Service Manuals, User Guides, Schematic Diagrams or docs for : Dell Dell-LCD-Monitor-1503FP-Service-Manual

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Dell-LCD-Monitor-1503FP-Service-Manual


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                   TFT-LCD MONITOR
                   1503FP




SERVICE                     Manual
 TFT-LCD MONITOR                         CONTENTS
                        1. Precautions

                        2. Product Specifications

                        3. Disassembly & Reassembly

                        4. Troubleshooting

                        5. Exploded View & Parts List

                        6. Electrical Parts List

                        7. Block Diagram

                        8. Wiring Diagram

                        9. Schematic Diagrams
9 Schematic Diagrams
9-1 Scaler Part Schematic Diagram




                                                                                                MINUS_KEY

                                                                                                DOWN_KEY
                                                                                                MENU_KEY
                                                                                                AUTO_KEY


                                                                                                PLUS_KEY
                                                                                                SEL_KEY



                                                                                                UP_KEY
                                                                       AVDD_3.3 AVDD_2.5                         DVDD_2.5              DVDD_3.3
                                                                                                                                                                                                         12 R301, R302


                                                     DVDD_3.3



                                                                                                                                                                                     DBR(7:0)

                   12

                   13         Rx2+
                               Rx2-
                              Rx1+                                                                                                                                                   DBG(7:0)
                               Rx1-
                   14         Rx0+
                               Rx0-                                                                                                                                                                      13 R303, R304
                              RxC+
                              RxC-

                   15                                   AVDD_3.3
                                                                                                                                                                                     DBB(7:0)




                                                                                                                                                                                                  DCLK
                                                                                                                                                                               DHS
                              BLU+                                                                                                                                             DVS
                                                                                                                                                                               DEN
                              GRN+                                                                                                                                                     DAR(7:0)
                              RED+

                        A_H*V_SYNC
                          A_V_SYNC
                                                                                                                                                                                                         14 R305, R306

                                                                                                                                                                                     DAG(7:0)


                                                         PVDD_3.3



                                                                                                                                                                                       DAB(7:0)




                                                                                                                                                                                                         15 R307, R308
                   DDDC_SCL
                   DDDC_SDA
                       HCLK
                        HFS



                                          DVDD_3.3




                                                                                                                                                     DVDD_3.3


                                   *IRQ
                                 *IRQIN                                                                                                                         FSADDR(13:0)
                                *RESET



                    FSADDR(13:0)


                                                                                     DVDD_2.5
          +2.5V_D




          +3.3V_D                                                                                    DVDD_3.3   +2.5V_A                   AVDD_2.5




         +3.3V_A                                           AVDD_3.3   +3.3V_P                                               PVDD_3.3




1503FP                                                                                                                                                                                                                   9-1
                                                                                                            9 Schematic Diagrams


9-2 MCU Part Schematic Diagram

                                         +5V_M




                                                                 *IRQ

                                                                 HFS
                                                                 HCLK
                                                                 HDATA(3:0)



                                                                 D(7:0)




                         A(16)
                        RESET
                         RXD
                         TXD                                     ALE
                                                                 *PSEN
                       PWR_SW
                          SDA
                          SCL                                     A(15:8)

                   CHK_DSUB
                    CHK_DVI

                                                                                                   *RESET
                                                                                                   RESET



                                                                                   +5V_M




                                                         +5V_M



                                                 A(15)
                                                 A(16)
                                                             BANK




                                 +5V_M
                                                                          A(15)



                BANK
                                                                                   +5V_M




                                                                                  +5V      +5V_M




9-2                                                                                                                      1503FP
9 Schematic Diagrams


9-3 LCD Output Part Schematic Diagram

                                                    LVDS_3.3                                                  8 IC401 #45, 46   1 IC401 #31




                                                                                                              9 IC401 #47, 48   2 IC401 #30

                                                                           9               PANEL_3.3
                                                                                   8
                                         DAR(7:0)
                                                                                   7
                                                                                       6

                                         DAG(7:0)
                                                                                                                                3 IC401 #28

                                                                               5

                                         DAB(7:0)

                                                                               1

                                                               4                                                                4 IC401 #27

                                                                   3
                                            DHS                        2
                                            DVS
                                           DEN
                                          DCLK
                                        LVDS_EN

                                                                                                  PANEL_3.3                     5 IC401 #37, 38




                                                                                                                                6 IC401 #39, 40




                                                                                                                                7 IC401 #41, 42




1503FP                                                                                                                                            9-3
                                                                                                                                                             9 Schematic Diagrams


9-4 Video Input Part Schematic Diagram


                                                                                                                                                             10 IC510 #4

                                                                         RED+
                                                                         GRN+
                                                                         BLU+
                                                                             A_H*V_SYNC
                                                                             A_V_SYNC
                                                                                                                                     Rx2+
                                                                                                                                     Rx2-
                                                                                                                                     Rx1+
                                                                                                                                     Rx1-
                                                                                                                                                             11 R211
                                                                                                                                     Rx0+
                                                                                                                                     Rx0-
                                           11                                                                                        RxC+
                                                                                                                                     RxC-
                                                                                                                           +5V




                                                                         ADDC_DATA                                               CHK_DVI
                                                                         ADDC_CLK

                                                                                                                                            +5V




                                                                                                                                            DDDC_SCL
                                                                                                                                            DDDC_SDA




                                         CHK_DSUB                                         10




                                                                                                                     +5V




                                                                                                                                                  BRIGHT
                                                                                                                                                  LVDS_EN
                                                                                                                                                  PANEL_EN
                                                                                                                                                   D_LED
                                                                                                                                                  A_LED
                                                                                                                                                  LED_RED
                                                                                                                                                  LED_GRN
                                                                                                                                                  BKLT_EN
                                  +5V


                                                Power Function


                                                                                               +5V
                   SEL_KEY
                  AUTO_KEY                                                                           Menu Function
                   PWR_SW

                                                                 DOWN_KEY
                      A_LED                                      MENU_KEY
                                                                 PLUS_KEY
                      D_LED
                                                                 MINUS_KEY
                    LED_RED                                      UP_KEY

                    LED_GRN




9-4                                                                                                                                                                        1503FP
9 Schematic Diagrams


9-5 Power Part Schematic Diagram

                                   +12V_INV          +12V
                                                                           +5V                 +12V


                                              +12V




                               +5V                    +3.3V_P




                                                                                                         +5V
                                                                                 +2.5V_A
                                                                                                                              +3.3V_D




                                                                                     +2.5V_D                                 +3.3V_A




                                                                                 +3.3V
                                                                                                      LVDS_3.3   PANEL_3.3




                                                                LVDS_EN




                                                                PANEL_EN




1503FP                                                                                                                                  9-5
                                      9 Schematic Diagrams



9-6 Function Part Schematic Diagram




9-6                                                1503FP
Samsung Electronics Co., Ltd. November 2000
Printed in Korea
P/N :BN68-00175B-01



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