Fan Control - EUROCOM P270WM Service Manual

Fan Control

VGA FAN CONTROL
5VS_VFAN 5VS U37
1 8
VGA_FON1#
FON GND
2 7
VIN GND
3 6
VOUT GND
4 5
33 VGA_FAN1
VSET GND
G990P11U
5VS
R678
*10K_04
5VS 5VS_VFAN
VGA_FON1#
C835
C356
R683 0.1u_16V_Y5V_04
10u_10V_Y 5V_08
*0_04
VGA_FANSEN1
R646 4.7K_04
3.3VS
C A
D28 *SCS355V
5VS
5VS_VFAN2 U16
VGA_FON2# 1 8
FON GND
2 7
VIN GND
3 6
4 VOUT GND 5
33 VGA_FAN2
VSET GND
G990P11U
5VS 5VS_VFAN2
5VS
C357
C806
R282 0.1u_16V_Y 5V_04
10u_10V_Y5V_08
*10K_04
VGA_FON2#
VGA_FANSEN2
R281 R363 4.7K_04
3.3VS
*0_04
C A
D10 *SCS355V
SYS FAN CONTROL
5VS_SFAN 5VS
U23
SY S_FON# 1 8
FON GND
2 7
VIN GND
3 6
4 VOUT GND 5
33 SY S_FAN VSET GND
G990P11U
5VS 5VS 5VS_SFAN
C493
R426 C423
0.1u_16V_Y5V_04
*10K_04
10u_10V_Y5V_08
SYS_FON#
SYSFAN_SEN
R433
R384 4.7K_04
*0_04 3.3VS
C A
D11 *SCS355V
CPU FAN CONTROL
5VS
5VS_CFAN
R612
*10K_04 33 CPU_FAN
CPU_FON#
R611
*0_04
J_VGAFAN1
1
2
3
85205-03701
J_VGAFAN1
3
1
33
J_VGAFAN2
1
2
3
85205-03701
J_VGAFAN1
3
3.3VS
1
U20
2 12
SY SFAN_SEN R453 *10mil_NP_04 C518 0.1u_16V_Y5V_04
0B0 VCC
11
CPUFAN_SEN R452 *10mil_NP_04
1B0
1
R457
A0
10 3
S0 GND
5 9
VGA_FANSEN2 R437 *10mil_NP_04
8 0B1 VCC
VGA_FANSEN1 R436 *10mil_NP_04
1B1
4
R446
A1
VGASEN_SEL 7 6
R445 *10mil_NP_04
S1 GND
PI5A3158
0708-J
0£[
¡÷short 33 VGASEN_SEL
J_SY SFAN1
1
2
3
85205-03701
J_SYSFAN1
3
1
5VS U32
CPU_FON# 1 8
2 FON GND 7
VIN GND
3 6
VOUT GND
4 5
VSET GND
G990P11U
5VS 5VS_CFAN
J_CPUFAN1
1
C778 J_CPUFAN1
2
C786
3
0.1u_16V_Y 5V_04 3
10u_10V_Y5V_08 85205-03701
1
CPUFAN_SEN
R613 4.7K_04
3.3VS
C A
D24 *SCS355V
3.3VS
3.3VS
R718
*100K_04 U41A
1
VGA_FANSEN1
3
2
*74LVC08PW
1
Q46
G *MTN7002ZHS3
VGASEN_SEL
2
3.3VS
U41B
4
6
5
VGA_FANSEN2
R727
*74LVC08PW
*100K_04
CPU_FANSEN
*10mil_NP_04
3.3VS
3.3VS
VGA_FANSEN
*10mil_NP_04 R725
*100K_04 U41C
SY SFAN_SEN 9
8
10
*74LVC08PW
Q45 1
G
*MTN7002ZHS3
2
3.3VS
U41D
12
11
CPUFAN_SEN 13
R721
*74LVC08PW
*100K_04
Schematic Diagrams
Sheet 34 of 63
Fan Control
3.3VS
U40
4
VGA_FANSEN 33
*74AHC1G32GW
3.3VS
U42
4
CPU_FANSEN 33
*74AHC1G32GW
Fan Control B - 35