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4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
KBC3_SBPWRGD
C
CPU3_THRMTRIP#
B
A
4
COM-22C-015(1996.6.5) REV. 3
3
Thermal Monitor
P5.0V
P3.3V_AUX
C63
C68
C62
C64
10000nF
10000nF
100nF
100nF
6.3V
6.3V
TP510
21-D4 27-C4
R51
0
TP821
FAN5_VDD
11-B2
FAN3_FDBACK#
11-B2
11-B3
21-C4
TP506
P3.3V_AUX
R49
100K
1%
TRIP_SET
TP866
3.3 * R2 / (R1 + R2) = (T - 75) / 21
So: T = 100'C
R50
56.2K
1%
P1.05V
P3.3V
R86
2K
1%
TP847
1
CPU1_THRMTRIP#
10-C4
2
3
MMBT3904
Q7
3
P3.3V_AUX
R88
R89
R47
10K
10K
10K
U6
EMC2102
1
22
VDD_3V
SMDATA
24
23
VDD_5V_1
SMCLK
27
VDD_5V_2
19
ALERT#
TP868
14
12
POWER_OK
SYS_SHDN#
16
RESET#
2
DN1
10
3
FAN_MODE
DP1
C67
0.47nF
25
FAN_1
26
4
FAN_2
DN2
28
5
C65
TACH
DP2
0.47nF
13
6
THERMTRIP#
DN3
7
DP3
9
SHDN_SEL
11
17
TRIP_SET
CLK_SEL
TP511
18
CLK_IN
8
NC_1
15
20
NC_2
GND
21
29
NC_3
THRM_PAD
1209-001718
SMBUS Address "7A"
R44
NO_STUFF
10K
FAN5_VDD
CPU3_THRMTRIP#
FAN3_FDBACK#
21-C4
11-C3
2
NO_STUFF
R87
10K
KBC3_THERM_SMDATA
27-C2
27-B2
KBC3_THERM_SMCLK
22-B2
THERM_ALERT#
R46
0
THERM_STP#
27-B2
10-C4
CPU2_THERMDC
10-C4
CPU2_THERMDA
MCH2_THERMDN
12-B3
MCH2_THERMDP
TP846
12-B3
2
MMBT3904
2.2nF
C66
1
Q8
3
TP867
Place nearby Memory
FAN Control
P3.3V
R52
10K
J505
1%
Line Width = 20 mil
HDR-4P-1R-SMD
1
11-C3
2
3
11-C3
C39
4
10000nF
6.3V
3711-000456
DRAW
DATE
TITLE
ZHOU JUN
1/23/2008
CHECK
DEV. STEP
GUO LEI
PV
APPROVAL
REV
KEVIN LEE
1.0
MODULE CODE
LAST EDIT
2
1
D
C
B
A
SAMSUNG
XI'AN
ELECTRONICS
MAIN
PART NO.
THERMAL MONITOR
BA41-00859/60/61A
11
48
November 26, 2007 11:01:51 AM
PAGE
OF
1
D:/users/mentor/XiAn/ATI/PV2/XIAN_PV2_0123
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