Huong+Dan+Sua+Chua+Modem+3g+Viettel

Edited by Foxit Reader Copyright(C) by Foxit Software Company,2005-2006 For Evaluation Only.

Edited by Foxit Reader Copyright(C) by Foxit Software Company,2005-2006 For Evaluation Only.

CNG TY VIN THNG VIETTEL M hiu: HD.01.BHC.01

Hy ni theo cch ca bn

HNG DN SA CHA MODEM 3G (MC 3,4)

Ngy c hiu lc: Ln ban hnh: 01 Trang: 2

/ /2010

1. Mc ch: - Hng dn nghip v, k nng sa cha bo hnh modem 3G cho cc CNVT tnh/tp mc cao nht. - Tng bc xy dng h thng ti liu hng sa cha, bo hnh chuyn nghip, thng nht trn ton quc. 2. Phm vi p dng: - Nhn vin bo hnh thit b u cui ti phng bo hnh TBC cc CNVT tnh/tp. - Nhn vin bo hnh thit b u cui ti im bo hnh khu vc. 3. Ti liu lin quan: - Ti liu hng dn sa cha bo hnh ca hng sn xut - S nguyn l modem 3G - S b tr linh kin modem 3G 4. nh ngha v thut ng 4.1. nh ngha Mc sa cha modem c chia lm 4 mc theo th t t d n kh (mc 1 n mc 4) c nh ngha chi tit nh sau: TT Ni dung cng vic Np li phn mm, v sinh cng USB, Sim Card, th nh nhng khng m tem bo hnh. V sinh ton b trn mainboard, sa cha, thay th cc linh kin khng qu 3 chn (Transistor, i t, t, tr, cun cm, ESD) Sa cha, thay th cc loi IC trn mainboard ngoi tr cc IC thuc khi logic (CPU, FLASH, RAM) Sa cha, thay th cc IC thuc khi logic (CPU, FLASH, RAM) Mc 1 Mc 2 Mc 3 PTBC Mc 4 KV

CHTT 1

2

3

4





/ /2010

4.2.

T vit tt Ni dung ting Anh Intergrated Service Digital Network Code Division Multiple Access Global System Mobile Communication General Packet Radio Service International Mobile Equipment Identity Liquid Crystal Display Multimedia Message Service Personal Identifier Number Public Switched Telephone Network Personal Unblocking Mobile Station Subscriber Identity Module Short Message Service Base Transceiver Station Wireless Application Protocol ngha Mng s a dch v a truy nhp phn chia theo m H thng truyn thng di ng ton cu Dch v v tuyn gi tng hp Nhn dng phn bit thit b thit b di ng quc t Mn hnh tinh th lng Dch v tin nhn a phng tin M s nhn dng c nhn Mng in thoi chuyn mch chung M m s nhn dng c nhn Trm di ng M-un nhn dng thu bao Dch v tin nhn ngn Trm thu pht gc Chun kt ni khng dy ca in thoi di ng vi INTERNET v cc dch v khc Mng cc b v tuyn Ch dng xoay chiu Ch dng mt chiu B chuyn i tng t - s B chuyn i s - tng t S s-ri ca my hay thit b

Vit tt ISDN CDMA GSM GPRS IMEI LCD MMS PIN PSTN PUK MS SIM SMS BTS WAP

WLAN Wireless Local Area Network AC DC ADC DAC S/N Alternating Current Direct Current Analog to Digital Converter Digital to Analog Converter Serial Number





/ /2010

PHN I: HNG DN SA CHA MODEM MF100/110 1.1. Mt s thng s k thut chnh ca MF100/110 TT 1 2 3 4 5 6 7 8 Ni dung Bng tn s dng Tc Downlink (HSPDA) Tc Uplink (HSUPA) Kch thc Trng lng Giao tip Chp QUALCOMM Th nh ngoi MF100 GSM850/900/1800 /1900Mhz, WCDMA2100 3.6 Mbps 384 Kbps 85*26.0*11mm 23g USB 2.0 MSM6246 C MF110 GSM850/900/1800 /1900Mhz, WCDMA2100 7.2 Mbps 5.76 Mbps 85.6*26.0*11.5m m 24g USB 2.0 MSM6290 C

