Pp Sua Chua MAin Board
Transcript of Pp Sua Chua MAin Board
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GIO
TRNHPH
NCNG
MYT
NH
Xincho:
TrngLong
Lttruycp:7
Sd:125800
Hnsdng
(mm/dd/yy):5/31/2009
TNGQUAN
.
CASE&NGUN
MAIN
_BOARD
.
VIX
L-CPU
BNH
RAM
.
_
HDD,
CDROM
T_
BNHPXUT
CARDM
RNG
LPRPM.T
NH
CIWINDOW98
CIWIN2000,
XP
PARTIONMAGIC
PhngphpsachaMainb
oard
Nidung:Phngphpkimtra
vsachacchhngcaM
ainboard,
Sachamchiu
khinngun,
MchnpchoCPUvhthngChipset,
MchtoxungClockvccmchkhc.
KhihngMainb
oardtutheomcnngnh
msinhra
nhnghint
ngsau:
1.
Mykhngv
oin,qutngunkhngquay.
2.
Mycvoin,qutngunquaynhngkhnglnmnhnh,
khngcmthanhbosc
.
3.
MykhingbResetlikhivonmnhn
hWinXPhocci
tWinXPb
boli.
4.
Mttrongcc
cngchut,bnphmhoccng
USBbmttc
dng.
Bnh1v3trn
ccpbitrc,phnnychngti
scpnph
ngphpkimtrasachacc
bnh2v4trn.
Bnh2:Mycvoin,qutngunquaynhngkhngln
mnhnh,khngcmt
hanhbosc.
KimtraktlunlMainbordhng.
Dngmtbngunttthvloitrc
nguynnhndo
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TINCHGHOST
LAN-INTERNET
DowloadG.Trnh
PHNS/CHA
ngun.
CthgnCP
UsangmtMainboardangch
yttloitrkh
nnghngCP
U.
ChgnCPUvoMainboard,
kimtraloabos
cvchcchnl
tt,cpngunvoMainboardvbtcngt
cP.O
N
KhingunttvCPUttgntrnMainboard,b
tcngtcm
khngctnh
iugloabosclMainboa
rdkhnghotng
Nguynnhnlm
Mainboardkhnghotng
Chpmttron
gccngtitiuth
HngmchdaongtoxungCLKtrnMainboard
HngmchnpngunchoCPU
HngNorthBridgehocSourthBridge
Liphnmm
trongROMBIOS
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M
ainboardv
c
c
linhkin
linqua
n
ns
ho
tngca
Ma
inboard
Ccbckimtra
Thottcc
clinhkinrakhiMainboard
-GnCardTestMainvokhePCI
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-Cpngunc
hoMainboard
-Mngun(dngtvtuchpchnPWR-
chncngtcm
ngunchoqutngunquay)
=>Quanstd
ynLedtrnMainboard
Chthch:
-Ccn+5V,
3,3
V,+12V,-12Vsngngha
lcccinp
+5V,
3,3
V,+
12V,-12V
hayccngp
bnhthng
-nCLKsnglICdaongtoxungCLKtr
nMainboardtt
-nRSTsng(sautt)chobitMainboard
toxungReset
khing
CPU
.
-nOSCs
ngchobitCPUhotng
-nBIOSs
ngchobitCPUangtruycpvoBIOS.
Khichagn
CPUvoMainboardthnOSC
vnBIOSs
khngsngcnlittcccnkhcuph
tsnglMainboard
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bnhthng(
ringnRSTsngritt)
KhignCPUvo,nuttcccnLedtrn
usnglc
Mainboardv
CPUhotng.
Ma
inboardv
CPUho
tng
thttcnL
ed
us
ng
Mtstrngh
phhng
Mainboardbchpmttrongccngi
np
M
ainboard
bc
hpngngu
n5
V
biu
hin
ln
5Vtt
M
ainboard
bc
hpngngu
n3,3V
biu
hin
ln
3,3
Vtt
M
ainboard
bc
hpngngu
n12V
biu
hin
ln
12Vtt
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Mchdaon
gtoxungCLKtrnMainboardkhnghotng
Mc
hto
xung
CLK(xung
Cloc
k)khng
ho
tng
biu
hin
ln
CLKkhngs
ng
X
em
chititvmchtoxungCLK
Kimtramch
toxungCLK
-okimtra
Vcc3,3
VcpchoICdaongt
odung
-RabngncramchinkhuvcICdaongri
sykh
-ThaythICdaongtoxungCLKtMainboardkhc
---------------
Ccng
inputt,ctnhiuxu
ngCLKnhngkhi
gnCPUvo
MainboardkhngsngnOS
C
Khig
nC
PUv
on
hngn
OSCv
nBIOSvn
khngs
ng,
hin
tng
trnc
hng
tCPUch
a
ho
tng
Vitrngh
ptrnbncnkimtramchnpcpnguncho
CPU
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Ccn
Mos
fet(trongv
ngxanh
)
iu
khinc
pngu
nc
ho
CPU
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Bacp
Mos
fet(trong
xan
h)
iu
khinc
pngu
nc
ho
CPU
ICt
odaongiu
khinc
cnM
os
fet
c
pngu
nc
ho
CPU
Xem
s
nguynlmchcpngunchoCPU
Kimtram
chcpngunchoCPUnhsau:
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Khichagn
CPUthotichnracpngun
choCPU(otrn
cccundyL1,
L2,
L3strn)phil0
V
KhignCPU(tt)vothchncpnguncho
CPUrangvi
inpghitr
nCPU
=>Thomn
haiiukhintrnlmchiuk
hinngunchoCPU
hotngtt.
Cctrnghp
saulhngmchiukhinngunchoCPU
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ChalpCPUvoMainboardnhngci
npratrncccun
dyL1,
L2,L3
.
