Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch11_12

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            SCHEMATIC DIAGRAM - 11
                                                                                                                                                                                               : PLAYBACK SIGNAL LINE
                         DECK CIRCUIT                                                                              : +B SIGNAL LINE                                                            : REC SIGNAL LINE
                                                                                                                                                 C1105

                                                                                                                                                  470P

                                                                                                                                                 R1103
                                                                                                         C1102                                    18K                                            C1122
                                                                                                         1000P                                                                                    0.01

                                                                                                                              R1101                                     R1104
                                                                                                                               27            C1104                       10K




                                                                                                                                                                                                                            R1303
                                                                                                                                                                                                                             4.7M
                                                                                                                                             0.027                                            C1303                                                                C1307
                                                                                                                                                                                              0.033                                                                10V220




                                                                                                                                                                       50V2.2
                                                                                                                                16V100




                                                                                                                                                                                C1302 0.033




                                                                                                                                                                                                                                              50V4.7
                                                                                                                                 C1103




                                                                                                                                                                                                                                     C1304
                                                                                                                                                                                                                    C1108
                                                                                                                                                                                                                    16V10
                                                                                                                  C1101




                                                                                                                                                                                               R1302
                                                                                                                  50V1




                                                                                                                                                                                                470
                                                                                                                                              R1102
                                                                                                                                               1.5K
                                                                                                                              C1121                       C1107




                                                                                                                                                                       C1106
                                                                                                                              1000P
                                                                                                                                                      1500P


   5        5
                 PBLIN                                                                                                    22         21             20        19    18ALC 17     16   15      14     13      12
   4        4                                                                                                       PB                       PB           PB     PB          TPS REC REC ALC
                                                                                                                    Lin                      L NF         L EQ L out LOW GAIN Lin        Lout          Nor/Cro Vcc
   3        3                                                                                                                                                         OUT    ADJ                       SW
                                                                                                                                                                                    PB Rec      PB Rec
                 PBRIN                                                                                                           -
   2        2                                                                                                                    +                                                                                                               NOR/Chro
                                                                                                                      PB          PB AMP (L)                                                                                                      LOGIC
   1        1                                                                                       IC1001            Rec                                 Mute
                                                                                                                                                                                                                    REC AMP (L)
                                                                                                                                                                                                                                ALC
       CP1301                                                                                    AN7326K                                                                          TPS
                                                                                                                                                                                                                    REC AMP (R)
                                                                                                 P/B REC AMP IC       Rec
                                                                                                                                 +
                                                                                                                                  PB AMP (R)
                                                                                                                                                          Mute                                 IC1001                                                    RIPPLE
                                                                                                                                                                                                                                                       REJECTION
                                                                                                                      PB         -
                                                                                                                                                                                                                       PB Rec REC/PB
                                                                                                                                                                                                                              LOGIC
                                                                                                                               PB            PB           PB            PB                                  TPS     REC REC PB/REC
                                                                                                                               Rin           R NF         R EQ          Rout                  TPS           Out     Rin    Rout    SW    RF   GND
                                                                                                                          1              2            3            4                    5               6         7      8      9     10    11




                                                                                                                                                                                                                                              16V33

                                                                                                                                                                                                                                                         16V22
                                                                                                                              C1221                   C1207




                                                                                                                                                                                                                                    22K
                                                                                                                              1000P                   1500P




                                                                                                                                                                                               50V0.1
                                                                                                                                                                                               C1301
                                                                                                                                              R1202



                                                                                                                                                          50V2.2
                                                                                                                                                          C1206




                                                                                                                                                                                                                                    R1304

                                                                                                                                                                                                                                              C1305

                                                                                                                                                                                                                                                         C1308
                                                                                                                                               1.5K
                                                                                                                                16V100
                                                                                                                                C1203
                                                                                                                      50V1




                                                                                                                                                                                                                    C1208
                                                                                                                                                                                                                    16V10
                                                                                                                                                           R1204
                                                                                                                                    C1204




                                                                                                                                                            10K
                                                                                                                              R1201 0.027                                                                                                    R1305
                                                                                                     C1202                                                                                                                                    10K
                                                                                                     1000P                     27

                                                                                                                      C1201                  R1203             18K

                                                                                                                                                                                C1222
                                                                                                                                                      C1205                      0.01
                                                                                                                                                      470P
                                                                                                        IC1000                                                                                                                                                        C1223
                                                                                                 C1AA00000612                                                                                                                                                         270P
                                                                        H=OFF     IC1000          ANALOG SWITCH IC                          L1302
                                                                                                                                         RLQB470JTD-D


