Search found 29 matches
- Thu May 18, 2023 12:29 pm
- Forum: Laptop Case Studies
- Topic: MacBook SMC Circuit and PPBUS_G3H voltage
- Replies: 0
- Views: 2527
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...
- 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: 2034
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...
- Fri Mar 25, 2022 9:49 am
- Forum: VIP area
- Topic: After first reset
- Replies: 4
- Views: 8023
Re: After first reset
VERY HELPFULL THANKS A LOTS
- Mon Jul 20, 2020 10:42 am
- Forum: HP-Compaq
- Topic: BIOS 6050A2854301-MB-A01 HP 840 G3
- Replies: 5
- Views: 7113
- Fri Dec 21, 2018 10:15 am
- Forum: Laptop Section
- Topic: DAX12AMB6D0 MAIN & EC TESTED
- Replies: 0
- Views: 1841
DAX12AMB6D0 MAIN & EC TESTED
DAX12AMB6D0 MAIN & EC TESTED
- Thu Feb 22, 2018 1:05 pm
- Forum: Dell
- Topic: DOH70 INTEL MB 12309-1 F53D4
- Replies: 0
- Views: 1807
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...
- 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: 4542
L 430 LCD-1 MB 11248-4 48.4SE01.041 FRU 04Y2003
L 430 LCD-1 MB 11248-4 48.4SE01.041 FRU 04Y2003
- Fri Dec 22, 2017 12:11 pm
- Forum: Dell
- Topic: DLR30 MB 13229-1 5X37M REV A00
- Replies: 0
- Views: 1653
DLR30 MB 13229-1 5X37M REV A00
DLR30 MB 13229-1 5X37M REV A00 OK AND RUNNING BIOS
- Fri Dec 08, 2017 5:20 am
- Forum: HP-Compaq
- Topic: LA-D703P LA-D704P BIOS
- Replies: 6
- Views: 10394
Re: LA-D703P LA-D704P BIOS
hp-15ae011tu bios
- Sat Dec 02, 2017 5:49 am
- Forum: Laptop Case Studies
- Topic: SONY MBX 269
- Replies: 5
- Views: 5018
Re: SONY MBX 269
Sony 269 LaPTOP poweroff one minute same time