Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-DV280 Viewing SGML_VIEW_DATA EU SA-DV280EG SVC mbl_all

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mbl_all


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Z101 TUNER UNIT (RAN0005EM-2)

 FM ANT                                                                                                         AM ANT
            +B(FM)

                                                                                                                                                                                                                                                                                                                                                                                                                                 Q607
            RF AMP         FM                        IFT                                                                                AM                                AM                                                                                                                                                                                                                                                    (Q608)
                          MIXER                                                                                                        ANT                               OSC                                                                                                                                                                                                   13                  X1
                                                                                                                                                                                 +B2
                                                                                                                                       COIL                              COIL                                                  Rch                                    W501                                                                                                                                                  MUTING
                                    +B(FM)
                                                                            FM IF                                                                                                                                                                    TUNER L/C                                                                                                                 14
                                                                                             +B(FM)                                                                              FM / AM I F AMP,                                                                      1
                                                   BUFFER                   AMP                                                                                                   DET / AM OSC,
                          FM OSC                    AMP                                                                                                                                                                                                                                                                                                                                            X0
                                                                                                                                                                                  MIX / FM MPX                                                       TUNER Rch         2                        Rch
                                                                                                                                                                                   (LA1833MN)
                          +B(FM)                                                                                                                                                                                                                           A.GND       3
                                                                                                                                                                                                                                                                                                                                                                                                                     12
                                                                                                                                                                                                                                DET                                                                                    BU4053BCFE2
                                                                                                                                                                                 FM:ON                                                                      Lch IN     4                                                  IC201
                                                                                                                                                                                                                                                                                                                                                                                                                        1
                                                                                                                                                                                                                                                                                                                     SIGNAL SELECTOR
                                                                                                                                                                                                                                                            Rch IN     5                       Rch
                                                                                                                                                                                                                                                                                                                                                                                                   Y1                15          Q605
                                                                                                                                                                                                                                                           +B(10V)     6     +B5
                                                                                                                                                                                                                                                                                                                                                                                    2              Y0                       MUTING
                                                     3                      22               23          21           20               19               18       17         16     15                     13     14                                         SUR L      7




                                                                                                        AM RF
                                                                                           OSC




                                                                                                                                                                                                                 Rch
                                                                                                                                                                                   PILOT




                                                                                                                                                                                                           Lch
                                                                             AFC



                                                                                           AM




                                                                                                                                      OUT




                                                                                                                                                      OUT


                                                                                                                                                                 PILOT



                                                                                                                                                                           MPX
                                                                                                                       AGC




                                                                                                                                                      DET
                                                     REG




                                                                                                                                                                                    OUT
                                                                                                                                      AM
                                                                                                         IN
                                                                                                                                                                                                                                                                                               Rch




                                                                                                                                                                            IN
                                                                                                                                                                                                                                                            SUR R      8                                                                                                            8




                                                                                                                                                                   IN
                                                                                                                                                                                                                                                                                                                                                                                        G         SW CONT.
                                                                                                                                                                                                           DECODER
                                         AM          ALC                                                  AM                                                                                                                                                  S.W      9
                                         OSC                       AM                  AM                                     AGC
                                   24    OUT                       OSC                 MIX                 RF                                                                                                                         To SOUND PROCESSOR                                                                                                                        16
                                                   BUFEER                                                 AMP                                                                                                                                                 MIC      10                                                                                 +B4                           VDD
                                                                                                                                                                                                                                         (SH-DV280)
                                                                                                                                                                                                                                        BLOCK DIAGRAM                                                                                                                               7
                                                                                                                                                                           PHASE           STEREO                 PILOT                                    -B(-10V)    11    -B3                                                                            -B3                         VSS                                             Q902
                                                                                                                                                                            DET            SWITCH                CANCEL
                                                                                                                      AM             AM                                                                                                                                                                                                                                                       A        B   C                                  MUTING
                                                                                                                      IF             DET                                                                                                                    V.GND      12                                                                                                                                                     +B4
                                                                                                                                                                                                                                                                                                                                                                                                                                               CONT.
                                                         LEVEL                                                                                                                                                                                                                                                                                                                              11     10      9
                                                          DET                                  AM/FM                                                                                                                                                       D.GND       13
                                         FM IF                                                   IF
                                         IN
                                                                              S-              BUFFER
                                    1                                       CURVE                                      COMP                                                                                                                                CE/REQ      14
                                                         FM IF                                                                                                                                                         PILOT
                                                                                                                                                                           VCO      FF       FF           FF
                                                                           FM                 TUNING                                                                                                                    DET                                   CLK      15
                                                                           DET                 DRIVE
                                                                                                                                                                                                                                                             DATA      16