                                                      VCC
                                                       1            2     3       4     5               Q1309, 1310
                                                                                                   B1AAGC000006
                                                                                                        BIAS SWITCH


                                                                                                                                                                                               RECH1
                                                                          R1334                                   C1316                                                                                                                                               C1371
                          C1323                                            22K                                    1000P                                                                                                                                                0.01
                            1


                                                  C1324   R1338                                    Q1309
                                                  16V47    4.7K                                                                                       R1329 R1328
                                                                                       R1333                                                           4.7K  15K
                                                                                        4.7                                                           C1312
                                                                 L1301                               R1330                                            3300P
                                                                7L1A62N                               4.7

                                                                6          1                                      Q1310
                                                                                        C1318
                                  C1322
                                  1000P




                                                                                        0.047




         Q1317                            C1321                                                                                                       R1327
                                          4700P                            2                                                                           4.7K
 2SD2114K1V                                                     5
SWITCH BEAT PROOF
      LEVEL                                                     4          3                                       C1317
                                                                                        16V100
                                                                                        C1319




                                                                                                                   1000P
                                                                          R1335
                                                                           1.5K
                                            Q1317                                                                   C1314                     C1315
         Q1313                                                                                                      2200P                     2200P
 2SC2784FTA               Q1313
        SWITCH
                                           R1337                                      R1332
                                            10K       D1301                            10K
                                                                                                                  Q1312                               C1311
                                                  B0ACCK000005                                                                                        16V47
                                                                                        R1331
                                                                         C1320           7.5K
                  C1325                                                  50V1
                   0.01
                                                                                                                               Q1312
                                                                          R1336                                   2SC2412KT96R
                                                                           1.5K                                               SWITCH
                                                          BPL
                           SCHEMATIC DIAGRAM - 12
                                                                                                                                                                                                                           : PLAYBACK SIGNAL LINE
                                                  DECK CIRCUIT                                                                                                                         : +B SIGNAL LINE                    : REC SIGNAL LINE




                                       R1307
                                        22



                                                                                                                                                                         Q1101, 1201
                                                                                                                                                                   2SD2114K1V
                                                                                                                                                                        MUTING SWITCH


                                                                                                            R1105                                                                                  R1109
                                                                                                             2.2K                                                                                   1K

                                                                                                                                                                                     R1107
                                                                                                                               C1110    R1106
                                                                                                                                                                          Q1101       1K
                                                                                                                               6800P    100K


                                                                                           C1123
                                                                                           270P


                                                         R1308                                              R1205                                                                                  R1209
                                                          22                                                 2.2K                                                                                   1K

                                                                                                                                                                                     R1207
                                                                                                                               C1210     R1206                            Q1201       1K
                                                                                                                               6800P     100K



                                                                                                                                        R1309
                                                                                                                                         470
                                                                                                                                                                          D9V


                                                                                                 C1109                                                                                 R1313        C1310
                                                                                                 50V3.3                                                                                 10K         50V0.1
                                                                                                                                                                                                                                                     MOTOR_GND
                                                                                                                                                                                                                    Q1302                                             9
                                                                                                                                                                                                                                                         MOTOR_9V
                                                                                                                                                                                                                                                                      8
                                                                                                   C1209                                                                                                                                                         9V
                                                                                                   50V3.3                                                                                                                                                             7
                                                                                                                                                                                                                     Q1302                                  9V_GND           TO
                                                                                                                                                                                                                                                                      6
                                                                                                                                                                                                            DTA114EKA146                                    PB Lout          MAIN CIRCUIT
                                                                                                                                                                                                           DECK MUTING CONTROL                                        5      (H309/W309) ON
                                                                                                                                                                                                                                                            PB Rout
                                                                                                                                                                                                                                                                      4      SCHEMATIC
                                                                                                                                                                                                    R1110
                                                                                                                                                                                                                                                            AF_GND           DIAGRAM - 5
                                                                                                                                                                                                                                                                      3
                                                                                                                                                                                                     33K                                                    REC Lin
                                Q1306, 1307                                                                                                                                                                                                                           2
                      2SC2412KT96R                                                                                                                                                                                                                          REC Rin
                                                                                                                                                                                                                                                                      1
                                   SWITCH
                                                                                                                                                                                                    R1210                                                                  CN1304
                                                                                                                                                                                                     33K
                                                                                                                       BPL




