Service manual

Schematic Diagrams
B - 16 VT8237A-1
B.Schematic Diagrams
VT8237A-1
USB7+ 26
H_A20GATE
PCI_GNT#1
C399 1U_10V_06
2.5VS
PCI_FRAME#19,26
ALL_PWROK 3,17,24
Z1506
C420
.1U_50V_06
R616 8.2K_06
R369 8.2K_06
PCI_AD20
USB2+
C461 1U_10V_06
PCI_REQ#2
Z1521
C462 .1U_50V_06
2.5V
Z1516
PCI_AD10
R726
*10K_06
ALL_PWROK
R253 10K_06
PCI_TRDY#19,26
PCI_GNT#0
R725
*10K_06
R590 8.2K_06
FLASH#
U19B
74AHC04
3 4
14
3.3V
PCI_AD2
R405 22_06
PCI_AD30
PCI_AD15
PCI_AD11
BUF_PLT_RST# 7,20,23,26
OC0# 22
PCI_INTC#
PCI_INTB#
C476
.1U_50V_06
KBC_PWRGD23
PCI_AD24
3.3VS
USB0- 22
WLAN_PWR 26
3VUSB
PCI_REQ#5
C465 1U_10V_06
U20C
74AHC04
5 6
14
USB7- 26
PCI_AD23
PCI_REQ#0
PCI_FRAME#19,26
PCI_SERR#19,26
PCI_INTD#26
FB19
HCB2012KF-121T30_08
C430
.1U_50V_06
C459
.1U_50V_06
3.3V
PCI_REQ#3
C454 .1U_50V_06
Z1501
U23
74AHC1G08GW
2
1
4
3
5
C670
.1U_50V_06
Z1518
PCI_AD[31:0]
PCIRST#
C470 .1U_50V_06
GPIO12
R699 0_04
C436 1U_10V_06
R386 8.2K_06
R252 10K_06
IDE_PATDET#
Z1507
Z1512
R613 8.2K_06
R614 8.2K_06
U20D
74AHC04
9 8
14
R1.6? ? C960339
PCI_C/ BE2#19,26
USB2- 22
IDE_SATDET#
C467 .01U_50V_06
C675
.1U_50V_06
PCI_GNT#2
PCI_AD9
GPO0 416
H_A20GATE 23
PCI_SERR#
PCI_AD25
PCI_AD21
C417
1U_10V_06
PCI_GNT#019
R534 6.2K_1%_06
SUSB#13,16,20,23,27,33,34
Z1504
Z1510
U20A
74AHC04
1 2
14
3.3V
PLT_RST# 11,20,25,26
R423 *0_06
OC7# 20
PCI_REQ#5
R573 8.2K_06
C423
4.7U_10V_08
U20B
74AHC04
3 4
14
U37
74AHC1G08GW
2
1
4
3
5
3.3V
USB0+
PCI_GNT#2
R384 8.2K_06
C435 .1U_50V_06
C693
1U_10V_06
USB7+
IDE_SATDET#
PCI_AD3
USB1+
R383 8.2K_06
IDERST# 18
PCI_REQ#1
Z1505
3.3V
3.3V
PCIRSTC# 19
PCI_AD26
C429 .01U_50V_06
PCI_AD[31:0]19,26
R612 8.2K_06
PCI_INTA#
USB6+ 26
PCI_AD17
USB3+
Z1520
C438
1U_10V_06
PCI_IN TA#8,19
PCI_INTH#
Z1511
R592 8.2K_06
C333 .1U_50V_06
R697 0_04
C460 1U_10V_06
PWRGD_VCOR E31
C424 .01U_50V_06
R407 *51_1%_06
PCI_AD27
R427 22_06
PCI_IRDY#19,26
PCI_C/ BE3#19,26
USB1+ 29
R385 8.2K_06
3.3V
R617 8.2K_06
USB4-
-PCIRST_GATE
