Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch1_2

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                                                                         SCHEMATIC DIAGRAM - 1

                                                                                             CD SERVO CIRCUIT                                                                                      : +B SIGNAL LINE                                                  : CD SIGNAL LINE




                                                                                      R701
                                                                                                                                                                                                            TJ701
 OPTICAL PICKUP UNIT                                                                   4.7        C701
                                                                                                 6.3V33                   Q701                                                                               TJ
                                                                                                                 2SA1037AKSTX                                                                                                                                          C716
                                                                                                                  LASER POWER DRIVE                                                                                                                                    680P

                                                                                               Q701                                                                                                                                                                    C703
                                                                                                                                                                                                                                                                      6.3V100
                                                   1          VCC        1
                                                   2           F         2                                                                                                                                                                                             C704
               GND                                                                  R754                                                                                                                                                                                0.1
        E                                          3           E         3
                      0.22




                                                                                     5.6
                                  C1               4           LD        4                                       C714                                                                                                              R742                                R743
        Vref     F               0.47                                                                           6.3V100                                                                                                            10K                                 4.7K
                      C2




                                                   5 LD GND              5
        A      Vcc                                 6          GND        6

                                                   7           A         7




                                                                                                                                                                                                                     0.039
                                                                                                                                                                                       0.47
        NC       B




                                                                                                                                                                                                  0.1
                                                           GND                                           C713
                                                   8                     8




                                                                                                                                                                                                                                              1
                                                         (GUARD)                                          0.1
 C3




                                                                                                                                                                                                                     C707
                                                                                                                                                                                                  C705




                                                                                                                                                                                                                                              C706
                                                                                                                                                                                       C702
0.22    LPD     LD                                 9           B         9

                                                   10         VREF       10
        GND    LDG
                                                   11         LPD        11
  VR1                                                         GND
                                                   12 (GUARD) 12
                                                                                                                                     1          2         3          4         5            6       7        8           9          10            11       12         13     14      15       16




                                                                                                                                                                                                             AGC
                                                               T-




                                                                                                                                                                                                    AGC
                                                   13                    13




                                                                                                                                                                                           RFIN
                                                                                                                                                                  EQSW

                                                                                                                                                                             RFOUT




                                                                                                                                                                                                                                                                                     /RFDET
                                                                                                                                                                                                                                                                             OFTR




                                                                                                                                                                                                                                                                                              LDON
                                                                                                                                                                                                                                                           OFTCONT

                                                                                                                                                                                                                                                                      BDO
                                                                                                                                                                                                                                                  HPFDET
                                                                                                                                                        VCC
                                                                                                                                     LPD

                                                                                                                                               LD




                                                                                                                                                                                                                                     3TOUT
                                                                                                                                                                                                                         HPF-AMP
                                                                                     C751
                                                   14          T+        14           0.1
                     TRACKING COIL
                                                   15          F-        15
                                                                                     C750
                                                                                                                                                                                                 IC701
                                                   16          F+        16           0.1                                                                                                     AN22004A-NF
                                                                                                                                                                                                   SERVO AMP




                                                                                                                                                                                                                                     FEOUT




                                                                                                                                                                                                                                                           TEOUT




                                                                                                                                                                                                                                                                                     EQBST
                                                                                                                                                                                                                         GCTL




                                                                                                                                                                                                                                                                              VREF
                                                                                                                                                                                                    TBAL

                                                                                                                                                                                                             FBAL
                        FOCUS COIL                             CN701




                                                                                                                                                                                                                                                                                              GND
                                                                                                                                                                                                                                                  FEN




                                                                                                                                                                                                                                                                      TEN
                                                                                                                                               C




                                                                                                                                                                     D
                                                                                                                                     A




                                                                                                                                                        B




                                                                                                                                                                                            E
                                                                                                                                                                             F
                                                                                                                                  32           31       30        29        28             27      26        25          24         23            22       21         20     19      18       17




                                                                                                                                                                                                                                      C747                      C710
                                                                                                                                                                                                                                      470P                      470P