                                                                                                                                                                RECH1




                                              R1319                                R1371
                                               12K                                  22K
                                                                                                                AN6                                                                                                        Q1305
                                                                                                                                                                                                                   DTC114EKA146
                                                                                                                                                                                                                           SWITCH
                                                  Q1306                            R1318
                                                                                    10K                                                                                 Q1304
                                                                                                                                                                                                                            Q1304
                                                                                                              VREF+
                                                                                                                                                                                                                   DTC143XKA146
                                              R1320                                                                                    Q1305                                       Q1303                              SWITCH (REC:H)                 TAPE_EJECT
                                                                                                                                                                                                                                                                      11
                                              100K                                                                                                                                                                                                             REC
                                                                                                                                                                                                                            Q1303                                     10
                                                                                                                                                                                                                                                                 BP
                  Q1307                                                                                         AN7
                                                                                                                                                                                                                   DTC143XKA146                                       9
                                                                                                                                                                                                                           SWITCH                              DMT
                                                                                                                                                                                                         R1314                                                        8
                                                                                                                                                                                                          1K                                                   AN6
       R1321
                                                                                                                                                                R1316                                                                                                 7      TO
                                                                                                                                                                 1K                                                                                            AN7           MAIN CIRCUIT
        47                 R1322                                                                                                                                                                                                                                      6
                            82K                                                                               VREF-                                                                                                                                                          (H307/W307) ON
                                                                                                                                                                                                                                                             VREF+
                                                                                                                                                                                                                                                                      5      SCHEMATIC
                                                                                                                                                                                                                                                             VREF-
                                                                                                                                                                                                                                                                      4      DIAGRAM - 6
                                                                                                                                                                                                                           Q1315                              PL_L
                                                                                                                                                                                                                    KTA12710YTA                                       3
                                                                                                                                                                                                                           SWITCH                        MOTOR_L
                                                                                                                                                                                                                                                                      2
                                                                                                                                                                                                             REC




                                                                                                                                                                                                                                                            PHOTO
                                                                                                                                                                          BP




                                                                                                                                                                                                                                                                      1
                                                                                                                                                                                                                                                                           CN1303
                                       PL_VCC


                                                         PHOTO


                                                                           VREF+




                                                                                                                                                                                                                    Q1315
                                                                                   VREF-
                                                  GND2


                                                                    AN7




                                                                                                                                                                                                                                       C1326
                                                                                                                                                                                                                                       10V10




                            1      2         3       4        5       6        7       8     9                                                                                                           R1342               R1344
                                                                                                 CP1902                                                                                         10K       47K                 27K

                                                                                                 CS971                                                                         R1341 R1374        4.7K
                            1      2          3      4         5       6       7       8     9                                                                                  470   470                                  R1343
                                                                                                                                                                                                                            3.3K
                                                   GND




                                                                                                                                                    MOTOR_VCC
                                        PL




                                                                    AN7




                                                                                                                    1 VREF+                                                                    Q1314
                                                                                                                                                                                                                   R1345
         MA2C16500E




                                                                                                                                                                         Q1316                                      1K
D971




                                                                                                                    2 AD_OUT
                      PL




                                                         RECINH_R
                                       RECINH_F




                                                                                                                                                                           Q1316                           Q1314
                                                                                                                    3 RECINH_F                                  2SD09650RA                       DTA143XKA146
                                CRO2


                                                  MODE


                                                                    HALF




                                                                                                                                                                          SWITCH                SWITCH (MOTOR SUPPLY)
                                                                                                                                                                                                                                                         W308B
                                                                                                                    4 MODE                      1        2                                                                                       1   2
        R972
         820                                                                                                                                                    W1903
                                                                                                                    5 RECINH_R
                                                                                                                                                                                                                                                 1   2
                                S973
                                       S975
                                                  S971
                                                         S974
                                                                    S972




                                                                                                                                                                                                                                                         W308A
                                                                                                                    6 HALF


                                                                                                                    7 VREF-

                                                                                                 R973                 Z971                                                                                                                        S602
                                                                                                 39K                                                                                                                                           TAPE EJECT
                                                                                                                    Z971
                                                                                                               RGSD12A1445T
            IC971                                                                                              RADA RESISTOR
                                                                                                                                            DECK MECHANISM
        CNB13030R2AU                                                                                                                                                                                                                             TAPE EJECT
           PHOTO INTERUPTOR                                                                                                                 CIRCUIT                                                                                              CIRCUIT



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