                                                                                                                                                                                           FM/AM
                                                                   FMDET




                                                                                                                                                                                                   MONO
                                                                                                                                                     STRQ
                                                                                                                             AM IF
                                                                                   OUT
                                                                                   MIX
                                                                                   AM




                                                                                                                                      SD




                                                                                                                                                                                                           ST
                                               Vcc                                                                                                               GND
                                                                                                                             IN




                                                                                                                                                                                                                                                           CT.GND      17
                                               9                    8                  2                                        4      6          10            5                          11      12       7
                                                                                                                                                                                                                                                           SH FL1      18
                                                                                                                                                                         +B2                                                                                                       From POWER
                                               +B2                                                                                                                                                                                                                                      TRANSFORMER
                                                                                                    AM                                                                                                                                                     SH FL2      19
                                                                                                    IFT
                                                                                                                                                                                                                                                            SYNC       20
                                                                                                                                                                                                                               SD




                                                                                                                                                                                                                                                                                      SHSYNC
                                    18
                                  AOUT
                     17                                                                                                                                     7.2MHz
                           AIN                                                                                                         XIN       1

                     16    PD                             PHASE DET                          REFERENCE
                                                         CHARGE PUMP                           DIVIDER
                                                                                                                                      XOUT       20

                     11    IFIN                                                                                                       FM IN      14
                                                                 SWALLOW COUNTER                                1/2
                                                                    1/6,1/17 4BIT
                                                                                                                                                                                                                                                                                                      96             95                 97             94             21                      6                                               93
                                                                                                                                      AM IN      13




                                                                                                                                                                                                                                                                                                                           SH DO

                                                                                                                                                                                                                                                                                                                                             SH CK

                                                                                                                                                                                                                                                                                                                                                            SH CS
                                                                                                                                                                                                                                                                                                           SH DI




                                                                                                                                                                                                                                                                                                                                                                                              ST/AV.
                                                                                                                                                                                                                                                                                                                                                                                                6CH
                                                                                                                                                                                                                                                                                                                                                                           SH REQ




                                                                                                                                                                                                                                                                                                                                                                                                                                                   MUTE3
                                                                               12 BIT
   PLL FREQUENCY                                                           PROGRAMMABLE
    SYNTHESIZER                                                               DIVIDER
       (LC72131M)                                                                                                                                                                                                                                                                                                                                                                  C2BBFD000317
                                                                                                                                           CE    2                                                                             CE1                                                                                                                                                     IC901
                                                                                                                                            DI   3                                                                        DATA1                                                                                                                                              SYSTEM CONTROL / FL DRIVE




                                                                                                                                                                                                                                                                                                                           LC72 DI/ST
                                   UNIVERSAL
                                                                                                                                                 4




                                                                                                                                                                                                                                                                                                                                                           LC72 DO
                                                                                                                                                                                                                                                                                                           LC72 CE




                                                                                                                                                                                                                                                                                                                                                                                                                                    MIC DET
                                    COUNTER




                                                                                                                                                                                                                                                                                                                                             LC72 CK
                                                                             DATA SHIFT                                                    CL                                                                              CLK1




