Samsung R710 Service Manual page 67

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
P5.0V
C614
C613
10000nF
100nF
6.3V
C
KBC3_PWRGD
FAN5_VDD
FAN3_FDBACK#
CPU3_THRMTRIP#
P3.3V_AUX
R590
R1 200K
1%
R591
R2
51.1K
1%
R589
20K
1%
B
TRIP_SET pin voltage = (T-75)/21
3.3 * [R2/(R1+R2)] = (T-75)/21
A
4
3
THERMAL SENSOR & FAN CONTROL
P3.3V_AUX
R607
49.9
P3.3V
1%
C616
100nF
U511
EMC2102
1 22
VDD_3V SMDATA
24 23
VDD_5V_1 SMCLK
27
VDD_5V_2
19
ALERT#
14 12
POWER_OK SYS_SHDN#
16
RESET#
2
DN1
R592 0 10 3
FAN_MODE DP1
25
FAN_1
26 4
FAN_2 DN2
28 5
TACH DP2
13 6
THERMTRIP# DN3
7
DP3
R593
0 9
SHDN_SEL
11 17
TRIP_SET CLK_SEL
nostuff 18
CLK_IN
8
NC_1
15 20
NC_2 GND
21 29
NC_3 THRM_PAD
CPU1_THRMTRIP#
GFX3_THERM#
3
2
P3.3V_AUX
(Selectable : PWR_SHDN)
KBC3_THERM_SMDATA
KBC3_THERM_SMCLK
THM3_ALERT#
THM3_STP#
CPU2_THERMDC
C615
0.47nF
CPU2_THERMDA FAN3_FDBACK#
GFX3_THRMDN
C618
2.2nF
GFX3_THRMDP
2
C617
MMBT3904
2.2nF 1 Q521
3
P1.05V P3.3V
R587
R595 10K
1%
2K
1%
3
1 Q516
MMBT3904
nostuff
nostuff
2
R586 0
nostuff
2
P3.3V
R16
10K
Line Width = 20 mil
1%
J4
HDR-4P-1R-SMD
FAN5_VDD 1
2
3
4
C519
10000nF
6.3V
MT9 MT11
RMNT-25-70-1P RMNT-25-70-1P
nostuff
CPU3_THRMTRIP#
1
D
C
B
A
SAMSUNG
ELECTRONICS
1
SRP Sheet Number: 25 of 78