Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV 12.7 chassis beko_chassis_12.7_schematics

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beko_chassis_12.7_schematics


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          12.7 CTV CHASSIS
G70.820


                                                            155V
               CRT BOARD
                                                                        R728                        C702                                                                                                               X703                       CRT SOKET
                                                                     100k 1/2W                    10u/250V                                  D701
                                                                                                                                            1N4007                                                                                GND                                                                                                                                                                                                                                                                                                                                                                            TU101              TUNER
                                                                   155V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          15
                                                                                                                                                                                                                                                                     GND                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   GND4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 14                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C301
                                                            R710                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           GND3
                                                                                                                                                                                                  n.c.             4                                     12
                                                            15k                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  13




                                                                                                                                                                                R709
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           GND2




                                                                                                                                                                                           220R
                                                                                   8V_                                                                                                                                                                         11             BLUE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               12                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          10u/16V
                                                     T701                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  GND1
                                                                                                                                                                                                              5
                                                    BF422                                               D702              1N4148                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            IC301
                                                                                                                                                                                                G1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R302
                                                                                           R713                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1                                 16
                                                                                                                                                                                                                                                               10                  HT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               +INA             +INB




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                +33V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      AGC




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SDA
                                                                                           2.7k                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    IF1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 SCL




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 +5V


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                +5V
                                                  C701                                                                                                  R725




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   n.c.


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 n.c.




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  n.c.




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                IF1


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              IF2
                              R702                                                                                                                                                                                 6                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     IF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         15k
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          IF                                                                                                                                                                                                                                                                                                                                                        R310                                             T303                                                                   C304             2                                 15
                                                  47p                                                              C705                                 1.5K                                                                                             9                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            MUTE                                                                                                             R301                                         NC                NC
                             220R                                         C703              390p                                                                                                                                                                                                                                                                                                               8V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        MUTE                                                                       BC848B
                                                                                                                                            R714                                                                              7               8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       F401                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             4.7k
                                                                                                                                                                                                     GREEN                                                                                                                                                                   poza1                                                                                                                                                                                                                                                                                                                                                                                                                                     L404                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         1.8k                                                                                                                   2n2               3                                 14
                                                         R711                                                                1k                                                                                                                                     HT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                40.4MHz                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       -INA             -INB




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   1


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   2


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             3


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               4


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             5


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               6


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               7


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 8


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             9




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            11
                                                                                           R712                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C431                                                                                                                                              1uH
                                                         390R                              100R                    470p                                                                                                                           RED                                                                                                                        POZA                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   C303
                                           R707                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     R441                                                                         5V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          4                                 13
                                                                                                                                            T702                                                                       G2                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C432                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            GND              GND             10n
                                           220R                                                                                             BF421                                                                                                                                                                                                                                                                                                                                                                                                              SCL                                                                                                                                                                                                                                                                                                                                C438
                                                                   crt             crt                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  220R     22pF                               22pF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   68p                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       5                                 12
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R442                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        GND              GND
                                     Red




                                                                                                                                                                                                                                                                                                                                                                                                                      TEST1                                                                                                                                                                                                                                                                                                           L405                         C429
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               SDA                                                                                                                                                                                                 1nF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        12.5V
                      X701                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              220R                                                                          18uH                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                R305                                  T301                                                                         6                                 11                                                3
                                             R706               155V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                OUTA OUTB
                      RGB                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BC848B
                                                                                                                                                               R726                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   F102                                                          IC101                                                                                                                                                                                                                                                       12.5V




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             33V
             1                                                                                         D703           1N4148                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              10k                                                                                                                7                                 10      R306                                      2
                                             220R           R715                                                                                               1.5K                                                                                      G2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1                                                      4                                                                                                                                                                                                                                                                                                                                                     NC                NC                4R7
             2                                                                                                                                                                                           C712                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          IF                                                                                                                                                      C103




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                +33V
                                                             15k                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R436                    C435                                     C430                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R309
             3                 crt           R703                                                                                                                                                        2.2n                                                                                                                                                                                                                                                                                                                                                                                                                             



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