Course Name: Certificate in Laptop Repairing Level 1
Course Duration(in normal mode): 3 months
Course Duration (in fast track mode): 1 month
Course Fees: 12,000
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Syllabus:
CLMR 1: Automic Structure,AC,DC Examples of A.C,D.C,Voltage,Power Deffirence between Ac & DC,Flow of Current,Conductor, Insulator,Semi Conductor,What is Electrical,Electronics, Type of Electronics,Voccum Tube Electronics,Normal Electronics,SMt Electronics,General Components,Multimeter Usages.
**How to do computer BIOS flashinh/writing
CLMR 2: Resistor:-Type of Resistorr,Active,passive Components,Colour Coding,
Excercises,Series,parallel,Type of Resistors,Corbon Resistor, Metal oxide resistor,Metal film Resistor,Wire wound Resistor,SMT Resistor, Preset Resistor,Resistor Resting Method,Using Multimeter,SMT Resistor testing, soldering & Desoldering Normal Resistor,SMT Resistor.
**How to check motherboard clock signal
CLMR 3: capacitor,Material in Capacitor,Electrolytic & Non electrolytic Capacitor,Relationship between Resistor,Cpacitor,Type of capacitor,Air Capacitor,paper capacitor, Mica Capacitor ceramic capacitor,Electrolytic capacitor,Variabl capacitor,SMT
Capacitor,Smart Tweezer.1.Capacitor Checking Method-Normal 2.Capacitor Checking Method-SMT,Soldering & De soldering(Normal Capacitor),Soldering & Dsoldering(SMT Capacitor)
**How to use smart smd tester
CLMR 4 : Inductor,Type of Inductor-Air core Inductors,Ferrite Core Inductors,Pot Core Inductors,variable Inductors,SMT Inductors,Practical 1.Inductor Checking Method-Normal,SMT Removing & Re fixing of Normal Inductors SMT Inductors. Crystal Oscilator : Types,Working fuctions,Frequencies Hetz, crystal Osc Utnits, Checking of Scrystal Osc. Removing & Re fixing of Scrystal Osc,Realtime Srystal.
**Motherboard Ram slot identification
CLMR 5 : Transformer :Transformer,Types of transformers -Step up Transformer Step Down Transformer,Center tapped transformer Multi output Transformer,SMt Transformer, testing of transformers primary Section Test,Secondary test,Ground test,Primary to Secondary.Open Transformer test,Removing & Refixing of Normal
-Transformers,SMt Transformers
**Laptop motherboard power section working process part 1
CLMR 6: Diode, Forward Bios,Reverse Bios,Types of Diode,P.N.Junction Diode or Power Diode,Zener Diode Photo diode or Signal Diode,Light Emitting Diode-L.E.D
Gunn Diode,varactor Diode,SMT Diode SMT checking Methd,Normal Checking Methode Normal LED,SMT LED Checking Methode Soldering & Desoldring of Normal Diode,SMT Diode
**Laptop motherboard power section working process part 2
CLMR 7: Transistors, Types of transistors, BJT-PNP,NPN UJT Type:-FET, MOSFET, SMOS FET, SMT Mosfet, 1.Checking of Normal Transistor, SMT Transistor (PNP,NPN) 2.Removing & Re fixing of NORMAL Transistors type 3.Removing & Re fixing of SMT Transistors type
**Laptop motherboard repair training in assamese 8 pin FET
CLMR 8: What is I.C-Integrated CHIP, Birth of I.C, Inside of I.C parts of I.C, Types of I.C-Pin IC,ball I.C Single Side I.C (With Pin), Double Side (With Pin) Double side Square IC (with pin),Four side Square IC (with pin) Ball IC type : Four side square I.C-No Pin various models of Ball I.C-SIP,DIP,PGA,LGA,Fabrication Structure,IC Pin Details,Removing & Refixing of ball IC,PIN I.C What is OP-Amp ? Voltage Follower, Gain, Sample Typical Audio Circuit,How does Op-Amp Amplify IC Practical- Removing & Refixing of IC’s
**China mobile phone dead problem solution
CLMR 9: 1.Laptop Motherboard Introduction. 2.List of Motherboard Companies
3.Types of Motherboard:- I.Single Board Based Motherboard II.Daughter Board Based Motherboard 4.Block Diagram of Laptop Motherboard 5.different types of laptop motherboard sections:- 1.Ac adapter section, 2.Voltage input section of Motherboards
3.charge discharge section, 4.system main power supply controller or step down controller section, 5 .voltage regulator modulation [ vrm ]section or microprocessor
[cpu] core power generator section [v core] 6. graphics processor unit [gpu] section,7.cpu temperature sense section 8.reset control section. 9.north bridge section,
10.memory [ ram] section, 11.south bridge section 12.input output controller[ io] section
13.clock generator section, 14.bios section 15.pcmcia controller & keyboard controller section 16.Audio section. 17.lcd-tft display section [fl invertors/ccfl lamp/lvds]. block diagram of laptop motherboard 6.laptop parts,7.different brands of motherboard
components identification video 8.laptop motherboard ic’s list : -1.step down controller ic,2.cpu core power[vrm] ic 3.thermal ic 4. fan speed controller ic 5.operational amplifier [op-amp] 6.battery charge and system selector ic,7.pc card power ic & Etc..
9.Motherboard Components Identification 10.General Troubleshootings & Safety Precations Vedio Classes:- Explanations
**Mobile phone repair(led testing)
CLMR 10: Laptop tools. Lools list 1.Soldering iron (tip) 2.Blowers,3. digital multimeter, 4.Soldering led 5.De soldering pumps,6. Jumper wire laptop other testing equipment 1.universal power adapter 2.laptop sata to ide convertor,3.laptop ide to usb Converter 4.electric screw driver other spares, 1.laptop lcd hinges 2.lcd display cleaner,3.laptop carry bags 4.laptop cooling pad,5.laptop keyboard skin cover,6.laptop docking station, 7.docking station usage8.advanced tools- bga machine 9.smd square ic extracter 10.video class .
**Mobile phone power button voltage checking
CLMR 11: AC adapter and battery 1.Battery:types of battery 1.Internal battery
2.External battery, how to work battery? Laptop battery types, 1.Nickel-Cadmium (nicad) T/P 2.Nickel-metal hydride (ni mh), 3.Li ion battery Battery connection, battery cells connectivity method Laptop battery inside view.
2.external battery, battery booster laptop battery inside circuit,inside a lithium-ion battery pack, how to increase battery life?,2.adapter how the ac adapter works?, types of adapter,direct adapter universal adapter,car / air adapter various models of ac adapter connector,polarity manufacturer: dell, manufacturer: compaq/hplaptop adapter voltage,adapter board componentsadapter circuit view, ac adapter functional block diagramAC adapter circuit diagram, complete trouble shooting
**Laptop motherboard power ic checking
CLMR 12: Voltage input section of motherboard functional block diagram, component identification of voltage input sectionvoltage input section components, 1.dc power connector dc power jack & near components voltage testing video, mosfet review 2.p-channel some example of p-channel mosfet –used in the laptop, 2.n-channel mosfets, 4.fuse 5.smd resistor, 6.inductor 7.capacitors laptop dc power socket voltage testing through multimeter damaged dc power jack removing method/fixing method practical, voltage input section problems and solution -complete trouble shooting, video class practical
**How to check laptop battery
CLMR 13: Battery charge and discharge section block diagram of battery & charge discharge section component identification battery control ic – multichemistry battery charger controller and systems power selector battery charger controller ic pin diagram pin description, application diagram battery charge /discharge sample circuit,ic internal diagram pwm controller block diagram selector control switches-diagram autonomous selection operation,charge discharge full circuit some charge discharge ic’s list,simple laptop battery charging diagnosis, some battery ic’s list op-amp [operational amplifier], what is an op-amp previous model ic’s data sheet, general trouble shooting laptop battery does not charge, simple laptop battery charging diagnosis, diagnosis approach battery charge section, general block diagram laptop battery charge control circuit laptop battery charging indicator led battery charge status trouble shooting, problem & solution practical -battery ic removing and refixing method practical
**How to check SMPS
CLMR 14: Step down regulator or system main power supply section,what is step down regulator, how to work step downvoltage regulator,block diagram of step down regulator sectionfunctional diagram, step down regulator control ic,component identification for laptop model: compaq nx6120 step down controller ic tps 51020 dbt – pin diagram,
application diagram – pin description –Internaldiagram 3.3v/6a and 5v/ 6a dual outputcircuit – pin diagram of sc 1470, pin description – sc1470 internal block diagram, setting the output voltage another model component identification, pin configurations,
pin description, step down ic functional diagram , adjusting the secondary output voltage,increased 12v linear regulator output current,step down controller ic full circuit diagram some step down ic’s list 1.max1632, 2.max1904, 3.max1634 etc..problem solution -complete troublpersahooting
**Motherboard front USB connection
CLMR 15: Voltage regulator modulation section [vrm],or cpu core power [vcore] section,
what is voltage regulator module [vrm] ? block diagram of cpu core power supply ic or
cpu voltage regulator module [vrm], what are some of the switching regulator topologies? how does switching frequency, impact regulator designs,what losses occur with the switching regulator?what are the usual applications for linear and switching regulators?how does a switching regulator control its output? what design specifications are important for a voltage regulator ic?power rails. component identification oflaptop model: compaq nx 6120, cpu core power ic l6218pin diagram of cpu power ic isl6218,
pin description of isl6218, typical application circuit of isl6218,internal diagram of isl6218,n –channel mosfets connection,mosfet review, internal power good circuitrt for isl 6218,power good signal. component identification for another model laptop , cpu core power ic max 1711 max1711 pin description,standard application circuit of cpu core power ic,functinal internal diagram of cpu core power ic ,cpu core power ic circuit diagram.
