Search found 29 matches

by Ermansha
Thu May 18, 2023 12:29 pm
Forum: Laptop Case Studies
Topic: MacBook SMC Circuit and PPBUS_G3H voltage
Replies: 0
Views: 650

MacBook SMC Circuit and PPBUS_G3H voltage

System Management Controller (SMC) is a programmable chip containing Apple computer management codes. We will use the MacBook Air 13” 2015-2017 logic board schematics 820-00165 as references. Every Apple computer model has its own unique codes. In other words, an SMC chip from one model can not be u...
by Ermansha
Thu May 18, 2023 12:24 pm
Forum: Laptop Case Studies
Topic: The importance of ALL_SYS_PWRGD signal in apple laptop
Replies: 0
Views: 505

The importance of ALL_SYS_PWRGD signal in apple laptop

Apple has developed a complex validation mechanism to ensure all the power rails being created are stable and good (GD stands for good) for use. If all the power rails are good, then a valid ALL_SYS_PWRGD signal will be produced. ALL_SYS_PWRGD voltage is 3.3V. A valid ALL_SYS_PWRGD signal checks the...
by Ermansha
Fri Mar 25, 2022 9:49 am
Forum: VIP area
Topic: After first reset
Replies: 4
Views: 4321

Re: After first reset

VERY HELPFULL THANKS A LOTS
by Ermansha
Mon Jul 20, 2020 10:42 am
Forum: HP-Compaq
Topic: BIOS 6050A2854301-MB-A01 HP 840 G3
Replies: 5
Views: 4707

Re: BIOS 6050A2854301-MB-A01 HP 840 G3

THANKS
by Ermansha
Fri Dec 21, 2018 10:15 am
Forum: Laptop Section
Topic: DAX12AMB6D0 MAIN & EC TESTED
Replies: 0
Views: 1402

DAX12AMB6D0 MAIN & EC TESTED

DAX12AMB6D0 MAIN & EC TESTED
by Ermansha
Thu Feb 22, 2018 1:05 pm
Forum: Dell
Topic: DOH70 INTEL MB 12309-1 F53D4
Replies: 0
Views: 1454

DOH70 INTEL MB 12309-1 F53D4

DELL 7737 PCB NO : DOH70 INTEL MB 12309-1 F53D4 CASE STUDY : - NO POWER ON IN THIS BOARD I CHEKED 3V5V OK BUT POWER BTN HAVE NO VOLTAGE SO CHEKED AND TRACE R2425 A PULL UP RESISTANCE OPEN THERE ARE NO VOLTAGE TRANSFER ONE SIDE TO SECOND SIDE PSL_IN2# (POWER SWITCH LOGIC IN)NOT WORKING. REPLACE RESIS...
by Ermansha
Mon Feb 12, 2018 10:16 am
Forum: Lenovo-IBM
Topic: L 430 LCD-1 MB 11248-4 48.4SE01.041 FRU 04Y2003
Replies: 3
Views: 3508

L 430 LCD-1 MB 11248-4 48.4SE01.041 FRU 04Y2003

L 430 LCD-1 MB 11248-4 48.4SE01.041 FRU 04Y2003
by Ermansha
Fri Dec 22, 2017 12:11 pm
Forum: Dell
Topic: DLR30 MB 13229-1 5X37M REV A00
Replies: 0
Views: 1288

DLR30 MB 13229-1 5X37M REV A00

DLR30 MB 13229-1 5X37M REV A00 OK AND RUNNING BIOS
by Ermansha
Fri Dec 08, 2017 5:20 am
Forum: HP-Compaq
Topic: LA-D703P LA-D704P BIOS
Replies: 6
Views: 8853

Re: LA-D703P LA-D704P BIOS

hp-15ae011tu bios
by Ermansha
Sat Dec 02, 2017 5:49 am
Forum: Laptop Case Studies
Topic: SONY MBX 269
Replies: 5
Views: 4108

Re: SONY MBX 269

Sony 269 LaPTOP poweroff one minute same time

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