1.2. S khi ca MF100 v MF110

MSM6246





/ /2010

1.3. Hnh nh v m t chc nng nhim v ca cc khi chnhD603 G1 IC qun l ngun Thch anh 19.2Mhz (gy li ngun) (gy li ngun, sng) im kt ni USB Bo v ng d liu USB D801 Flash + SRAM (gy li ngun) VD604 i t bo v L609 Cun cm ngun (gy li ngun) DP2 B song cng (gy li sng) Z2 B lc SAW (gy li sng) D1 Cng sut W1900 (gy li sng) D1 Cng sut WCDMA (gy li sng)

X2 D1 X1 im ni RF test Cng sut WCDMA im ni RF test (gy li sng) (gy li sng) (gy li sng) D7 Cng sut GSM/EDGE (gy li mt sng, sng yu)

Hnh nh mt trn ca mainboard MF100/MF110J604 Jc ni main chnh v main ph

D901 CPU MSM6246/6290 ( gy li ngun, sng, giao tip ngoi vi...)

D8 IC x l tn hin cao tn (gy li ngun, sng) Cun cm n hin th trng thi

S1 Chuyn mch Anten GSM/WCDMA (gy li mt sng, sng yu)

Hnh nh mt di ca mainboard MF100/MF110

Tip xc Sim Card ( gy li khng nhn Sim)

IC chuyn i DC-DC (gy li mt ngun, chp chn)

Khay cm th nh (gy li khng nhn th nh)

Hnh nh mainboard ph ca MF100/MF110





/ /2010

1.4. Lu sa cha my mt ngun (bt khng ln ngun)Th t thc hin Ni dung hng dn Mc sa cha

Cm modem vo cng USB ca my tnh

Kim tra ngn mch ca VPH_PWR N

Y

Hn li hoc thay th C812, C816, C818, IC ngun PM6658, Cng sut

- Thng thng s dng phng php loi tr xc nh - Dng phng php o xc nh t c b r hay chp v dn n ngn mch. - in p ny cung cp cho phn x l trung tm nn cn kim tra k cc t lc ngun trc khi kt lun MSM6246/6290 - T lc nhiu trn main nn khi t r s nng rt nhanh khi bt ngun - Khi ht ngn mch do thay th hoc hn li linh kin cn kim tra li in p cung cp xem mc in p c khng - Khi thay th FLASH cn np phn mm bng Labtool chc chn phn mm l tt - T mi thay th phi c gi tr ng vi t trn mainboard. - Khi khng b ngn mch nhng in p khng hoc khng c cn lm li chn PM6658 trc khi thay th - Mch bo v l mch ch hot ng 1 ln duy nht khi c s c thit b, sau ln hot ng mch s b hng, thng thng mch bo v s chy, chp, n, nhn thy r bng mt thng

1,2,3,4

VREG_MSMC c ngn mch? N

Y

Hn li hoc thay th L609, C856, PM6658, MSM6246/6290

3,4

VREG_MSME c ngn mch? N

Y

Hn li hoc thay th C854, FLASH/SDRAM, PM6658

3,4

VREG_MSMP/VRE G_MSMA c ngn mch? N

Y

Hn li hoc thay th C853, C929, PM6658

3,4

Mch bo v ESD c bnh thng? Y Np li phn mm v KT THC

N

Thay th ngay nu thy c bt thng

3,4

3,4

L609 3,8V

D604 DC/DCD607 5,0V

C813 5,0V

Edited by Foxit Reader Copyright(C) by Foxit Software Company,2005-2006 CNG TY VIN THNG VIETTEL M hiu: HD.01.BHC.01 For Evaluation Only.




