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DV-P4925KDSM


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       DVD PLAYER




            Model:
     DVP4925KDSM


SERVICE MANUAL




           www.akai.ru
                 5                                                                                  4                                                                                                           3                                                                                      2                                                                                       1




                VTREK89DM6-11.1
                MT1389QE DVD                                             Board for SONY KHM310 PUH

D                                                                                                                                                                                                                                                                                                                                                                                                                                                    D
                     1       INDEX & POWER, RESET
                     2       RF / SERVO - MT1336E
                     3       MPEG - MT1389QE/D
                     4       MEMORY - SDRAM, FLASH/EEPROM
                     5       AUDIO - WM8746, VIDEO FILTER


                 NAME            TYPE                                         DEVICE
                 VCC             Digital 5V                                   SUPPLY
                 DV33            Digital 3.3V                                 MT1389E
                 RFV33           Servo 3.3V                                   MT1389E
                 LDO_AV33        Laser Diode 3.3V
                 AVCC            RF 5V                                        PICKUP HEADER
                 V18             Digital 1.8V                                 MT1389E
                 SD33            Digital 3.3V                                 SDRAM
                 +12V            Audio +12V                                   OP AMP.
C                                                                                                                                                                                                                                                                                                                                                                                                                                                    C
                 -12V            Audio -12V                                   OP AMP.
                 AVDD            Audio 5V                                     Audio DAC
                 DVDD            Audio 5V                                     Audio DAC




                                                         L1         FB 0805
                                        PV33                                                                                                                       DV33
                                                                                                                                                                                    DV33
                                                                                                                                             +                                                                                       -12V                                                             +12V
                                                                                                                               C1                     C2                                                            L2                                                       L3                                                      DV33
                                                                                                                               0.1u                   220u
                                                                                                                                                                                                        -P12V                                                +P12V
                                                                                                                                                                                                                    FB 0805                                                  FB 0805
                                                                                                                                                                                                                                                                                                                              2




                                                                                                                                                                                                                              C5            C3                                                 C6       + C4                                                                                  URST#
                                                                                                                                                                                                                                        +                                                                                                                                                                    URST#       [2]
                                                                                                                                                                                                                              0.1u          220u                                               0.1u        220u                                R1                                             V18
                                                                                       U16                                                                                                                                                                                                                                                                                                                   V18         [2]
                                                                                                                                                 L4     FB 0805                                                                                                                                                      D3                        10k
                                                                                                                                                                        V18                                                                                                                                          1N4148                                                                   DV33
                                                                                                                                                                                                                                                                                                                              1




                                                                                   3    IN    OUT       2                                                                           V18                                                                                                                                                                                                                      DV33        [ 2,3,4,5 ]
                                                                                               VR       4                                    +
                                                                                                        1       R2         NC         C7              C8                                                                                                                                                                                          URST#                                       VCC
                                                                                              GND                                                                                                                                                                                                                                                                                                            VCC          [ 2,3,4,5 ]
                                                                                                                                      0.1u            220u              C9
    CN1                                                                                                                                                                 0.1u                                                                                                                                                                                                                  AVCC
                                                                                                                                                                                                                                                                                                                                                                                                             AVCC         [2]
                     -P12V                                                         AZ1117H-1.8 NC                 C233    NC                                                                                                                                                                                                              +
        1                                                                                                                                                                                                                                                                                                                     C10                                                             LDO_AV33
        2                                                                                                                                                                                                                                                                                                                                                                                                    LDO_AV33          [2]
                     +P12V                                                                              R3                                                                                                                                                                                                                    100u
B       3                                                                                                                                                                                                                                                                                                                                                                                                                                            B
                                                                                                        0                                                                                                                                                                                                                                                                                     RFV33
        4                                                                                                                                                                                                                                                                                                                                                                                                    RFV33        [2]
                     +5VA
        5                           Regulator                      R3              R2                                                                                                                                                                                                                                                                                                         VCC_AUDIO
        6                                                                                                                                                                                                                                                                                                                                                                                                    VCC_AUDIO          [5]
                     +5V
        7            PV33                                                                                                                                                                                                                                                                                                                                                                     +12V
        8                           Fix regulator                  0 ohm                                                                                                                                                                                                                                                                                                                                     +12V        [ 4,5 ]
                     +PS5V
        9                                                                                                                                                                                                                                                                                                                                                                                     -12V
                                                                                   OFF
       10                                                                                                                                                                                                                                                                                                                                                                                                    -12V        [ 4,5 ]
    10PIN 2.5
                                    Adj regulator             300 1%             680 1%                                                                                                                                                                                                                                                                                                       MO_VCC
                                                                                                                                                                                                                                                                                                                                                                                                             MO_VCC [ 2 ]
                                                                                                                                                                                                  VCC                                                                              VCC_AUDIO
                                                                                                                                                                   L6     FB 0805                                                                                                                                                             U10                                             GND
                                                                                                                                                                                                                                                        L7                                                                                                                                                   GND         [ 2,3,4,5 ]
                                                                                                                                                             +5V                          VCC                                                                                                                                                 AAT3522 NC
                                                                                                                                                                                                            +C13                                 +5VA                VCC_AUDIO                                                        1
                                                                                                                                                                                                                                     +5VA                                                                                                     GND
                                               PV33                                                                                                                                        C12               220u                                                                                                 URST#               2
                                                                                                                                                                                           0.1u                                                         FB 0805                                                   DV33                        REST
                                                                                                                                                                                                                                                                                                                                      3       VDD
                                                                                                                RFV33                                                                                                                                                 C16              + C15
                                                              L5
                                                      PV33              RFV33                                                                                                                                                                                         0.1u              220u
                                                                                                                                                                                                   AVCC
                                                              FB 0805                                                                                                          L9    FB 0805
                                                                                                +       C11                                                   +PS5V                         AVCC
                                                                          C14                           220u
                                                                          0.1u