**Practical presentation of Laptop motherboard FET working
CLMR 16: Voltage regulator modulation section [vrm] or cpu core power section ,trouble shooting.some cpu power supply ic’s list 1.adp3166 , 2.adp3170 ,3.adp3421,4.aic1567 etc..,another model cpu core power ic, another cpu core power ic max 1710, pin diagram of ic max 1710, pin description application circuit max 1710 ic, internal diagram various types of mosfet, n-channel power mosfet, dual notebook power supply n-channel, power mosfet reviewe,single n-channel- logic-level power trench mosfet,power failure-problem, complete trouble shooting.
**Introduction to motherboard
CMLR 17: Graphics processor unit [gpu],what is gpu ? how to work gpu?laptop block diagram with gpu, internal diagram of gpu graphics ram, gpu and chipset identification,
graphics processor unit gpu, front side view-back side view, graphics accelerators, graphics processor functions,gpu companies, computational functions gpu manufacture companies,nvidia / ati /Intel, problem & solution trouble shooting
**Desktop Motherboard power on(part-1)
CMLR 18: CPU fan controller & temperature sense section ,functional block diagram of ic adm 1032,component identification of laptop model: compaq nx6120,thermal control ic functions,thermal control ic pin diagram pin descriptions,nand gate ic nc7sz00 function, nand gate ic connection diagram thermal section, n-channel fet review, general temperature control circuit for cpu, cpu fan controller and thermalsense circuit.
some temperature control ic’s list 1.max1617,2.max1020a etc laptop and laptop cpu over heating and solution how to avoid excess heat?, usb cooling pad,thermal paste in cpu & gpu, cpu cooling fan and heat sink. cooling fan trouble. how to troubleshoot an overheating laptop cpu? Instructions, cpu fan does not rotate, problem/ solution,
complete troble shooting.
**Desktop Motherboard power on(part-2)
CMLR 19: North bridge and memory [ddr] section north bridge block diagram of north bridge,north bridge links, laptop motherboard Northbridge view,performance chipsets, mainstream chipsets, value chipsets, chipset manufacturing companies: intel,/via etc
troubleshooting ram section,how works ram?,types of ram:dram ( dynamic ram),sram (static ram) what is buffer ?,data buffer, double buffer, video buffer etc video memory,ram bus speed,ram parts, ddr 1 ram pin details,ram working voltage,sodimm slot.Some ram power supply ic’s list:1.max8794, 2.ncp5201, 3.sc1486, 4.scl486a etc
ram control ic’s list:1.cm8501,2.cm850 etc.,ram trouble shooting
**Working of Diod
CMLR 20: south bridge [ich] and input/output controlleer[io] section:1.southbridge [ich],south bridge[ ich] architechture,bus-the southbridge ‘s buses,functional block diagram of south bridge ic,some model of south bridge, trouble shooting. 2.io controller: io functional,block diagram, 1 Hr 24 Hrs T/P component identification of laptop model compaq nx 6120.locating i/o chip,io architechture.some io ic block diagram,the south bridge and io combines many functions.io ic pin diagram, io controller circuit diagram.
some io ic’s list: 1.pc97338,2.3pc87392,3.fdc7n869 etc..trouble shooting: keyboard & touchpad problem/solution.
CMLR 21: clock generator section, what is clock?, clock speed.kilo hertz/mega hertz/giga hertz,clock pulse clock generator ic identification,block diagram of clock generator.clock generaror internal block diagram. Component identification, pin configuration, power pins , other pin description,clock generator circuit diagram.
some clock ic’s list: 1.cs950502 ,2.cy28404c ,3.ics9248-153 etc.,trouble shooting.
CMLR 22: Bios section,what is the bios?:introduction ,how to access the bios ,cpu clock
memory timings ,what is the bios used for?how is bios accessed?,how is bios used?
component identification for laptop model:compaq nx 6120,bios functional block diagram, pin diagram of bios ic,pin function,how computers boot ,most bios setup utilities. other model bios ic pin configurations, pin description,ami bios error message,memory related message.system boot related message,storage device related message,virus related related message,system configuration,cmos/cpu related error message,miscellaneous,award bios error message,other bios error codes,
award text bios error message, phoenix bios text error message,bios troubleshooting.