/ /2010

MSMA C929 2.60V

MSME C854 1.80V

MSMP C853 2.60V

MSMC C856 1.20V

Thanh dat vung tau

TCXO C155 1.20V

Hnh nh minh ha cc im o th phn ngun MF100/MF110





/ /2010

1.5. Lu sa cha my li np phn mmTh t thc hinCm modem vo cng USB ca my tnh

Ni dung hng dn

Mc sa cha

Khi ng c ng cch thc khng? Y

N Cn kim tra theo cc bc sa cha my li ngun

Chc chn PM6658 hot ng bnh thng Y Tn hiu USB data c bnh thng khng? Y Hn li hoc thay th FLASH, MSM6246

N

Thay th PM6658

- Vic xc nh trng thi ng li np phn mm bng cc phi kt ni vi my tnh - Li phn mm khi my vn bt c ngun hoc cc bc o kim tra li ngun c thc hin hon chnh - Trc khi thay th cn lm li chn chc chn cc mi hn tt - Trc khi thay th cn thc hin o cc mc in p u ra ca IC PM6658 - Trng hp ny c th do cng USB ca my tnh b li nn khng np c phn mm - Thay i PC xc nh chc chn cng USB ca PC l tt - Trc khi thay th FLASH cn np li phn mm bng Labtool, khi FLASH khng li phn cng nhng mt File boot th cng khng np c phn mm

3,4

3,4

N

Chuyn sang np phn mm my tnh khc, hoc cng USB khc

3,4

3,4

KT THC

26MHz

FLASH

CPU





/ /2010

1.6. Lu sa cha my khng nhn th SIMTh t thc hin Ni dung hng dn Mc sa cha


- Lm theo hng dn x l li ngunKhi ng ngun c khng? Y V sinh, hn li hoc thay th cc tip im Sim cho tt Kim tra li mch khi ng N ngun

1,2,3,4

Tip xc Sim tt khng? Y

N

in p VREG_UIM ng khng? Y Hn li hoc thay th MSM6246/6290 IC

N

Thay th ESD(FV602) hoc PM6658

- Thay th connecter Sim cn ch n v nha bao bc, khng v nha bin dng do nhit - Thc hin cc thao tc v sinh v o tr khng trc khi thay - Khi tr khng khng ng vi tiu chun ca my tt cn kim tra ESD trc - Trng hp in p cp cho Sim khng ng cn hn li PM6658 v cc t in lin quan trc khi thay th - khi thay th MSM6246/6290 cn ch n FLASH IC mt main sau trnh tnh trng qua nhit lm hng n IC hoc mainboard

3,4

3,4

3,4

KT THC

FV602

CPU 6246/6290





/ /2010

1.7. Lu sa cha my khng nhn th nh T-flashTh t thc hinCm modem vo cng USB ca my tnh

Ni dung hng dn

Mc sa cha

- Lm theo hng dn x l li ngunKhi ng ngun c khng? Y V sinh, hn li hoc thay th cc tip im th nh cho tt Kim tra li mch khi ng N ngun

1,2,3,4

Tip xc T-flash tt khng? Y

N

in p VREG_MMC ng khng? Y Hn li hoc thay th MSM6246/6290 IC

N

Thay th ESD (FV 801 FV802) hoc PM6658

- Thay th connecter th nh cn ch n v nha bao bc, khng v nha bin dng do nhit - Thc hin cc thao tc v sinh v o tr khng trc khi thay - Khi tr khng khng ng vi tiu chun ca my tt cn kim tra ESD trc - Trng hp in p cp cho th nh khng ng cn hn li PM6658 v cc t in lin quan trc khi thay th - khi thay th MSM6246/6290 cn ch n FLASH IC mt main sau trnh tnh trng qua nhit lm hng n IC hoc mainboard

3,4

3,4

3,4

KT THC

FV801 FV802

CPU 6246/6290





/ /2010

1.8. Lu sa cha my li ng h thi gian thcTh t thc hin Ni dung hng dn Mc sa cha


- Lm theo hng dn x l li ngunKhi ng ngun c khng? Y Thay th thch anh v cc t in lin quan Kim tra li mch khi ng N ngun