                                                                                                                                                                                                                                      R744
                                                                                                                                                                  C711          0.1                                                   39K                  R702             R705
                                                                                                                                                              R737                   6.8K                                                                  4.7K             39K
                                                                                                                                                               C712             0.1
                                                                                                                                                              R738               6.8K                                                                      C749        3900P                         C742
                                                                                                                                                                                                                                                                                                     0.047



                                                                                                                                                                               R708                       R707                      R706                   R704
                                                                                                                                                                                0                          0                         1K                     1K

                                                                                                                                                                                                                                             32
                                                                                                                                                                                                                    33
                                                                                                                                                                             40


                                                                                                                                                                                            42
                                                                                                                                                                                                           R729
                                                                                                                                                                                                            1K                                     R728              18K
                                                                                                                                                                                                           R727
                                                                                                                                                                                                            1K                                     R749              18K


                                                                                                                                                                                                                                                       R725            R715
                                                                                                                                                                                                                                                        330            3.3K


                                                                                                                                                                                                                                   C752           C739                C715
                                                                                                                                                                                                                                   0.018          0.018               0.47
                                                                                                                                                                     R736
                                                                                                                                                                      100




                                             15         16      17       18         19       20        21                 22     23        24       25        26         27           28
                                                                                                                                                                         IN4
                                                                                                                                                              VREF




                                                                                                                                                                                      IN3
                                                                                                                                                    VCC
                                                                                                                                           NC
                                                                                                                                 NC
                                                                                    PVCC2




                                                                                                                          NC
                                                                                                                  GND
                                                                                             PGND2

                                                                                                       NC
                                                                         D4+
                                                                   D4-
                                                        D3+
                                             D3-




                                                                                                                                                                                                                                                  C738
                                                                                                            IC703                                                                                                                                 0.056
                              C735
                                                                                             PGND1
                                                                                     PVCC1




                               0.1
                                                                                                                  GND




                                                                                                                                                    PC1




                                                                                                                                                                         PC2
                                             D2+




                                                                   D1+
                                                        D2-




                                                                         D1-




                                                                                                                                                              IN1




                                                                                                                                                                                      IN2
                                                                                                       NC




                                                                                                                          NC

                                                                                                                                 NC

                                                                                                                                           NC




                              C734
                             10V220          14         13      12       11         10       9         8                  7      6         5        4         3          2             1


                                                                                                                                                                                                                                                           R735
                                                                                                                                                                                                                                                            100



                                                                                                                                                                                                                      R723                                 R731
                                                                                                     C737                                  IC703                                                                      3.3K                                 22K
                                                                               36                    0.01           37
                                                                                                                               BA5948FPE2
                                                                                               M702                               FOCUS COIL/
                                                        C736                                                                     TRACKING COIL/
                                        39               0.1                   38            SP MOTOR
                                                                                                                                TRAVERSE MOTOR/
                                                      M701
                                                                                                     M                        SPINDLE MOTOR DRIVE
                                                   TRV MOTOR
                                                          M
  SCHEMATIC DIAGRAM - 2

               CD SERVO CIRCUIT                                                                                                                     : +B SIGNAL LINE                                   : CD SIGNAL LINE

                                                                                                                                                                                                                                13                                                             14


                                                                                                                                                                                                                                                                                      16




                                                                                                                                                                                                                                                                            D750
                                                                                                                                                                                                                                                                         MAZ80560ML

                                                                                                                              R721
                                                                                                                               100
                                                                                                                                                                                      R717                                           C727                                        19
                                                                                                                                                                                       1K                                            50V1

                                                                                                                                                                                                               C725                                                         18
                                                                                                                                                                                                               1000P

                                                                                                                                                                                      R718                     C726                  C728                                 17
                                                                                                                                                                                       1K                      1000P                 50V1
                         C757
                        6.3V100
                                                                                                                              C730
                                                                                                                               0.1

                                                                                                                            C731
                                                                                                                           6.3V220
                                                                                                                                                                                                                                                                                                         25

