Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch3_4

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              SCHEMATIC DIAGRAM - 3


                                                                                                                    : +B SIGNAL LINE                                                      : AM SIGNAL LINE
                   MAIN (TUNER) CIRCUIT                                                                             : FM OSC SIGNAL LINE                                                  : FM SIGNAL LINE                                                              : AM OSC SIGNAL LINE


                          Z120          ENV17290G1Y
                                                                      22                                                                                                                                                                                                                    C103
                                                                                                                                                                                                                                                                                            0.01                   R107
                                                        2SK238                                                                                        2SC2620                                                                                                       CF201                                           330
                              22P 15P                  8P                                                                                                                              10K                                                                       J0B1075A0086                          R106
                                                                                            HVM27             HVM27                                                                                   IFT                                                                                              470K
                          1
FM EXT ANT                                                                                                                                                                                                                              7                         1             3
                                                1P                                                                                                                                                                                                                                           C104
                                                                                                                                               1uH
                               0.47uH




                                                                                                                                                                                                                                                                                             1000P
                          2                                 100K                   7P                                   4P     22P      1P
UNBALANCED                                                                                                                                                                                                                                                                                  R105




                                                                                                                                               220P
  75 OHM                                                                                                                                                                                                                                                                  2




                                                                                                    33K


                                                                                                              33K
                                                                                                                                                                1.5M                                                                                                                         470
                                                 33K
                                          18P




                                                       8P                                                                                                                                                                                                                                                              Q101
                          3
                                                                                                                                                                          100uF
                                                                                            0.022                                                                          16V                                      0.022

                          4                      0.022                                                                                                                                                                                  6                                                    R103




                                                                                                                                                                                                                                                                        16V10
                                                                                                                                                                               0.022




                                                                                                                                                                                                                                                                        C102
                                                                                                 100                  330                                                                                             150                                  C101                              100
                                                                                                                                                                220
                                                                                                                                                                                                                                                           0.01
                                                                                                                                               10K




                                                                                                                                                                                         470K
                                                                                                                      2SK360                                                                                                                                                                  Q101




                                                                                                                                                                                                       330
                          5
                                                                                                                               8P                                                                                   15P                                                         2SC2058SPTA
                                                                    2.7K                            8P                                                                                                                                  8                                                  SWITCHING
                                                                             HVM27                                                  2SC2996                               2P
      JK101




                                                                                                                                                                1.2K
                                                                                                                                               10K
                                                                                            3P                100K                                                       18P                          2SC2996
                                                                    47P




                       L101
               3   RLQBR39KT-1Y
                                                                                                                                                         C136                                                                                                                                                  C114
                                                                         Z101                                                                            1000P                                                                                                                                                50V3.3
 AM LOOP
   ANT                 L102                                           RLA2Z007-T
                   RLQBR39KT-1Y                                                         3
               4
                                                                    AM ANT COIL
                                                                                                          3                                                                                                                                                                                   R118               R119
                                                                2     3        4                                        4                                                                                                                                                                     3.3K               12K
  AM EXT
   ANT                                                                2        5                          2
                                                                                                                         5

                                                                1     1        6                          1              6
                                                                                                           AM OSC COIL
                                                                                   9 8                    7



                                                         R110
                                                          1K                                                                                                                                                                                                                                  C127       C126
                                                                                                                                                                                                                                                                                              16V22       10

                                                                           C107                  R112      C108
                                                                           0.047                 100K       8P




                                                                                                                                                                                                                                                                                               R117
                                                                                                                                                                                                                                                                                               68K
                                                                                                                                                                                            D101
                                                                                                                                                                                        UDZSTE175R1B
                                                                                                                                                                                                                                              R111
                                                                                                                                                                                                                                              390


                                                                                                                                                                                                                                                                                               R128
                                                                                                                                                                                                                                                      6.3V100




                                                                                                                                                                                                                                                                                                82
                                                                                                                                                                                                                                              1000P
                                                                                                                                                                                                                                      C132
                                                                                                                                                                                                                        D101




                                                                                                                                                                                                                                                       C130




                                                                                                                                                                               C125                   R113
                                                                                                                                                                               16V22                  10K
                                         R114                                                                                                                                                                        C111                                                                                        R129
                                         5.6K                                                                                                                                                                       50V4.7                                                                                       27K

