Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-DV280 Viewing SGML_VIEW_DATA EU SA-DV280EG SVC msc_02

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SCHEMATIC DIAGRAM-2                                                   : NEGATIVE VOLTAGE LINE                                 : FM SIGNAL LINE
 A OPERATION CIRCUIT                                                  : POSITIVE VOLTAGE LINE                                 : AM SIGNAL LINE             :AUDIO SIGNAL LINE                                                                                                          B MAIN CIRCUIT
                                                                                                                                                                                                                                                                                                                                                                                                                                 7.6V
                                                                                                                                                                                                                                                                                                                                        H                                                                                       -10.4V
                                                                                                                                                                                                                                                                                           W501                                         G
                                                                                                                                                                                                                                                                      TUNER Lch/C      1                                                A
                                                                                                                                                                                                                                                                       TUNER Rch       2                                                B
                                                                                                                                                                                                                                                                                                         R511           R509                                         R597                                              C659                               R631
                                                                                                                                                                                                                                                                           A.GND       3                  47             47                                          2.2K                                              16V10                              3.9K
                                                                                                                                                                                                                                                                           Lch IN      4                                                                                                                                                                                                        A
                                                                                                                                                                                                                                                                                                  R512          47 R510        47
                                                                                                                                                                                                                                                                           Rch IN      5                                                                                                                                                                                                        B
                                                                                                                                                                                                                                                                          +B(10V)      6                                                A                            R598                                       C660                                      R632




                                                                                                                                                                                                                                                                                                                                                                                               R564
                                                                                                                                                                                                                                                                                                                10.4V




                                                                                                                                                                                                                                                                                                                                                                              R563




                                                                                                                                                                                                                                                                                                                                                                                                                                              R614
                                                                                                                                                                                                                                                                                                                                                                                               2.7K




                                                                                                                                                                                                                                                                                                                                                                                                                            R615
                                                                                                                                                                                                                                                                                                                                                                              2.7K




                                                                                                                                                                                                                                                                                                                                                                                                                                              4.7K
                                                                                                                                                                                                                                                                                                                                                                                                                            4.7K
                                                                                                                                                                                                                                                                                                                                                                     2.2K                                       16V10                                     3.9K
                                                                                                                                                                                                                                                                           SUR L       7                                                B
                                                                                                                                                                        R941                                                                                                                                                                                                                                                                                                                                         C202
     5.1V                                                                                                                                                                                                                                                                  SUR R       8                                                C                                                                                                                                                                             0.1
                                                                                                                                                                         1K




                                                                                   6.3V100
                           VR901                                                                                                                                                                                                                         To                   S.W                                                       D




                                                                                                                                                                                                                                                                                                                                                                                                                                                       R203




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R204
                                                                                                                                                                                                                                                                                       9




                                                                                                                                                                                                                                                                                                                                                                                                                                                       100K




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        100K
                                                                     C917



                                                                                    C918
                                                                     0.01
                       EVQVBXFK124B
                         (VOLUME)                                                                                        Z901                                                                                                                            SOUND                MIC     10
                                                                                                                         B3RAD0000028                      Q902                                                                                          PROCESSOR       -B(-10V)
                                                                                                                        (REMOTE SENSOR)                                                                                                                                               11                                                                                                                                                                          0V                               0V               -10.4V
                                                                                                                                                           UN411FTA                                                                                      (SH-DV280)        V.GND      12                                                                                                                    1               2                 3               4                5               6                7            8




                                               R962



                                                          R961
                                               22K



                                                          22K
                                                                                                                                                           MUTING CONT. R974                                                                                               D.GND      13
                                                                                                                        3                                                                                                                                                                                                                                                                                       Y1              Y0                Z1                               Z0      INH              Vss               G
                                                                                                                                                           3.3V     3.3V 1K                                                                                              CS/ REQ      14
                           COM B A                                                                                                                                                                                                                                            CLK     15
                                                                                                                        2                                                                                                                                                    DATA     16




                                                                                                                                                                            16V10
                                                                                                                                                                                         N
                             1 2 3




                                                                                                                                                                            C931
                                                                                                                                                    R942
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          IC201