                                                                                                                                                                                                                                                                                                         24

                                                                                                                                                                                                                                                                                                         23
                                                                                                                                                                                                                                                                                                         22
                                                                                                                                                            10K
                                                                                                                                                                   10K
                                                                                                                                                                   10K



                                                                                                                                                                                                                                                                                                         21
                                                                                      1000P




                                                                                                                                                                                           C723
                                                                          C741
                                                            0.082
                                                            C718
                                                    0.015




                                                                                                                                                                                          6.3V220
                                                                                                                                                                                                                                                                                                         20
                                                                                                                                                            R761
                                                                                                                                                                   R762
                                                                                                                                                                   R763
                                                                                                             C755



                                                                                                                                      C740
                                                    C744




                                                                                                              0.1




                                                                                                                                                                                                                                                                                                         19
                                                                                                                                       0.1




                                                                                                                                                                                           C724
                                                            R712                                                                                          25                                0.1                                R760
                                                             820                                                                                                                                                                100                                                                      18
                                                                                                                                                                                                                                                                                              LchOUT
                                                                                                                                                                                                                                                                                                         17
                                                                                                                                                                                                                                                                                               AGND
                       100K




                                                                                                                                                                                                                                                                                                         16
                0.1




                                                                                                                                                                                                                                                                                              RchOUT
 R711                                                                                                                                                                                                                                                                                                    15
                                               41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
 82K                                                                                                                                                                                                                                                                                            +3.3V           TO
                C717




                                                                                  AVDD2




                                                                                                                                      DVSS3



                                                                                                                                                      FLAG
                                                        (DRF) RFSW




                                                                                                                                                     TMOD2
                                                                     PLLFO




                                                                                                                              AVDD1
                                                                      PLLF




                                                                                                                                                                                          TX
                                                                                                      OUTL




                                                                                                                                                                                 IOVDD2
                                                                                              AVSS2



                                                                                                                       OUTR



                                                                                                                                      DVDD3
                                                              DSLF




                                                                                                              AVSS1




                                                                                                                                                                          EXT1
                                                                                                                                                               EXT0
                                                                                                                                                               EXT2
                                               ADPVCC




                                                                                                                                                                                                                                                                                                         14
                       R709




                                                                                                                                                                                                                                                                                               LDSW             MAIN CIRCUIT
                                                                                                                                                                                                                                                                           C753                          13
                                                                                                                                                                                                                                                                           470P                                 (CN306) ON
                                                                                                                                                                                                                                                                                               DGND
                                                                                                                                                                                                                                                                                                         12     SCHEMATIC
                               40 IREF                                                                                                                                                           MCLK 61
                                                                                                                                                                                                                                                                                               +7.5V            DIAGRAM - 6
                               39 ARF                                                                                                                                                           MDATA 62                                                                                                 11
                               38 LDON                                                                                                                                                            MLD 63                                                            12                C743          TX
                                                                                                                                                                                                                                                                                                         10
                               37 BDO                                                                                                                                                           BLKCK 64                                                                               0.1
                                                                                                                                                                                                                                                                                               PGND
                               36 NRFDET                                                                                                                                                       PWMSEL 65                                                                                                 9
                                                                                                                                                                                                                                                                    7                          MCLK
                               35 OFT                                                                                                                                                            SMCK 66                                                                                                 8
                               34 RFENV                                                                                                                                                           SBCK 67                                                           8                         MDATA
                                                                                                                                                                                                             R753      10                                                                           7
                               33 TE                                                                                                                                                              STAT 68                                                           9                           MLD 6
                               32 FE                                                                                                                                                              NRST 69
                                                                                                   IC702                                                                                                                                                            31                        BLKCK
                               31 FBAL                                                                                                                                                          SPPOL 70                                                                                                 5
       C729
                                                                                                MN6627931BD
                               30 TBAL                                    SERVO PROCESSOR/ DIGITAL SIGNAL                                                                                        PMCK 71                                                            4                           STAT
        0.1                                                                  PROCESSOR/ DIGITAL FILTER/                                                                                                                                                                                                  4
                               29 IOVDD1                                          D/A CONVERTER                                                                                                  DQSY 72                                                            3                           /RST
                                                                                                                                                                                                 TXTD 73                                                                                                 3
                               28 FOM (GCTL)
                                                                                                                                                                                                                                                                                             REST SW
                               27 FOP                                                                                                                                                           TXTCK 74                                                                                                 2
                               26 TRM                                                                                                                                                           NTEST 75                                         C722                                        LOADING
                                                                                                                                                                                                                                                 27P                                                     1
                               25 TRP                                                                                                                                                           OUT X2 76
                                                                                                                                                                                                                                                                                                              CN702
                               24 TRVM (PC)                                                                                                                                                      IN X1 77
                                                                                                                                                                                                                                                                         C745
                                                                                                                                                                                                                                      1M