                                                                                                               LDO_AV33
                                                              L8
                                                                        LDO_AV33
                                                                                                                                                                          L26        FB 0805     MO_VCC
                                                              FB 0805                                                                                                                     MO_VCC
                                                                                                +       C17
                                                                          C18                           220u
                                                                          0.1u
                                                                                        GND




A                                                                                                                                                                                                                                                                                                                                                                                                                                                    A




                                                                                                                                                                                                                                                                                                                                                           AKAI DV-P4925KDSM 2CH/5.1CH OUTPUT
                                                                                                                                                                                                                                                                                                                                                       Title

                                                                                                                                                                                                                                                                                                                                                                               INDEX & POWER
                                                                                                                                                                                                                                                                                                                                                       Size    Document Number                                                              R ev
                                                                                                                                                                                                                                                                                                                                                          C                                                                                    1.0
                                                                                                                                                                                                                                                                                                                                                                 VTREK89DM6-11.2

                                                                                                                                                                                                                                                                                                                                                       Date:     Thursday, October 12, 2006              Sheet       1         of       5
                 5                                                                                  4                                                                                                           3                                                                                      2                                                                                       1
                                                                 5                                                                                                                                        4                                                                                                                                                 3                                                                                                                                2                                                                                                                         1




                                                                                                                                                       L12                                                                                                                                                                                                                JITFO          C20         390p          JITFN                                                                                                                                                                                                              R4                     L11   DV33
                                                                                                                                    RFV33                                                                                                        RFVDD3                                                                                                                                                                                                                                                 DV33                                                                                                                          0                      FB 0805
                                                                                                               RFV33                                                                                                                                                                                                                                                                                                                                                                       L13
                                                                                                                                                                                                                                                                                                                                                                                         R5             750k                                                                                                                                                                                        APLLVDD3




                                                                                                                                                                                                                                                                                  V1P4
                                                                                                                                                                                                                                                                                                  0.1u
                                                                                                                                                                                                                                                                                                  0.1u
                               C21         2200p                            C22                                                                        FB 0805                                                C25            C26           C27                                                                                                                                                                                                DACVDD3
                                                                            NC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           FB 0805                                                                                                       C24                     + C23




                                                                                                                                                                                                                                                                                  100k
                                                                                                                                                                                                                                                                                  100k
                               R6            680k          OPO              R7                     0          ADIN                                                                                            0.1u           0.01u         2200p                                                                                                                                                                                                         C30                    + C29




                                                                                                                                                                                                                                                                                         20p
                                                                                                                                                                                                                                                                                         20p
                                                                                                                                                                                                                                                                                                  C28
                                                                                                                                                                                                                                                                                                  C28
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         0.1u                     10uF/25v




                                                                                                                                                                                                                                                                                                                                     0.47u NC
                                                                                                              OP-                                                                                                                                                                                                                                     10uF/25v                                                                                           0.1u                       10uF/25v
                                                                                                              OP+                                                                                                                                                                                                                                     C32                                      C34                                                                                                                                                                             U1A




                                                                                                                                                                                                                                                               15k
                                                                                                                                                                                                                                                                                             C31
                                                                                                                                                                                                                                                                                             C31
                                                                                                                                                                                                                                                                                                                                                                                               1500p
                                                                                                                                                                                                                                                                                                                                                +                         +
                                                                                                                                                                                    R13                                                                                                                                                                          C33                                                                                                                                                                    L14     2.7uH




                                                                                                                                                                                                                                                                                     R8
                                                                                                                                                                                                                                                                                     R8
          R9                                                 R10                                       R11                                                                          6.8                                                                                                                                                                          10uF/10v                                                                                                                                                                                                 1                2




                                                                                                                                                                                                                                                                                  1000p
                                                                                                                                                                                                                                                                                  1000p




                                                                                                                                                                                                                                                                   0.1u
                                                                                                                                                                                                                                                                                                                                                         XI
                                                                                                                                                                                                                                                                                                                                                         XO
          150k                                               150k                         C36                                                                                                                                        PLLVDD3
                                                                                          2200p        680k                                                                                                                                                                                                                                                                                                                                                                                  DV33




