Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-HT75 sch23_25

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sch23_25


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SCHEMATIC DIAGRAM - 23
                                                       : +B SIGNAL LINE                                            : -B SIGNAL LINE                                                          : DVD AUDIO SIGNAL LINE                                                                 : MAIN SIGNAL LINE


                               MAIN CIRCUIT
                 1
                      MUTE_FLAG
                 2
                      6CHFL




                                                                                                                                                                                                                                                                                                            HPSW
                 3




                                                                                                                                                                                                                                                                                                    HPR
                                                                                                                                                                                                                                                                                           HPL
                      S.GND                                                             Q401,Q408                                                         Q402-Q403
                 4                               Q404,Q409
                 5
                      6CHFR
                                           KRA111MTA                          B1AAGC000007                                                  B1AAGC000007
TO                    6CHSR                CENTER FOCUS
                                                                                         SWITCH                                                   MUTING SWITCH                                                                                                                                   R449                    C415 C431
                 6                                                                                                                                                                                                                                                                                 10                     0.01 0.01
DSP CIRCUIT           6CHSL               CONTROL SWITCH
                                                                                                   C401
                 7                                                               R401                                                        C402                                                                                           R409                                  R414            R450
(CN804) ON            6CHC                                                       8.2K             16V10                                     50V3.3                                                                                          3.3K                                  68K              10
                 8
SCHEMATIC             6CHSW                                                                                                                                                                                                                                                                       R416
DIAGRAM-17       9                                                                                                                                                R412                     3.3K                                                   C403 50V4.7




                                                                                                                                       100K
                      MIXL                                                                                                                                                                                                                                                                         39




                                                                                                                                       100
                                                                                                                                       82K




                                                                                                                                                                                                                                                                                          1000P
                                                                                                                                                                                                                                C408
                 10




                                                                                                                                                                                                                                                                                          C414
                                                                                                                                                                                                                                0.01




                                                                                                                                                                                                                                                                                          R418
                      MIXR                                                                                                                                        <0V>                                                                                              C410 C412




                                                                                                                                                                                                                                                                                           39
                 11
                                                                                                              <0V>                                                ((0V))                                                                                            100P 47P
                      D.GND                      <1.03V>                      R403
                 12
                                                              Q404                                            ((0V))




                                                                                                                                       R406
                                                                                                                                       R420
                                                                                                                                       R402
                                                 ((1.03V))                     1K       Q401                                                     Q402




                                                                                                                                                                                                                                                                 ((-7.92V))
         CP804                                                                                                                                                                                                                                                                                                                   IC401




                                                                                                                                                                                                                                                                 <-7.95V>
                                                                <0.99V>                 <0.63V>                                                                            <-3.42V>                       R407
                                          R404                                                                                                           <0V>
                 1                                  16V10                                                                                                                  ((-3.42V))                      1K                                                                                                                M5218AP
                                                     C406




                                                                                                                                                                                                                                                                 ((0V))

                                                                                                                                                                                                                                                                 ((0V))
                                                                                                                                                                                                                                                                 <0V>

                                                                                                                                                                                                                                                                 <0V>
                                          10K                   ((0.99V))               ((0.63V))             <0V>                                                                                                                                                               <0V>
                 2                                                                                            ((0V))                                     ((0V))                                                                                                                                                              DUAL OP AMP
                                                                                                                                                                                                                                                                                 ((0V))
                 3                                            <0V>                                                                                                                                                                                           4      3      2     1
TO                    S.GND                                   ((0V))                                                                                                                                                                                     VEE




                                                                                                                                                                                                                                                                                          1000P
                 4                                                                                                                                                                                                                                                                                                                Q406




                                                                                                                                                                                                                                                                                          C413


                                                                                                                                                                                                                                                                                                    R415
DSP CIRCUIT           S.GND                                                                                                                                       <0V>




                                                                                                                                          100K
                                                                                                                                                                                                                                                                               C/L




