💥 Happy birthday dear The'Jalu Pawar (AFS SOLUTIONS Brand Ambassador)

Case study
Dell 3521 (LA-9104P)
Fault - sometime on, display comes then shutdown within 1 minute
and some time didn't on
*Clue* - dc reading sometime 0.005 and sometime 0.003
👉 Clean the board
👉 Vin ok, 3/5v ok
👉 Check 3/5v output by DSO, there is little disturbance
👉 Replace output capacitor, now clear but problem not solved
👉 Check on/off switch - 2.3v and sometime 2.9v
👉 check impedance on Dc-Dc mosfets, output ok but input very low with buzzer
👉 Check LDO voltage, 5v ok but 3.3v not proper
👉 Apply flux and just resold all pins
💥 Boom
Problem solved
Display good and board continues on
Think simple and stupid 🙏🙏🙏

💥Case Study hp laptop, part number LA-C811P comes with in dead and liquid damage.
💥I open laptop find rust and & corrosion near core ic and charger ic.
💥Clean full motherboard and check any shorting. All good
💥Plug dc reeding goes to 0.0011 press power button laptop turn on and give display.
💥again i plug dc same reeding at that same time I connect battery also now reeding goes 11, 15, 0.007 back 11
💥for testing purpose I connect only battery and turn on laptop, laptop was turn on and give display now I connected dc now reeding 0.000. Removed battery also same. First fet not switch.
💥 first mosfet 0v on gate, remove discharging most same condition replaced first mosfet still same now i check charger ic requirement.
💥first vin for charger i have 3.48V back trace it found one resistor PRB6 10 ohm, one side 20v other side 3.48v check value showing value in Kilo ohm. I replaced that’s resistor now reeding back to 0.0011.
💥 Now i put back first mosfet laptop working fine and i put new discharging mosfet PQB13. Now connected battery and charger at same time and now battery also charging and laptop work fine.

💥💥💥Thanks to md Rafi Sir gives us 30 millisecond Technology💥💥💥

Join channel for free case studies

@FREE_LAPTOP_CASE_STUDIES

🍁Today Case Study Hp
🍁Part No. La-D711P
🍁Open Laptop 1st Check phisicaly and corrosion
🍁Nothing Found Connect with DC supply
🍁DC reading is 0.186 means shorting in MB
🍁Check Coil Impidance Found 3volt Coil Impidance Low
🍁First Open Jumper pad (PJ3)
🍁Check Impidance output side ok input side short
🍁Remove Standby ic (PU8) 8A
🍁After remove Impidance ok
🍁Replace 8A Standby ic with new
🍁After replace Connect with DC supply DC showing again short same reading
🍁But 3volt coil Impidance is ok
🍁Check Ic Impidance found VREG3 pin no.15 showing short again remove stand by ic
🍁Inject 1.5 volt on VREG3 pin
🍁io getting heat Remove io Kb9022 Programmable
🍁Now check Impidance pin no.15 showing good
🍁Put back Standby ic in motherboard
🍁Connect with DC supply without io check standby ic VREG3 and VREG5 is ok
🍁Now Replace old io with new fresh io
🍁Now connect with DC supply DC reading 0.001
🍁Check standby after Change io Vreg3 showing 0volt
🍁Again Remove one Jumper pad PJ4
🍁Now check with multimeter Vreg3 volt ok
🍁Remove io and put jumper back (PJ4)
🍁Vreg3 is ok it means my new io is also foulty
🍁Now i put io from scrap board
🍁Connect with DC supply DC reading 0.011😇
🍁Now connect with Programmer and program io
🍁after program triggered mb
🍁MB power on but no display DC reading is 200
🍁Back trace Check dc/dc circuit found U20 Dc ic
🍁Check this ic requirement all ok but 5volt not cross
🍁I don't have this ic remove ic and put jumper for testing purpose
🍁 Triggered mb finaly display come🥰🥰🥰
🍁35 out 100
🍁You have inspired me to go places that I never thought I would ever reach. Now I believe with hard work and dedication everything is possible. Thank you Rafi Sir Love u and God Bless u.