                                                                                                                                                                                                                      R115            R116                                                                       C124
                                                                                                                                                                       C112                                           560              1K                        R151                       C113                 100P
                                                                                                                                                                       0.01                                                                                       82                       1000P
                                                                                                                                              C133
                                                                                                                                              27P
                   C110
                   0.01                                                                                                                                                                                                                                                             13
                                                                                                                                                                              20             19               18               17              16         15          14                       12     11
                                                                                                                                                                                                                                                PD
                                                                                                                                                                                                               AOUT




                                                                                                                                                                                                                                                           VDD


                                                                                                                                                                                                                                                                        FMIN




                                                                                                                                                                                                                                                                                               MONO
                                                                                                                                                                                                VSS




                                                                                                                                                                                                                                AIN




                                                                                                                                                                                                                                                                                    AMIN




                                                                                                                                                                                                                                                                                                       IFIN
                                                                                                                                                                              Xout
                                                                                                                                                 H0H720400005




                                         R152
                                                                                                                                                     X103




                                          0
                                                                                                                                                                                                                                                 IC102
                                                                                                                                                                                                                                                                                               STRQ
                                                                                                                                                                                                                                                                                    SDC
                                                                                                                                                                                                                                                           AM
                                                                                                                                                                                                                                                DO




                                                                                                                                                                                                                                                                                                       FM
                                                                                                                                                                              Xin




                                                                                                                                                                                                                                                                        LW
                                                                                                                                                                                                CE




                                                                                                                                                                                                                                CL
                                                                                                                                                                                                                DI




                                                                                                                                              C134                            1                 2               3               4               5           6           7           8          9      10
                                                                                                                                              27P

                                                                                                                                        R138            3.3K


                                                                                                                                        R130            10K
                                                                                                                                                                                                                                                                                             IC102
                                                                                                                                                                                     R137             R136            R135            R134
                                                                                                                                                                                      1K               1K              1K              470                                     LC72131MDTRM
                                                                                                                                                                                                                                                                                     PLL IC (TUNER)
                                                                                                                                                                                                                            PLLCLK
                                                                                                                                                                                                            PLLDA




                                                                                                                                                                                                                                             DO/ST
                                                                                                                                                                                          CE
                    SCHEMATIC DIAGRAM - 4


                                                                                                                                                                                                                                         : AM SIGNAL LINE                     : AM OSC SIGNAL LINE
                                     MAIN (TUNER) CIRCUIT                                                                                                                           : +B SIGNAL LINE                                     : FM SIGNAL LINE                     : FM/AM SIGNAL LINE
                                               R104
                                               10K


                                                                                                                                                                                 Q110
                                R109
C105              R108
                                 330               CF202                                                                                                      2SC3311ARTA
                                                J0B1075A0077                                                                                                                SWITCH                                                                                                   +7.5V
1000P             470K
                                                     1                  3
                                                                                                                                                                 R139
                                                                                                                                                                 22K
                                                                                                                                                                                                          Q110
                                                              2                                                                                                                                                                                                                    DET_OUT
                                Q102                                                                                                                          R121
                                                                                                                                                              22K

                                                                                                                                                                                                          R140
                                                                                                                                                              C120                                        22K                                 Q106
                                                                                                                                                              16V10

                      Q102
          2SC2058SPTA                                                                                                         R143                            C138
                                                                                                                                                                                                                                                                   Q106
                  SWITCHING                                                                                                   22K                             0.01
                                                                                                                                                                                                                                                            KRA102MTA
                                                                                                                                                                                                                                                            TUNER SUPPLY
                                                                                                                                                                                                                                                               SWITCH
                                                                                                     560P
                                                                                              C119




                                                                                                                 C139                                                                                                       C142
                                                                                                                                              100P




                                                                                                                50V4.7                                                                      C118          C117                         R142
                                                                                  50V4.7




                                                                                                                                                                                                                            50V1
                                                                                   C115




                                                         R120                                                                                                                               0.01          0.01                         6.8K
                                                         47K                                                                                                  R123
                                                                                                 C116
                                                                                                                                                                                 3300P




