Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV BEKO chassis TELRA BEKO chassis TELRA

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BEKO chassis TELRA


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            COMPL. BLOCK DIAGRAM
                                                                                                       OSD OUT
                                                                                                                  IDENT                                                                                                                                                                           BLOCK DIAGRAM
                                                                                                       R G B FB H V
                                                                                                                                             AFT                                           IF                                                           AFT
                                                                                            SDA                                                                                         38.9MHz                                                                                     VOLUME CONTROL
                                                        E 2 ROM                                        TUNING SYSTEM                                                 TUNER                                          SAW FILTER                                                       + AUDIO SWITCH                                         SOUND
                                                        PCF85C                                           PCA84C640                                                 ECC2885CED                                       OFWG1962                              PIF                              +SIF                                              OUT
                                                                                            SCL                                               BI, BIII, BU
                                                         81/82                                             (NICOM)                           AND TUNING            VOLT. SYNT.                                         F1044                            TDA8341                          TDA3827
                                                                                                                                              CONTROL                                                                 SCF154
                                                                                                                                                                                                                                                                                                                +12V                       TDA1905                        LS.
                                                        KEYBOARD                                                     +12V  +5V                                                +12V                                                                          +12V                                                                                                          8 OHM
                                                                                                   8                                                                                                                     AGC CONTROL                                                                             390R
                                                                                                                    FROM FROM                            ANTEN
                                                                                                                    LM317 LM7805                         TERMINAL




                                                                                                                                                                                                                                                                     CVBS
                                                                                                                                                         75 OHM IEC
                                                        R/C                                               INFRARED                                                                                                                                                                                      +17V
                                                        HAND LIMIT                                         PREAMP




                                                                                                                                                                                                                                                                                         A/V SWITCH
                                                                                                                                                                                                                         LUMA                     +12V      VIDEO                                                                  TO VIDEO




                                                                                                                                                                                                                                                                                         VOLTAGE
                                                                                                                                             R                                                          LUM
                                                                                            VIDEO                                                                                                                        DELAY                             SWITCH                                                                   OUTPUT
                                                                                                                                             G           COLOUR DECODER                                                  390ns                       CVBS TEA2014A
                                                                                                                                                                                                                                                                                                                                     STAGE
                                                                                        OUTPUT STAGE
                                                                                                                                             B             TDA8217 (FAL)
                                                                                          3 x BF393                                                                                                                                                                                                                                 R G B FB                     TO SSC
                                                                                                                                                                                                        CHR              CHROMA                                                                            AUDIO
                                                                                                                                                                                                                          FILTER                     A/V                                                     OUT
                                                                                                       +12V +170V                                                                                                                                    SWITCHING                                                                                           R
                                                                                                                                                                                                                                                     VOLTAGE




                                                                                                                                                                                                                                                                                                                                                                        NICOM
                                                                                                                                                                                                                                                                                                                                                         G




                                                                                                                                                                                                                                                                                                                                                                        FROM
                                                                                                                                                                                                                                                     FROM                                                                             R/G/B
                                                                                                                             OSD OUT                                                                                                                 NICOM                                                                           SWITCH              B
                                                                                                                                                                                 LUM                  CHR
                                                                                                                                                                                                                                                                                                                                    TEA5114A             FB
                                                                                                                                                                                                                                                                                  EXTERNAL
                                                        YOKE                                                                                                                        SECAM                                                                                         VID. IN
                                                                                                                                                                                                                         CVBS
                                                                                                                                                                                 TRANSMITTER




                                                                                                                                                                                                                                                                                                                                           FB
                                                                                                                                                                                                                                                                                                                                       G
                                                                                                                                                                                                                                                                                                                                   R


                                                                                                                                                                                                                                                                                                                                           B
                                                                                                                                                                                   TDA3392A
                                                                                                                                                                                                                                                                                                                  21 PIN
                                                                                                                                                                                     SSC + FB                                                                                A/V
                                                                      HORIZONTAL OUT                                 HOR. OUT                                                                                                                                                                                     SCART CONNECTOR
                                                                                                                                                                                                                                       H/V PROCESSOR                         SWITCHING
                                                                                                                     BU808DFI                                            VERTICAL OUT                                                     + VERTICAL
                                              HIGH VOLTAGE                                                                                                                                                          SSC                OUTPUT STAGE
                                                                                                                                                                                                                                            TDA8215
                                                                FOCUS                                                                                              SSC + FB                                                                                                      VIDEO
                                                                   UG2                            FBT                                                            +5V                                        F3                                                IDENT                  IN
                                                                                                                                                                                     +5V                                                                      TO NICOM
                                                               HEATER                                                                                         REGULATOR
                                                                 +170V                                                                                                                                                                 H         V            AND TXT    IDENT                                                                   +17V
                                                                                                                                                                LM7805
                                                                                                                                                                                                                                                                             R       TELETEXT                                                    +12V
                                                                                                                                                  100R




                  220V AC                                                                                                                                    ST/BY CONTROL                                                  TO TUNING NICOM                                  G




                                                                                                                                                                                                                                                                                                                                                             NICOM
                                                                                         +105V




                                                                                                                                                                                                                                                                                                                                                             FROM
                                                        FU 4A                                                  +19V                                                                                                                                                                                                                              SDA
                                                                                                                                                           FROM TUNING SYSTEM                                                                                                B         BOARD
                                                                                                 SMPS                                                                                                                                                                       FB                                                                   SCL
                                                                                                                        AUDIO
                                                                                                TEA2019                                                                                                                                                                CONNECTED
                                                                                                               +17V                                              +12V                                                                                                  PARALLEL
                                                                                                               TELETEXT                                       REGULATOR                                                                                                WITH OSD OUT
                                                                                                               SUPPLY                        +17V               LM317                +12V
                                                                                                                                                                                                                            +12V
                                                                                                                                                                                                                                   GND




                                                                                                                                                                                                                                                                                                                        FB
                                                                                                                                                                                                                                                                                                      G
                                                                                                                                                                                                                                                                                         R


                                                                                                                                                                                                                                                                                                            B
                C28
                270p
                                                                                                                                                                                                                                           CN05B                                                                                   CN01
                                                                                                                                                                                                                         +12V




                                                                                                                                                                                                                                                                                                  D12




                                                                                                                                                                                                                                                            +5V                                                        D11    4x1N4148
                                                   28 26                                27 23 22 21 20 14 19 18 17 16 15                                                                                                                                               P01        R23
                                                                                                                                                                                                                                                                                                                D13


                                                                                                                                                                                                                                                                                                                             D08
                                                                                                                                                                                                                                          IC06                         10k        3.3k
                                                                                                                                                                                                                                   1                    3
                                                                                                IC03 LH51640-10L                                                                                                                         LM7805
                                                                                                                                                                                                                                             2                                                                                                           +5V
                                                                                                   8K8 STATIC RAM                                                                                                                                                           R24                                                                                         C07
                                                                                                                                                                                                                                                               C05          470                                                                                         100n
                                                        2        24 25                      3      4     5      6            7         8     9       10 11 12 13                                                                                               100



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