Circuit/Schematic analysis L3

What is PCB?

Single Sided (only one layer).
Double Sided (two layers).
Multi-layer (more than two layers).

Schematic Reading and Circuit analysis

Component code in schematic

Schematic symbol

Introduction to Basic Circuit Design Process

Types of Printed Circuit Board

PCB Layers

Voltage, Data, Signal, Impedance and ground layer

Introduction to quanta, compal , foxcoon and dell schematic

Power distribution of motherboard

Voltage Rails S0, S3, S4/S5  states

Always

Run Voltage

Suspend Voltage

SMBUS Control table

Laptop Power Up sequence

AC mode and DC Mode

Pentium

Dual core

I series – First Generation to  7th Generation

MAC Book and Tablet

Laptop Power Supplies

Introduction to Laptop Charging Section and working principle

Standby power supply

Ram Power supply

Terminate power supply (VTT)

ICH and GMCH power supply

PCH power supply

CPU (Core Supply, VCCP)

GFX Core Supply

Graphic Power supply (DPGU)

Transfer Power supply

DATA   Allocation Table

CLOCK Allocation Table

Communication of Data and clock

DC Power Supply Introduction

Introduction

Types

Voltage, Amp  adjustment

Use A DC Regulated Power Supply Detect Shorted Component

 Embedded Controller (EC, SIO, KBC & SMSC) Sections

INTRODUCTION

Relation with Supplies and Chip

PS2 Interface:-

SPI Device Interface

SPI Flash ROM

GPIO: PM_SLP_S3#, PM_SLP_S5#, EC_SMI#, MCH_TSATN_EC#, MINI1_LED#,  LOCAL_DIM, COLOR_ENG_EN, INVT_PWM, FAN_SPEED1, BT_ON#, ON/OFF, 30 PWR_SUSP_LED, WLAN_LED#, FSTCHG, BATT_GRN_LED#, BATT_AMB_LED#, PWR_LED, SYSON, , VR_ON ACIN, SATA_CLKREQ#, EC_SMI#, EC_SCI#

GPO: EC_RSMRST#, EC_LID_OUT# 22, EC_ON, EC_SWI# EC_PWROK, BKOFF# , WL_OFF#, EC_ACIN

GPI: PM_SLP_S4#, , ENBKL, EAPD, EC_THERM#

SUSP# PBTN_OUT#, EC_PME#

 

SM BUS: SMB_CK1, SMB_DA1, SMB_CK2, SMB_DA2

Int. K/B Matrix

DA Output: DAC_BRIG, EN_DFAN1, IREF, CALIBRATE#

AD Input : ADP_I , BATT_TEMP

 

PWM Output :         ADP_I , BATT_TEMP, ACOFF

LPC & MISC :    EC_GA20, EC_KBRST#, SERIRQ, LPC_FRAME#, LPC_AD0, CLK_PCI_LPC, PLT_RST#, EC_SCI#

 ICH (South Bridge) SIGNALS

Power MGT: PBTN_OUT#, PM_DPRSLPVR,

PCI:  PLT_RST#, CLK_PCI_ICH

LPC:  LPC_FRAME# 29,

LAN/GLAN:  +1.5VS_PCIE_ICH, HDA_BITCLK_AUDIO

CPU: EC_GA20, H_A20M#, H_DPRSTP, H_DPSLP#, H_FERR#, H_PWRGOOD, H_IGNNE#, H_INIT#, H_INTR, EC_KBRST#, H_NMI, H_SMI#, H_STPCLK#, H_THERMTRIP#

IHDA: HDA_BITCLK_AUDIO, HDA_SYNC_AUDIO, HDA_RST_AUDIO, HDA_RST_AUDIO, HDA_RST_AUDIO, HDA_SDOUT_AUDIO

SATA: SATA_LED#, SATA_DTX_C_IRX_N0, SATA_DTX_C_IRX_P0, SATA_DTX_C_IRX_N1, SATA_DTX_C_IRX_P1, CLK_PCIE_SATA, CLK_PCIE_SATA,

HAD FOR GMCH: CLK_PCIE_SATA, CLK_PCIE_SATA, CLK_PCIE_SATA, CLK_PCIE_SATA,

SMB: ICH_SMBCLK, ICH_SMBDATA,

CLOCKS: CLK_ICH_14M, CLK_ICH_48M, SUSCLK,

sys/gpio: EC_SWI#, XDP_DBRESET#, PM_SYNC#, EC_LID_OUT#, H_STP_PCI#, H_STP_CPU#, H_STP_CPU#, ICH_PCIE_WAKE#, SERIRQ, EC_THERM#,

power mgt: PM_SLP_S3#, PM_SLP_S4#, PM_SLP_S5#, ICH_PWROK, PM_DPRSLPVR, PBTN_OUT#, CK_PWRGD

controller  link:  CL_CLK0, CL_DATA0, CL_DATA0, CL_RST#0, EC_ACIN,

pci express: PCIE_PTX_C_IRX_N, PCIE_PTX_C_IRX_P, PCIE_ITX_C_PRX_N, PCIE_ITX_C_PRX_P, PCIE_PTX_C_IRX_N, PCIE_PTX_C_IRX_P, PCIE_ITX_C_PRX_P, VR_ON, VGATE,

