Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor 154F_sch

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154F_sch


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15" LCD Color Monitor                                                                                                                                                                                                                                                                                                                                                                                                                                No Brand 154F
6. Schematic
6.1 Main Board
                                                                                                                                       5V     D401
                                                                                                                                              1N4148

                                                                                                                                                                                                                                                                                                                                                                                     MCU_VDD
                                                                                                                                                                                                                                   MCU_VDD
                                                                                                                               DDC_VDD        D402                                                  D403
                                                                                                                                              1N4148                                                1N4148

                                                                                                                                                                                                                                                                                                                                                                                 C412
                                                                                                                                                                                                                                                                                                                                                                         DGND    220n
                                                                                                                                                                                                                                                                               +                                                                                    U403
                                                                                                                           PWR_LEDG                                                                                                                                                                              C403                                               AT24C16
                                                                                                                                                                                                                                                                                     C402
                                                                                                                           PWR_LEDA                                                                                                                                                  47u/16V                      100n                                          1                8
                                                                 5V                                                                                                                                                                                                                                                                                             2     A0   VCC   7                                        WP
                                                                                                                                                                                                                                                                                                                                                                3     A1    WP   6               R436              100    SCL
                                                                                                                                                                                                                                                                        DGND                           DGND                                                     4     A2  SCLK   5               R437              100    SDA
                                                                                                                                                                                                                                                                                                                                                                      GND SDA


                                                 R4218        R403    R401        R4207      R4208                                                                                                                                                                                                                                                     DGND
                                                 4.7k         1k      4.7k        4.7k       4.7k




                                                                                                                                                                                                                                               44

                                                                                                                                                                                                                                                           43

                                                                                                                                                                                                                                                                        42

                                                                                                                                                                                                                                                                                     41

                                                                                                                                                                                                                                                                                                  40
                                                                                                                                                                      6

                                                                                                                                                                                   5

                                                                                                                                                                                               4

                                                                                                                                                                                                           3

                                                                                                                                                                                                                       2

                                                                                                                                                                                                                                   1
                          MUTE




                                                                                                                                                                                    PA3/PWM5

                                                                                                                                                                                                PA2/PWM4

                                                                                                                                                                                                            PA1/PWM3

                                                                                                                                                                                                                        PA0/PWM2
                                                                                                                                                                       PA4/PWM6*




                                                                                                                                                                                                                                                                                                   PC3/PWM0
                                                                                                                                                                                                                                    PD0




                                                                                                                                                                                                                                                                                      PC2
                                                                                                                                                                                                                                                            PC0*

                                                                                                                                                                                                                                                                         PC1*
                                                                                                                                                                                                                                                VCC
                          AMP_STBY
                                                                                                                                                                                                                                                                                                                                                              PWR1_EN