💥 Next comming video on YouTube

Watch "How to Use Professional Ultrasonic Machine for Laptop Chip level Repair" on YouTube
https://youtu.be/yV9Vwl1Gebs

Watch "Case Study's" on YouTube
https://www.youtube.com/playlist?list=PLiNJcE6woMrzqSLAo4v95MoWD5pEvbPz1

Richtek RT8206 = Intersil ISL6236
Rt8206b = tps51427 = isl6237
isl6236 = rt8206a = pm6686 = sn0608098 = max8778 max17101 max17020

rt8206 = isl6237 = tps51427a
51123 can be replaced by 51125 :apple:

i found that ISL6228 in :
Acer Aspire 7750 LA-6911p
Acer TravelMate 4730G LA-4221p
Acer Aspire 4935 4937 LA-4492p
Aspire Aspire 4736 KALG0 LA-4494P

bq24725A compatible with BQ24728


BIOS
W25Q16B with W25X16
SOIC8 interchangeability chips

32 Mbits (these chips are equivalent and interchangeable)

A25L032M-F AMIC
AMIC A25L032M-UF
MX25L3205DM2 Macronix
EN25F32-100H EON
W25X32VS WINBOND
WINBOND W25Q32VS
SST25VF032B SST

16 Mbits (these chips are equivalent and interchangeable)

A25L016M-F AMIC
AMIC A25L016M-UF
MX25L1605DM2 Macronix
EN25F16-75H EON
EON EN25F16-100H
-75H EN25D16 EON
EON EN25D16-100H
W25X16VS WINBOND
WINBOND W25Q16VS
SST25VF016B SST

8 Mbits (these chips are equivalent and interchangeable)
A25L080M-F AMIC
AMIC A25L080M-UF
MX25L8005M2 Macronix
EN25F80-75H EON
EON EN25F80-100H
W25X80VS WINBOND
F25L008A-50PA ESMT
ESMT F25L008A-100Pa
SST25VF080B SST

4 Mbits (these chips are equivalent and interchangeable)
A25L040M-F AMIC
AMIC A25L040M-UF
MX25L4005AM2 Macronix
EN25F40-75H EON
EON EN25F40-100H
W25X40VS WINBOND
F25L004A-50PA ESMT
ESMT F25L004A-100Pa
SST25VF040B SST

CTLAB parts replace laptop motherboard:
1. RT8205A=TPS51125
2. ISL62366=RT8206A
3. ISL6268=APW7318
4. TPS51117=RT8209B ao=ca AO=BM AO=CD AO=CA AO=BG AO=BG AO=CB AO=BL. AO=BG AO=BH 40. RT8209A=FH=CG CU1 FH=EE,FH=CC,FH=DD,FH=CL,FH=8JFH=CF,
5. TPS51116=RT8207 ISL6227=APW7108

6. TPS51125=RT8205B=UP6182
7. TPS51123=RT8223M=UP1585QQAG(20=el,20=df,20=ef..... ..rt8223p)eq=cg,eq=dm,eq=do,eq=dd=da=dc=dkrt8223m RICHTEK RT8223BGQW RT8223B DS=CC DS=CD DS=CE DS=CF DS=BJ DS=BK

8. P2805MF=G5933
9. SN608090=ISL6237=TPS51427=RT8206B
10. ISL6237=MAX17020=MAX8778=TPS51427=RT8206B
11. PM6686=TPS17020=isl6236=rt8206a
12. U1585QQAG(EM=EC)=51123A=RT8223P(EQ=XX)
13. MAX8734A=RT8203
14. MAX1908=MAX8724
15. ISL88731=BQ24745
16. ISL6266=ISL6262
17. ISL62883=ISL62882
18. ALC660=ALC883
19. RT8223=51123
20. (DH=CH)=(DH=CA)=RT8207 CP=DD,CP=CF,DH=EA,CP=AJ(DH=,CP=) 
21. W8769=W8763
22. SN608090=ISL6236=51427=RT8206B
23. KB9206QF C0,D2,D3 ARE INTERCHANGEABLE
24. IT8500E=IT8512=IT8502
25. ISL6262=ISL6266
26. ISL62883=ISL628823
27. RT8205(A)=RT8223
28. RT8206B=ISL62373
29. ITE8512EKXS=ITE8512EKXO
30. MAX8734A=RT82032
31. J493(G966-93)RT9018B(DELL VOSTRO 1015) ES=EF ES=CL ES=DD
32. (EF=DE 41J)=RT8207LGQW EF-EF-DE-. EF=CM EF=CG EF=CF EF EF=CM EF=DG EF=DE EF=CG EF=DF
33. (CJ=CL 40W)=TPS51125
34. PM6686=TPS17020
35. UP1585QQAG(MARKED EC EM)=TPS51123A=RT8223P(MARKED EQ=) RICHTEK RT8223BGQW RT8223B DS=CC DS=CD DS=CE DS=CF DS=BJ DS=BK
36. RT8205(A0=TPS51125%
37. EF=DE 41J---------------RT8207LGQW
38. CJ=CL 40W------------ TPS51125
39. TPS51125A=RT8205BGQW=(CK=CD C47)
40. RT8209A=FH=CG CU1 FH=EE,FH=CC,FH=DD,FH=CL,FH=8JFH=CF,

41. RT8204C H6=CH,H6=CB,H6=CG,H6=BE,H6=CC ETC JOX RT8204BGQW (FR=AH FR=AM FR=
42. RT8205=TPS51125
43. SN10504=SN0608098 RHBR
44. MAX1908=MAX8724
45. ISL6266=ISL6262
46. RT8205=RT8223 
order;
ncp6131
tps51225
tps51216
tps51219
isl 6228
bq24735
TPS51511 +vddc_gpu
PM6652TR +vgfx
TPS51621RHAR
TPS51218 1.5v. & vtt volt pizi 1189 14 pin
TPS51621RHAR

6236 INTERSIL ISL6236IRZ
62392 INTERSIL ISL62392HRTZ 
6259 INTERSIL ISL6259AHRTZ
6265 INTERSIL ISL6265AHRTZ
6265 INTERSIL ISL6265CHRTZ 
6267 INTERSIL ISL6267HRZ
6269 INTERSIL ISL6269CRZ
6277 INTERSIL ISL6277HRZ
62882 INTERSIL ISL62882HRTZR 
88731 INTERSIL ISL88731AHRZ
88731 INTERSIL ISL88731CHRTZ 
95831 INTERSIL ISL95831HRTZ 
95836 INTERSIL ISL95836HRTZ 
98602 INTERSIL ISL98602IRAAZ 
1909 MAX1909EVKIT 
8725 MAX8725EVKIT
8731 MAX8731AEVKIT
8744 MAX8744E 
8770 MAX8770GTL
8771 MAX8771GTL
MICREL KSZ8721B ??????? ?????
2136 RTD2136R
269 ALC269 6*6mm
8015 RT8015AGQW
8202 RT8202APQW (dj=ae)
8204 RT8204BGQW (FR=AH FR=AM FR=
8205 RT8205AGQW CJ=BM CJ=BK CJ=BJ CJ=AK CJ=BD

8205 RT8205BGQW Cj=da Cj=bk Cj=ce Cj=al Cj=bm
8205 RT8205CGQW CJ=BM CJ=BK CJ=BJ CJ=AK CJ=BD

8205 RT8205EGQW dt=ca dt=cb dt=cc dt=ch dt
8205 RT8205LGQW EM= EM=ED EM=CH EM=DC EM=

db EM= EM=ED EM=CH EM=DC EMdj
8206 RT8206AGQW
8206 RT8206BGQW
8206 RT8206LZQW 
8207 RT8207LGQW EF-EF-DE-. EF=CM EF=CG EF=CF EF EF=CM EF=DG EF=DE EF=CG EF=DF
8207 RT8207MZQW j7 em