2,3,4

C dao dng 32.768KHz khng? Y

N

- Cn ch n cc chn ca thch anh khi thay th. - Nhit va cho thch anh tip xc tt, khng b quay li do mi hn - Cn kim tra thm cc mc in p do PM6658 cung cp cho cc mch dao ng

3,4

C dao ng 19.2MHz khng? Y KT THC

N

Hn li hoc thay th PM6658 v cc t in lin quan

3,4

IC Ngun

Thch anh 32,768KHz





/ /2010

PHN II: HNG DN SA CHA MODEM E1550/1570 2.1 Thng s k thut chnh TT 1 Ni dung Tiu chun k thut M t k thut WCDMA/HSDPA R5/GSM/GPRS/EDGE R99 HSDPA/UMTS 2100 MHz: Hng ln: 1920-1980 MHz Hng xung: 2110-2170 MH EDGE/GPRS/GSM 1900 MHz: Hng ln: 1850-1910 MHz Hng xung: 1930-1990 MHz EDGE/GPRS/GSM 1800 MHz: Hng ln: 1710-1785 MHz Hng xung: 1805-1880 MHz EDGE/GPRS/GSM 900 MHz: Hng ln: 880-915 MHz Hng xung: 925-960 MHz EDGE/GPRS/GSM 850MHz: Hng ln: 824849 MHz Hng xung: 869894 MHz H tr giao tip USB 2.0 tc cao 3 Giao tip m rng H tr giao tip Micro SD Card Giao tip SIM/USIM Card theo tiu chun 6 chn HSDPA/UMTS 2100 MHz: +24 dBm (Power Class 3) GSM/GPRS 850/900 MHz: +33 dBm (Power Class 4) GSM/GPRS1800MHz/1900MHz: +30 dBm (Power Class 1) EDGE 850/900MHz: +27 dBm (Power Class E2) EDGE 1800MHz/1900MHz: +26 dBm (Power Class E2) 5 6 7 Cng sut tiu th Ngun cung cp LED 2.5W 5V/500mA n hin th trng thi E1550

2

Tn s hot ng

4

Cng sut ti a





/ /2010

2.2 Kt cu mainboard v chc nng cc khi chnhim tip xc Anten chnh Tip xc khng tt: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng U3201: Chuyn mch Anten Chuyn mch hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng D202: n LED n hng: Khng hin th c cc trng thi ca modem, LED khng sng

J3201: Jc kt ni RF m rng Jack kt ni hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng

U3301: b tng hp tn hiu cao tn U3301 hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng

U3501: Cng sut mng GSM U3501 hng: Khng th kt ni vi mng GSM

U401: LVCMOS b cp ngun cho dao ng U401 hng: Khng th nhn dng c USB

Z3401 b lc SAW Z3401 hng: Khng c tn hiu, khng kt ni vi mng W900 U3401: Cng sut mng W900 U3401 hng: Khng kt ni c vi mng WCDMA900 U3103: b lc chia ng U3103 hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng W900 U301: MSM6246 khi iu khin chnh (CPU) U301 hng: Khng khi ng c ngun, khng c tn hiu... U302: FLASH b nh chng trnh phn mm U302 hng: Khng m c ngun, modem khng khi ng c.

U3101: Thch anh dao ng 19.2MHz U3101 hng: Modem khng bt c ngun, li khi ng thit b J4001: Jc ni RF m rng J4001 hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng

im tip xc Anten ph Nu tip xc khng tt: Khng c tn hiu, tn hiu yu.

