Lcd-Power-Inverter Oz9938 Top245 Sch

2

Click here to load reader

Transcript of Lcd-Power-Inverter Oz9938 Top245 Sch

  • 34

    6. Inverter

    C515NC

    R51522K

    OVP2

    C5132.2n/50V

    +C522150uF/35V

    C5022.2n/50V

    R52422K 1%

    R51622K

    U502

    AP9971GD

    1234 5

    678S1

    G1S2G2 D2

    D2D1D1

    R5100R

    C51633nF/50V

    C52410P/3KV

    D504BAV70/SOT

    Q501NC

    +5V

    C531NC

    R5173.3K

    R52333K 1%

    CPT

    C5072.2u/25V

    R5013M/3kv

    C530680P/50V

    INL

    R528NC

    R5131M

    T502EEL-19 24:24:2400

    1

    4

    3

    6

    8

    7

    BRIGHTNESS

    R518100K

    OVP1

    200R

    +5V

    R509

    +5V

    CN501

    H

    L

    D5061N4148W

    D502BAV99

    12

    3

    C503NC

    200R

    OLP1

    R531

    NC

    R5023.3K

    C5112.2u/25V

    C5100.068u/50V

    R538604K 1%

    C5275P/3KV

    R50833R

    C512

    33n/50V

    R5033M/3KV

    VCC5V

    C5142.2n/50V

    R53410K 1%

    C523680P/50V

    C50833n/50V

    C5255P/3KV

    OLP2

    OVP1

    R51210K

    C5012.2n/50V

    C52610P/3KV

    R52610K

    C5064.7n/50V

    R514100K

    OVP2

    D503BAV70/SOT

    R5301M

    D501BAV99

    12

    3

    C5050.01u/50V

    R53233R

    OLP1

    CN503

    H

    L

    CN504

    H

    L

    C529470P/50V

    R507NC

    R5043.3K

    R5273.3M 1%

    ZD501NC

    U501

    AP9971GD

    1234 5

    678S1

    G1S2G2 D2

    D2D1D1

    ON/OFF

    +12V

    IC501

    OZ9938GN

    1

    2

    3

    4

    5

    6

    7

    8 9

    10

    11

    12

    13

    14

    15

    16DRV1

    VDDA

    TIMER

    DIM

    ISEN

    VSEN

    OVPT

    NC NC

    ENA

    LCT

    SSTCMP

    CT

    GNDA

    DRV2

    PGND

    CN502

    H

    L

    R50633R

    R52133R 1/4W

    OLP2

    T501EEL-19 24:24:2400

    1

    4

    3

    6

    8

    7

    R520

    3.3K

    LPL

    R5291M

    R53333R

    Item

    R52239K 1%

    +5V

    R509200R 1%

    + C509150uF/35V

    220R

    R5110R

    D505

    BAW56W

    R519100K

    C504

    1n/50V

    7. Power

    AdministradorSticky NoteSI NO QUEREMOS CAMBIARLA LAMPARA ES NECESARIO ENGAAR LAS PROTECCIONES DELOZ Y UNA DE LAS FORMAS ES COLOCAR UN VOLTAJE DE 3 VOLTIOS EN EL PIN7CORTESIA DE ELECTRONICA Y SISTEMAS CALI

    Prueba:intercambie los conectores de las lamparas, si no se apagan una de las lamparas est mala: CRUZAR LOS CONECTORES DE LAS LAMPARAS, SI NO SE APAGA UNA DE LAS LAMPARAS ESTA MALA