Service Manuals, User Guides, Schematic Diagrams or docs for : LG DVD V161 smps_with_ice3b0565_178

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
smps_with_ice3b0565_178


>> Download smps_with_ice3b0565_178 documenatation <<

Text preview - extract from the document
CIRCUIT DIAGRAMS                                                                                                                    IMPORTANT SAFETY NOTICE
                                                                                                                                     WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
                                                                                                                                                                                    COMPONENTS ARE SHADED ON THE SCHEMATIC NOTE :
                                                                                                                                                                                    FOR EASY IDENTIFICATION.
                                                                                                                                                                                     THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF-
                                                                                                                                                                                                                                 1. Shaded( ) parts are critical for safety. Replace only
                                                                                                                                                                                                                                    with specified part number.
                                                                                                                                    CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
1. POWER(SMPS) CIRCUIT DIAGRAM                                                                                                      MODIFIED OR ALTERED WITHOUT PERMISSION
                                                                                                                                                                                    FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
                                                                                                                                                                                    IMPLEMENTATION OF THE LATEST SAFETY AND
                                                                                                                                                                                                                                 2. Voltages are DC-measured with a digital voltmeter
                                                                                                                                                                                                                                    during Play mode.
                                                                                                                                    FROM THE LG CORPORATION. ALL COMPONENTS         PERFORMANCE IMPROVEMENT CHANGES INTO
                                                                                                                                    SHOULD BE REPLACED ONLY WITH TYPES IDENTI-      THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
                                                                                                                                    CAL TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL   LITERATURE IS PRINTED.




                                                                                                                                                                                                                  FROM/TO Hi-Fi




                                                                                                OPTIONAL PART



                                                   NOTE)   Warning
  NOTES)   Symbol denotes AC ground.               NOTE)   Parts that are shaded are critical
  NOTES)   Symbol denotes DC chassis ground.       NOTE)   With respect to risk of fire or
                                                   NOTE)   electricial shock.


     A                    B                    C                  D                        E    F        G      H    I     J   K           L              M               N                 O                P                Q                R                 S                T



                                                                                                                    3-29           3-30
2. TU/IF CIRCUIT DIAGRAM




         EE MODE(VIDEO)
         TU MODE (AUDIO)

    A      B       C       D   E   F   G   H    I     J   K          L   M   N   O   P   Q   R   S   T



                                               3-31           3-32
3. A/V CIRCUIT DIAGRAM

                                                                                                                     IC301 Pin 69, 68 are defective.
                                                         IC301 Pin70 is defective.
                                                                                           Q305 is defective.          PB and Recording is failed.
                                                       PB COLOR Signal disappear.                                       (IC301 doesn't operate.)
                                                                                     EE, PB Screen doesn't appear.
                                            D301or IC301 Pin 80
                                             REC is defective.




                                                                                                                 9   3
                                                                                                                         6
                                                                                                 1                                                              2   2

                                                                                                                                                                               2



               IC301 Pin 84 is defective.
                Audio Tracking is failed.
                                                                                                               14 10
                                                                                                                                                                                   7




                                                         4




                                                                    5
                                                                                                                                                                    8 13
                                                                                                                                                 11        12



                                                                                                                                                                        X301 is defective.
                                                                                                                                                                    PB COLOR Signal disappear.




                         Q302, Q303, Q314
                           are defective.                                   Q306 is defective.
                        No mono Audio Signal
                           in PB MODE.                              Normal Audio signal is not recorded.

        PB Y+C                              REC Y+C                     REC AUDIO

        PB Y                                REC Y                       PB AUDIO(MONO)

        PB C                                REC C                          WAVEFORM
        PB SECAM COLOR                      REC SECAM COLOR

    A                   B                   C                D            E              F                 G             H              I              J        K          L              M      N   O   P   Q   R   S   T



                                                                                                                                      3-33                          3-34
4. Hi-Fi CIRCUIT DIAGRAM




                                                                               IC801 Pins42, 43 aredefective.
                                                                               All Audio is not appear.



                               44 Pin is defective.
                               Hi-Fi Audio is not appear.




         PB
         REC

    A         B   C        D           E                F   G   H    I     J              K                L    M   N   O   P   Q   R   S   T



                                                                    3-35                          3-36
5. SCART(JACK) CIRCUIT DIAGRAM




    A     B      C     D         E   F   G   H    I     J   K          L   M   N   O   P   Q   R   S   T



                                                 3-37           3-38
6. SYSTEM CIRCUIT DIAGRAM



                                                                                           LED will not operate.
                                                                                         Q506, Q507 are defective.




                                                                                                                                 3



                                                                                                                             4




                                                                                                                             6

  Deck will not operate.                                                                                                     5

   R575, R576, R577,
   R578 are defective.                                                                               MN101D10F




                                                                                     1

                                                                                     2                                   8           7




                                                                                                                                                                                  



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo