Clevo W251ELQ Service Manual page 61

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Ivy Bridge Processor 5/7
Ivy/Sandy Bridge Processor 5/7
VGFX_CORE
All VAXG = 33A
C391
C392
C369
C388
22u_6.3V_X5R_08
22u_6.3V_X5R_08
*22u_6.3V_X5R_08
*22u_6.3V_X5R_08
C386
C376
C374
C317
*22u_6.3V_X5R_08
22u_6.3V_X5R_08
22u_6.3V_X5R_08
22u_6.3V_X5R_08
C389
C390
C322
C318
22u_6.3V_X5R_08
22u_6.3V_X5R_08
22u_6.3V_X5R_08
*22u_6.3V_X5R_08
C315
C314
+
+
*330U_2.5V_D2
560u_2.5V_6.6*6.6*5.9
1.8VS
All VCCPLL = 1.2A
C458
C316
+
330uF_2.5V_9m_6.3*6
10u_6.3V_X5R_06
POWER
U34G
AT24
AK35
AT23
VAXG1
VAXG_SENSE
AK34
VAXG2
VSSAXG_SENSE
AT21
C387
VAXG3
AT20
VAXG4
22u_6.3V_X5R_08
AT18
AT17
VAXG5
VAXG6
AR24
VAXG7
AR23
VAXG8
AR21
VAXG9
AR20
AR18
VAXG10
AL1
VAXG11
SM_VREF
AR17
C377
VAXG12
AP24
VAXG13
22u_6.3V_X5R_08
AP23
AP21
VAXG14
VAXG15
AP20
B4
VAXG16
SA_DIMM_VREFDQ
AP18
D1
VAXG17
SB_DIMM_VREFDQ
AP17
VAXG18
AN24
AN23
VAXG19
VAXG20
AN21
C373
VAXG21
AN20
VAXG22
AN18
22u_6.3V_X5R_08
VAXG23
AN17
AM24
VAXG24
AF7
VAXG25
VDDQ1
AM23
AF4
VAXG26
VDDQ2
AM21
AF1
VAXG27
VDDQ3
AM20
AC7
AM18
VAXG28
VDDQ4
AC4
VAXG29
VDDQ5
AM17
AC1
VAXG30
VDDQ6
AL24
Y 7
VAXG31
VDDQ7
AL23
Y 4
VAXG32
VDDQ8
AL21
Y 1
AL20
VAXG33
VDDQ9
U7
VAXG34
VDDQ10
AL18
U4
VAXG35
VDDQ11
AL17
U1
VAXG36
VDDQ12
AK24
P7
AK23
VAXG37
VDDQ13
P4
VAXG38
VDDQ14
AK21
P1
VAXG39
VDDQ15
AK20
VAXG40
AK18
VAXG41
AK17
AJ24
VAXG42
AJ23
VAXG43
VAXG44
AJ21
VAXG45
AJ20
VAXG46
AJ18
AJ17
VAXG47
M27
VAXG48
VCCSA1
AH24
M26
VAXG49
VCCSA2
AH23
L26
VAXG50
VCCSA3
AH21
J26
AH20
VAXG51
VCCSA4
J25
AH18
VAXG52
VCCSA5
J24
VAXG53
VCCSA6
AH17
H26
VAXG54
VCCSA7
H25
VCCSA8
H23
VCCSA_SENSE
B6
VCCPLL1
A6
C22
VCCPLL2
VCCSA_VID[0]
C319
C320
A2
C24
VCCPLL3
VCCSA_VID[1]
1u_6.3V_X5R_04
1u_6.3V_X5R_04
A19
VCCIO_SEL
PZ98827-364B-01F
On CRB ( Need connect to VRM )
H_SNB_IVB#_PWRCTRL = Low,
H_SNB_IVB#_PWRCTRL = High/NC, 1.05V
( GRAPHICS POWER )
VCC_GT_SENSE 36
Q15
VSS_GT_SENSE 36
*AO3402L
V_SM_VREF
S
D
R114
*100K_1%_04
C586
*0.1u_10V_X7R_04
V_SM_VREF
R116
*20mil_04
V_SM_VREF_CNT
VREF_CH_A_DIMM 9
VREF_CH_B_DIMM 10
CAD Note: +V_SM_VREF should
have 10 mil trace width
1.5V_CPU
All VDDQ = 12A
C63
C65
C58
+
C400
10u_6.3V_X5R_06
10u_6.3V_X5R_06
10u_6.3V_X5R_06
330U_2.5V_D2_D
C71
C60
C67
10u_6.3V_X5R_06
10u_6.3V_X5R_06
10u_6.3V_X5R_06
0.85VS
All VDDQ = 6A
C323
C345
C28
+
C657
10u_6.3V_X5R_08
10u_6.3V_X5R_08
10u_6.3V_X5R_06
*330U_2.5V_D2
1.5V_CPU
VCCSA_SENSE
VCCSA_SENSE 35
R393
R532
R56
*10K_04
*10mil_04
*10K_04
VCCSA_VID0 35
VCCSA_VID1 35
H_SNB_IVB#_PWRCTRL
R409
10K_04
R386
3.3V
*10K_04
1.0V
3,9,10,20,28,31,33
2,3,11,13,14,15,17,18,19,20,22,23,26,27,28,31,33,34,35
3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,27,28,29,30,31,36
Schematic Diagrams
1.5V
R119
1K_1%_04
V_SM_VREF_CNT
R117
1K_1%_04
SUSB#
15,27,31
Sheet 6 of 43
Ivy Bridge
Processor 5/7
C591
*10u_6.3V_X5R_06
37
VGFX_CORE
35
0.85VS
19,29,31
1.5VS
19,33
1.8VS
1.5V
3,31
1.5V_CPU
3.3V
3.3VS
Ivy Bridge Processor 5/7 B - 7

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