                   BL_EN                                                                                                                                                                                                                                                                                                                                      PWR2_EN
                                        R4217                                                               MCU_VDD                                  7                                                                                                                                                                        39                                                                                                   CN103
                                                                                                                                                         PA5/PWM7*                                                                                                                                              PC4/PWM1                                      VSO                                        SCL
                                        15k
                          VOLUME                                                                                                                     8                                                                                                                                                                        38                                                                         SDA                        1
                                                                                                                                                         PA6/PWM8*                                                                                                                                                      PC5                                   HSO                                                                   2
                                                                                                                                                     9                                                                                                                                                                        37                                                                                                    3
                BL_BRIGHT                                                                                                                                PA7/PWM9*                                                                                                                                                      PC6                                   VGA_DET
                                                              R404                                                      R407           100          10                                                                                                                                                                        36         WP                                                                                        (NC)3PIN/2.0mm
                                                                                                                                                         RSTB                                                                                                                                                           PC7
                                                              1k                                                                                                                                                            U402                                                                                                         AUTO
                                                                                                                                                                                                                                                                                                                                                                                                                         DGND
                                                                                      RXD                                                           11
                                                                                                                                                         P30/RXD                                                                                                                                                        PD1
                                                                                                                                                                                                                                                                                                                              35                                                                          TO DEBUG
                                 C494              C401                                                                                                                                                         NT68F633                                                                                                                 MENU
                                 1u                1u                                                                                               12                                                                                                                                                                        34
                                                                                                                                                         PD6                                                                                                                                                            PD2
                                                                                      TXD                                                           13                                                                                                                                                                        33
                                     DGND   DGND                                                                                                         P31/TXD                                                                                                                                                         NC
                                                                                                    R4209         100                               14                                                                                                                                                                        32
                                                       IRQN                                                                                              PB2/ADC2/INTE0                                                                                                                                                  NC
                                                                                                                                                    15                                                                                                                                                                        31         RIGHT
                                                                                                                                                         PB3/ADC3/INTE1                                                                                                                                                 PD3
                                                                                                                                                                                                                                                                                                                                         LEFT                                                           M_TXD
                                                                                                    R4210         NC                                16                                                                                                                                                                        30
                                                  SCL                                                                                                    P34/T0                                                                                                                                                         PD4                                                                             M_RXD
                                                                                                                                                                                                                                                                                                                                                                                                                                             R160
                                                                                                    R4211         NC                                17                                                                                                                                                                        29         PWR                                                                                                 NC
                                                  SDA                                                                                                    P35/T1                                                                                                                                                         PD5                                                                              5V




                                                                                                                                                                                                                                                                         PB5/SDA0*



                                                                                                                                                                                                                                                                                                   PB7/SDA1*
                                                                                                                                                                                                                                                                                                                                                                                                                                                         DDC_SCL




                                                                                                                                                                                                                                                            PB4/SCL0*



                                                                                                                                                                                                                                                                                      PB6/SCL1*
                                                                                                                                                                                                                                    PB0/ADC0

                                                                                                                                                                                                                                                PB1/ADC1
                                                                                                                                                                                                                                                                                                                                                                                                                                                         DDC_SDA
                                                   5V          R420




                                                                                                                                                                                                OSCO
                                                               4.7k                                                      R4212 R4213                                                                                                                                                                                                                                                                                                         R161




                                                                                                                                                                                                            OSCI

                                                                                                                                                                                                                        GND
                                                                                                                                                                       PE0

                                                                                                                                                                                    PE1
                                                                                                                         NC    NC                                                                                                                                                                                                                                                                CN101                          R132         NC
                                                                                                                                                                                                                                                                                                                                                                                                                                100
                                                                                                                                                                                                                                                                                                                                                                                                   1                                        TXD
                                                                                                           MCU_VDD                                                                                                                                                                                                                                          MCU_VDD                                2




                                                                                                                                                                      18

                                                                                                                                                                                   19

                                                                                                                                                                                               20

                                                                                                                                                                                                           21

                                                                                                                                                                                                                       22

                                                                                                                                                                                                                                   23

                                                                                                                                                                                                                                               24

                                                                                                                                                                                                                                                           25

                                                                                                                                                                                                                                                                        26

                                                                                                                                                                                                                                                                                     27

                                                                                                                                                                                                                                                                                                  28
                                                                     R421                                                                                                                                                                                                                                                                                                                                                                   RXD
                                                                     6.8k                   C410                                                                                                                                                                                                                                                                                                   3
                                                                                            100p                                                                                                                                                                                                                                                                                                   4                             R133
                                                                                                                                                                                                                                                                                                                                                                                        (NC)4PIN/2.0mm                           100
                                                C477
                                                100p                                                                                                                                                                   DGND
                                                                                                   RSTN
                                                                        DGND                                                                                                                                                                                                                                                  R419 R418 R417 R416
                                                                                                                                                                                                                                                                                                                              2k   2k   2k   2k                                                          DGND
                          12M_OSC
                                                                                                                                                                                                                                                                                                                                                                                                       TO RS232
                                                                 R411            1M
                                                                                                                                                                                                                                                                                                                                                      R4214     100
                                                                                                                                                                                                                                                                                                                                                                          SDA
                                                                                                                                                                                                                                                                                                                                                      R4215     100
                                                                                                                                                                                                                                                                                                                                                                          SCL
                                                                                                                                                                                                                                                                                                                                                      R414      100
                                                                                                                                 MCU_VDD                                                                                                                                                                                                                                  DDC_SDA
                                                                      X401
                                                        C404          12MHz                 C405                                                                                                                                                                                                                                                      R415      100
                                                                                                                                                                                                                                                                                                                                                                          DDC_SCL
                                                        22p                                 22p
                                                                                                                                                                                                                                                                                                                                                      AD0

