INTRODUCTION TO LAPTOP MOTHERBOARD  

·         DEFINE DIFFERETN LAPTOP PROBLEMS

·         Main Signals of Motherboard And How motherboards Work with Different ic list .

Common Laptop Notebook Chip.

POWER SUPPLY CHIP :- (MAX1632,  MAX1904, MAX1634,SB3052, SC1402, LTC1628  TMP48U ADP3160/ADP3167 ADP3168 APW7060 , ETC)

IO CHIP :- (PC97338, PC87392,FDC7N869, FDC37N958, LPC47N227, LPC47N267 PC87591S/ PC 87591L / PC 97317IBW/PC 87393 VGJ PC87591E ETC )

CPU power supply chips :-  (ADP3166  ADP3170   ADP3421  AIC1567 CS5322  FAN5056   ITC1709  MAX1710/MAX1711/MAXl712  HIP6004 )

Charge discharge control –chip :- ( MAX745,  TC490/591 AAI3680 ADP3806 DS2770 LTl505G MAXl645B MAX745 MB3878 AAT3680 ETC)

CPU temperature control chip :- (MAX1617, MAX1020A, AD1030A, CM8500 MAX1989 DS1620

Graphics Brand :- (ATI, NVIDIA, S3, NEOMAGIC, TRIDENT, SMI, INTEL, FW82807, and CH7001A

Ethernet chips :- (RTL8100, RTL8139, Intel DA82562, RC82540, 3COM, BCM440 LF8423, LF-H80P, H-0023, H0024, H0019, ATPL-119

Sound audio Chip :- (ESS1921, STAC9704, AU8810 ,4299-JQ, TPA0202 , 8552TS, 8542TS, BA7786, AN12942 AD1885 ALC655 APA2020/TPA0202
PC Card Chip :- (R5C551, R5C552, R5C476, R54472

PC Card power supply chips :- (TPS2205, TPS2206, TPS2216, TPS2211, PU2211, M2562A, M2563A, M2564A

COM port chip :- (MAX3243, MAX213, ADM213, HIN213, SP3243, MC145583

Keyboard-chip :- (H8C/2471, H8/3434, H8/3431, PC87570, PC87591

Keyboard chip :- (  H8/3434, H8/3437, H8/2147, H8/2149,  PC87570, PC87591, H8S/XXX M38857, M38867, M38869 ……)

Battery IC :- (BQ2040 BQ2060 BQ24700 BQ2470l BQ24702/BQ24703 M61040FP ,…..)

Memory control chip :- (CM8501/CM8501CM8562 , ……)

Clock IC :- (CS950502 CY28404C ICS9248-153 ICS954218 ICS9248-151 ICS9248-39 ICS950901, WINBOND,…..)

lcd back light control :- (MAXl522/MAXl523/MAXl524 OZ960 ,……..)

Ddr memory power supply :- (MAX8794 NCP5201 SC1486/SCl486A SC2616 TPS51020 ISL6520 ISL6537 CM8501, ISL6224 ISL6225 ,…)

Other Common chipset :- (AAT3200 AAT4280 AMS1505 MIC2545MIC5205 ADP3168 AICl567 cM8562 CMl9738 CSS5322 DSl620,…..)

Mosfets Used

Crystal (14.318 Clock  )

Connector Socket(display, battery, dvdrom, modem, keypad, touchpad, onoff panel etc)

FOULT FINDING AND TROUBLESHOOTING OF MOTHERBOARDS

·         TRACING DIFFERENT CONNECTORS AND SOCKET WITH RELATED COMPONENT AND CHIP

·         TESTING AND USING OF DIFFERENT COMPONENTS .

·         DC TO DC POWER REGULATE SECTIONS,

·         POWER SUPPLY TO DIFFERENT CHIPS  VCC CORE,5VSUS, +1.5V, 1.8VSUS, 5V, 10V, 2.5V

·         CPU CORE VOLTAGE, VID SIGNALS , VRM SECTION ,  MOSFET OF VRM

·         CLOCK GENERATOR CIRCUITS

·         BIOS CHIPS SECTION , RTC CHIP

·         POWER GOOD, RESET, FRAME, CLOCK, BIOS SIGNALS

·         FAULT FINDING AND TROUBLESHOOTING .

·         HOW TO READ DIFFERENT COMPONENT DATASHEET.

·         BASIC CLEANING AND WASHING METHOD OF MOTHERBORD

·         SMD COMPONENT PRACTICE REMOVICE AND INSERTING DIFFERENT COMPONENTS

·         TRAINING USING CRO OSCILOSCOPE

·         FINDING FAULT USING CRO OSCILOSCOPE

·         USE OF DEBUG CARD  POST ERROR  CODE .

·         FINDING FAULT USING POST DEBUG CARD

·         TRAINING USING EEPROM PROGRAMMER

·         BIOS UPDATE USING EEPROM PROGRAMMER

·         TRAINING USING  BGA SOLDERING STATION

·         REMOVING BGA CHIPS AND REBOLLING IT USING REBALL STENCIL

·         ICS REBOLLING, BGA BALL ARRANGEMENT, PRACTICE.

·         TRAINING USING SOLDER BATCH

·         REMOVING SOCKET & CONNECTIORS USING SOLDER BATH

·         BIOS PASSWORD.IBM DELL PASSWORD REMOVING STEPS.

·         SEARCHING DATA SHEETS OF DIFFERENT ICS.

·         COMMON PROBLEM OF DIFFERENT MOTHERBOARDS.