KhilpCPUv
othinpracpchoCPUsaisoviinpghi
trnthnCPU
.
=>CctrnghptrnldohngmttrongccnMosfethoc
hngICtodaong,
Bncnkimtratheohngnhsau:
=>ongun
cpchoIC,
ICccpngunl
5V(MainPen4)
hoccphain
gunl5Vv12V(MainPen3).
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IC
daongiu
khinngu
ncp
cho
CPU
trn
Ma
inboard
Pen
tium
4
Kimtracc
nMosfetiukhinngun
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n
Mos
fetiu
khinngu
n
kimtrabncngmihnchnGvchnSrasauokim
tra.
SauylmtskinthcvnMosfet
Mosfet(Transistortrng)-Cutovphn
gphp
kimtra
HnhdngMosfet
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1.MosfetlTransistortrngccutokhcviTransistorthng
thng,chn
gcnhycaohnvcs
dngtronghuht
ccbngun
Monitor,mchiukhinngun
trnMainboard
2.Cuto.
Mos
fet
Trans
istor
Mosfetc3ccl
G(cccng),
D(ccthot),S(ccngun)
vnguynlh
otngchngtngtvi3ccB,
C,
Eca
Transistorthngthng,nhngvcutoch
ngkhcvin
BCE.
+Ccngun(S)vccthot(D)cnivihaichtbndnN
ttrnnnctnhcchin,
khonggiahai
cclvngngho
intchtdo
.
+Cccng(G)ctbntrnkhongtrn
ggiahaiccNv
cclybngmtlpcchinlSiO2
,ccGcchinhonton
viccDvc
cS.
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+Khichomt
inpchnhlchvohaiccD
vSthkhngc
dnginchyquanhngkhitaamtinpdngvoccG,
inpnysinhrahiungtrngtrongkhongtrnggiahailp
bndnN,v
ditcdngcattrngthxuthindngin
chyquatccDsangccS.
inptv
ochnGkhngtoradngin
GSmchtora
hiungtr
ngtrongMosfetvvymttnhi
uccngrt
yucngcthlmchoMosfetmrtmnh.
Dnginch
yquahaiccD-Schphthuc
voinpchnG
mkhngph
thucvocngcatnhiu
=>VvyMos
fetccoillinhkincnhyrtcaovchng
csdngtrongccbngunMonitorvccbngunca
nhiuthitbintcaocpngynay.
3.Thnghimv
shotngcaMosfet.
Thnghimv
s
ho
tngca
Mos
fet
KhiK1ngintchnpvotC1lmcho
nMosfetdn,
khiK1
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m
,intch
trntC1vntntidokhngcdngGSdon
Mosfetvndu
ytrsdninchonkhicng
tcK2ng,in
ptrntC1thot=0Vthnmitt.
4.KhiucaM
osfet
MosfetthngckhiulK...,
2SK...,
IRF...
Thd
K324
0,
IRF630vv..
trongnKc
cngsutlnhn
vthngs
dngtrongmchngun,ccn
IRFccngsutnh
hnnnsdngtrongmchcngtc,mchReguvtsdng
trongmchng
un.
Khiuca
Mos
fet
Quynhvcccc:
-CcG-b
ntri
-CcD-g
ia
-CcS-bnphi.
5.okimtraM
osfet
Chunb:
nghthangx1K
NulMosfe
tcnttthktquosnhsau:
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ogiaGv
Schaichiukimkhngln
ogiaGv
Dchaichiukimkhngln
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DngTvtch
pGvoDthotintrncc
G
SaukhiGthotinccGthogiaDv
Scmtchiukim
khngln(ch
iuqueenvoDquevoSkimkhngln)
-----------------------------------------------------------
Cctrngh
psaulMosfetbhng
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ogiaGv
Skimln=>lchpGS
ogiaGv
DkimlnlchpGD
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HocmcdthotinchnG
ogiaDvSkimvnlnsaukhithotinccGlbchp
DS
----------------------------------------------------------
nhminhho
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Trnghp
kimtrainpcpchoCPUbnhthng,
MainboardcdaongnhngvnkhngsngccnOSC
vBIOS
=>Trngh
pnycthdoChipsetbli
=>
Dngmy
hnkhkhliChipsetnam
KimtrathyMosfethng
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Kh
lic
hipse
tnam
b
ngm
y
hn
kh
CPUhot
ngnhngkhngtruycpBIOS
Biuhin:nBIOStrnCardTestMainboardkhngsng
=>Trngh
ptrnthngthngdoliBIOS
=>ThayBIOS
lytMainboardcngchnglo
isangth
Lu:NuB
IOS(cngs)nhnglytMainboardkhclois
khngchycvphnmmbntrongBIOS
chngkhcnhau.
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Bnh4:Mttron
gcccngchut,bnphmho
ccngUSBb
mttc
dng.
Nguynnhnm
ttcdngchut,bnphm.
HngICgiaotipchut,bnphm.
nhn
bitICg
iao
ti
pbnc
thdngc
tc
cc
ng
chutbn
phmv(s
dng
thangx
1o
thngmc
h)
Nguynnhnm
ttcdngcngUSB
VicngUSB
khnghotngbncnhnliChipsetnam(dng
myhnkhli)vtnhiuaracngnyclytChipset
nam.
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Trangch
C
ng
USBly
tn
hiu
tChipse
tnamv
rangu
n5V
ly
tngu
n5Vc
hnhca
Ma
inboard
DngcsachaMy
tnh
SachaccbnhcaM
ytnh
PhngphpsachaMainboard
Bac
hKhoaElectronic
-Mobil:0912.4
21.9
59
-Email:Daotaotructu
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