                                                                                                                                                                                                                                                                                                                                                                                                                TUNER
                                                                           REGISTER LATCH                                                  D0    5                                                                       DATA IN




                                                                                                                                                                                                                                                                                                                                                                                                                SEL/
                                         Power




                                                                                                                                                                                                                                                                                                                                                                           SD
          +B(FM)     19    Vss
                                          ON                                                                                                     6
                                                                                                                                       BO1
                                         RESET
                                                                                                                                                                                                                                                                                                       3              4                 5              2             100                                       10               25
                                                                                                  BO4
                                                                                       BO3
                                                                                 BO2
                                                                     IO2
                                                             IO1
                                         VDD




          Power
 +B1      supply




                                                                                                                                                                                                                                                                                                                      DATA IN
          (FM:ON)                        15




                                                                                                                                                                                                                                                                                                                                                        DATA1
                                                            10      12             7   8          9




                                                                                                                                                                                                                                                                                                                                         CLK1
                                                                                                                                                                                                                                                                                                       CE1




                                                                                                                                                                                                                                                                                                                                                                       SD
                                          +B2
                                                                                                                                                                                                                                                                                                                                                                                                                                 +B8




                                                                                                                                                                                                                                                                                                                                                                                                                    SA-DV280(EB,EG) BLOCK DIAGRAM
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             PHONES
                                                                                                                                                                                                                                                                                                                                                                                                                                 R ch
                                                                                                                                                                                                                                                                                 RSN311W64B
                                                                                                                                                                                                                                                                19                  IC601
                                                                                                                                                                                  Q609                                                                                           POWER AMP
                                                                                                                                                                                 (Q610)                                                                        (18)


                                                                                                                                                                                    MUTING                                                                                                                                        20
                                                                                                                                       Q606
                                                                                                                                                                                                                                                                                                                                  3
                                                                                                                                                                                                                                                                                                                                                      +B7
                                                                                                                                          MUTING
                                                                                                                                                                                                                                                                                                                                        D601                                                                                                                   D974
                                                                                                                                                                                                                                                                        POWER CONTROL                                             6
                                                                                                                                                                                                                                                                           CIRCUIT                                                                    +B3

                                                                                                                                                                                                                                                                                                                                  15
                                                                                                                                                                                                                                                         26
                                                                                                                                                                                                                                                        (25)                                                                       1
                                                                                                                                                                                                                                                                                                                                  (2)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SURROUND
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (8  )

                                      +B2                                       C1BB00000527
                                                                                   IC151                                                                                                                                                                 23
                                                                          RDS SIGNAL DEMODULATOR                                                                                                                                                                                                                                  5
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           CENTER
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (8  )

                            3,11                         1                              5                6
                                                                                                                                                                                                                                                                                                                                   11                                                                                                                                                              SPEAKERS
                                                   VREF                       FLOUT                    CIN                                                                                                              Q612                                                                                                      (12)
              VDDA/D
                                                                                                                                                     CLOCK                                                       +B5         MUTING
                                                                                                                                     PLL                                                                                      CONT.                                                                                                                                                                                                                                                         HF
                                                                                                                                                   RECOVERY
                           REFERENCE                                                                                               (57kHz)
                                                                                                                                                   (1187.5kHz)                                                                                                                                                                                                                                                                                                                             (6  )
                            VOLTAGE
       4,10   VssA/D                                                                                                                                                                                                                                     22
                                                                                                                                                                                                                                                                                                                                  8
                                                                                                         VREF
                                                                                                                                                                        CLK    15
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             LF
         2                                                   57kHz                                                                                   DATA                                                                                                                                                                                                                                                                                                                                   (8  )
              MPX IN          ANTIALIASING                                     SMOOTHING                                                                                DATA   14                                                                        24                                                                                                                                                                           Q503,D558
                                                              BPF                                                                                  DECODER
                                 FILTER                      (SCF)               FILTER
                                                                                                                                                                                                                                                                                                                                  9                                                                                                   SWITCH-
                                                                                                                                                                                                                                                                             POWER CONTROL/                                                                                                                                             ING
                                                                                                                                                                                                                                                                            PROTECTION CIRCUIT                                    14                                            -B3     +B4
                                                                                                 CLK(4.332MHz)
         7    TEST                                                                                                                                   RDS-ID             IDR    16
                                            TEST                                                                                                    DETECT/                                                                                                                                                                                                        Q551,554,   SIGNAL
                                                                                                                                                      RAM                                                                                                                                                                                                            555     LEVEL DET.
                                                                                                      OSC/DIVIDER




