Service Manuals, User Guides, Schematic Diagrams or docs for : AIWA TV AIWA-VX-T147

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AIWA-VX-T147


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    A                                     B                                                                       C                                                                                                                                                                                    D                                                                                                                                                                              E                                                                                                                                              F                                          G                                      H


                                                                                                                               AIWA VX-T147 HEAD AMP SCHEMATIC DIAGRAM
8                                                                                                                                                                                                                                                                                                                      (HEAD AMP PCB)                                                                                                                                                                                                                                                                                                                                                                                                8




                                                                                                                                                                                                                                                                                                                                                                                   4
                                                                                                                                                                                                                                                                                                                                                                                                  3
                                                                                                                                                                                                                                                                                                                                                                                                            2
                                                                                                                                                                                                                                                                                                                                                                                                                        1
                                                                                                                                                                                                                                                                                                                                                                  52492-0420
                                                                                                                                                                                                                                                                                                                           FROM TO CYL

                                                                                                                                                                                                                                                                                                                                                    CP4101_2


                                                                                                                                                                                                                                                                                                                                                                                   CH1(R)F


                                                                                                                                                                                                                                                                                                                                                                                                            CH2(L)F
                                                                                                                                                                                                                                                                                                                                                                                                  CH1/2 S
                                                                                                                                                                                                                                                                                                                                                                                                                         NC




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           15P CH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C4104
7                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    7



                                                                                                                                                                                                                                                                                                                                                                                                                                                   C4119




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                0.01 B
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     C4110
                                                                                                                                                                                                                                                                                                                                                                                                                                               33P CH

                                                                                                                                                                                                                                                                                                                                                                                                                                                        C4120




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      R4111
                                                                                                                                                                                                                                                                                                                                                                                                                                               33P CH




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                0.001 B


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     0.001 B




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                20K
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C4115


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 C4114




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               0.001 B


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          0.001 B
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  C4113


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C4112
6                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    6
                                                                                         46
                                                                                                                                                         44
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
                                                                                                                                                                                                                                          45

                                                  NC     NC    0       0    0.7 2.16       0    0.7    2.1 4.99 NC    0    0.9
                                              0.2    0.2                                                                                                                                                                                                                               44                                                                                                                                                                                                                                                                                                                                                              NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
                                                  24     23     22      21     20     19    18      17    16    15     14      13
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP




                                                                                                                                                      REC ON




                                                                                                                                                                                                         REC ON




                                                                                                                                                                                                                                                            REC ON
                                                                                                                                                      PB OFF
                                                    EP/SP




                                                                                     REC ON




                                                                                                                                                                                                         PB OFF




                                                                                                                                                                                                                                                            PB OFF
                                                                                                                               REC ON
                                                                                     PB OFF
                                                                                                               VCC2




                                                                                                                               PB OFF
                                                     EP                     A1                  A1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           IS NON POLAR ONE.




                                                                                                                                                                                                                                                                             LA7411M
                                                    (LP)               VCC A2               VCC A2




                                                                                                                                                                                                                                                                          HEAD AMP
                                                1.5                                      HL                   REC
                                                     SP                                                       CURRENT AMP
                                                       SW 30 REC MUTE               SW30
                                                                                                BUF      AGC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           NOTE: THE DC VOLTAGE AT EACH PART WAS




                                                                                                                                                                                                                                      1K
                                                                ON       REC/PB                                           5K
                                                          H CH     3.2            ENVELOPE PB                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                MEASURED WITH THE DIGITAL TESTER




                                                                                                                                                                                                                                                                         IC4101_2
                                                                           REC                                     AGC H.SYNC




                                                                                                                                                                                                BUF
                                                     1.0       OFF 2.0 PB         DET          REC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           DURING PLAYBACK
5                                                         L CH                                                     DET                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               5
                                                     1         2              3                    4              5                           6                         7                   8                9                10                 11          12
                                               5.0       1.2       0.2                         0           0.45                           0                 2.2                      1.1                 0          2.9                    5.0        5.0
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             L4101                     NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
                                                                                                                                                                                                                                                      43
                                                                   39                    40                                                                                       41              42                                                                                                                                                                                                                                                                                                                                                                                          R4109                                                          OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            100uH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               1.5K




