Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood VHF FM Transceiver VHF FM Transceiver Kenwood TK-7108 B51-8592-10-SDP

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B51-8592-10-SDP


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                A                                                                                                                                B                                                                                                                                            C                                                                                                                                                                                             D                                                                                                                                                                                              E


    TK-7108 SCHEMATIC DIAGRAM /
               TX-RX UNIT (X57-6913-01)

1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       D403,404
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    RX VCO                                 C430
                                                                                                                                                                                                                                                                                                        Q402,403                                                                                                                                                                                         RX VCO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          R:6.5V                                                                   5p                                                     R:0.8V
                                                                                                                                                                                                                                                                                                      CHARGE PUMP                                                                                                                                                                                                                                                                                                                                           Q405
                                                                                   R403        1k                                                                                                                                                                                                                                                                                                                                                                                                  L406                          D404                                  C426                   L408                                                       2SK508NV(K52)                                                              C432
                                                                                                                                                                                                                                                                                                                                                                   R414
                                                                                   R402        1k                                                                                                                                                                                                                                                                                                                                                                                                   27u                     MA2S304                                                           27U                                                                                                                                   0.5p
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        27p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C427




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            L409
                                                                                                                                                                                                                                                                                                                                                                                              C417




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      L410
                                                                                                                                                                                                                                                                                                                                                                   470                                                                                                    CV




                                                                                                                                                                                                                                                                                                   C416
                                                                                                                                                                                                                                                   VOTAGE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          27u
                                                                                                                                                                                                                                                                                                                                                                                                      1000p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 27u
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         8p
                                                                                                                                                                                                                                                                                                                           R411
                                                                                               1k




                                                                                                                                                                                                                                                                                                               1000p
                                                                                   R401




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       MA2S304
                                                                                                                                                                                                                                                   DROPPED




                                                                                                                                                                                                                                                                                                                                       5.6k




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C431
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           D403




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  C429
                                                                                                                                                                                                                                                                                                                                                                                                                                                          R422




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     L407

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    27u




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   1p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     5p
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    10k
                                                                                                                                                                                                                                                          D402                   R410




                                                                                                       C401




                                                                                                                                        C403
                                                                                                                     C402




                                                                                                                                                 100p
                                                                                                                     100p


                                                                                                                                100p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TC401




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C428




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     R423
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           470p
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          10p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 220
                                                                                                                                                                                                                                                                                                           Q402
                                                                                                                                                                                                                                                  HZU5ALL 8.2k                                         2SA1832(GR)                                                                             R418            R419                           R421                  L405
                                                                                           TCXO                                                                                                                                                                                                           Q403                                                                                                                                                                                CV
                                                                                                                                                                                                                                                                                                                                                                                                 1k                 1k                     1.5k                                                                                                                                                                                                        R429
                                                          1.6V                      X401             KDC              4.9V                                                                                                                                                       R412                  2SC4738(GR)




                                                                                                                                                                                                                                                                                                                                                                                                                             R420
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Q407




                                                                                                                                                                                                                                                                                                                                                                                                                                           2.7k
                                                                                                                                                                                                                                                                                 10k                                                                                                                                                                                                                                                                                                                                                                     100




                                                                                                                                                                                                                                                                                                                           R413
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2SJ243




                                                                                                                                                          20

                                                                                                                                                                   19

                                                                                                                                                                          18
                                                                                                                                                                                       17

                                                                                                                                                                                               16

                                                                                                                                                                                                      15
                                                                                                                                                                                                             14

                                                                                                                                                                                                                    13

                                                                                                                                                                                                                              12

                                                                                                                                                                                                                                         11




                                                                                                                                                                                                                                                                                                                                                                                                                0.047u35
                                                                                                                                                                                                                                                                                                                                                                                                      C423
                                                                                                                                                                                                                                                                                                                                       10k




                                                                                                                                                                                                                                                                                                                                                                                                                                                          C425

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    0.1u35
                                                                                   VC                5C




                                                                                                                                                                                                                                                                                                                                                                  C422

                                                                                                                                                                                                                                                                                                                                                                               470p
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R430                                                                                                               T/R SW
                                                                                                                                                                                                                                                                          PLL IC




                                                                                                                                                           R
                                                                                                                                                                    NC5

                                                                                                                                                                              P

                                                                                                                                                                                        FOUT

                                                                                                                                                                                                NC4
                                                                                                                                                                                                       FC

                                                                                                                                                                                                              LE

                                                                                                                                                                                                                       DATA

                                                                                                                                                                                                                                   NC3
                                                                                                                                                                                                                                            CLK
                                                                 C404




                                                                                                                                                                                                                                                                                                                                                                                                                             C424
                                                                          15u6.3




                                                                                      16.8MHz




                                                                                                                                                                                                                                                                                                                                                                                                                                           1u16




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R431


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C448

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          470p
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        D405,406                                                                                               100




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    100k
                                                                                                                                 L92-0443-05
                                                                                                                                                                                                                                                                           IC401                                                                                                                                                                                                                                                                                                                                                                         C439




                                                                                                                                     L401
                                                                                   GND         XOUT                                                                                                                                                                                                                                                                                                                                                                                                      TX VCO




                                                                                                                                                                              OSCOUT
                                                                                                                                                                                                                                                                          MB15A02                                                                                                                                                                                                                                                                                                                                                                         6p




                                                                                                                                                           OSCIN
                                                                                                                                                                                                                                                                  PLL SYNTHESIZER                                                                                                                                                                                                                                                                                                                       T:6.4V                                                                                                              T:1.1V
                                                                                                                                                                                                                                                                                                                                       RF AMP                                                                                                                                                                                                                                L413                                                                              Q406




                                                                                                                                                                                                              GND
                                                                                                                                                                                                VCC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      D406                             C434




                                                                                                                                                                    NC1




                                                                                                                                                                                                                                   NC2
                                                                                     L77-1868-15




                                                                                                                                                                                                                                            FIN
                                                                                                                                                                                                       DO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2SK508NV(K52)




                                                                                                                                                                                        VP




                                                                                                                                                                                                                       LD
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  L411               MA2S304                           470p                   39n                                                                                                                                                      C441
                                                                  R405
                                         R404




                                                                                                                                                                                                                                                                                                   6.9V
                                                         10k




                                                                                                                                                                                                                                                                                                                           Q404
                                                                          0




                                                                                                                                                                                                                                                                                                                                                                                                           0.7V




                                                                                                                                                          1

                                                                                                                                                                   2

                                                                                                                                                                          3

                                                                                                                                                                                       4
                                                                                                                                                                                               5

                                                                                                                                                                                                      6

                                                                                                                                                                                                             7
                                                                                                                                                                                                                    8

                                                                                                                                                                                                                               9
                                                                                                                      L403                                                                                                                                         C418                     R415                       2SC4649(N,P)                                                                                                                                                                 27u




                                                                                                                                                                                                                                          10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       0.5p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C436
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     C435




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            L414




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          L415
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              10p



                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                0.5p


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           4.7u




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   4.7u
                                                                                                                                                                                                      C411




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       MA2S304
                                                                                                                       10u                                                                                                                                       1000p                        0




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           D405




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C440
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           L412
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         TX VCO




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       27u




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           7p
2                                                                                                                                                       4.8V                      C412                0.1u




                                                                                                                                                                                                                                                                                                                                                         R417
                                                                                                                              C408




                                                                                                                                                                                                                                                                                                                                                                    220k
                                                                                                                                        22p




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                MA360
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C437
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     



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