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internal block diagram of ics


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5. INTERNAL BLOCK DIAGRAM of Ics
IC101 DBL 1018 (LA 1140)

                                                                                                         IF     Quad       V
                                          vcc                                                            Out    In         ref

                                             12                                                          9      11          13



                                 VOLTAGE
                                 REGULATOR                                                                                                      AFC
                                                                                                                                                CLAMF              7 AFC




   IF Input   1     1st          2nd              3rd       4th        5th             6th         OUAD                 OUADRATURE
                    Amp          Amp              Amp       Amp        Amp             Amp         LIMITER              DETECTOR
              2
      Bias
              3

                                                                                                                                                AF                   AF
                                                                                                                                                                   8 Output
                                                                                                                                                MUTE
                                                                                                                                                Amp                5 Mute
                        LEVEL                     LEVEL                LEVEL                                 HOLE     DC LEVEL                                       Attenuation
                                                                                             INVERTER                                                                Adjust
                        DETECTOR                  DETECTOR             DETECTOR                              DETECTOR DETETOR


      GND     4
                                                                        SIGNAL
                             AGC                                                                               MUTE
                                                                        METER
                             DRIVE                                                                             DRIVE
                                                                        DRIVE


                        16                                                   15                                 14               10              6
                     AGC                                                  Signal                                Mute             GND            Mute
                                                                          Meter                                 Drive                           Input
                                                                          Output




IC201 DBL 1019 (LA1135)

                  Local OSC          Local          Local       IF            Signal           Signal                     Detector                      Detector
                  Butter Out         OSC2           OSC1        AGC          Meter Out        Meter In         V            Out         GND                In
                                                                                                                CC
                     20              19             18            17              16               15           14          13           12               11




                                                                                                                                           IF
                                                                                                                                        DETECTOR
                  LOCAL
                                          LOCAL                IF                      SIGNAL
                  OSC
                                          OSC                  AGC                     METER
                  BUFFER



                                ALC


                              RF DETECTOR




                                                                                                                                              IF
                  RF                                ATTENUATOR                                      MIX
                                 RF                                           RF                                                             AMP
                  AGC                                 DRIVER
                                AMP2                                         AMP2




                    1                2              3             4            5               6               7             8           9                10
                  RFAGC         RFAmp2             RF       ANT Damping       GND         MIX in &             MIX         VCC         IF Amp           IF Amp
                   Out            In               AGC         Driver                    RF AMP1 In            Out                        In              Out




                                                                                   - 11 -
  IC301 KIA6043S
                                                                     L.P.F-1                 VCO ADJUSTMENT




                                                          6.6V                            7.1V
                                                                    2                4


                             1    AF             PHASE                    DC
       INPUT                                     DETECTOR                                    VCO 76kHz               1/2                     1/2
                      3.5V
                                                                          19kHz<90



                                                 PILOT                           TRIGGER                       STEREO
                                                 DETECTOR                                                      SWITCH                        1/2


                                                                               19kHz<0
                                            STEREO                                                                         STABILZED
                                            DECODER                            38kHz                                       POWER SUPPLY

                                                 4V           4V              7.4V
                                            8             9               7                         6                      5                        3
                                  LEFT                        RIGHT           L.P.F-2                                           GND
                                                                                                                                0V                      8V
                                                                                             SW2



                                                                                                         LED
                                                                    SW1                      COUNTER
                                                                                             38kHz CHECK                                                V
                                                OUTPUT                                                                                                   CC
                                                                                        FC
                                                                                                                     SW1 VCO STOP SWITCH
                                                                                                                     SW2 38kHz MONITOR SWITCH


  IC401 KIC9256P

                                                                                                                    VDD                     GND
                         FM L                                                                                        9                       12
                                                                   PSC
                AMP
     FM IN 11            1/2             2 MODULUS                      4 bit SWALLOW                          POWER ON
                                         PRESCALER                         COUNTER                               RESET
                         FMS       HF                                                                                      RESET
     AM IN 10
                                                                                                                               COMPARATOR




                                                                         12 bit PROGRAMMABLE COUNTER                                               TRI-STATE        15 DO1
                                            FM        MODE LF                                                                                       BUFFER
                                                                                                                                 PHASE