8208 RT8208BGQW 
8209 RT8209BGQW ao=ca AO=BM AO=CD AO=CA AO=BG AO=BG AO=CB AO=BL. AO=BG AO=BH

8223 RT8223MGQW
8223 RT8223PGQW
8239 RT8239BGQW JC=CF,JC=ED,JC=IC,JC=EA,JC.jc=do,jc=ec

8239 RT8239CGQW jd=de jd=ee jd=db jd=dc jd eq=fj JD=DE JD=EE JD=DB JD=DC JD=DG

8243 RT8243AZQW 8A EE 8A EF 8A EC
9297 RT9297GQW EZ=ED EZ=EH EZ=CD
Flash KLMAG2GE4A-A001 16G
24003 TI BQ24003
24170 TI PBQ24170 BQ24170
24703 TI BQ24703
24705 TI BQ24705
24707 TI BQ707 BQ24707
24707 TI BQ707A BQ24707A
24715 TI BQ24715 BQ715 XQ24715 XQ715 
24721 TI BQ24721
24721 TI BQ24721C 24721C
24725 TI BQ725 BQ24725

24725 TI BQ725A BQ24725A
24726 TI BQ726 BQ24726
24727 TI BQ727 BQ24727
24728 TI BQ728 BQ24728
24735 TI BQ735 BQ24735 
24736 TI BQ24736 BQ736
24737 TI BQ737 BQ24737
24738 TI BQ738 BQ24738 
24740 TI BQ24740
24741 TI BQ24741
24742 TI BQ24742
24745 TI BQ24745
24747 TI BQ24747
24750 TI BQ24750 
24751 TI BQ24751 BQ 24751
24751 TI BQ24751A 24751A 
24751 TI BQ24751B 24751B
24753 TI BQ24753A 24753A 
24760 TI BQ24760
24762 TI PQ24762 BQ24762
24765 TI BQ24765
51117 TI TPS51117
51124 TI TPS51124
51219 TI TPS51219 
51225 TI TPS51225
51621 TI TPS51621
W25Q16BVSIG
W25Q32VSIG
W25X10AVNIG
W25X10BVNIG
W25X40BVNIG

· G86-631-A2 = G86-621 = G86-620 = G86-630 = G86-603 = G86-920
· G86-920-A2 = G86-921-A2
· GF-GO7200-N-A3 = GF-GO7300T-N-A3
· GF-GO7300-N-A3 = GF-GO7300T-N-A3
· GF-GO7400-N-A3 = GF-GO7400T-N-A3
· QD-NVS-110M-N-A3 = QD-NVS-110MT-N-A3
· G86-740-A2 = G86-741-A2
· GM45 = GL40
· HM55 = HM57
· HM65 = HM67
· 216-8018 = 216-8020
· 216-4026 > 216-4024 > 216-4022
· 216PABGA13F = 216PACGA14F
· 216PBCGA15FG = 216PBCGA15F
· 216QMAKA14FG = 216RMAKA14FG
· 216RMAKA14FG = 216QMAKA14FG
· 216MJBKA15FG = 216MJBKA11FG216PNAKA13FG = 216PMAKA12FG
· 216PQAKA12FG = 216PQAKA13FG
· 216PQAKA13FG = 216PQAKA12FG
· 216PMAKA13FG = 216PMAKA12FG
· 216PLAKB26FG = 216PLAKB24FG
· 216CPIAKA13FL = 216CPIAKA13F
· 216BS2BFA22H = 216BS2BFB23H
· 216DCP4ALA12FG = 216ECO4ALA13FG
· 216MSA4ALA12FG = 216MCA4ALA12FG
· 216MPA4AKA21HK = 216MPA4AKA22HK
· 216-0674024 = 216-0674026
· 216-0707007 = 216-0707001
· 216-0707001 = 216-0707011
· 216-0707005 = 216-0707009
· 216-0707009 = 216-0707005
216-0707011 = 216-0707001218S4PASA14G = 218S4PASA13G
· 218S4EASA31HK = 218S4EASA32HK
· 215NSA4ALA12FG = 216MSA4ALA12FG
· 216-0772003 = 216-0772000

