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Lenovo Yoga 700-14ISK: BYG43 NM-601 Board, Identify PD109, U101, FWL Diode, 5AF2W Transistor

_1KOKO 4965 6
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  • #1 16256980
    _1KOKO
    Level 33  
    The BYG43 NM-601 board, I can not find a schematic for this model anywhere, if anyone could identify the PD109 and U101 elements on the FWL diode and the 5 foot transistor has the 5AF2W mark in advance, thanks for all your help.
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  • #2 16258769
    lisek
    Service technician RTV
    Look for Compal BTUU1 ( NM-A381 Rev: 1.0 from Nov.2014)
    - rather hard, but look at other Compal solutions starting with NM-Axxx
    - plus applications of layouts in which the elements are sought

    On the NM-A381 Rev: 1.0 board:
    - IT8386E-192
    - TPS51716
    - BQ715
    - DC-DC GPU / CPU / RAM converters> NCP81172 / NCP81108 / TPS51716
    - stby + 5V SYX196C1QNC (case: AR4) from SILERGY
    - stby 3,3V SYX196C1QNC (case: AR5)

    See e.g. in LA-B102P / AIVP1 / AIVP2 LA-C771p rev: 1.0 / LA-B231P
    * SYX198DQNC _..... see LA-B981P

    Important for Lenovo when describing the board:
    FRU # 5B20K41654
    Link

    The rest on the site Link_site_GB


    Write in approx. What chip you have this PD109 and transistor.
    With the description of smd at Lenovo it is a massacre, they take components from brothers from behind the "great wall" .....
    and there is different
    _______________________________
    Quote:
    Motherboard
    FRU: 5B20K41652
    Description: MB L 80QD WIN I7-6500 2G Mainboard
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  • #3 16259314
    _1KOKO
    Level 33  
    It was also burnt above 4407A Lenovo Yoga 700-14ISK: BYG43 NM-601 Board, Identify PD109, U101, FWL Diode, 5AF2W Transistor
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  • #4 16259335
    lisek
    Service technician RTV
    What is this layout, description? / * yellow arrow
    - the second arrow is probably a power socket ?!

    Lenovo Yoga 700-14ISK: BYG43 NM-601 Board, Identify PD109, U101, FWL Diode, 5AF2W Transistor
  • #5 16259426
    _1KOKO
    Level 33  
    The system is BQ24770 and the battery socket is the 5 pin on the left side of the photo black.
  • Helpful post
    #6 16259614
    lisek
    Service technician RTV
    BQ24770 ( Link )

    * helpful (bq24780SE) - user guide, see Link_bq24780S E

    Probably Schottky diode
    Look in SM from Lenovo 500s (Compal LA-D061P)

    ps

    See if you have similar subtitles on the disc
    Lenovo Yoga 700-14ISK: BYG43 NM-601 Board, Identify PD109, U101, FWL Diode, 5AF2W Transistor
    448.06701.0011 that is the Wistron LT41 platform
    (write from the cooling UK side

    MS is gone.
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  • #7 16261723
    _1KOKO
    Level 33  
    Only such markings. Lenovo Yoga 700-14ISK: BYG43 NM-601 Board, Identify PD109, U101, FWL Diode, 5AF2W Transistor

Topic summary

The discussion revolves around the BYG43 NM-601 board used in the Lenovo Yoga 700-14ISK, focusing on identifying components PD109, U101, and the 5AF2W transistor. Users suggest looking for schematics related to similar Compal boards, particularly the NM-A381 Rev: 1.0, which includes various components like IT8386E-192, TPS51716, and BQ715. The BQ24770 system is identified as relevant, with discussions on the battery socket and potential Schottky diode applications. Users share images for reference and seek further clarification on the layout and component markings.
Summary generated by the language model.
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