                                                                                          12
                                                                           4
       XT   2           OSC
                                                      REFERENCE COUNTER                                                                            TRI-STATE
                        CIRCUIT                                                                                MAX                                  BUFFER          16 DO2
       XT                                                                                          15                                                                   (DO2/OT-4)
            1
                                            1mS OSC                                                                  4                               OT4
                                                                     24bit REGISTER                                        UNLOCK


     DATA 5
                                                                                                                                                         1/0 PORT




                                                                                                                                       5                                1/0-5/CLK
                                                                   24bit SHIFT REGISTER
    CLOCK   4                                         8                                                                                                                 1/0-6
                                                              TEST                                              5
                                                ADDRESS
                                                                                     24             22
                                                DECODER
   PERIOD 3                                                                                             10
                                                                     24bit REGISTER                                                                                 13 1/0-9 IFIN2
                                                                                                                                                                        (1/0-6 IF IN2 )
                                                      4              4                                                                                      AMP
                                                                                 20bit BINARY COUNTER                                                                   1/0-8 IF
                                                                                                                                                                               IN1
                                                                                                                                                                    14 (1/0-5 IF
                                            OUTPUT PORT                       UNIVERSAL COUNTER CONTROL
                                                                                                                                                            AMP                  IN1 )
                                                                                                                                     GATE
                                                                                                                                                                        1/0-7 SC IN
                                                                   OT-4
                                                                                     XT             1mS
                                           6      7   8
                                          OT-1 OT-2 OT-3 OT-4


Note: Mark terminals are not existence in KIC9256P, KIC9256F
      Terminal name of KIC9256P, KIC9256F is shown in parentheses.
      Others are common terminals.


                                                                              - 12 -
IC402   PD789104GS-204




                         - 13 -
IC501 LA3160

                                                                     NF
                                                                       2



                                           C1                R3                 R5                       4
                                                                                                        VCC
                                                                  TR1
                                           R1                                          TR4
                                                       R2
                                                                  TR2          C1
                                                                                                        OUTPUT
                                      1           D2                                             TR5    3
                                   INPUT                          TR3                  R6        R7
                                                  D3               R4                            R8     5

                                                  D7               R12                           R16    GND
                                   INPUT                          TR8                  R14       R15    5
                                                  D6
                                                                TR7            C2                TR10   OUTPUT
                                                     R10                               TR9
                                                R9
                                                               TR6
                                                  D5        R11                        R13

                                                                        7
                                                                        NF


IC601 PT2313L

                                    LOUT    LIN      LOUD_L BOUT_L             BIN_L     TREB_L
                                    17      16        12     19                 18         4

                                                                                                                 Speaker
                                                                                                                 ATT

                                                                                                                                   25 LFOUT
          LIN1
LIN1 15                                                                   RB
                                                                                                                 Mute
          LIN2
LIN2 14                                                                                                                  Speaker
          LIN3                              Voume &                                                                      ATT
LIN3 13                                                                 Bass             Treble
                         Input              Loudness
                                                                                                                                   23 LROUT
                        Selector
                                                                                                                        Mute
          RIN3
                        & Gain
RIN3 9
          RIN2                                              Serial Bus Decoder & Latches                                           28 CLK
                        Control
RIN2 10
          RIN1                                                                                                                     27 DATA
RIN1 11                                                                                                                            26 DGND

                                                                                                                        Speaker
                                                                                                                        ATT
                                             Voume
                                                                        Bass             Treble
                                               &
                                                                                                                                   24 RFOUT
                                            Loudness
                                                                                                                     Mute

                                                                         RB                                   Speaker
                                                                                                              ATT

                                                                                                                                   22 RROUT
                 Supply

                                                                                                              Mute
           2        3         1      7      6           8          21           20           5
          VDD     AGND REF         ROUT     RIN      LOUD       BOUT_R         BIN_R    TREB_R


                                                                    - 14 -
IC801 TDA8571J
                                        MODE                VP1        VP2                VP3         VP4


                                             15                   1          8               16             23


                                10
                     IN1                                                    +
                                                                                                                  2
                                                                                                                         OUT1+
                                                                             -
                                                          30 K



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