Service Manuals, User Guides, Schematic Diagrams or docs for : BOSE Audio 3-2-1 GS Series II 3-2-1 series II_GS series II_GSX BassBox-IO-270926-Rev00_sht1

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BassBox-IO-270926-Rev00_sht1


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                                                                                                                          J4 TO SPEAKER CABLE
        J7 PLUGS TO DSP J150


D                                                                                                                                                                                                                                                                                                                                                   D
             271899-010                                                                                                                  J4
                J7                                                                                                                   260917-09                                                                                                                                                    2     J5
                                                                                                                       TP7         LC-                                                                                                                                                            1     271897-002
                 1                                                                                                                      1
                                                                                                                       TP8         LC+
                 2                                                                                                                       2
                      LS-
                 3                                                                                                                        3                                                                                                    S1-NV
                      LS+                                                                                              TP9         RC+                                                                                                                                       TP4 TP5
                 4                                                                                                                        4                                                                                                1           2
                      LC-                                                                                              TP10        RC-                                                                                                                                                            2     J2-NV
                                                                                                                                                                                                                                                                             TP6 TP41
                 5                                                                                                                        5
                      LC+                                                                                              TP11                                                                                                                                                                       1     271897-002
                                                                                                                                   LS+                                                                  F1
                 6                                                                                                                        6                                            TP1 TP2                         TP3TP45
                      RC+                                                                                              TP12        LS-
                 7                                                                                                                        7
                      RC-                                                                                              TP13        RS-                                                              2.500A
                 8
                      RS+                                                                                              TP14        RS+
                                                                                                                                          8                        J1                                                    VR1-NV
                                                                                                                                                                                                                                                                                TP42

                 9                                                                                                                        9                    273692-001                                                                                                       TP43
                      RS-                                                                                                                                                                                                273545-001
                 10                                                                                                                      10       MTH              1                                                                                                            TP44

                                                                                                                                         11       MTH
                                                                                                                                                        120 VAC    2

                                                                                                                                    PGND
                                                  TP23 TP36 TP37
                                                                          V-UNREG                                                                                                                                                                            TP42-TP44 ARE NOT CONNECTED ON THIS DESIGN.
                                                                                                                                                                                                                                                             THEY ARE CONNECTED TO SIGNALS ON THE DUAL I/O
                                 PGND       C6
                                            4700uF
C                                                                                                                                                                                                                                                                                                                                                   C


                                           PGND                                                                                                                                                                                                                                                                               XJ3




                                                                                                                                                                                                                                                                                                                           SHGND        SHGND


                                                                                                                                                                                                                                                                                                                     XJ3 IS A GND SHIELD FOR J3
                                                                                                                                                                                                                                                                                                 J3
                                                                                               C5
                                                                                                                                                                                                                                                                                           LAC1315-0002

                                          GND    16                                                                                                                                                                                  V-UNREG                                                      1    V_UNREG
                                                        TP16               C1                 2.2uF
                                           R+    15                                                                                                                                                                                                                                               2    PGND
                                                        TP15
                                            R-   14                       2.2uF     C10                                                                                                                                                                                                           3    SPDIF-
                                                                TP47                                            TP48
                                         AGND    13                                                                                                                                                                                                                                               4    MUTE
                                                        TP17                                                                  C4
                                                                                    2.2uF
                                            L+   12                                                                                                                                 C7-NV                                                                                                         5    DSP SHUTDOWN
                                                        TP18                                                 C3
                                                                                                                          2.2uF
                                            L-   11                                                                                                                                                                                                                                               6    A_RETURN
                                                                                                             2.2uF                                                                  0.010uF
                                        DGND     10                                                                                                                                                                                                                                               7    DGND
                                                       TP20                                                                                                                     TP27
                                        SPDIF+    9                                                                                                                                                                                                                                               8    L-
                                                        TP19                                                                                                                    TP28
                                        SPDIF-    8                                                                                                                                                                                                                                               9    L+
B                                                                                                                                                                               TP25                                                                                                                                                                B
                                        DGND      7                TP49                                                                                                                                                                                                                           10   R-
                                                        TP21
                               CONSOLE MUTE       6                                                                                                                                                                                                                                               11   SPDIF+
                                                        TP22                                                                                                                    TP26
                                           SS     5                                                                                                                                                                                                                                               12   R+
                                                        TP29
                                SPKR_SENSE        4                                                                                                                                                                                                                                               13   SS
                                          GND     3                                                                                                                                                                                                                                               14   MTG
                                                         TP24
                             DSP-SHUTDOWN        2
                                                                                                                                                                    TP38
                                                                                                                                                                                 C8                                                                                                             J3 PLUGS TO MAIN BD. BASSBOX CONN
                                          GND     1                TP30
                                                                                                                                                                   PGND         0.010uF
                                                 J6                                                                                                                                              SG12    SG11   SG10    SG9      SG8     SG7    SG6        SG2
                                                                                                                                                                                                                                                                 SG3
                                                                                                                                                                                                                                                                       SG4      SG5       SG1

                                       270584-016
                            J6 PLUGS TO DSP J7100                                                       C9
                                                                                                                                                            TP46

                                                                                                      0.010uF                                                                    SHGND           PGND PGND PGND PGND PGND PGND PGND PGND PGND PGND PGND PGND




                                                                                                                                                                                                                                                                                                                                                R
A                                                                                                                                                                                                                                                                                                                                                   A

                                                                                                                                                                                                                                                                                                                FRAMINGHAM, MA 01701-9168

                                                                                                                                                                                                                                                                                                        PS321 II Bass Module
                                                                                                                                                                                                                                                                                                       Input /Output (I/O) PCB
                                                                                                                                                                                                                                                                                                       PCB P/N: 270926 Rev. 00
                                                                                                                                                                                                                                                                                                                     Sheet 1 of 1

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