                                                                                                                                                              68K
                                                                                                                                                                                 C137
                                                                                                                                              C131




                                                                                                 0.033                R102                                                                                                  C141       R141
                                                                                                                      4.7K                                                                                                  50V1       6.8K
          1000P
   C109




                    24            23           22            21             20             19           18                   17                      16              15             14             13




                                                                                                                                                                                                                                                                   6800P


                                                                                                                                                                                                                                                                           6800P
                                                                                                                                                                                                                                                                   C143


                                                                                                                                                                                                                                                                           C144
                                                                                                                                                                                                                                                     R145


                                                                                                                                                                                                                                                            R146
                                                                                            AM OUT




                                                                                                                                                     MPX IN
                     OSC OUT




                                                                                                                                                                                                                                                     100K
                                                                                                            DET OUT




                                                                                                                                                                                                                                                            100K
                                                                                                                                                                     PILOT OUT


                                                                                                                                                                                    Rch
                                  OSC


                                               AFC




                                                                                                                             PILOT IN




                                                                                                                                                                                                   Lch
                                                                            AGC
                                                             AM RF in




                                                                                                                                                                                                                           IC101
                                                                                           IC101                                                                                                                 LA1833NMNTLM
                                  AM MIX out




                                                                                                                                                                                                                         IF & MPX IC
                                                                                                                             FM DET
                                                             AM IF in
                     FM IF in




                                                                                                                                                                                    FM/AM




                                                                                                                                                                                                                           (TUNER)
                                                                                                                                                                     STRQ




                                                                                                                                                                                                   Mono
                                                                            GND
                                               REG




                                                                                                                                                     VCC
                                                                                           SD


                                                                                                            ST




                      1           2            3             4              5               6               7                8                       9               10             11             12




                                                                                                                                        R124
                                                     C106
                                                                                                                                                                                                     50V0.47




                           Z102                                                                                                          33
                                                     0.01                                                                                                                                   C122
                                                                                                                                                                                                                  50V1
                                                                                                                                        RLFDFT22DD




                       RLI2Z021M-T                                                                                                                                                          50V1
                             3
                                                                                                                                           X102




          2                                              4
                                                                                                                                                                                                                  C123
                                                                                                                                                                                                     C121




          1                                                                                                                                                                                 R122                                                                                              RCH
                                                                                                                                                                                            2.7K
                                                                                                                                                                                                                                                                                                        A   (1B)
                                 6              5                                                                                                                                                                                                              R131                           CE
                                                                                                                                                                                                                                                                68                    +7.5V             B
                                                                                                                                                                                                                                                                                              LCH       C
                                                                                                     C148
                                                                                                     0.01




                                                              C129                                                      C147                                  C149                                                                                                                            PLLDA
                                                                                                                        1000P                                                                                                                                                                           D
                                                             6.3V100                                                                                           0.1
                                                                                                                                                                                                                                                                                              DO/ST
                                                                                                                                                                                                                                                                                                        E   TO
                                                                                                                                                                                                                                                                                              PLLCLK
                                                                                                                                                                                                                                                                                                        F   MAIN CIRCUIT
                                                                                                                                                                                                                                                                                              TGND
                                                                                                                                                                                                                                                                                                            (1A) ON
                                                                                                                                                                                                                                                                                                        G   SCHEMATIC
                                                                                                                                                                                                                                                                                              15V
                                                                                                                                                                                                                                                                                                        H
                                                                                                                                                                                                                                                                                                            DIAGRAM - 5
                                                                                                 R126                 R125                                                   R127
                                                                                                  1K                   470                                                    470                                                                                                             DO/ST
                                                                                                                                                                                                                                                                                                        I
                                                                                                                                                                                                                                                                                              SD        J
                                                                                                                                                                                                                                                                                              7.5V
                                                                                                                                                                                                                                                                                                        K
                                                                                                                                                                                                                                                                                              DET_OUT
                                                                                                                                                                                                                                                                                                        L




                                                                                                                                                                             R132                              R133
                                                                                                                                                                             10K                                1K
                                                                                                       DO/ST
                                                                                           SD



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