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15 Comments

  1. Date: September 8, 2018 at 14:55
    Author: Bilal Khan

    Sir china ups charging nhi kr ra water damage hua hai or display bhi nhi ara…back mood py sahe km kar ra hai or chinging py bhi jta hai likn current nahi bharta battery ka

  2. Date: September 8, 2018 at 18:22
    Author: Bilal Khan

    SIR UC3843 jhan or LM 3904 ky pass jo smd components hoty hain uny me pani gya hai…or sir ye ups back up mode py on kro or chrging py lagao to ye charging ky liye ac line ki light on krta hai or sath battery ki light bhi on rkhta lkin shift nhi hota jab button ko off krdo to ups charging shoro krdata hai or jasy he on kro ups ko to charging krna bnd krdata hai or is ups ki screen bhi nhi ari sirf green light on hoti hai screen ki

  3. Date: September 8, 2018 at 18:32
    Author: Bilal Khan

    Agar me ups ko button off kr charging lagaon to ups kuch react he nhi data just dead rhta hai…lkin jan phly he on kr ky charging lgata or sath he off krdon to charging krne shoro hojta or line mode ky output milty he nhi

  4. Date: September 8, 2018 at 18:34
    Author: Bilal Khan

    Sir ye opreation amplifier ko jo refrance voltage milty hain kahin uski problem to nhii.or relay change kr ky app ko bataon gaw

  5. Date: September 9, 2018 at 11:08
    Author: Bilal Khan

    Line mode py jata hai line mode ki lef glow krti hai lkin back up milta rahta hai or battry ki led bhi sath he glow krti rhti hai

  6. Date: September 9, 2018 at 11:09
    Author: Bilal Khan

    Mujy to ups ky oprational amp ky pass lgay feed back network ka msla lgta

  7. Date: September 9, 2018 at 11:10
    Author: Bilal Khan

    Jo muj sy solve nhi ho paa ra..ap kahy to me app ki shop py ly aoon?

  8. Date: September 9, 2018 at 19:43
    Author: Bilal Khan

    Side card py jo controller ic hai wo…smd hai..wo ak ehlada problem hai

  9. Date: September 10, 2018 at 09:30
    Author: Bilal Khan

    Nhi controller walay card ki pin ki trf pani nhi gya

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