                                                                                                                               R4200         R4201                                                                                                                                                                                                    AD1
                                                                                                                               7.5k          7.5k
                                                              DGND

                                                                                                                                             R4202        nc          AD0                                                                                                                                      C481           C480
                                                                                                                                             R4203        nc          AD1                                                                                                                                      NC             NC

                                                                                                                                             R430         1k          LEFT
                                                                                                                                             R429         1k          MENU
                                                                                                                                                                                                                                                                                                                  DGND
                                                                                                                 LED_ORANGE                  R4204        100         PWR_LEDA
                                                                        CN102                                    LED_GREEN                   R4205        100         PWR_LEDG
                                                                            1     2
                                                   MENU_KEY                 3     4         AUTO_KEY                                                           R434        1k                  AUTO                                                                          POWER_KEY                                               8        CN105
                                            LEFT_KEY                        5     6         RIGHT_KEY                                                          R435        1k                  RIGHT                                                                         MENU_KEY                                                7
                                                                            7     8         POWER_KEY                                                          R431        1k                  PWR                                                                           AUTO_KEY                                                6
        NC        NC         NC                    MUTE                     9    10                                                                                                                                                                                          LED_ORANGE                                              5
        ZD420     ZD421      ZD422                 AMP_STBY                 11   12           12V                                                                                                                                                                            LED_GREEN                                               4
                                                   VOLUME                   13   14                       C413                                                                                                                                                               RIGHT_KEY                                               3
                                                                            15   16                       220p      ZD417                                                                                                                                                    LEFT_KEY                                                2
           C416           C418       C419                             8*2PIN/2.0mm             NC                     NC                                                                                                                                                                                                             1
           220p           220p       220p                                                      ZD416                    C414 ZD418 C415 ZD419                                                                                                                                                                                                 CONN
                                                                                                                        220p NC    220p NC    C417
                                                                 DGND                   DGND                                                  220p                                                                                                                                                                        DGND

                             DGND                                                                                                                                                                                                                                                                                                                                                              Title
                                                                                                                                                                                                                                                                                                                                                                                                                                   715L1426-3
                                                                                                                                                                                                                                                                                                                                                                                               Size      Document Number                                           Rev
                                                                                                                           DGND                                                                                                                                                                                                                                                                                                  MCU                                0.1

                                                                                                                                                                                                                                                                                                                                                                                               Date:          Tuesday, March 01, 2005        Sheet   1    of   5




                                                                                                                                                                                                                                                            18
15" LCD Color Monitor                                                                                                                                                                                                                                                                                                                                No Brand 154F
               FB401                                            ADC_VAA                                                                                                     3.3V
    3.3V   B0805/600                                                              3.3V      FB402                PLL_VAA                       2.5V
                                                                                            B0805/600


                                                                                                                               C495
                               +                                                                            +                  100u/16V +                                          C429         C430                   C431      C432      C433              C449     C451
                  C420                   C421    C422      C423     C424                          C425                  C426                          C434     C435                0.1u         0.1u                   0.1u      0.1u      0.1u              0.1u     0.1u
                  47u/16V                0.1u    0.1u      0.1u     0.1u                          47u/16V               0.1u                          0.1u     0.1u

                                                                                                                                                                                                                                                                                      C427
                                                                                                                                                                                                                                                                                      220u/16V