KB926QF = C0, C1= D2,D3
· IT8500E = IT8502E = IT8512E
· WPCE775 = WPC773
· WPC8763 = WPC8769
· SMSC KBC1098 = SMSC MEC1308
· RT8205A = TPS51125
· ISL6236 = RT8206A = PM6686
· ISL6268 = APW7138
· TPS51117 = RT8209B
· TPS51116 = RT8207ISL6227 = APW7108
· TPS51125 = RT8205B = UP6182
· TPS51123 = RT8223M
· P2805MF = G5933
· SN608090 = ISL6237 = 51427 RT8206B
· ISL6237 = MAX17020 = MAX8778 = TPS51427 = RT8206B
· PM6686 = TPS17020
· UP1585QQAG (EM = EC) = TPS51123A = RT8223P ( EQ=XX)
· MAX8734A = RT8203
· MAX 8724 = MAX1908
· ISL88731= BQ24745
· ISL 6266 = ISL 6262
· ISL 62883 = ISL 62882
· ALC883 = ALC660
· RT8223 = 51123
· (DH=CH)= (DH=CA)= RT8207
· W8769 = W8763
· SN608090 =ISL6237 = 51427 = RT8206B
·
· IT8500E = IT8502 = IT8512
· ISL6266 = ISL6262
· ISL62883 = ISL628823
· RT8223 = RT8205
· ITE8502E = ITE8512E
· ITE8512EKXS= ITE8512EKXO
· ISL6237 = MAX17020 = MAX8778 = TPS51427 = RT8206B
· PM6686 = TPS17020
· UP1585QQAG (EM EC) = TPS51123A = RT8223P(EQ=)
· ISL88731=BQ24745
· RT8206B = ISL 62373
· MAX8734A = RT82032
· J493 (G966-93) = RT9018B (DELL VASTRO 1015)
· KB926QF D3 = KB926QF CO
· KB3926QF D3= KB3926QF
· RT8205(A) = TPS51125
· (EF = DE 41J) = RT8207LGQW
· (CJ=CL 40W) = TPS51125
· KB3310QF-A0 = KB3310QF-B0 Asus All-in-One PC ET1602C
· KB3310QF-C1 = KB3310QF-B0 Asus EeePC 900
· KB3926QF-A1 = KB3926QF-A2 Quanta AT3
· KB3926QF-C0 = KB926QF-D3 HP DV5
· KB3926QF-C0 = KB3926QF-D2 Quanta OP6, QT6
· KB3930QF-A2 = KB930QF-A1 Quanta R23
· KB926QF-B1 = KB926QF-C0 Compal LA-3551P
· KB926QF-B1 = KB926QF-D3 Compal LA-6552P
· KB926QF-D3 = KB926QF-C0 Lenovo G550 - Compal LA-5082P
· KB926QF-E0 = KB926QF-C0 Compal LA-6061P
· KB926QF-E0 = KB926QF-D3 Compal LA-6311P, Lenovo G555 (LA-5972P)
· KB926QF= KB926QF-D2 Compal LA-6421P, LA-6221P
· WPCE773 = WPCE775
· WPC8763LDG = WPC8769LDG WistronBiwa, Aspire 5920G - Quanta ZD1
· WPC8769LA0DG = WPC8769LDG Alienware M15x - Quanta MX3
· NPCE781LA0DX = NPCE781BA0DX
· NPCE781LA0DX = NPCE783LA0DX Quanta ZQ1
· NPCE795GA0DX = NPCE795LA0DX Quanta ZYG
· IT8500E = IT8502E Asus K50IJ
· IT8502E = IT8500E Asus K40AB, K40C, K50C, K50AB
· IT8502E = IT8512E Asus K50IJ
· IT8512E = IT8500E Acer 6920
· IT8511TE-BXS = IT8510TE-GXA Asus X51R/RL
· MEC1300-NU = MEC1308-NU Samsung R530 (BREMEN-L3, 1.0,BREMEN-L4, r1.4), Samsung R519 (BONN-L)
· TPS 51125A = RT8205BGQW =(CK=CD C47)
· RT8209A = FH=CG CU1
· RT8204C = H6=CH JOX
· RT8205 = TPS51125
· SN10504 =SN0608098 RHBR
· MAX 8724 = MAX1908
ck=cd (check the two first letters "ck")
EL= -RT8015A
DZ= - rt8113
CZ= - RT8561AGQW
D9= -rt9716AGQW
C7= -RT9293-20
DJ= - RT8202AGQW
DJ- -RT8204PQW
DK- - RT8204PQW WQFN3*3-16
JL= - RT8204AGQW WQFN3*3-16
FR= - RT8204BGQW WQFN3*3-16
H6= - RT8204GQW WQFN3*3-16
CJ= - RT8205AGQW
CK= - RT8205BGQW
CL= - RT8205CGQW
CB= - RT8205DGQW
DT= - RT8205EGQW
EM= - RT8205LGQW = RT8205AGQW
EN= - RT8205MGQW = RT8205CGQW
CP= - RT8207GQW
DH= - RT8207AGQW
EF= - RT8207LGQW
J7= - RT8207MGQW
DS= - RT8223BGQW
EP= - RT8223LGQW
EQ= - RT8223MGQW
FF= - RT8208AGQW
FG= - RT8208BGQW
H8= - RT8208DGQW
30= - RT8208EGQW
31= - RT8208FGQW
FH= - RT8209AGQW
A0= - RT8209BGQW
A3= - RT8209EGQW
JX= - RT8209LGQW
A8= - RT8209MGQW
K0= - RT8209NGQW