                                                                                                                                                                                                                                                                                                     39
(CN802) ON
                 5
                      +7.5V                                                                                                                                       ((0V))                                R408                                                      IC401                                                    KRA111MTA
                 6                                                                                                                                                                                       1K                                                                                                                   MUTING
SCHEMATIC             -7.5V                                                                                           R445                       Q403                                                                                                                     R                                               CONTROL SWITCH




                                                                                                                                                                                                                                                                                          R417
                 7                                                                                                    2.2K                                                 <-3.42V>




                                                                                                                                                                                                                                                                                           39
DIAGRAM-17            D.GND                                     <0.99V> R443                                                                                                                                                                                                   VCC




                                                                                                                                          R405
                                   R444                                                     <0.64V>                                                      <0V>              ((-3.42V))
                 8
                      D.GND        10K               Q409 ((0.99V))      1K                 ((0.64V))                <0V>                                ((0V))                                                                                              5      6      7     8
                                                                                                                                                                                                                                                                                                                             C411




                                                                                                                                                                                                                                                               <0V>
                                                                                                                                                                                                                                                              ((0V))
                                                                                                                                                                                                                                                              <0V>
                                                                                                                                                                                                                                                              ((0V))
                                                                                                                                                                                                                                                              <0V>
                                                                                                                                                                                                                                                              ((0V))
                 9                                                                                                   ((0V))                                                                                                                                                      <7.23V>
                      CF 1/2                       <1.03V>                                                                                                                                                                                                                                                                   120P...EE
                 10                                ((1.03V))                                Q408
                                                                                               <0V>
                                                                                                                                                                                                                                                                                 ((7.24V))
                                                                                                                                                                                                                                                                                                                             47P...E/EB/EG
                      MO9V
                                           16V10
                                           C432




         CP802                                                                                            ((0V))




                                                                                                                                          100
                                                                 <0V>                                                                                                                                    R411
                 1                                                                                                                                                                                       3.3K
                      ASPECT                                     ((0V))
                 2                                                                                                                                                                                                                                           C409 C411




                                                                                                                                                                                                                                                                                                                   R433
                                                                                                                                                                                                                                            R410                                                                          R432




                                                                                                                                                                                                                                                                                                                   68K
                                                                                                                                          R421
                 3                                                                                                                                                    C434                               C405                               3.3K             100P                                                          68K
                      MIC                                                                                                                                             50V4.7                             50V3.3
TO               4                                                                            Q405
                      MUTEA                                                                                                                                            R419                                                           C407 C404                          R413                                        C416         C417
DSP CIRCUIT      5                                                               KRA111MTA                                                                             150K                                                           0.01 50V4.7                         68K           R426                         16V10       50V3.3
(CN801) ON            MUTE_SB                                                                                                                                                                                                                                                            1K
                 6                                                                  VOLTAGE




                                                                                                                                                                       R423
                                                                                                                                                                       120K
SCHEMATIC        7                                                              REGULATOR SWTCH
                                                                                                                                                                                                                                                                                                    R427
                                                                                                                                                                                                                                                                                                                          <5.01V>
                      DGNDC3                                                                                                                                                                                                                                                                                              ((5.01V))
DIAGRAM-17       8                                                                                                                                                                           Q405                      R424                                                          <7.86V>        12K
                      DSP_DCDET                                                              Q410                                                                                                                        1K                                         Q410             ((7.86V))                                   <-3.02V>




                                                                                                                                                                                                                                                  R425
                 9




                                                                                                                                                                                                                                                  2.7K
                      14.7V                                                                                                                                                <-3.43V>                            <5.01V>                                                                              R428                         ((-3.03V))
                 10                                                            KTC3199GRTA                                                                                 ((-3.42V))                          ((5.01V))
                                                                                                                                                                                                                                                                  <7.19V>                           3.3K