                                                                                                                                                    2.2K
                                                                                                 R946                                                                                                                                                                     CT GND      17                                                B
                                                                                                  1K                                                                                                                            A B C                                      SH FL1                                                       E
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BU4053BCFE2




                                                                                                                                                                                                            7.6V
                                                                                                                        1                                         0V                                                                                                                  18                                                                                                                                                                                                  SIGNAL SELECTOR




                                                                                   1000P
                                                                                                                                                                                                                                                                           SH FL2     19                                                F




                                                                                   C909
                                                                                                                                                                                                                                                                            SYNC      20                                                G
                                               R945



                                                          R943
                                                100



                                                           100
                                                                                                                                                                                                                                                                                                                                                                                                        VDD                                                 X1                     X0          A                B            C
                                                      D          E          A                                                                                                                                                                                                                                                                                                                           16              15                 14             13                12                 11           10               9

                                                                                                                                                                                                                                            W902B                                          W902A                                                                                                                5.7V            0V                0V              0V               0V              0V




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       16V10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C601
                                                                                                                                                                                                                                                 15                                   15




                                                                                                                                                                                                                                                                                                                                                                                                                     R205
                                                                                                                                                                                                                                                                                                                                                                                                                     100K
                                                                                                                                                                                                                                                                                                                                                                   R211
                                                                                                                                                                                                                                                 14                                   14                                                                           270
                                                                                                                                                           M                                                                                     13                                   13




                                                                                                                                                                                                                                                                                                                                                                           MA4056MTA




                                                                                                                                                                                                                                                                                                                                                                                                                                                  R202
                                                                                                                                                                                                                                                                                                                                                                                                                                                  100K




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   R617
                                                                                                                                                           A                                                                                                                                                                            C




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   4.7K
                                                                                                                                                                                                                                                 12                                   12




                                                                                                                                                                                                                                                                                                                                                                                                   C201
                                                                                                                                                                                                                                                                                                                                                                             D201




                                                                                                                                                                                                                                                                                                                                                                                                    0.1
                                                                                                                                                           B                                                                                      11                                  11                                                D
                                                                                                                                                           C                                                                                      10                                  10                                                E                                                                                            H
                                                                                                                                                           D                                                                                       9                                   9                                                F                                                                                            G
                                                                                                                                                           E                                                                                       8                                   8                                                G                                                                                            F
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R603
                                                                                                                                                           F                                                                                       7                                   7                                                E                                                                                                                                                                               3.3K
                                                                                                                                                           G                                                                                       6                                   6                                                F                                                                                                                                                                  C656                                    R688
                                                                                                                                                           H                                                                                       5                                   5                                                J                                                                                                                                                                  16V10                                   1.5K
                                                                                                                                                            I                                                                                      4                                   4                                                                                                                                             C
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C655                                      R687
                                                                                                                                                           J                                                                                       3                                   3                                                                                                                                                                                                       16V10                                     1.5K
                                    IC151                                                                                                                  K                                                                                       2                                   2                                                                                                                                             B
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   C602
                                    C1BB00000527                                                                                                           L                                                                                       1                                   1                                                K                                                                                                                                          16V10
                                    RDS SIGNAL                                                                                                                      D906                                                                                                                                                                                                                                                             D
                                    DEMODULATOR                                                                                                                    MA165TA




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          R605



                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          R606
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          4.7K



                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          4.7K
                                                                                                                                                                                                                                   -30.1V
                                                                                                     C            B                                                                                                                                                                                                                                                                                                                                                                                       R695
                 C151                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      470
                 16V10      2.5V                                                                                                                                                                                                                                                                                                                                                                                                     A
                                    1 VREF                       IDR 16




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         MA4051MTA
                                                                                                                                                                    D907
                                                                                             R151



                                                                                                          R152




                                                                                                                                                                   MA165TA                                                                                                                                                                                                                                                           E
                                                                                              1K