                                                                                                                                                                                                                                                                                                                                         N
                                                                                                                                                                                                                                                                                            GND                                                                                                                                                                D907
                                                                                                                                                                                                                                                                                                                                                        Q601,602
                                                                                                                                       MODE
                                                                                                                                                                                                                                                                 13     21        4     10        16           7
                                                                                            XIN              XOUT                                   RST
                                                                                                                                                                                                                                                                                                                   D602                         PRO-                             MOTOR
                                                                                               9                      8              12             13                                                                                                                                                                                         TECTOR                            DRIVE                                       D906
                                                                                                                                                                                                                                                                                                                              -B1
                                                                                                                                                                                                                                                                                                                                                                     Q553,556,
                                                                                                                                                                                                                                                                                                  -B2                                                                  557
                                                                                                          X151
                                                                                                       (4.33MHz)
                                                                                                                                                                                                                                                                                                                                                                                     M




                                                                                                                                                                                                                                                                                                                                                                                                                                                 POWER
                                                                                                                                                                                                                                                                                                                                                                                                                     AC IN
                                                                                                                                                                                                                                                                                                                                                                                FAN MOTOR
DET




                                                                                                                                                                                                                                                                                                                                                                                                          POWER
                                                                                                                                                                                                                                                                                                  SASYNC
                                                                           X901                            X902                                 Z901
                                                                          (6MHz)                         (32.7kHz)                            (REMOTE                      +B8
        VR901
      (VOLUME)                                                                                                                                SENSOR)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   -VP



               24          23                                  16            17                        13             14                                  29                      28              27                           91                                                                 11                                           98                                                     88                             86                           26              51
                                                                     XC IN




                                                                                                         X IN




                                                                                                                                                                                                                                                                                                                                                                                                                                          MUTE
                                  VR JOGB




                                                                                                                                                                                       RDS DATA




                                                                                                                                                                                                                                    MUTE2
                 VR JOGA




                                                                                                                                                                                                       RDS CLK




                                                                                                                                                                                                                                                                                                                                                                                                                                                                        HP SW


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    -VP
                                                                                                                                                           REMO-




                                                                                                                                                                                                                                                                                                       AC IN




                                                                                                                                                                                                                                                                                                                                                    E DET




                                                                                                                                                                                                                                                                                                                                                                                                             POWER
                                                                               XC OUT




                                                                                                                           X OUT




                                                                                                                                                           CON




                                                                                                                                                                                                                                           C2BBFD000317
                                                                                                                                                                                                                                               IC901
                                                                                                                                                                                                                                     SYSTEM CONTROL / FL DRIVE
                                                                                                                                                                                                                         STAND-BY




                                                                                                                                                                                                                                                                                  KARAOKE
                                                                                                                                                                                           S.W LED
                                                                                             REGIN0



                                                                                                                  REGIN1




                                                                                                                                                                                                                                                                        KEY TU




                                                                                                                                                                                                                                                                                                                                                                                                                             CHECK
                                                                                                                                                                                                                                                                                                                          RESET
                                                                  P1~38




                                                                                                                                                               TIMER
                           1~8G




                                                                                                                                                                                                                                            



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