                                                                                                                                                                                                                                                                                                                                          R447
                                                                                                                                                                                                                                                                                                                                          100K
                      SW5V                                                     SUPPLY SWITCH (7.5V)                                                                                                                                                               ((7.19V))
         CP801                                                                                                                                                                                                                                                                   <7.19V>                             <4.92V>     Q406
                                                                                                                                                                                                        <4.92V>                                                                  ((7.19V))                           ((4.91V))
                                                                                                                                                                                                        ((4.91V))
                 1                                                                                                                                                                                                                                                                   R446
                 2                                                                                                                                                                                                D401                                                   C433         1K
                      VREF                                                                                                                                                                                 B0BA5R000004                                                 10V100
                 3
                      MECHCS
                 4
                      MECHCK
                 5
                      MECHSO
                 6
                      MECHSI
                 7
                      MECHRQ
                 8
                      MECHRS
TO               9
                      SGND
PANEL            10
                      MIC_SW
CIRCUIT          11
                      SER5
(CN601) ON       12
                      PHONE_SW
                                                                                 SW5V

                                                                                          14.7V

                                                                                                   MO9V




                                                                                                                           DSP_DCDET




                                                                                                                                                                   DCDET
                                                                                                           +7.5V




                                                                                                                                                 -7.5V




SCHEMATIC        13
                      MICVOL
DIAGRAM-22       14
                      DCDET
                 15
                      PCONT
                 16
                      SYNC
                 17
                      SYS6V
                 18                                                                                                               R565                                                                                                            D551
                      SER2                                                                                                        4.7K
                 19                                                                                                                                                                                                                               B0AACK000004
                      SER1
                 20
                      -VP
                 21
                      FL2
                 22
                      FL1
                                                                                                                                                                            B0AACK000004




         CN901
                                                                                                                                           D553
                 1                                                                                                                     B0AACK000004
                                                                                                                                                                                D552




                 2
                                                                                                                                                                                            R571




                      MIC
                                                                                                                                                                                            39K




                 3                                                                                                                       R572                                                                        R570          R568             R567
                      DGNDC3                                    R589                                                                     22K                                                                          10K          220K
                 4
                                                                                                                                                                                                                                                    68K
TO               5
                      PHONE_SW                                  10K
HEADPHONE        6
                      MIC_SW
CIRCUIT                                                                                                                                                      <4.99V>                                                                          <7.82V>
(CN604) ON
                 7
                      HPSW                                                                         Q552                                                      ((4.99V))                                                           Q551 ((7.82V))
                 8                                                                                                                                                                                                     R569
SCHEMATIC        9
                      HPL                                                               KRC111MTA                                         Q552
                                                                                                                                                                                                                       4.7K
DIAGRAM-21            HPGND                                                          DC DETECT SWITCH                                                                      <-3.2V>                                        <-3.19V>                 <7.87V>
                                                                                                                                                 <0V>
                                                                                                                                                                                                       50V4.7




                 10                                                                                                                                                        ((-3.19V))                                     ((-3.19V))               ((7.87V))
                                                                                                                                                                                                        C551




                      HPR                                                                                                                        ((0V))                                                                                                                                      Q551
                 11

                 12
                      MICVOL                                                                                                                                                                                                                                                           2SA733-T
                      SER5                                                                                                                                                                                                                                                       DC DETECT SWITCH
                 13
                      SER1
                 14
                      SER2
         CN902
                                                                                                                               MO9V
                                                                                                                    SW5V
                                                                                                            14.7




         CP703                                                         Q555
                 1
                 2
                                                            KTC3199GRTA                                                                                                                                                                                           <5.03V>
                      MUTE_ZFLAG                       FAN CONTROL SWITCH                                                                                  R585                                                                                   <0V>            ((5.03V))
                 3                                 (FOR POWER FAILURE CONTROL)                                                                             56K                                                                                    ((0V))
                 4
                      6CHFL
                                                                                                                                                                   <0V>
                                                                                                                                                                                                                                                                   Q556
                      S.GND                                            Q556                                                                                                                                                  C553                                 <0V>
TO               5
                      6CHFR
                                                                                                                                                                   ((0V)) R584
                                                                                                                                                                                                                            6.3V220                               ((0V))
DVDREG           6                                          KTC3199GRTA                                                                                   Q555
                                                                                                                                                                            100
                                                                                                                                                                                                                                                   6.3V220