USB3- 22
USB6-
C421 1U_10V_06
3.3V
U20E
74AHC04
11 10
14
R727
10K_06
FWH_TBL#
2.5VS
USB6+
R589 8.2K_06
CLK_USB48 2
R250 10K_06
PCI_AD1
3.3V
USB0-
PCI_GNT#0
PCI_AD13
R511 8.2K_06
USB5+
C694
10U_10V_08
R251 10K_06
USB4+ 20
PCI_REQ#3
PCI_REQ#1
PCI_DEVSEL#
R382 8.2K_06
R593 8.2K_06
PCI_PERR#19,26
USB5- 22
Z1515
PCI_AD28
Z1513
FWH_TBL#
USB2-
R373 8.2K_06
3.3VS
USB4- 20
PCI_GNT#126
PCI_AD29
PCI_AD18
C426 1U_10V_06
U20F
74AHC04
13 12
14
R591 8.2K_06
PCI_STOP#19,26
USB6- 26
FLASH#25
IDE_PATDET#
PCI_AD8
3.3VS
PCI_IRDY#19,26
KBC_RST#
PCI_REQ#2
PCI_INTD#
PCI_AD6
3VUSB
USB0+ 22
C451 .1U_50V_06
PCI_STOP#19,26
PCI_INTD#
PCIRST#
3.3V
PCI_AD31
PCI_REQ#4
PCI_REQ#4
USB4+
PCI_INTC#
PCI_AD19
C416 1U_10V_06
R406 22_06
-PCIRST_GATE
R380 8.2K_06
R379 2.2K_04
PCI_IRDY#
U19A
74AHC04
1 2
14
U10
74AHC1G08GW
2
1
4
3
5
C455 .01U_50V_06
R372 8.2K_06
FLASH#
R421 22_06
C671
10U_10V_12
C441 .1U_50V_06
R374 8.2K_06
PCI_AD0
GPIO12
PCI_PERR#19,26
USB1- 29
PCI_AD14
R371 8.2K_06
PCI_PAR19,26
PCI_DEVSEL#19,26
PCI_TRDY#19,26
PCI_GNT#3
R594 8.2K_06
GPI O12
R609 2.2K_04
R254
10K_06
3.3V
PCI_INTH#
PCI_AD7
USB2+ 22
C463 .1U_50V_06
BGA6A
VT8237A-BGA541
G2
J4
J3
H3
F1
G1
H4
F2
E1
G3
E3
D1
G4
D2
D3
F3
K3
L3
K2
K1
M4
L2
N4
L1
M2
M1
P4
N3
N2
N1
P1
P2
E2
C1
L4
M3
J1
H2
J2
H1
K4
C2
F4
E20
D20
A20
B20
E8
F25
H23
A4
B4
B5
C4
A5
B6
C5
D5
P3
A6
D6
C6
E5
R4
E18
D18
A18
B18
D16
E16
A16
B16
C25
A24
C26
D24
B26
W3
V1
W1
W2
H9
H10
H12
J8
K8
L8
M8
N8
P8
R8
R19
J21
C3
R3
R2
R1
T8
T19
U19
V8
V19
D22
E22
F22
J13
J14
J15
J16
E23
B25
J25
B2
A17
A19
A21
B13
B15
B17
B19
B21
C13
C14
C15
C16
C17
C18
C19
C20
C21
D13
D15
D17
D19
D21
E13
E15
B24
C24
A23
B23
D23
C23
A22
B22
C22
J17
E17
E19
E21
A15
A13
D4
E4
A3
B3
D14
E14
A14
B14
A26
A25
D26
D25
U8
J18
H11
V21
W9
W10
W11
W17
W18
W19
W21
Y21
H13
H15
H16
H18
H14
H17
A1
A2
B1
W8
AD00
AD01
AD02
AD03
AD04
AD05
AD06
AD07
AD08
AD09
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
CBE0
CBE1
