MSI MS7318M1 Service Manual page 41

5
D
Place
close to
inductor
C
www.kythuatvitinh.com
[6] VCC_VRM_SENSE
[6] VSS_VRM_SENSE
V_6312
V_6312
V_6312
[5,13,14,16,23,35] SMBCK
[5,13,14,16,23,35] SMBDT
B
[7,35] VID_GD#
A
4
VCC5
R59 R59
X_4.7KR0402 X_4.7KR0402
C445 C1000P50X0402 C445 C1000P50X0402
[5,35] VRM_GD
C459 C1000P50X0402 C459 C1000P50X0402
[8] VID7
[6] VID6
[6] VID5
[6] VID4
[6] VID3
[6] VID2
[6] VID1
[6] VID0
[8] VRD_VIDSEL
R549 R549 1.8KR1%0402 1.8KR1%0402 R541 R541 15KR1%0402 15KR1%0402 C507 C1500P50X0402 C507 C1500P50X0402
C506 C506 C15P50N0402 C15P50N0402
RT2 RT2 R536 R536 0R0402 0R0402 R542 R542
X_4.7KRT-RH X_4.7KRT-RH
C508 X_C680P50X0402 C508 X_C680P50X0402 R557 R557
R544 R544
X_1.6KR1%0402 X_1.6KR1%0402
R553 R553
Reserve for
R548 R548 100R0402 100R0402
ISL6312A
VCCP
R555 R555 0R0402 0R0402
R547 R547 0R0402 0R0402
C516 C516
R554 R554 100R0402 100R0402 C515 C515
X_C0.1U16Y0402 X_C0.1U16Y0402 X_C0.1U16Y0402 X_C0.1U16Y0402
R533 R533 X_100KR0402 X_100KR0402
R525 R525 X_4.99KR1%0402 X_4.99KR1%0402
R526 R526 X_1KR0402-1 X_1KR0402-1
C479 C479
X_C100P16N0402 X_C100P16N0402
R515 R515 X_0R0402 X_0R0402
R519 R519 X_0R0402 X_0R0402
C496 C496
R528 R528 R516 R516 R522 R522
X_20KR1%0402 X_20KR1%0402 0R0402 0R0402 0R0402 0R0402
VREG_12V
R497 R497
10KR0402 10KR0402
VID_PG
R500 R500 Q37 Q37
VID_GD#
B
N-PMBS3904_SOT23-RH N-PMBS3904_SOT23-RH
10KR0402 10KR0402 R498 R498
2.2KR0402 2.2KR0402
C449 C449 C447 C447
C1000P50X0402 C1000P50X0402
C1000P50X0402 C1000P50X0402
3
VCC5
R552 R552
VREG_12V
2.2R0805 2.2R0805
V_6312
R531 R531
2.2R0805 2.2R0805
C523 C523
C4.7U10Y0805 C4.7U10Y0805
C494 C494
C1U16Y C1U16Y
U19 U19
37 29
PGOOD PVCC1_2
VID_PG
36
EN
BOOT1 R523 R523
46 31
VID7 BOOT1
47
VID6
48 32
VID5 UGATE1
1 33
VID4 PHASE1
2 30
VID3 LGATE1
3
VID2
ISEN1+ R509 R509
4 35
VID1 ISEN1+
ISEN1-
5 34
VID0 ISEN1-
ISEN_1
6
VRSEL [42] ISEN_1
BOOT2
27
BOOT2
R534 R534
13
COMP
14 26
FB UGATE2
0R0402 0R0402
15 25
IDROOP PHASE2
28
LGATE2
X_750R1%0402 X_750R1%0402
16
VDIFF
ISEN2+ R539 R539
19
ISEN2+
X_10KR0402 X_10KR0402 ISEN2-
20
ISEN2-
ISEN_2
[42] ISEN_2
R487 R487
42
PVCC3
C441 C1U16Y C441 C1U16Y
BOOT3 R496 R496
18 40
VSEN BOOT3
C509 C509
39
UGATE3
17 38
X-C0.01U25X0402 X-C0.01U25X0402
RGND PHASE3
41
LGATE3
ISEN3+ R506 R506
44
ISEN3+
ISEN3-
43
ISEN3-
ISEN_3
[42] ISEN_3
12
OFS
7 21
DRSEL ISEN4+
22
ISEN4-
8
OVPSEL
11 24
REF PWM4
45
FS
9 23
SS EN_PH4 V_6312
Disable PH4 the
EN_PHN(pin23) should
ISL6312CRZ_QFN48-RH ISL6312CRZ_QFN48-RH
be pull-hi 5V
R503 R503 R527 R527
120KR 120KR 240KR0402 240KR0402 7X7 QFN
BOTTOM PAD
CONNECT TO GND
Through 8 VIAs
2
2.2R0805 2.2R0805 C484 C0.1U16X C484 C0.1U16X
UGATE1
UGATE1 [42]
PHASE1
PHASE1 [42]
LGATE1
LGATE1 [42]
0R0402 0R0402 ISEN1
ISEN1 [42]
C474 C0.1U10X0402 C474 C0.1U10X0402
R518 R518 R517 R517 X_4.7KR1%0402 X_4.7KR1%0402 C461 C461
4.7KR1%0402 4.7KR1%0402 C0.1U16Y0402 C0.1U16Y0402
C511 C0.1U16X C511 C0.1U16X
2.2R0805 2.2R0805
UGATE2
UGATE2 [42]
PHASE2
PHASE2 [42]
LGATE2
LGATE2 [42]
61.9R0402 61.9R0402 ISEN2
ISEN2 [42]
C514 C0.1U10X0402 C514 C0.1U10X0402
R556 R556 R546 R546 X_4.7KR1%0402 X_4.7KR1%0402 C524 C524
4.7KR1%0402 4.7KR1%0402 C0.1U16Y0402 C0.1U16Y0402
2.2R0805 2.2R0805
VREG_12V
2.2R0805 2.2R0805 C443 C0.1U16X C443 C0.1U16X
UGATE3
UGATE3 [42]
PHASE3
PHASE3 [42]
LGATE3
LGATE3 [42]
75R0402 75R0402 ISEN3
ISEN3 [42]
C444 C0.1U10X0402 C444 C0.1U10X0402
R499 R499 X_4.7KR1%0402 X_4.7KR1%0402 C425 C425
R493 R493 C0.1U16Y0402 C0.1U16Y0402
4.7KR1%0402 4.7KR1%0402
Title Title Title
Size Size Size
A3 A3 A3
Date: Date: Date:
1
MICRO-START INT'L CO.,LTD. MICRO-START INT'L CO.,LTD. MICRO-START INT'L CO.,LTD.
MS-7318 MS-7318 MS-7318
Document Number Document Number Document Number Rev Rev Rev
MS-7318-101-060918A MS-7318-101-060918A MS-7318-101-060918A 100 100 100
Monday, September 18, 2006 Monday, September 18, 2006 Monday, September 18, 2006 Sheet Sheet Sheet 41 41 41 of of of 45 45 45
D
C
B
A