                      6CHSR                                  DC DETECT SWITCH                                                                                          <0V>
                                                                                                                                                                                                                                                    C555




CIRCUIT          7
                      6CHSL                                                                                                                                 <0V>       ((0V))
(CN703           8                                                                                                                                          ((0V))
                                                                                                                                                                                                  MA2C700A0F




                      6CHC
/CN704) ON       9
                      6CHSW
                                                                                                                                                                                                                      R583


                                                                                                                                                                                                                                     R582
                                                                                                                                                                                                                      220K




                                                                                                                                                           R586
SCHEMATIC
                                                                                                                                                                                                    D556




                                                                                                                                                                                                                                 R575 18




                 10
                      MIXL                                                                                                                                 10K
DIAGRAM-18       11
                      MIXR                                                                                                                                 C554
                                                                                                                                                                                                                                            56K




                 12                                                                                                                                        16V33
                      MO9V
                                                                                                                                                                                                               MA2C700A0F




                 1
                      DCIN
                 2
                                                                                                                                                                                                      D557




                      P.GND-
                                                                                                                                                                                      R581
                                                                                                                                                                                      10K




                 3
                      FAN-
                 4
                      FAN+
         CP704

                 1
                      MECHRS
                 2                                                                                                                                                         <9.2V>                                                                                Q554
                      MECHCS                                                                                                                                                                                                                                                                              Q553
                 3                                                                                                                                       Q554 ((9.2V))
                      MECHCK
                                                                                                                                                   <0V>                                                                                       2SB621ARSTA                                 KTC3199GRTA
TO               4
                      MECHSI                                                                                                                       ((0V))                                     R580                                                    FAN MOTOR                            FAN ON/OFF SWITCH
DVDREG           5
                                                                                                                                                                   <9.19V>                    4.7K                                                  SUPPLY SWITCH
                      MECHSO
CIRCUIT          6                                                                                                                                                 ((9.19V))
                      MECHRQ
(CN701) ON       7                                                                                                                                                                                             R579                                <0.14V>
                      ASPECT                                                                                                                                                                                   5.6K                                ((0.68V))
SCHEMATIC        8
                      SGND
DIAGRAM-20       9
                      SW5V                                                                                                                                                                                   R578                                 Q553
                 10                                                                                                                                                                                          820K                                                        <9.2V> R577
                      14.7V                                                                                                                                                                                                                           <0V>               ((0V)) 10K
                 11                                                                                                                                                                                          C552                                                                                         R576
                      +7.5V                                                                                                                                                                                   0.1                                     ((0V))                                              820K
                 12
                      -7.5V
         CP701
        SCHEMATIC DIAGRAM - 24
                                                                            : +B SIGNAL LINE                                                                  : -B SIGNAL LINE                                                    : MAIN SIGNAL LINE


                       MAIN CIRCUIT

                                                                                                  C422
                                                                                                  0.15




                                                                    5600P
                                                                    C420
                                           R435
                     C418                  270K                             R436                    R437
                      0.1                                                   82K                     82K
                                          C419                              C421                  R438
                              R434        0.039
                              15K                                           0.047                 8.2K
                                                               ((-7.97V))
                                                               <-7.95V>
                                     ((0V))

                                                ((0V))

                                                ((0V))



                                                               ((0V))

                                                               ((0V))

                                                                                            ((0V))
                                     <0V>

                                                <0V>

                                                <0V>



                                                               <0V>

                                                               <0V>

                                                                                            <0V>                                                             IC402
                                  14        13       12     11       10      9            8                                                        M5228FPE1
                                                                                                                                                     QUAD OP AMP
                                                            -VCC




