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Resistors R30 and R31 on pcb 4233-1288d-b completely burnt.

Resistors R30 and R31 on pcb 4233-1288d-b are burnt beyond recognition and need to be replaced. They conect directly to the voltage and resistance measurement terminal on my wavetek multimeter. I have searched everywhere for a wavetek dm27xt digital multimeter schematic in order to find out their sizes and types.

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R31 47 ohm 1/4 watt 5%
R30 100 ohm 1/4 watt 5%

Posted on May 30, 2009

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  • Mike Jun 17, 2011

    Excuse me, resistor R11 and C01 on pcb 4233-1288d-b are burnt beyond recognition y need to be replaced, thank you very much

  • Bernard Jun 21, 2011

    I will try to find our wavetek multimeter in our office - I looked today but could not locate it. If I find it, I should be able to see the parts and tell you what they are. Bernard

  • wi no Jul 19, 2011

    r30 is 100 ohms, R 31 is 47 ohms

  • Bernard Feb 09, 2012

    R11 looks like 500 or 5k, green black, black, black then white - is 1% value
    with meter to measure across it, I get 903 ohms, but that may vary with front switch setting, I did not check that-but I can send u photo - bmsbms.0123@gmail.com
    C01 is chip cap, not easy to know value - could be .1 uf or smaller

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http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

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