Samsung R710 Service Manual page 119

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
P3.3V
R626
2K
1%
GCORE3_PWRGD
C632
100nF
1%
150K
C
R629
KBC3_PWRON
nostuff
R630
0
VCCP3_PWRGD
P5.0V
R632 0
GFX3_VOLTID0
B
R633 0
GFX3_VOLTID1
A
4
3
Graphic Core Power
EGFX_CORE P5.0V
nostuff
R625 R627
51.1K 470K
1%
C631
C633
10nF
0.47nF
16V
10
G_EGFX G_EGFX
12
14
15
C634 7
100nF 8
9
6
nostuff
17
R600
C609
2K R602
0.047nF 1%
6.8K
1%
R603
4.12K
1%
R631 R628 R601
C610
2.2K 10K 3.01K
1% 1%
2.2nF
G_EGFX
G_EGFX G_EGFX
R634
2.2K
GFX3_VOLTID1 GFX3_VOLTID0 VOLTAGE
0 0 0.9V
0 1 1.09V
1 0 1.17V
1 1 RESERVED
3
P5.0V
D512 Q17
BAT54A SI4686DY-T1-E3
U517
5 6 7
SC471MLTRT
D1 D2 D3 D4
3
VOUT VCC
11
EN PGOOD
R635 0 G
G0
C635 100nF
2
4
G1 BST
16
S1 S2
D1 DH
1 2 3
1
D0 LX
13 R879 7.5K 1% 5 6 7 8
FB ILIM
D1 D2 D3
4
RTN DL
5
THERM GND
C612
G
OCP : 26A
1000nF 4
S1 S2 S3
1 2
C611
0.22nF
nostuff
INSTPAR
SHORT1
2
VDC
EC501 EC500
C630 C1050 C606 C608 C607
15uF 15uF
100nF 4700nF 4700nF 4700nF 4700nF
25V 25V
25V 25V 25V 25V 25V
AL AL
nostuff nostuff
Q16
SI4686DY-T1-E3
8 5 6 7 8
D1 D2 D3 D4
G
4 L6
1.0uH
S3 S1 S2 S3
1 2 3
5 6 7 8 5 6 7 8
D4 D1 D2 D3 D4 D1 D2 D3 D4
R850
4.7
G G
4 4
S1 S2 S3 S1 S2 S3
3 1 2 3 1 2 3
C1039
1nF
Q21 Q20
Q19
SI4634DY-T1-E3 SI4634DY-T1-E3
SI4634DY-T1-E3
2
1
D
nostuff
C
EGFX_CORE
EC504 EC505
C63
330uF 330uF
100nF
2V 2V
AL AL
B
A
SAMSUNG
ELECTRONICS
1
SRP Sheet Number: 77 of 78