VGA_FANSEN1
3VS
3VS
1
J_CPUFAN1
CPU FAN CONTROL
J_VGAFAN1
3
R101
*0_04
VGA_FON1#
U11
G990P11U
VOU T
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
7
GND
8
5VS_VFAN
D26 *SCS355V
AC
VGA_FANSEN1
5VS
VGA_FON1#
3VS
C162
10u_10V_Y5V_08
R487 4.7K_04
VGA FAN CONTROL
J_VGAFAN1
85205-03001
1
2
3
C171
0.1u _1 6V_Y 5V_04
1
3
5VS_VFAN
5VS
R140
*10K_04
3VS
5VS
VGA_FON2#
SYS_FON#
R557
*10K_04
5VS
R81
*10K_04
CPU_FON#
5VS
U54A
*74LVC08PW
1
2
3
147
U54B
*74LVC08PW
4
5
6
147
U54C
*74LVC08PW
9
10
8
147
U54D
*74LVC08PW
12
13
11
147
CPU_FON#
CPUFAN_SEN
CPU_FON#