EUROCOM P180HM Service Manual page 61

Sandy Bridge 5/7 GFX PWR
Sandy Bridge PROCESSOR
Z0601
R 140
0_04
1.8VS
1.2A
D01B
C629 C630 C 631 C633
+
330u_2.5V_V_A 10u_6.3V_X5R_08 1u_6.3V_Y 5V_04 0.1u_10V_X5R _04
D03A 6/16
5/7
POWER
U38G
AT24 AK35
VAXG1 VAXG_SENSE
AT23 AK34
VAXG2 VSSAXG_SENSE
AT21
VAXG3
AT20
VAXG4
AT18
AT17 VAXG5
VAXG6
AR24
VAXG7
AR23
VAXG8
AR21
VAXG9
AR20
VAXG10
AR18
VAXG11
AR17
VAXG12
AP24 AL1
V_SM_VREF
AP23 VAXG13 SM_VREF
R136
VAXG14
AP21
VAXG15
AP20
VAXG16
AP18
VAXG17
AP17
VAXG18
AN24
CAD Note: +V_SM_VREF should
VAXG19
AN23
VAXG20 have 10 mil trace width
AN21
AN20 VAXG21
VAXG22
AN18
VAXG23
AN17
AM24 VAXG24 AF7
VAXG25 VDDQ1
AM23 AF4
VAXG26 VDDQ2
AM21 AF1
VAXG27 VDDQ3
AM20 AC 7
VAXG28 VDDQ4
AM18 AC 4
AM17 VAXG29 VDDQ5 AC 1
VAXG30 VDDQ6
AL24 Y 7
VAXG31 VDDQ7
AL23 Y 4
AL21 VAXG32 VDDQ8 Y 1
VAXG33 VDDQ9
AL20 U7
VAXG34 VDDQ10
AL18 U4
VAXG35 VDDQ11
AL17 U1
VAXG36 VDDQ12
AK24 P7
VAXG37 VDDQ13
AK23 P4
VAXG38 VDDQ14
AK21 P1
VAXG39 VDDQ15
AK20
AK18 VAXG40
VAXG41
AK17
VAXG42
AJ24
VAXG43
AJ23
VAXG44
AJ21
VAXG45
AJ20
VAXG46
AJ18
VAXG47
AJ17
AH24 VAXG48
VAXG49
AH23
VAXG50
AH21 M27
VAXG51 VCCSA1
AH20 M26
VAXG52 VCCSA2
AH18 L26
VAXG53 VCCSA3
AH17 J26
VAXG54 VCCSA4
J25
VCCSA5
J24
VCCSA6
H26
VCCSA7
H25
VCCSA8
B6 H23
VCCPLL1 VCCSA_SENSE
A6
VCCPLL2
A2
VCCPLL3
C22 Z0602 R468
FC_C22
C24
VC CSA_VID1
R470
PZ98827-364B-01F R607
Sandy Bridge EDS, VCCSA_VID must have a pull down resistor to ground
( GRAPHICS POWER )
R137 *0_04
V_SM_VREF
Q15
AO3402L
S D
V_SM_VR EF_CNT
* 0_04
1.5VS_CPU
10A
D01B
C178 C161 C160 C199
+
10u_6.3V_X5R_08 10u_6.3V_X5R_08 10u_6.3V_X5R_08 330u_2.5V_V_A
C179 C190 C183 C205 C 163
10u_6.3V_X5R_08 0.1u_10V_X5R_04 0.1u_10V_X5R_04 0.1u_10V_X5R_04 0.1u_10V_X5R_04
0.85VS
D01B
6A
C181 C158 C182 C169
+
10u_6.3V_X5R_08 10u_6.3V_X5R_08 10u_6.3V_X5R_08 330u_2.5V_V_A
6-11-3371P-AB3
VC CSA_SENSE 42
VCCSA_VID0 42
*0_04 R 469 10K_04
VCCSA_VID1 42
10K_04
*10K_04
D03 For PDA common circuit issue
1.05VS
Schematic Diagrams
1.5VS_CPU
R151
100_04
V_SM_VREF_CNT
C230 R162
0.1u_10V_X5R_04 100_04
Sheet 6 of 56
PS_S3C NTRL_1.5S 44
Sandy Bridge 5/7
GFX PWR
Sandy Bridge 5/7 GFX PWR B - 7