Circuit Diagrams and PWB Layouts
29
7.
Scaler Board: Fan Control-RTC
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAN_DET2
FAN_DET1
FAN_CTL1
FAN_CTL1
FAN_CTL2
FAN_CTL2
FAN_DET1
FAN_DET2
+5V
S
+12V_
S
W
+
3
.
3
V_
S
W
+12V_
S
W 2,6,11,12,14
+
3
.
3
V_
S
W
2,4,9,11,15,16
+5V
S
2,
3
,4,6,10,11
+
3
.
3
V_
S
W
FANVCC
+12V_
S
W
FANVCC
FANVCC
FANVCC
FANVCC
RTCVCC
+5V
S
RTCVCC
RTCVCC
S
ELFD_INV
S
ELFD_PPWR
3
V
3
_
S
CL
3
V
3
_
S
DA
M
S
TR_
S
CL
M
S
TR_
S
DA
1
1
2
2
2007/04/14
pin
define
modify
Pin2 ch
a
nge to Pin4
R4
3
2
4.7K
1
2
+
C2
3
0
47
u
F/25V/NC
1
2
+
C22
8
47
u
F/25V/NC
1
2
U
3
9
PHP_PFC
8
56
3
T_T
SS
OP_
8
P
O
S
CI
1
O
S
CO
2
/INT
3
V
SS
4
S
DA
5
S
CL
6
CLKOUT
7
VDD
8
R647
0R
1
2
CN15
4500-E04N/NC
1
2
3
4
R4
38
4.7K
1
2
R440
27K
1
2
C470
1
8
pF
CN1
3
EIC_4500-E0
3
N/NC
1
2
3
Q52
MMBT
3
906
3
1
2
R449
100
1
2
R445
4.7K
1
2
R44
8
100
1
2
R442
1
0
K
1
2
R42
8
33
K
1
2
D
3
5
1N414
8
/NC
1
2
Q56
APM
3
195P/NC
2
3
1
CN14
EIC_4500-E0
3
N/NC
1
2
3
R444
NC
1
2
Q5
3
MMBT
3
904
2
1
3
C225
0
.1
u
F
R429
12K
1
2
R4
3
6
33
1
2
R646
0R
1
2
D
3
4
1N414
8
/NC
1
2
R427
560
1
2
Q55
DTC144E/NC
1
3
2
R4
33
27K
1
2
R446
NC
1
2
R441
10K
1
2
R4
3
1
4.7K
1
2
R447
4.7K
1
2
R426
12K
1
2
R4
3
7
33
1
2
R44
3
10
K
1
2
C222
0.1
u
F
R4
3
0
4.7K
1
2
C224
0
.1
u
F
L45
KHB0
8
05R121
S
A/NC
C229
0.1
u
F
+
C2
3
1
47
u
F/25
V/NC
1
2
Q54
APM
3
195P/NC
2
3
1
R4
3
9
4.7K
1
2
C221
0.1
u
F
R4
3
4
10K
1
2
U40
F75
3
75
S
/NC
FANIN2/GPIO0
2
FANIN1
1
PWMOUT1/DACOUT1/ADDR_TRAP
3
PWMOUT2/DACOUT2/GPIO1
4
FAN_FAULT#/
S
MI#/GPIO2
5
VOLT_FAULT#/OVT#/GPIO
3
/EXT. CLOCK
6
S
CLK
7
S
DATA
8
VCC
16
VT2
14
VT1
15
VREF
1
3
VIN1
12
VIN2
11
VIN
3
10
GND
9
L46
KHB0
8
05R121
S
A/NC
+
C226
47
u
F/25V/NC
1
2
R4
3
5 10K
1
2
R451
4.7K
1
2
R450
4.7K
1
2
C2
3
2
0.
1
u
F
Y1
3
2.76
8
k
Hz
+
C227
1F_5.5V
1
2
L44
KHB0
8
05R121
S
A
+
C22
3
47
u
F/25V
1
2
Q57
DTC144E/NC
1
3
2
R697
1K
1
2
S
-A09
S
-A09
S
CALER BOARD:
FAN CONTROL-RTC
I_17540_026.ep
s
3
1010
8