                                                                                                                                                                                                                                                                                           W901A
                                                                                                           1K




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            D611
                                                                                                                                                                                                                                            W901B                                                                                                                                                                                                                                  0V
                                                                                                                                                           U                                                                                        15                                15                                                                                                                         Q605,606
                             2.5V                                                                                                                                                                                                                                                                                                                                                                                                                             0.7V
                                                                            2.6V                                                                           N                                                                                                                                                                            L
                                    2 HPX IN                RDCL 15                                                                                                                                                                                 14                                14                                                                                                                         2SD2144STA
                                                                                                                                                           O                                                                                        13                                13                                                M                                                                        MUTING
                                                                                                                                                                                                                                                    12                                12
                                                                                                                                                                                                                                                                                                                                                    Q707                                                                                                      Q605
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  5.1V
                            5.1V                                            2.6V                                                                           Q           6V                                                                           11                                11            6V                                  I
                                                                                                                                                                                                                                                                                                                                                    2SB1417PQTA                                                                                                                                 0V
                                    3 VDDA                  RDDA 14




                                                                                                                                                                                                                                                                                                                                                                                                                                          R683
                                                                                                                                                                                                     R966          R965                                                                                                                         REGULATOR                                                                                                                   -10V                                        4.9V




                                                                                                                                                                                    MA4075MTA R975




                                                                                                                                                                                                                                                                                                                                                                                                                                           1K
                  6.3V47




                                                                                                                                                                                              22K
                   C158




                                                                                                                                                                                                     3.9K          3.9K                             10                                10                                                        -30.1V -37.3V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Q612




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     R696
                                                                                                                                                                                                                                                     9                                 9




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     47K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  -10.2V




                                                                                                                                                                                                                                                                                                                                                                                                                                                         R684
                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Q606




                                                                                                                                                                                                                                                                                                                                                                                                                                                          1K
                                                                            0V                                                                                                                                                                                                                                                                                                                                                                                                                                        UN411FTA




                                                                                                                                                                                                                                                                                                                                            0.047
                                                                                                                                                                                                                                                                                                                                            C708




                                                                                                                                                                                                                                                                                                                                                                                                   50V100
                                                                                                                                                                                                                                                     8                                 8




                                                                                                                                                                                                                                                                                                                                                                                R708
                                    4 VssA                       RST 13




                                                                                                                                                                                                                                                                                                                                                                                4.7K
                                                                                                                                                                                                                                                                                                                                                                   0.047
                                                                                                                                                                                                                                                                                                                                                                   C707




                                                                                                                                                                                                                                                                                                                                                                                                    C737
                                                                                                                                                                                                                                                     7                                 7                                                                                                                                                                                                                              MUTING CONT.
                                                                                             R153



                                                                                                          R154
                                                                                             100K



                                                                                                          100K




                                                                                                                                                                                      D961
                                                                                                                                                                                                                                                                                                                                                    -30.7V
                                                                             R157
                                                                              1K




                                                                                                                                                                                                                                                     6                                 6
                            2.5V                                                                                                                                                                                                                     5                                 5                                                A
                                    5 FL OUT                MODE 12




                                                                                                                                                                                                                                                                                                                                                                              MA4300MTA
                                                                                                                                                                                                                                                     4                                 4                                                                                                                                                                           Q609,610
                  C154
                  560P




                                                                                                                                                                                                                                                                                                                                                      35V10
                                                                                                                                                                                                                                                                                                                                                      C706




                                                                                                                                                                                                                                                                                                                                                                                D721
                                                                                                                                                           S                                                                                         3                                 3                                                B                                                                                                                          2SD2144STA
                            2.5V                                            5.1V                                                                                                                                                                                                                                                                                                                                                          A                        MUTING
                                    6 C IN                   VDDB 11                                                                                                                                                                                 2                                 2
                                                                                                                                                                                                                                                     1                                 1                                                                                                                                                                                    Q609                        R693
                                                                                                                              6.3V47




                                                                                                                                                           T                                                                                                                                                                            C
                                                                                             1000P



                                                                                                          1000P



                                                                                                                      1000P




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       0V
                                                                                                                               C159
                                                                                             C155



                                                                                                          C153



                                                                                                                      C160




                                                                                                                                                                                                                                                                                                                                                                                                                                          B                                               -10V           1K




                                                                                                                                                                                                                       



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