                                                                                                                                                                                                                                                                                                                                    SL
                                          -




                                                                                 -




                                           +                                     +
                                             SW1                                                                                                                                                                                                                                                                                    SR
                                             C/L
                                                         IC402 SW2
                                                                 R                                                                                                                                                                                                                                                                  C
                                                            +VCC




                                           +                                     +
                                                                                                                                                             Q407
                                                                                 -
                                           -




                                     1         2     3      4        5       6            7                                                   KTC3199GRTA
                                                                                                                                                     MUTING SWITCH
                                                               <7.89V>
                                                               ((7.89V))
                                      <0V>
                                     ((0V))
                                     <0V>
                                     ((0V))


                                     <0V>
                                     ((0V))



                                                                   <0V>
                                                                   ((0V))
                                                                   <0V>
                                                                   ((0V))
                                                                   <0V>
                                                                   ((0V))




                                                                                                    C423
                                                                                                    50V1
                                                                            R440
                                                                            15K
                                         R439
                                         15K




                      C427                          C426                                          C424
                      0.047                          0.1                    C425
                                                                             0.1                  0.047
                                                     R441
                                                     39K                 R442
                                                                         39K


 R429                    <0V>
                                                   R430




                                                             R431 C428                                                                                                                                                                                                                                                      SW
         Q407
                                                   33K




  1K                     ((0V))                              18K 16V10                                                                 C429
        <0.73V>                                                                                                                        50V1
        ((0.73V))       <0V>
                        ((0V))
150K
R448




                                                                                                                                                                                                                                                                                                                             FR
                                                                                                                                                                                                                                                                                                                               FL
                                                                                                                                                                                                                                                                                                                        SW_MIX
                                                                                                                                                                                                                                                                                                                      CENTER_F
                                                                                                                                                                                                                                                                                                                           +7.5V
                                                                                                                                                                                                                                                                                                                           -7.5V




                                                                                                                                                                                                                                                                                                                                    SW5V




                                                                                                                                                      IC502
                                                                                                                                                                                                          +1/2 VIN1
                                                                                                                                                                      -1/2 VIN1
                                                                                          +VIN2




                                                                                                                                                                                                                       +VIN1
                                                                                                                               +3.3V




                                                                                                                                                              -VIN1
                                                                                                             +10V




                                                     IC502
                                                                                                                                               GND


                                                                                                                                                       GND
                                                                                                                         VO4




                                                                                                                                       VO5




                                                                                                                                                                                       VO3


                                                                                                                                                                                             VO2


                                                                                                                                                                                                    VO1




                                         STK470-050A                                       1                 2           3     4       5       6       7      8        9              10     11    12     13           14
                                                                                                                                                                                                                                                                          35V5600P
                                                                                                                                                                                                                                           35V3300P



                                                                                                                                                                                                                                                       35V5600P




                                                                                                                                                                                                                                                                                      35V3300P
                                                                                                  <9.26V>
                                                                                                 ((9.28V))




                                                                                                <28.67V>
                                                                                               ((28.67V))
                                                                                                <17.46V>




                                                                                                <-8.57V>
                                                                                               ((17.22V))




                                                                                                ((-8.55V))
                                                                                                <-7.95V>
                                                                                                ((-7.96V))




                                                                                                <16.25V>
                                                                                               ((16.26V))
                                                                                                  <7.98V>
                                                                                                 ((7.99V))
                                                                                                <15.09V>
                                                                                                 ((15.1V))
                                                                                              <-29.96V>
                                                                                                   <8.8V>




                                                                                              ((-29.83V))
                                                                                                 ((8.84V))


                                                                                                     <0V>
                                                                                                     ((0V))
                                                                                                     <0V>
                                                                                                     ((0V))
                                                                                                     <0V>
                                                                                                     ((0V))
                                                                                                     <0V>
                                                                                                     ((0V))




                                                      HIC
                                                                                                                                                                                                                                             C530



                                                                                                                                                                                                                                                         C529


                                                                                                                                                                                                                      



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