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             6.3V 220 KA
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            0.01 B
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C4127




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              C4107
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          F
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  C4106

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                FROM/TO CYL




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C4108

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            F
4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    CP4102_1                                        4




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      52492-0520
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          CYL_PG-A                                   CYL PG          1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          CYL+B-A                                    CYL +B          2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          CYL_FG-A                                   CYL FG          3




                                                                                                                                                                                                                                                                                                                                                    R4113

                                                                                                                                                                                                                                                                                                                                                                       330
                                                                                                                                                                                                                                                      W801
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           GND_B                                    CYL GND
                                                                                                                                                                                                                                                               0                                                                                                                                                                                                                                                                                                                                                                                                                                     4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         CYL_DRIVE_A
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                CYL DRIVE            5




                                                                                                                                                                                                                                                                                                                                                    2.2
                                                                                                                                                                                                                                                                                                                                                                                                               R4104
        FROM/TO CAPSTAN DD UNIT                                                                                                                                                                                                                                                                                        5.0                                                     1.6                                    1.5K
3                                                                                                                                                                                                                                                                                                                   BUFFER                                                                                                                                                                                                                                                                                                                                                                                                           3
                                                                                                                                                                                                                                                                                                                     Q4101
                                                                                                                                                                                                                                                                                                                   2SC2412K
                                                                                                                                                                                                                                                                                                                                                                                10P CH
              CP4105
                                                                                                                                                                                                                                                                                                                                                               C4103
            TKC-F09X-L1
        1   CAP-M F/R
        2       GND
        3       VCO                                                                                                                                                                                                                                                                                                                                                                                                   120K

                                                                                                                                                                                                                                                                                                                                                                                                                                      R4103
                                                                                                                                                                                                                                                                                                                                         0.33 F




        4       CTL


                                                                                                                                                                                                                                                                                                                                                                                                                                                        1K
                                                                                                                                                                                                                                                                                                                   C4105




                                                                                                                                                                                                                                                                                                                                                                                                                      R4102

        5    MOTOR GND
        6       VCC
        7        FG
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    FROM/TO A/C HEAD
        8     I LIMIT
        9      V.REF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        CP4106
2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        177640-6
        TO LOADING MOTOR          C4102
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1       AUDIO PB
                                  0.1 B
        1       LDM+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2       AUDIO REC         CAPSTAN AFC SIGNAL
        2       LDM-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            3          CTL+
                                                                                                                         CYL_DRIVE_A




        CD4102 8283_0212_00_000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          RECORD LUMINANCE SIGNAL
                                                                                                                                                                               CYL_PG-A
                                                                                                                                                      CYL_FG-A




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                4             CTL-
                                                                                                                                          GND_B


                                                                                                                                                                   CYL+B-A




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                5       AE HEAD(-)       PLAYBACK LUMINANCE SIGNAL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                6       AE HEAD(+)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         RECORD COLOR SIGNAL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         PLAYBACK COLOR SIGNAL
                                                                                                                                                                                            NC                                                                                                                                                                                                    NC                                                                   NC NC                                                      NC NC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         AUDIO SIGNAL(REC)
                                                                                                                                                                                                                                                                                                                                                                                                                                 V.REC ST-H




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         AUDIO SIGNAL(PB)
                                                                                                                                                                                                                  MOTOR GND




                                                                                                                                                                                                                                                                                                                                                                                   PB Y/C,REC-C




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     AE HEAD(+)
                                                                                                                              CYL DRIVE




                                                                                                                                                                                                                              CAP-M_F/R




                                                                                                                                                                                                                                                                                                       AUDIO REC




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        AE HEAD(-)




1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1
                                                                                                                                            CYL GND




                                                                                                                                                                                                                                                                                                                                          FROM/TO Y/C
                                                                        FROM/TO SYSCON




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          P.CON 5V
                                                                                                                                                              



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