Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-DV280 Viewing SGML_VIEW_DATA EU SA-DV280EG SVC msc_01

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    SCHEMATIC DIAGRAM-1                                                           NOTE:
                                                                                  The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
     A OPERATION CIRCUIT                                                          indicates the schematic diagram serial number located on the left corner in the schematic diagram.                                                                                                                       : POSITIVE VOLTAGE LINE                                           : NEGATIVE VOLTAGE LINE                        :AUDIO SIGNAL LINE

                                                                                                                                                                                                                                                                                                                                                 A
                                                                                                                                                                                                                                                                                                                                                 B
                                                                                                                                                                                                                                                                                                                         -30.1V                  C
                                 FL901 (A2BB00000084)

       R997
H
        150                                                                                                                                                            FL DISPLAY


                                      1 2                   5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50                                                                53 54                                                                         A B C D E F G H I                           J K L M N O P Q R S T                                   U V W X
                  R996
                   150
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              5.1V




                                                                                                                                                                                                                                                  25V22 25V22
                                                            Z Y X W V U T S R Q P O N M L K J                                                              I H G F E D C B A A B C D F G H I                            J K L M N O P Q R S T U




                                                                                                                                                                                                                                                  C927 C919
      MA4030MTA




                                  25V22 25V22
                                  C928 C920




                                                                                                                                                                                                                                                                                                                                         -23.4V
                                                                                                                                                                                                                                                                                                                                         -20.5V
                                                                                                                                                                                                                                                                                                                                         -26.3V
                                                                                                                                                                                                                                                                                                                                         -26.3V

                                                                                                                                                                                                                                                                                                                                         -23.4V
                                                                                                                                                                                                                                                                                                                                         -20.5V
                                                                                                                                                                                                                                                                                                                                         -26.2V

                                                                                                                                                                                                                                                                                                                                         -26.2V
                                                                                                                                                                                                                                                                                                                                         -26.2V
                                                                                                                                                                                                                                                                                                                                         -26.1V
                                                                                                                                                                                                                                                                                                                                         -26.3V
                                                                                                                                                                                                                                                                                                                                         -23.5V
                                                                                                                                                                                                                                                                                                                                         -23.5V
                                                                                                                                                                                                                                                                                                                                         -23.5V
                                                                                                                                                                                                                                                                                                                                         -25.5V
                                                                                                                                                                                                                                                                                                                                         -27.5V
                                                                                                                                                                                                                                                                                                                                         -27.5V
                                                                                                                                                                                                                                                                                                                                         -25.6V
                                                                                                                                                                                                                                                                                                                                         -29.2V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             Q901




                                                                                                                                                                                                                                                                                                                                         5.1V
        D973




                                                                                                                                                                                                                                                                                                                                                                                                                                                                         R949
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         4.7K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             UN4212TA




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      50V2.2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C914
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             RESET
                                                                                                                                                                                                                                                                                                                                            50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31




                                                                                                                                                                                                                                                                                                                                               P1
                                                                                                                                                                                                                                                                                                                                              P12
                                                                                                                                                                                                                                                                                                                                              P11
                                                                                                                                                                                                                                                                                                                                              P10



                                                                                                                                                                                                                                                                                                                                               P8
                                                                                                                                                                                                                                                                                                                                               P7
                                                                                                                                                                                                                                                                                                                                               P6
                                                                                                                                                                                                                                                                                                                                               P5
                                                                                                                                                                                                                                                                                                                                               P4
                                                                                                                                                                                                                                                                                                                                               P3
                                                                                                                                                                                                                                                                                                                                               P2

                                                                                                                                                                                                                                                                                                                                               1G
                                                                                                                                                                                                                                                                                                                                               2G
                                                                                                                                                                                                                                                                                                                                               3G
                                                                                                                                                                                                                                                                                                                                               4G
                                                                                                                                                                                                                                                                                                                                               5G
                                                                                                                                                                                                                                                                                                                                               6G
                                                                                                                                                                                                                                                                                                                                               7G
                                                                                                                                                                                                                                                                                                                                               P9
                                                                                                                                                                                                                                                                                                                                             VDD3
       1000P




                         35V33




                                                                                                                                                                                                                                                                                                                                                                                                                                                                         R950
G
       C921




                         C922




                                                                                                                                                                                                                                                                                                                                                                                                                                                                          100
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               0V
                                                                                                                                                                                                                                                                                                                     -30.1V                                                                                                            -25.6V




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     MA165TA
                                                                                                                                                                                                                                                                                                                              51   -VP                                                          FM / AM                 8G 30
                                                                                                                                                                                                                                                                                                                     -29.3V                                                                               4V                            5.1V                                                5V