CBE2
CBE3
FRAME
DEVSEL
IRDY
TRDY
STOP
SERR
PAR
USBP0+
USBP0-
USBP1+
USBP1-
GND
GND
GND
INTA
INTB
INTC
INTD
REQ0
REQ1
REQ2
REQ3
REQ4
GNT0
GNT1
GNT2
GNT3
GNT4
USBP2+
USBP2-
USBP3+
USBP3-
USBP4+
USBP4-
USBP5+
USBP5-
USBOC3
USBOC5
USBOC0
USBOC1
USBOC2
KBCK/KA20G,KBCK
KBDT/KBRC,KBDT
MSCK
MSDT
VCC33-1
VCC33-2
VCC33-4
VCC33-5
VCC33-6
VCC33-7
VCC33-8
VCC33-9
VCC 33-10
VCC 33-11
VCC33-12
GND
PERR
REQ5/GPI7
GNT5/GPO7
PCIRST
VCC 33-13
VCC 33-14
VCC 33-16
VCC33-17
VCC 33-18
USBVCC4
USBVCC5
USBVCC6
USBVCC7
USBVCC8
USBVCC9
USBVCC10
USBCLK
USBREXT
GND
GND
USBGND3
USBGND4
USBGND5
USBGND6
USBGND7
USBGND8
USBGND9
USBGND10
USBGND11
USBGND12
USBGND13
USBGND14
USBGND15
USBGND16
USBGND17
USBGND18
USBGND19
USBGND20
USBGND21
USBGND22
USBGND23
USBGND24
USBGND25
USBGND26
USBOC4
VSUSUSB
VCCUPLL1
VCCUPLL2
GNDUPLL1
GNDUPLL2
USBVCC1
USBVCC2
USBVCC3
USBVCC11
USBGND27
USBGND28
USBGND29
USBGND2
USBGND1
INTE/GPI12/GPO12
INTF/GPI13/GPO13
INTG/GPI14/GPO14
INTH/GPI15/GPO15
USBP6+
USBP6-
USBP7+
USBP7-
USBOC6
USBOC7
GPI9/UDPWR,GPI9
GPO9/UDPWREN,GPO9
VCC33-15
USBVCC12
VCC33-3
VCC 33-19
VCC33-20
VCC 33-21
VCC 33-22
VCC33-23
VCC 33-24
VCC 33-25
VCC33-26
VCC 33-27
USBGND30
USBGND32
USBGND33
USBGND35
USBGND31
USBGND34
GND
GND
GND
VCC 33-28
3.3V
PCI_DEVSEL#19,26
USB7-
PCI_IN TB#19
Z1517
PCI_AD12
PCI_AD4
Z1503
C464 .1U_50V_06
USB1-
C361 .01U_50V_06
C427 .01U_50V_06
C383 1U_10V_06
USB3-
PCI_FRAME#
3.3V3VUSB
3.3VS
PCI_TRDY#
ALL_PWROK
C425 .1U_50V_06
PCI_C/ BE0#19,26
PCI_REQ#0
USB5-
PCI_GNT#3
C428 1U_10V_06
PCI_SERR#19,26
PCI_GNT#1
PCI_C/ BE1#19,26
KBC_RST# 23
NEW_CARD_RST# 20
C450 .1U_50V_06
R611 8.2K_06
USB5+ 22
PCI_PERR#
C411 1U_10V_06
PCI_REQ#126
R370 8.2K_06
Z1514
GPI9
FB20
HC B3216KF -800T30_12
R678 *0_06
PCI_REQ#019
R698 *0_04
C367 1U_10V_06
PCIRST#
PCI_AD16
PCI_AD22
C442 .1U_50V_06
2.5VS
OC2# 29
OC1# 22
PCI_INTH#7
3.3V
PCI_STOP#
PCI_AD5
3.3V
USB3+ 22
Z1519
C466 .01U_50V_06
R615 8.2K_06
Sheet 15 of 41
VT8237A-1