                                                                                                                                                                                                                                                 RSXC16M9S04




                               23 TRVP                                                                                                                                                          DVSS1 78                                                                  0.1
                                                                                                                                                                                                                        0.1




                               22 SPOUT                                                                                                                                                         DVDD1 79
                                                                                                                                                                                                                                                    X701
                                                                                                                                      A10 (NCAS1)




                                                                                                                                                                                                                                      R720




                               21 DVDD2                                                                                                                                                          MON 80
                                                                                                                                                                                                                        C746
                                                                                                                                                                                 DRVDD
                                                                                                                                      NCAS0
                                               DVSS2




                                                                                                                                                                                                              24
                                                                                                                                                     NRAS
                                                                                                                                                                    NWE




         C733
                                                                                                                                                     D3
                                                                                                                                                     D2




                                                                                                                                                                                 D0
                                                        A3
                                                        A2
                                                                     A1
                                                                             A0
                                                                                  A9
                                                                                  A4
                                                                                                      A5
                                                                                                              A6
                                                                                                                       A7
                                                                                                                              A8




                                                                                                                                                                          D1




          0.1                                                                                                                                                                                                                                    R714
                                               20 19 18 17 16 15 14 13 12 11 10 9 8                                                                   7 6      5 4 3 2                    1                                                       470


                                                                                                                                                                                                                                                 C721
                                                                                                                                           CAS



                                                                                                                                                    RAS
                                                                                                                                  A10




                                                                                                                                                                   WE




                                                                                                                                                                                                                                                 22P
                                                                                       A4
                                                                                                  A5
                                                                                                           A6
                                                                                                                  A7
                                                                                                                           A8



                                                                                                                                                    D3
                                                                                                                                                    D2



                                                                                                                                                                        D1
                                                                                                                                                                        D0
                                                    A3
                                                    A2
                                                                  A1
                                                                       A0
                                                                                 A9




                                                                                                                                                                                                      C748
                                                                                                                                                                                                       0.1
                                                                                                                                 A4
                                                                                                                      A5
                                                                                                      A6
                                                                                      A7
                                                                       A8
               D3




                                               A9
                       D2

                               CAS




         26     25       24     23      22     21            20           19           18              17             16              15         14
                                                                                                                                                    VSS
                                                                                                                                      A4
                                                                                                                       A5
                                                                                                       A6
                                                                                       A7
                                                                          A8
                                                              NC
                                                 A9
                                         0E
                                 CAS
                 D3

                          D2
         VSS




C758                                         IC704                                                                                                                        C754
                                                                                                                                                                                                                                                                             S701
                                                                                                                                                                                                                                                                           RESET SW
 0.1                                     C3ABMB000027                                                                                                                      0.1
                                                                                                                                                                                                                                                                                                     2
                                                        16M DRAM
         VCC




                                                                                                                                                    VCC
                                         RAS




                                                                          A10
                                WE




                                                NC

                                                              NC
                 D0

                         D1




                                                                                       A0

                                                                                                        A1

                                                                                                                       A2

                                                                                                                                      A3




         1       2        3      4       5       6            7           8               9            10             11              12         13
                                       RAS




                                                                       A10
                               WE
               D0

                       D1




                                                                                      A0

                                                                                                      A1

                                                                                                                      A2

                                                                                                                                 A3




                                                                                                                                                                                                                                             1        11       10



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