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      D904
                                                                                                                                                                                                                                                                        A                                                     52   P13                                                                    0V REMOCON 29                                                                A
                                                                                                                                                                                                                                                                                                                     -29.3V                                                                                                             2.6V
                                                                                                                                                                                                                                                                        B                                                     53   P14                                                                   -30V RDS DATA 28                                                              B
                                                                                                                                                                                                                                                                                                                     -29.3V                                                                T    5.5ms.                                  2.6V
                                                                                                                                                                                                                                                                        C                                                     54   P15                                     IC901                                 RDS CLK 27                                                            C
                                                                                                                                                                                                                                                                                                                     -26.3V                                                                      FM / AM                                0.6V
                                                                                                                                                                                                                                                                        D                                                     55   P16                                     C2BBFD000317                            HP SW 26
                                                                                                                                                                                                                                                                                                                     -20.5V                                                                                                             5.1V
                                                                                                                                                                                                                                                                        E                                                     56   P17                                     SYSTEM CONTROL/                  4.2V MIC DET 25
                                                                                                                                                                                                                                                                                                                    -29.3V                                                 FL DRIVE                         P-P VR JOGA 24              0V
                                                                                                                                                                                                                                                                        F                                                     57   P18                                                                                                                                                 D
                                                                                                                                                                                                                                                                                                                    -29.3V                                    FM / AM              FM / AM                                              0V
                                                                                                                                                                                                                                                                        G                                                     58   P19                                        4V                 F=6MHz          VR JOGB 23                                                            E
                                                                                                                                                                                                                                                                                                                    -29.3V
                                                                                                                                                                                                                                                                        H                                                     59   P20                                        0V             3.3V                NC(GND) 22                                                                                                              U
                                                                                                                                                                                                                                                                                                                    -23.5V                                                                   P-P                                       1.4V
                                                                                                                                                                                                                                                                         I                                                    60   P21                                       -30V                                 SH REQ 21                                                                                                              J
                                                                                                                                                                                                                                                                                                                    -20.5V                                   T 5.5ms.                                                                  5.1V
F                                                                                                                                                                                                                                                                       J                                                     61   P22                                             F=6MHz                   KEY KARAOKE 20
                                                                                                                                                                                                                                                                                                                    -23.4V                                                                                                             5.1V
                                                                                                                                                                                                                                                                        K                                                     62   P23                                            FM / AM                         KEY TU 19
                                                                                                                                                                                                                                                                                                                    -23.4V                                                                                                             5.1V
                                                                                                                                                                                                                                                                        L                                                     63   P24                                                                               VDD1 18
                                                                                                                                                                                                                                                                                                                    -23.7V                                                                  5.2V                                       2.3V                       R953           100




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         1000P
                                                                                                                                                                                                                                                                        M                                                     64   P25                                                                            XC OUT 17




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C925
                                                                                                                                                                                                                                                                                                                    -20.7V                                                                  P-P                                        2.3V
                                                                                                                                                                                                                                                                        N                                                     65   P26                                                                               XC IN 16
                                                                                                                                                                                                                                                                                                                    -29.6V                                                       F=32.7kHz FM / AM
                                                                                                                                                                                                                                                                        O                                                     66   P27                                                                                 Vss 15
                                                                                                                                                                                                                                                                                                                    -29.6V                                                                                                             2.7V
                                                                                                                                                                                                                                                                        P                                                     67   P28                             FM / AM                                          X OUT 14
                                                                                                                                                                                                                                                                                                                    -29.6V                                                                            5.2V                             1.6V
                                                                                                                                                                                                                                                                        Q                                                     68   P29                                                                P-P             X IN 13
                                                                                      R907                 R906            R905                 R904               R903       R902                  R901                    R925                                                                                    -23.7V                                                   2V                                                        5V                                                              R956            R957
                                                                                      3.3K                 2.2K            1.8K                 1.5K               1.2K        1K                    820                     1K                                         R                                                     69   P30                                       P-P                                   RESET 12                                                                             1K              1K
                                                                                                                                                                                                                                                                                                                    -26.6V                                                                F=32.7kHz                                    2.2V
                                                                                                                                                                                                                                                  X                     S                                                     70   P31                                                                               AC IN 11                                                                                                            H
                                                                                                                                                                                                                                                                                                                    -26.5V                                      F=32.7kHz                                                              0V
                                                           (INPUT SELECTOR)




                                                                                                                           (FM AUTO/MONO)




                                                                                                                                                        REC)