                                                                                                                                                                                                                                                                                                                                     C35
                                                                                                                   V1P4                                                           ADACVDD3                                                                                                                                                                                                                                                                                                                                         C39                                         74HC04                                      U1B




                                                                                                                                                                                                                                                                                                                                                         0
                                                                                                                                                                                                                                                                                                                                                         0




                                                                                                                                                                                                                                                                 R12
                                                                                                                                                                                                                                                                                         C37
                                                                                                                                                                                                                                                                                         C37
                          R14                NC                             CN3                                                                        L15                                                                                                                                                                                                                                                                                                                                                                         1000p                                                                                                             R18        NC
D                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              D




                                                                                                                                                                                                                                                               C38
                                                                            6P 2.0                                                                                    ADACVDD3                        +       C40                  C41                                                                                                                                                                                                                                                                                                                                    R17               100k                   3                    4                                    XTALI
          SP-             R19                1                                                                                                      330uH                                                     100uF/16v
                                                                                6




                                                                                                                                                                                                                                                                      0.1u
                                                                                                                                                                                                                                                                             0.033u
                                                                                                                                                                                                                                                                                                             0.047u
                                                                                                                                                                                                                                                                                                                      0.047u
          SP+                                                                                                                                                                                                                      0.1u                                                                                                                                                                                                                                                                                                                                             Y1
                                                                                5




                                                                                                                                                                                                                                                                                             RFVDD3
                                                                                                                                                                                                                                                                                                                                                                                                                                     ASPDIF
                                                                                                                                                                                                                                                                                                                                                                                                                                     FS2
                                                                                                                                                                                                                                                                                                                                                                                                                                              FS0
                                                                                                                                                                                                                                                                                                                                                                                                                                              ASDAT2
                                                                                                                                                                                                                                                                                                                                                                                                                                              ASDAT1
                                                                                                                                                                                                                                                                                                                                                                                                                                              ASDAT0
                                                                                                                                                                                                                                                                                                                                                                                                                                              ALRCK
          LIMIT                                                                                                                                            C42             +               C19                                                                                                                                                                                                                                                                                                                                                       XI                                                      XO            74HC04                             C43
                                                                                4




                                                                                                                                                                                                                                                                                                                                                           R16




                                                                                                                                                                                                                                                                                      0.1u
                                                                                                                                                                                                                                                                                      0.1u
                                                                                                                                                       1000uF/16v                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             NC
                                                                                3




                                                                                                                                                                                                                                                                                                                                                                                            Y6




                                                                                                                                                                                                                                                          RFVDD3
                                                                                                                                                                                                                                                                                                                                                                     AL
                                                                                                                                                                                                                                                                                                                                                                               AR
                                                                                                                                                                                                                                                                                                                                                                                            Y5
                                                                                                                                                                                                                                                                                                                                                                                                      Y4
                                                                                                                                                                                                                                                                                                                                                                                                                Y3
          SL-                                                                                                                                                                              6800PF




                                                                                                                                                                                                                                                                      C44
                                                                                                                                                                                                                                                                                                      C46
                                                                                                                                                                                                                                                                                                                      C47
                                                                                                                                                                                                                                                                                                                                                                              ADACVDD3
                                                                                                                                                                                                                                                                                                                                                                                          APLLVDD3
                                                                                                                                                                                                                                                                                                                                                                                                     DACVDD3
                                                                                                                                                                                                                                                                                                                                                                                                               DACVDD3
                                                                                                                                                                                                                                                                                                                                                                                                                                DACVDD3
                                                                                2




                                                                                                                                                                                                                                                                                                      RFVDD3
                                                                                                                                                                                                                                                                                                                               PLLVDD3
                                                                                                                                                                                                                                                                                                                                                      JITFN
                                                                                                                                                                                                                                                                                                                                                      JITFO
                                                                                                                                                                                                                                                                                                                                                      RFV18
          SL+                                                                                                                                                                                                                                      C48                                                                                                                                                                                                                                FS                                                             C50                            27MHz               C51




                                                                                                                                                                                                                                                                               C45
                                                                                1




                                                                                                                                                                                                                                                                                                                                                    XTALI R15
                                                                                                                                                                                                                                                   0.1u                                                                                                                                                                                                                             VREF                                                             33p                                                33p




                                                                                                                                                                                                                                                                             C49
                                                                                                                                                                                                                                                                             C49
     DV33                                                                                                                                 V2P8                             V20                                  V1P4                                                                                                                                                                                                                                                                                                       R20
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C55
                                                                                                                          C56             + C52              C57           + C53                 C58             + C54
            R21                      10k                                                                                                                                                                                                                                                                                                                                                                                                                                                                     0.1u          2k




                                                                                                                                                                                                                                                          216
                                                                                                                                                                                                                                                          215
                                                                                                                                                                                                                                                          214
                                                                                                                                                                                                                                                          213
                                                                                                                                                                                                                                                          212
                                                                                                                                                                                                                                                          211
                                                                                                                                     



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