                                                                                                                                                                                                                                                                           +
                                                                                                                                                                            DGND                                                         2.5V
                                                                ADC_GND                                            PLL_GNDA                                                                                                                      FB403
                                                                                                                                               DGND                                                                                              B0805/1k

                                                                                                                                                                                                                                                                                      C428
                                                                                                                                                                                                                                                                                      0.1u
                                                                                                                                                                                                                                                                               DGND
                                   ADC_VAA                                                                                                                                                                                                                                                                                 R440           22
                                                                                                                                                                                                                                                                                                                                                         GPO7/GATE_CLK
                                                                                                                                                                                                                                  3.3V                                                                                     R441           22
                                                                                                                                                                                                                                                                                                                                                         VSO
                                                                                                                                                                                                PLL_VAA                                                                                                                    R442           22
                                                                                                                                                                                                                                                                                                                                                         HSO
                                                                                                                                                                            ADC_VAA                                                                                                                                        R443           22
                                                                                                                                                                                                                                                                                                                                                         GPO4/GATE_SP
                                             R446                                                                                                                                                                                                                                                                          R444           22
                                                                                                                                                                                                                                                                                                                                                         GPO3/SOUR_POL
                                             (NC)820                                                                                                                                                                                                                                                                       R4216          22
                                                                                                                                                                                                                                                                                                                                                         GPO2/GATE_OE



                                                       1
                                                                                                                                                                                                                                                                                                                           R445           22
                                                                                                                                                                                                                                                                                                                                                         GPO1/SOUR_LD
                                                                                                                                                                                                                                                                    DGND
                                                            2                 +




                                                                                                                                                                                                                    127




                                                                                                                                                                                                                    103
                                                                                                                                                                                                                    118

                                                                                                                                                                                                                    104
                                                                                                                                                                                                                    120




                                                                                                                                                                                                                                                                       110
                                                                                                                                                                                                                                                                       111
                                                                                                                                                                                                                                                                       112
                                                                                                                                                                                                                                                                       113
                                                                                                                                                                                                                                                                       114
                                                                                                                                                                                                                                                                       115
                                                                                                                                                                                                                                                                       116
                                                                                                                                                                                                                                                                       117

                                                                                                                                                                                                                                                                       124
                                                                  C436




                                                                                                                                                                              21
                                                                                                                                                                              14


                                                                                                                                                                                           25




                                                                                                                                                                                                                    71
                                                                                                                                                                                                                    37
                                                                                                                                                                                                                    56
                                                                                                                                                                                                                    85


                                                                                                                                                                                                                    38



                                                                                                                                                                                                                                                 83




                                                                                                                                                                                                                                                                       68
                                                                                                                                                                              8



                                                                                                                                                                                                        3
                                          D404                    47u/16V         C437
                                                                                                                IRQN
                                      (NC)AIC431CUN                               0.1u
                                                       3




                                                                                                                                                                                                         PLL_VAA




                                                                                                                                                                                                                                                                                   GPO7
                                                                                                                                                                                                                                                                               VSO/GPO6
                                                                                                                                                                               ADC_GVAA
                                                                                                                                                                               ADC_BVAA

                                                                                                                                                                                             ADC_VAA



                                                                                                                                                                                                                      PLL_VDD




                                                                                                                                                                                                                                                                               12M/GPO0
                                                                                                                                                                                                                                                                               HSO/GPO5
                                                                                                                                                                                                                     DPLL_VDD
                                                                                                                                                                               ADC_RVAA




                                                                                                                                                                                                                                                  LVDS_VCC




                                                                                                                                                                                                                                                                             PWM1/GPO4
                                                                                                                                                                                                                                                                             PWM0/GPO3
                                                                                                                                                                                                                                                                              D_DE/GPO2
                                                                                                                                                                                                                                                                               MD1/GPO9
                                                                                                                                                                                                                                                                               MD0/GPO8




                                                                                                                                                                                                                                                                           DISP_HS/GPO1
                                                                                                                                                                                               



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