spi: SPI_CS#,

usb: USB_OC#,USB_OC#, Within 500 mils, MB USB Conn. USB/B, CMOS Camera, Card-Reader, USB/B, Bluetooth, MINI CARD,

direct media interface: DMI_MTX_IRX_N0 8

DMI_MTX_IRX_P

DMI_MTX_IRX_N

DMI_ITX_mrx_n ,  CLK_PCIE_ICH# ,

CLK_PCIE_ICH

host:  H_D#[0.., H_RESET#, H_CPUSLP#, H_ADS#, H_ADSTB#, H_ADSTB#, H_BNR#, H_BPRI#, H_BR0# , H_DEFER, H_DBSY#, CLK_MCH_BCLK, CLK_MCH_BCLK#, H_DPWR# , H_DRDY#, H_DRDY#, H_HIT#, H_HITM#, H_LOCK# , H_TRDY#, H_DINV#

H_DINV#

H_DINV#

H_DINV#H_DSTBN#

H_DSTBP#

H_DSTBN#

H_DSTBP#

H_DSTBN#

H_DSTBP#

H_DSTBN#, H_DSTBP#, H_REQ#, H_RS#,

ddr/clk/controller/compensation: DDRA_CLK0

DDRA_CLK

DDRB_CLK

DDRB_CLK

DDRA_CKE

DDRA_CKE

DDRA_SCS

DDRA_SCS

DDRB_SCS

DDRB_SCS

DDRA_ODT

DDRA_ODT

DDRB_ODT

DDRB_ODT

clock: CLK_MCH_3GPLL

CLK_MCH_3GPLL

CLK_DREF_SSC

CLK_DREF_SSC#,  CLK_DREF

CLK_DREF_

dmi: DMI_ITX_MRX_N

DMI_ITX_MRX_P

DMI_MTX_IRX_N

DMI_MTX_IRX_P

DMI_MTX_IRX_P

cfg: MCH_CLKSEL,

MCH_CLKSEL, MCH_CLKSEL,

pm:  H_DPRSTP#

PM_SYNC#

H_THERMTRIP#

PM_DPRSLPVR

PM_EXTTS#

PM_EXTTS#

PLT_RST

misc: SDVO_SCLK

SDVO_SDATA , MCH_CLKREQ#

MCH_ICH_SYNC

had: HDA_BITCLK_MCH

HDA_RST_MCH#

GMCH Signals

 Motherboard main signals and commands,

general Motherboard Switching system

FIRST RESET SIGNAL ON COMPUTER CIRCUIT

VALW / Power Always or MAIN DC POWER SUPPLY CIRCUIT LINE

RTC

AC Mode

DC  Mode

2.VS the Power Switch

VS POWER SUPPLY  for  BOOTSTRAP DEVICE :

VS for Strap Boot device

.SODIM/RAM  ( VCCRAM )

CHIP POWER ( VCCP )

VS to Device

Signal Processing

Microcontroller

BIOS

CHIP

Processor

 Dell , HP , Acer, Apple, Toshiba, Samsung  and other laptop signals

UNDERSTANDING DIFFERENT SIGNALS OF DIFFERENT MOTHERBOARDS

Main signals of clock generator (xin, xout, PWRDWN#, PWRGD#, PCI STP#, CPUSTP#, SCLK, SDATA, CLK VDD CPU.…)

Main signals of CPU Processor (VID O-5, VCCP, CPU, VCC CORE, VSS, HLOCK, CPU PWRGD ……)

Main signals of North bridge (VCC, VCCHL VCCDV, VTTLF, VCCSM,DVOCD, DVOCCLK, MT2CCLK, DVICLK, DVICLK, PWROK, VSUS ……)

Main signals of South Bridge (VCPV, VCCLAN, VCCSUS, VSS, LCD1D, CLK66 ICH, CPU PWRGD, LPC, GPIO, IMVPOK, VCCPLL, V5REF….)

Main signals of Ethernet chips

Main signals of Sound audio Chip

(SHUTDOWN, VDD, PVDD1, PVDD2, LIN+…)

Main Signals Power Supply Chip

Main signals of MAIN POWER CHIP 5V, 3.3V  (PGOOD, DL2, DX2, CS2, FB2, ON1, ON2, VDD, BSTI, DH1, LX1, CS1, FB1….)

Main signals of  SECONDARY POWER SUPPLY CHIP  2.5, 1.5V  (—

Main signals of  CPU power supply chips :- (SYSPOK, PWROK, DPRSLPVR, DPSLP, VRON, VIN, VCC, VDD, OA+, OA-, DH, LX, DL, TON, FB, CSN,CSP…..)

Main signals of charging discharge control chip

Main signals of LVDS Section:

RTC signals

GRaphic Signals

Normal graphic

switchable graphic

SPI ROM and PCH ROM

Introduction to BIOS

Main Bios bios

EC /PCH Bios (embedded controller bios).\

ID Bios

Calculation of BIOS

Extracting

Bios Editing

Backup

Updating

EC BIOS Programming