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  1. Replies
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    Re: Profiles for zm r7220

    Hi Shenmue
    Profiles have to be worked out by you with practices on scrap boards trial and error when you have mastered them then you can get to work on customers boards take your time do research...
  2. Sticky: Re: Schematic, training manual and service manual request.

    Hi Maalobs
    For each item you require help with please make a seperate thread this keeps our site tidy and saves others search easyer.Also you need to post in the correct section (TV repairs)
  3. Re: 820 - 2915 mystery to me - [ fan spin, video(backlight) but not posting/chiming ]

    Hi
    The 32mhz clk is a signal not a voltage this one starts at Y2805 25mhz it then is sent to IC2800 witch makes the 32khz signal.
    SPI_MOSI is created by U1800 pin V4.

    Hope this helps.
  4. Sticky: Re: Schematic, training manual and service manual request.

    Hi this is the manual.
  5. Sticky: Re: Schematic, training manual and service manual request.

    Hi Maalobs

    Can you have a look on the back label for the chassis number may have it.
  6. Re: MBP15 Retina Late 2013 A1398 (820-3787-A) liquid damaged, no keyboard no trackpad

    Just google it
  7. Re: Looking for Q7055 chip for macbook air a1370

    Google 820-2796
  8. Re: Acer Aspire S7 392 Waterdamage Storm2 MB 12302-1 48.4LZ02.011

    HI Zondas

    There is a very g00d guideon the forum here [Only Registered And Activated Users Can See Links] it will explain better than I couyld.

    Hope this...
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    Re: what is pulsing?

    An anolog multimeter has a scale in the form of an arch and a fine needle that swings through the arc to show either volts AC or DC resitance and current measurements.The AVO 8 was themeter used to...
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    Re: what is pulsing?

    You can see a pulseing voltage rail with a good analoge meter such as AVO8 or with an oscilloscope. What is ment is a AC voltage that continualy travels to posative and negative once each cycle or a...
  11. Re: does anyone know how to lift burned components with mininal damage to the pads?

    The first thing I would do is solder the legs then use hot air as above I have also seen a large soldering iron placed on top of item to help it along if item is small be careful not to lift track.
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    Re: Notebook Repair Guide

    Type in what is S.W.F into google
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    Re: 820-3476 no backlight

    hi check this out
    [Only Registered And Activated Users Can See Links]
  14. Re: MBP retina 820-3332 no backlight, liquid damage

    deephouse you need to make your own thread please
  15. Re: MAcbook air 820-00165 NO BACKLIGHT, Image OK , should i garbage this board or can be fixed?

    Hi
    The backlight circuit is faulty not Lcd or gpu there are loads of backlight jobs on here showing you how to go about checking just use the search function.
  16. Re: 820-3476 Does not boot after Clear ME bios

    Hi drank

    Please make your own thread you will find a better responce that way it saves confusion for the next person who has the original fault.
    Also welcome to ARF.
  17. Re: 820-2936-a board goes into s0 state when the battery is plugged in

    Hi

    ADAPTER_SENSE line page 63 of manual
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    Re: Lenovo Yoga 910 Charging Problem

    there is a schematic here but no boardview available.[Only Registered And Activated Users Can See Links]
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    Re: 820-3332 with bad GPU

    Have you tryed another known good screen?
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    Re: 820-3536 No CPU_Vcore (PPVCC_S0_CPU)

    Hi
    On my schematic U8160 = ISL88042IRTEZ and pin 8 = ALL_SYS_PWRGD_R this goes through R8162 to become ALL_SYS_PWRGD
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    Re: 820-3115 no audio

    Hi

    My first check would be for 5V S3 on pin 1 of U6610 if you cant get to pin 1 then you can check it on C6607 pin 1 this is close to U6610
    if 5v is ok I would be scopeing pins 3 and 6 inputfor...
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    Re: 820-00045 A1534 dead S3/S0

    Hi C599
    I would start first download the basis of laptop MB repair here [Only Registered And Activated Users Can See Links]
    Get the schematic &...
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    Re: New Member Introduction

    Welcome

    Jacko00 glad to have you aboard.
  24. Re: what software do you use to open iphone/ipad .pcb files?

    Hi Riverman
    PCB files open with pads viewer and pads router these you can get from Mentor graphics the viewer is free.You can also find for free if you do a search on youtube for ZXW replacement.
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    Re: New Member Introduction

    Welcome Harlan
    good to see new members.
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