                                                                                                                                                                                                                               C908




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C915
                                                                                                                                                                                                                               470P
                                                                                                                                                                                                                                                                        T                                                     71   P32                                                                        SEL/ TUNER 10




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         0.01
                                                                                                           (TUNING MODE)




                                                                                                                                                                              (CLOCK/ TIMER)
                                                                                                                                                                                                                                                                                                                       5.1V




                                                                                                                                                                                                                                                                                                                                                                                                                                           R976
                                                                                                                                                                                                                                                                                                                                                                                                                                           100K
                                                                                                                                                                                                                                                                                                                              72   VDD4                                               5V                       SEL TUNER 9




                                                                                                                                                                                                                 R922
                                                                                                                                                                                                                                                                                                                    -29.5V
                                                                                                                                                                   (-DEMO)




                                                                                                                                                                                                                 10K
                                                                                                                                                                                                     ( / )
                                                                                                                                                                                                                                                                        U                                                          P33
                                                                                      (SET)




E                                                                                                                                                                                                                                                                                                                             73                                                                                            8
                                                                                      S907




                                                                                                                S906




                                                                                                                                 S905




                                                                                                                                                                                                      S901
                                                                                                                                                                                  S902
                                                                                                                                                                     S903
                                                                                                                                                   S904




                                                                                                                                                                                                                                                                                                                                                                                                           5V
                                                                  S908




                                                                                                                                                                                                                                                                                                                    -29.5V                                                                                                                                                                                    R940
                                                                                                                                                PLAY/




                                                                                                                                                                                                                                                                        V                                                     74   P34                                              0V                                      7                                                                                  1K
                                                                                                                                                                                                                                                                                                                    -26.5V                                                                                                             5.1V
                                                                                                                                                                                                                                                                        W                                                     75   P35                            2V/2ms.DIV.                               0V ST/ AV.6CH 6                                                                                                              G
                                                                                                                                                                                                                                                                                                                    -17.2V                                                                 2V/2ms.DIV.                                 5.1V                                                            R929          1K
                                                                                                                                                                                                                                                  E                     X                                                     76   P36                                                                           LC72 CK 5                                                                                                               A
                                                                                                                                                                                                                                                                                                                      -5.3V                                                     5V                                                     4.6V                                                            R930          1K
                                                                                                                                                      (




                                                                                                                                                                                                                                                                        Y                                                     77   P37                                                                         LC72 DI/ ST 4                                                                                                             B
                                                                                                                                                                                                                                                                                                                    -10.3V                                                                                                             0V                                                              R932          1K
                                                                                                                                                                                                                                                                        Z                                                     78   P38                                                                           LC72 CE 3                                                                                                               D




                                                                                                                                                                                                                 R921




                                                                                                                                                                                                                                      R944
                                                                                                                                                                                                                 10K




                                                                                                                                                                                                                                                                                       MA165TA
                                                                                                                                                                                                                                                                                                                       0.4V                                                                                                            0V                                                              R931          1K




                                                                                                                                                                                                                                      2.2K
                                                                                                                                                                                                                                                                                                                                   REGIN0                                      0V                                LC72 DO 2                                                                                                               C
                                                                                                                                                                                                                                                                                                                              79                                    T 10ms.
                                                                                                                                                                                                                                                                                                                         0V                                                                                                            2.5V
                                                                                                                                                                                                                                                                                                                                   REGIN1                                                                          CHECK 1




                                                                                                                                                                                                                                                                                                                                             STAND-BY
                                                                                                                                                                                                                                                                                                                              80




                                                                                                                                                                                                                                                                                                                                             CR TIMER




                                                                                                                                                                                                                                                                                                                                                                                                                                                       1SS291TA
                                                                                                                                                                                                                                                                                                                                             CHORUS
                                                                                                                                                                                                                                                                                                                                             LOUNGE
                                                       R912                           R911                 R910            R909                 R916               R915       R914                  R913                    R924




                                                                                                                                                                                                                                                                                                                                             S.W.LED




                                                                                                                                                                                                                                                                                                                                             POWER
                                                                                                                                                                                                                                                                             MA165TA
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X901




                                                                                                                                                                                                                                                                                                                                             MUTE2

                                                                                                                                                                                                                                                                                                                                             MUTE3
                                                       4.7K                           3.3K                 2.2K            1.8K                 1.5K               1.2K        1K                    820                     1K




                                                                                                                                                                                                                                                                                                                                             TIMER




                                                                                                                                                                                                                                                                                                                                             E DET
                                                                                                                                                                                                                                                                                                                                             SHDO
                                                                                                                                                                                                                                                                                                                                             MUTE




                                                                                                                                                                                                                                                                                                                                             SHCS



      



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