J101: Jack kt ni vo ra J101 hng/gy: Khng m c ngun, my tnh khng th nhn dng c USB modem

D101: it bo v D101 hng (ngn mch): Khng m c ngun, my tnh khng th nhn dng c USB modem





/ /2010

D601: i t bo v D601 hng: Khng nhn dng c UIM Card

J601: Khay Sim v khay th nh J601 hng: Khng nhn dng c th nh/UIM Card

U3801: IC x l tn hiu cao tn WCDMA/GSM U3801 hng: Khng c tn hiu, tn hiu yu, khng th kt ni vi mng GSM/W2100 U101: IC qun l ngun (hn dng cao t USB PC) U101 hng: Modem khng th khi ng ngun

Z4002: B lc SAW Z4002 hng: Khng c tn hiu, tn hiu yu

Z3702: B lc SAW Z3702 hng: Khng c tn hiu, tn hiu yu vi mng W2100

U102: IC chuyn i ngun (t 5.0V xung 3.8V) U102 hng: Modem khng th khi ng ngun

U210: IC ngun U201 hng: Modem khng th khi ng ngun

L101: Cun cm cp ngun 3.8V L101 hng: Modem khng th khi ng ngun

X201: Thch anh 32.768KHz X201 hng: Modem khng th khi ng ngun

L204: Cun cm L204 hng: Modem khng th khi ng ngun

Thanh dat vung tau





/ /2010

2.3 Lu sa cha my li mt ngun Th t thc hin cc bc kim tra sa cha cc khi nh sau:1.1 J101 1.2 D101 1.3 U101 1.4 U102

1.6 U101

1.5 U101

1.1

Kim tra Jack kt ni USB, hn li nu thy cn thit

Thay th J101 nu J101 chc chn hng

1.2

Kim tra i t D101 ti chn 1 ca J101 c b ngn mch khng

Thay th D101 nu i t hng

1.3

Kim tra, hn li U101

Thay th U101 nu hng (thng n khi qu dng)

1.4

Kim tra hn li U102

Thay th U102 nu hng





/ /2010

1.5

Kim tra hn li L101

Thay th L101 nu hng

1.6

Kim tra hn li U210

Thay th U201 nu hng

Ngoi ra khi modem mt ngun cn cn kim tra n CPU, FLASH, VCO 2.4 Lu sa cha my li USB, khng np c phn mm.1.1J101

1.2RV101/RV102

1.3R447/R448

1.4U401

1.1

Kim tra Jack kt ni USB, hn li nu thy cn thit

Thay th J101 nu J101 chc chn hng

1.2

Kim tra ngn mch ca RV101/RV102

Thay th RV101/RV10 2 nu b ngn mch vi mass





/ /2010

1.3

Kim tra gi tr in tr R447/R448 l 0

Thay th nu R447/R448 nu gi tr ca n khc 0

1.4

Kim tra hn li U401

Thay th U401 nu hng

Lu : trong qu trnh np phn mm nu USB modem khng np c hoc ang np phn mm b dng li v khng ln ngun cn phi u im Testpoint (TP421) th USB mi c th np li c phn mm.

u im TP421 xung t (GND)