_Equivalent RT:_

ISL6236=RT8206A=PM6686
ISL6237=RT8206B
ISL6268=APW7138
TPS51117=RT8209B
TPS51116=RT8207
ISL6227=APW7108
TPS51125=RT8205B=UP6182
TPS51123=RT8223M
ISL6251=G5209
P2805MF=G5933

Found AMD 216-0833000 (HD7670M) can be replaced with 216-0833002 (HD7650M) on Samsung NP350

RT8205LZQW compatible with TPS51125 , working here on Dell Latitude E5530

BQ24747 = BQ24745 = ISL88731C HRTZ - test all OK

apw8814 = RT8202A , worked on a asus s400C

EC, IO, KBC Programming and non Programming. ( EC, IO (super IO), KBC have the same name )
ENE/KBxxxx Programming
KB9012 Yes
KB9016 Yes
KB901 Yes
KB9022 Yes
KB9028 Yes
KB9010 Yes
KB3930qf/b1 Yes
KB926QF No
KB3926qf No
KB930QP No
KB910 No
kb3940Q No

ITE/ITxxxx Programming
IT8226 Yes, 256KB
IT8585e Yes
IT8586e Yes
IT8985e Yes
IT8587e Yes
IT8522 Yes
IT8987e Yes
IT8589 Yes
IT8522 Yes
IT8380E Yes
IT8380VG Yes
IT8995E Yes
IT8886H Yes
IT8886he Yes
IT8386 Yes
IT8586VG Yes
IT8518 No
IT8517 No
IT8572 No
IT8528E No

SMSC/MECxxxx Programming
MEC1609 Yes
MEC1404-NU 128-VTQFP Yes
MEC1404-SZ 144-WFBGA Yes
MEC1406-NU 128-VTQFP Yes, 160KB
MEC1406-SZ 144-WFBGA Yes, 160KB
MEC1408-NU 128-VTQFP Yes, 192KB
MEC1408-SZ 144-WFBGA Yes, 192KB
MEC1414-NU 128-VTQFP Yes
MEC1414-SZ 144-WFBGA Yes
MEC1416-NU 128-VTQFP Yes, 160KB
MEC1416-SZ 144-WFBGA Yes 160KB
MEC1418-NU 128-VTQFP Yes, 192KB
MEC1418-SZ 144-WFBGA Yes, 192KB
MEC5085 Yes, 288kb
MEC5055 Yes
MEC1633L Yes, 192KB
SMSC KBC1126-nu No
MEC1322-NU No

Nuvoton/NPCExxxx Programming
NPCE288na0dx Yes
NPCE388na0dx Yes
NPCE288GA0dx Yes
NPCE985PA0dx No
NPCE285ua0dx No

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