CMLR 23: .Pcmcia controller and keyboard power management controller section, 2.what is pcmcia card?,pcmcia card functions size of the card,different types pcmcia cards, variety of pcmcia card.1.wireless card,2.usb card * single, * double, * four 3.network card,4.tv tuner card,5.internet card,6.dvd to mpeg card,7.pcmcia to serial port,8.card reader,9.sound card,10.modem 11.pcmcia to ieee 1394 fire wire adapter
pcmcia card inside view, component identification for laptop model: compaq nx 6120, pcmcia controller block diagram pcmcia controller ic pin diagram,pcmcia card power ic
tps 2206 pin diagram,typical application diagram. some pci card control ic’s list: 1.r5c551,2.r5c552 etc. pc card power supply ic’s list :1.tps2205,2.tps2206,3.tps2216 etc.trouble shooting:keyboard and power management controller,block diagram ofpc87570 keyboard and power management controller,pin diagram,some keyboard controlleric’s list:1.h8c/2471,2. h8/3434, 3.h8/3431.
CMLR 24: Audio section-audio processor and amplifier, 
1.audio ic-introduction,
2.component identification of laptop model: compaq nx 6120,
3.audio processor ad 1981b pin diagram,
4.pin functions,
5.pin diagram of tpa 6017 audio amplifier,
6.pin function of audio amploifier ic,
7.internal functional diagram of ic ad 1981b,
8.audio amplifier [2watt strereo amp],
9.another laptop model audio ic
10..laptop audio chip identification,
11.audio connector name,
12.audio ic pin configuration,
13.pin function & descriptions,
14.power pins & descriptions,
15.audio section circuit diagram,
16.audio processor ic ,
17.audio amplifier,
18.some audio ic’s list
1.ess1921,2.stac9704,3.au8810 4.4299-jq,etc
19.audio section general trouble shooting,
20.audio board failure symptoms and troubleshooting tips.
21.configuring on-board sound in the bios,
22.installing an updated sound driver,
23.removing the drivers in safe mode,
24.restoring the sound drivers,
25.reinstalling the sound drivers,
26.audio section trouble shooting.
CLMR 25: laptop lcd display complete dis assembling [removal]and lcd parts identification- live demo class.
CLMR 26: lcd-tft ,display section 
1.lcd display front view,
2.types of display,
3.lcd-liquid crystal display
4.tft (thin film transistor technology),lcd with motherboard,
5.connector detail,
6.fl inverter pcb locations /ccfl (backlight bulb),
7.laptop lid close switch,
8.display layers,, .how lcd display works,
10.how is the lcd in a laptop computer so bright,
11.inner parts view of display, 12.structure of tft-lcd,
13.display inner layout,
14.display connector identification,
15.4:3 standard displays,
16.notebook lcd monitor comparison (pixel table) ,
17.drawbacks of lcd,
18.tft-lcd,tft-lcd is made up sequenses,
19.7 layers of tft screen,
20.ccfl invertor,
21.laptop lcd back light invertor,fl invertor with ccfl circuit diagram,
23.some lcd back light control ic’s list 1.maxl522,2.maxl5233.maxl524etc., ccfl lamp review.
CLMR 27: lcd display complete trouble shooting, difference types of lcd display problem; 1.vertical shades, 2.vertical lines, 3.corrupted and vertical shade, 4.vertical bars etc laptop lcd diplaydis assembling and assembling practical
CLMR 28: Laptop connectors, pin diagram with circuit,
1.black diagram of laptop, 2.lcd connector pin details,
3.internal keyboard and touh pad connector details, 4.hard disk connector details, 5.cd drive connector details, 1 Hr 24 Hrs T/ 6.led ‘s circuit explain,
7.external vga connector [crt] explain, 8.ddr 1 ram connector pins circuits,
9.cpu power regulator sample circuit explain 10.usb connector circuit and its explain
CLMR 29: checking method of laptop motherboard,
the laptop motherboard checking method there are two types,
1.cold checking(ohm’s value)no voltage given.only components testing,
2.hot checking (voltage)we give some voltage, then test the circuits, laptop motherboard cold checking video
1.cold checking introduction video, 2.motherboard explain video,
3.working procedure of adapter & battery through circuit explanation
4.circuit tracing for adapter and battery practical-1 , 5.circuit tracing of adapter & battery practical- 2.
CLMR 30 : Laptop motherboard hot checking video,
1.concept of the testing point video,
2.hot checking practical- voltage input and battery charging circuit through board,
3.hot checking practical video 1[front side],
4.hot checking practical video 2,
5.hot checking practical video[ board back side].