2.5 Lu sa cha my li khng nhn SIM.1.1J601

1.2D601

1.3U201

1.4U301

1.1

Kim tra J601 c bnh thng khng

Thay th J601 nu c s bt thng

1.2

Kim tra ngn mch ca D601

Thay th D601 nu thy ngn mch





/ /2010

1.3

Hn li U201 nu in p cp cho sim khng 3V

Thay th U201

1.4

Kim tra hn li U301

Thay th U301

2.6 Lu sa cha my li khng nhn th nh.

1.4

Kim tra li J601, sa cha nu thy bt thng

Thay th J601

1.3

Hn li U201 nu in p cp cho sim khng 3V

Thay th U201

1.4

Kim tra hn li U301

Thay th U301

2.7 Li ng thu ph i vi mng WCDMA 2100M.1.1Tip im

1.2Z4002

1.3L4003

1.4U3801





/ /2010

1.1 Tip im

Kim tra tip im anten c bnh thng khng

V sinh sch s

1.2

Hn li b lc Z4002

Thay th Z4002

1.3

o kim tra cun cm L4003

Thay th L4003

1.4

Hn li U3801

Thay th U3801

2.8 Li ng thu chnh i vi mng WCDMA 2100M.1.1 Tip im 1.2 J3201 1.3 U3201 1.4 U3301

1.6 U3801

1.5 Z3702

Thanh dat vung tau





/ /2010

Tip im 1.1

Kim tra tip im

V sinh sch s

1.2

Kim tra J3201

Thay th J3201

1.3

Kim tra hn li U3201

Thay th U3201

1.4

Kim tra hn li U3301

Thay th U3301

1.5

Kim tra hn li Z3702

Thay th Z3702

1.6

Kim tra hn li U3801

Thay th U3801





/ /2010

2.9 Lu sa cha li ng pht i vi mng WCDMA 2100M.1.1 U3801 1.2 L3801 1.3 U3301 1.4 U3201

1.6 Tip im

1.5 J3201

1.1

Kim tra hn li U3801

Thay th U3801

1.2

Kim tra L3801

Thay th L3801

1.3

Kim tra hn li U3301

Thay th U3301

1.4

Kim tra hn li U3201

Thay th U3201

1.5

Kim tra hn li J3201

Thay th J3201

Tip im 1.6

Kim tra tip im

V sinh sch s





/ /2010

2.10Lu sa cha li ng thu i vi mng WCDMA 900M.1.1 Tip im 1.2 J3201 1.3 U3201 1.4 U3403

1.6 U3801

1.5 Z3702

Tip im 1.1

Kim tra tip im

V sinh sch s

1.2

Kim tra J3201

Thay th J3201

1.3

Kim tra hn li U3201

Thay th U3201

1.4

Kim tra hn li U3403

Thay th U3403

1.5

Kim tra hn li Z3702

Thay th Z3702

1.6

Kim tra hn li U3801

Thay th U3801





/ /2010

2.11Lu sa cha li ng pht i vi mng WCDMA 900M.1.1 U3801 1.2 Z3401 1.3 U3401 1.4 U3402

1.6 Tip im

1.6 J3201

1.6 U3201

1.5 U3403

1.1

Kim tra hn li U3801

Thay th U3801

1.2

Kim tra hn li Z3401

Thay th Z3401

1.3

Kim tra hn li U3401

Thay th U3401

1.4

Kim tra hn li U3402

Thay th U3402

1.5

Kim tra hn li U3403

Thay th U3403

1.6

Kim tra hn li U3201

Thay th U3201





/ /2010

Kim tra J3201 1.7

Thay th J3201

Tip im 1.8

Kim tra tip im

V sinh sch s

2.12Li ng thu i vi mng GSM 850/900/1800/1900M.1.1Tip im

1.2J3201

1.3U3201

1.4U3801

Tip im 1.1

Kim tra tip im

V sinh sch s

Kim tra J3201 1.2

Thay th J3201

1.3

Kim tra hn li U3201

Thay th U3201

1.4

Hn li U3801

Thay th U3801





/ /2010

2.13Li ng pht i vi mng GSM 850/900/1800/1900M.1.1 U3801 1.2C3808/C3809

1.3R3501/R3504

1.4 U3501

1.6 Tip im

1.6 J3201

1.6 U3201

1.5R3508/R3509

1.1

Kim tra hn li U3801

Thay th U3801

1.2

Kim tra hn li C3808/C3809

Thay th C3808/C3809

1.3

Kim tra hn li R3501/R3504

Thay th R3501/R3504

1.4

Kim tra hn li U3501

Thay th U3501





/ /2010

1.5

Kim tra hn li R3508/R3509

Thay th R3508/R3509

1.6

Kim tra hn li U3201

Thay th U3201

Kim tra J3201 1.7

Thay th J3201

Tip im 1.8

Kim tra tip im

V sinh sch s

Thanh dat vung tau

Documents

Huong+Dan+Sua+Chua+Modem+3g+Viettel