Service Manuals, User Guides, Schematic Diagrams or docs for : LG 1BEKO Circuit diagram 12.3 Stereo 7KY_820

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           12.3 CTV CHASSIS




7KY .820
                                                                                                                                                                                                                                                                                                                                                                                                                                                           SK101
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R159                   R160                                                                                                                              X315
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2
                                                                                                                                                                                                                                                                                                                                                                                                                                L108                                                                                                                330R                   100R                                                                                                                                                         MSP_RES
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        IC316
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    STEREO MODULE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   3
                                                                                                                                                                                                                                                                                                                                                                                                                                3.3uH                                                                                                                                     C150                   C151                                                                                                                                        STBY/MUTE
                                                   T100                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     IC315                                                                                                                                               1                                                 64                                     C352
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1nF                    1nF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       4
                                                   TUNER                                                                                                                                                                                                     15                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           AUD_CLO                        NC7                                                 1.5pF
                                                                                                                                                                                                                                      GND4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                3       SCL                                                                       78L05




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   5
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        L316
                                                                                                                                                                                                                                                             14                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 2                                                 63




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       6
                                                                                                                                                                                                                                      GND3                                                                                                                                                                                   B_SCRT                                                                                                                 R161                   R162                                                                                                                                                                                                                        IN           OUT                                                                                                                                                   NC1              XTAL_OUT                                        Q315
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          4       SDA




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   7
                                                                                                                                                                                                                                                             13                                                                                                    STA T1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               10uH
                                                                                                                                                                                                                                      GND2                                                                                                                                                                               C148                                                                                     R163                                                                                                                                                                                                                                                                                      GND                                                                                                                                                 3                                                 62                                     C353




                                                                                                                                                                                                                                                                                                                                                                                                                                                                        8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    330R                   100R                                                                                                                                                          L320                                                                                                                                                                                                        C342                 NC2                  XTAL_IN                                                       1.5pF
                                                                                                                                                                                                                                                             12                                                                                                                                                          220p                                                                                     75R                                                                                                                                                                                                     5




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   9
                                                                                                                                                                                                                                      GND1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C152                  C153                                                                                                                                    2.2uH                                                                                                                                                                                                                 4                                                  61              18.432MHz
                                                                                                                                                                                                                                                                                                                                                                                                                             G_SCRT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   C343                                DCTROUT1               TESTEN                C354                                                                                                                                                                                                                                                                                                                                                +13V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          6                                                                                                                                                                                                                                2.2nF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   11
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1nF                    1nF                                                                                                                                    +13V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 STBY/MUTE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               5                                                  60                                C395                                                                                                                                                                                                                                                              C373




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       12
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          DCTRO0             ANA_IN2+                                               100p                                                                                                                                                                                                    C336
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R164                                                                                                                                                                                           7                                                                                                                                                                                                                                                                                                      C355




                                                                                                                                                                                                         +33V
                                                                           AGC
                                                                                                                                                                                                                                                                                                            F401                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2.2uF / 16V




                                                                                                                                       SDA
                                                                                                                          SCL




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   13
                                                                                                                                                       +5V


                                                                                                                                                                    +5V


                                                                                                                                                                                         NC




                                                                                                                                                                                                                             IF1


                                                                                                                                                                                                                                            IF2
                     +5V C                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 75R                                             R165                                                                                                                                                                                                                                                       C344            C317                  C323             C346                                                               6                                                 59                                                                                                                                                                                                                                        1nF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       14
                                                                                                                                                                                                                                                                                                            T40.4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     2.2nF                               ADR_SEL               ANA_IN-                10nF                                         J309
                                                                                                                                                                                                                                                                                                                                                                                                                             R_SCRT                                                                                                                                                                                                                                                                                       8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C375                                                                                                                                                                    L319                                                                     X940                     47n/100V                              X941




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   15
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        -13V                                                                                                                                                                                                                                                                                            10nF
                                                 R436                                                                                                                                                                                                                                                                                                              F_BLSC                                                                                                                                                                                                  1K                                                                                                                                                                                                                                                     47uF                  47nF                 1nF               220pF                                                            7                                                 58                                            C357                                                                                                                                                                                                                                                                                                                               2.2uH                                                                                 3 R941                                                        3




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       16
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          STBYQ              ANA_IN1+                                                                      INTRC/QSS                                                                                                                                                                                        15                       17                                                                                                                                                                                                                      R943




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          12
                                                                         1


                                                                                          2


                                                                                                         3


                                                                                                                       4


                                                                                                                                     5


                                                                                                                                                      6


                                                                                                                                                                   7


                                                                                                                                                                                         8


                                                                                                                                                                                                        9


                                                                                                                                                                                                                       10


                                                                                                                                                                                                                                         11
                                                 2K7                                                                                                                                                                                                          IF2                                                                                                                            R152                                                                                                                 R166                                                                                                                                                                                                    9                                                                                                       16V                                                                                                                                                                                                                                                                                                                                                                               100nF                                                                                                                                                                                                                                                                                   C941
                                                                                                                                                                                                                                                                                                            F402                                                                                                                                                                                                                                                          C154                   C155                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C376                                                                                                                                              180R




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   17
                                                                                                                                                                                                                                                                                                                                                                                                                                         R153                                                                                                                                                                                                                                                                                                                                                          +8V A                                                                                                                                                                                                                                                    100pF                                                                                                                                                                                                       5                                                                                                                                                                                                                                                390R
                                                                                                                                                                                                                                                                                                            T40.4                                                                            75R                                                                                                                  75R                                                     220p                   470p                                              X102                                                                                                                                                                                                                                                                                                         8                                                 57                                                                                                                                                                                                                                                           IC317                                                       100nF                                                                                                                                         2                                                             2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       18
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          NC3                        AVSUP                                                                                                                                                                                                                                                                  9




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    HEADPHONE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            HEADPHONE JACK
                          AGC                                                                                                                                                                                                                                 IF1                                                                                                                                         CVBS_OUT_SC1                                                                                                                                                                                                                                                                                                    10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             12                                                                                                                                                                                                                                                                                                                                                                                      C345




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   19
                                                                                                                                                                                                                                                                                                                                                                                                                                         68R                                                                                                                                                                                                                                                                                             INTRC/QSS                                                                                                                                                                        R321 100R                                                                                                                           C356                                                                                                                                                                                                                                   16                                                                                                                                                                                  1 R940            C940                                        1
                                  R437                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          9                                                 56                 47uF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R942




                                                                                                                                                                                                                                                                                                                                                                                                                                                                       20
                                                                    C433                                                                                                                                                                                                             +33V                                                                                                                                                                                                                                                                                  R167                                                                                                                                                                                                                                                                                                                                                                                           SCL                          AVSS                                                   10nF                                                                                                                                          C383                       R329                                                          14                                                                                                                                                                                                                      390R
                                  39K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        11                                                                           11                                                                                                                                                                                                                                                                                                         16V                                                                                                                                                                                                                                                                                                     C381                                                     C387                                                                                   180R




                                                                                                                                                                                 

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