Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio FFH-969 969IC

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       INTERNAL BLOCK DIAGRAM OF ICs
I LA1837




I KA3082




I KIA6289N




                    - 28 -
I KA8301




I KIA7805 P/PI ~ KIA7824P/PI




                               - 29 -
I LC7273M




I TDA7440D

                                           MUXOUTL INL           TREBLE(L)     BIN(L)     BOUT(L)
               4                                   8       9            18         14         15
       L-IN1
                    100K                                                                 RB
               5
       L-IN2
                    100K
                                                                                                   SPKR ATT   27
               6                     G                  VOLUME      TREBLE      BASS                               LOUT
       L-IN3                                                                                         LEFT
                    100K

               7
       L-IN4
                    100K                                                                                      21
                                    0/30dB                               2                                         SCL
                                   2dB STEP                             I CBUS DECODER + LATCHES              22
               3                                                                                                   SDA
       R-IN1                                                                                                  20
                                                                                                                   DIG_GND
                    100K
               2
       R-IN2
                    100K                                                                           SPKR ATT   26
                                     G                  VOLUME      TREBLE      BASS                               ROUT
                                                                                                    RIGHT
               1
       R-IN3                                                                                         VREF
                    100K
                                                                                                              24
               28                                                                                                  VS
       R-IN4               INPUT MULTIPLEXER                                                       SUPPLY     25
                                                                                         RB                        AGND
                    100K         +GAIN

                                                   10      11            19        12         13       23
                                               MUXOUTR INR         TREBLE(R)    BIN(R)    BOUT(R) CREF         D98AU883




                                                          - 30 -
I STK411-230E




                - 31 -
I TDA7296


                                          BOOTSTRAP




                                                                             BOOTSTRAP




IN+

                                                                             OUTPUT
IN+




           BJPQLAR         MQS GAIN &     MQS OUTPUT STAGE   SHORT CIRCUIT
      TRANSCONDUCTANCE   LEVEL SHIFTING                       PROTECTION
         INPUT STAGE         STAGE




ABSOLUTE MAXIMUM RATINGS

      Symbol         Parameter                                   Value         Unit
        Vss          Supply Voltage                                

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