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Westinghouse L1975NW resistor values

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    #1

    Westinghouse L1975NW resistor values

    Hello All! I'm new to this forum and I'm hoping someone can help. I have a Westinghouse L1975NW LCD monitor with a Delta Electronics DAC-19M005AF power supply/inverter board. An excellent photo of this board was supplied by Mobaar on another thread:

    https://www.badcaps.net/forum/showth...hlight=l1975nw

    I have the exact same board. Here's the problem: It looks like the board was hit by a power surge that damaged several components in the primary portion of the power supply. MOSFET Q102 shorted out and several surface mount resistors burned in the process. I've been able to identify most of the failed components except for four resistors: R131,R132,R133 and R134 located below the 100uf 450V primary filter capacitor on the foil side of the board. Again, these are surface mount resistors and I'm hoping that someone has a similar board and can give me the values of these resistors. Also, I'm thinking they are a 1/8 Watt rating (they are approx. 1mm x 3mm in size). Can someone please verify that? Thanks for looking!
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    #2
    Re: Westinghouse L1975NW resistor values

    jetamd123- I have a DAC-19M005 DF board. I have checked the resistors you are asking about. On my board they are all R200. I think that is 20 ohms but make sure you check first. I have some transistors I can't read on my board and was wondering if you could check your board for me. The resistors are are Q200, Q201, Q202, Q203, Q204, Q207, Q208 Q209 and Q210. If you could help me with this that would be a great help. Thank you for the help.

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      #3
      Re: Westinghouse L1975NW resistor values

      Originally posted by frankNstein
      jetamd123- I have a DAC-19M005 DF board. I have checked the resistors you are asking about. On my board they are all R200. I think that is 20 ohms but make sure you check first. I have some transistors I can't read on my board and was wondering if you could check your board for me. The resistors are are Q200, Q201, Q202, Q203, Q204, Q207, Q208 Q209 and Q210. If you could help me with this that would be a great help. Thank you for the help.
      Ahh, Frank, Q200 etc would be a transistor.

      PlainBill
      For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

      Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

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        #4
        Re: Westinghouse L1975NW resistor values

        PlainBill- Thank you but I need the numbers marked on the transistors. Thanks again

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          #5
          Re: Westinghouse L1975NW resistor values

          Hello! Thanks for the info on the resistors. However, I no longer have this monitor.

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