Laptop Repair In Hyderabad

we will see how to check  laptop charger repair in hyderabad  this laptop motherboard I already have given this lessons in in our regional language till ago but so many people wants in English I don't know fluency of English I will give with my best in this lesson any language mistakes forgive me first you should download this laptop motherboard circuit this circuits available in fourchette comm best laptop repair center in hyderabad   r lq 77 calm now i will download this circuit this is DV 2000 v 3000 motherboard see here lq v 77 calm now as a cheap million DV 2000 camp @ v 3000 climatic circle diagram this is this laptop motherboard circle diagram i will explain with circle dug this motherboard how to check dead laptop motherboard i will explain with this the help of  toshiba laptop repairs in hyderabad  this circuit diagram heavy laptop motherhood has three types of voltages those are always voltage a l w r auxilary voltage r al voltage that means always this is 12 volts DC fibers DC 3.3 volt DC this voltage will present without pressing power button this voltage this voltage comes from DC adapter our battery these two voltages come out from five words and 3.3 volts regulator IC such on suspend voltage yes while s3 s4 states this is suspend voltage 5 volts 3.3 volts and memory laptop repair services Hyderabad     supply you in that motherboard used in ddr one that volt is 2.5 volts ddr2 1.8 volts ddr3 1.5 volts run power yes zero state power on voltages IC H supply yes I was apply g MCH supply graphics supply cpu supply other supplies now we will see first this always supply this is DC John this is battery connector every laptop motherboard hell these five words and three points three words regulator IC but number is different from this when you cannot adapter  laptop repair at doorstep in hyderabad to this DC jerk this volt is 14 to 18 volts this voltage comes to this IC fibers and three parts reverse regulator IC through to fetes through two feds this is battery connector from battery connector  when you connect battery from battery connector 12 volts comes come out from battery connector to fibers and 3.3 volts regulator I sit through this  fed if it is faulty motherboard cannot work with this adapter but this will work with battery motherboard will work with battery if it is faulty motherboard motherboard will work with  DC adapter but will not the motherboard will acer laptop repair in hyderabad  not work with battery so if it is faulty motherboard cannot work with DC jack our battery so if any laptop motherboard is dead you should check from DC jack to firewalls and 3.3 volts regulators from these DC Jack's to 14 to 18 volts comes to this IC and another pin sat down when you give well tidge to input in shutdown pin e 5 volts and 3 point three volts present will present at el Divo five means low dropout five volts low dropout three move 3.3 volts three   means we will present here two voltages will present here we will see in the in circuit this is circuit this is laptop motherboard see here system DC DC TPS five double one to zero inputs DC bat out that means DC DC adapter bat  laptop keyboard repair in hyderabad means battery out that means 18 volts DC adapter if you have given voltage from adapter this voltage 18 volts if you connect battery this voltage 12 volts so input voltage 12 volts are 18 volts output words  5 volts s3 state 3 volts sy state so I will we will see that page this is DC in one jar this is adapter jack this is DC in adapter jack pin number 1 2 3 4 5 pin number 1 2 3 4 5 pin number 2 3 ground for 5 voltage pin number 1 2 3 ground for five supply pins this supply when you connect adapter to this pins this positive voltage come out from this pins to this track is to you 58 1 2 3 pins this is input pins when you give voltage when you give fibers to this gate that means pin number 4 put it in the output voltage will present voltage will present at 5 pin number  laptop repairs in hyderabad   5 6 7 8 no voltage at this point number 4 this voltage will not present here this is adapter Plus this is adapter of this is adapter of Q 18 and when motherboard is best  sharp this adapter off voltage three words comes to this pin pin number two q 18 when this voltage will present here this voltage goes to 14 volts when this voltage goes to 14 volts this sony laptop repair in hyderabad  output voltage will not present when this voltage will then this voltage is 5 volts this voltage will present here so input voltages work here no this points you should check these two transistors if DC jack is sharp you should check c 460 easy 48 he see 10 and C 4 5 9 the four components you should check these capacitors we will see you 58 u 58 this is you 58 this is you 58 pin number 1 this is been number 1 2 3 4 pin number 5 6
- Vintech Computers 

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