Service Manuals, User Guides, Schematic Diagrams or docs for : AIWA Video HV-FX710 7700 8200 GX930 935 955 hv-fx710_7700_8200_gx930_935_955

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hv-fx710_7700_8200_gx930_935_955


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                                             HV-FX8200                         K

                                             HV-FX7700                         K

                                             HV-FX710                          K

                                             HV-GX955                          K

                                             HV-GX935                          K

               HV-FX8200                     HV-GX930                          K




           HV-FX7700, FX710                            HV-GX955, GX935, GX930




   SERVICE MANUAL
STEREO VIDEO CASSETTE RECORDER
                  <8200/7700/710>
                                           BASIC VIDEO MECHANISM
                                           :D33K-4HF/PAL-HREW(6721R-0251A)<8200>
VIDEO CASSETTE RECORDER                    :D33K-4HF/PAL(6721R-0250A)<7700/710>
                  <955/935/930>            :D33K-2HD/NP-VCR(6721R-0205A)<955/935/930>




     This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
     (S/M Code No. 09-007-347-2T4).
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                           S/M Code No. 09-007-347-2R4
                                                                    TABLE OF CONTENTS
SPECIFICATIONS ............................................................ 3                  9. Head F/E ................................................................... 70
ACCESSORIES LIST ....................................................... 3                    10. Base Assembly A/C Head ........................................ 70
DISASSEMBLY INSTRUCTIONS ..................................... 4                              11. Brake Assembly S .................................................... 71
SERVICE POSITION ........................................................ 5                   12. Brake Assembly T .................................................... 71
VCR TEST TAPE INTERCHANGEABILITY TABLE ........ 6                                             13. Arm Assembly Tension ............................................. 71
ELECTRICAL MAIN PARTS LIST .............................. 7 ~ 9                               14. Reel S & Reel T ....................................................... 71
TRANSISTOR ILLUSTRATION ........................................ 9                            15. Support CST ............................................................ 72
WIRE HARNESS DIAGRAM .......................................... 10                            16. Base Assembly P4 ................................................... 72
BLOCK DIAGRAM ................................................. 11 ~ 22                       17. Opener Lid ............................................................... 72
SCHEMATIC DIAGRAM                                                                             18. Arm Assembly T/up .................................................. 72
 1. POWER/TUNER/NICAM <8200/7700/710> ...... 23 ~ 24                                          19. Arm Assembly Pinch ................................................ 72
 2. POWER/TUNER <955/935/930> ....................... 25 ~ 26                                 20. Belt Capstan/Motor Capstan .................................... 73
 3. AUDIO/VIDEO SECTION ................................... 29 ~ 30                           21.Clutch Assembly D33-K ............................................ 73
 4. Hi-Fi AUDIO/SCART <8200/7700/710> ............. 31 ~ 32                                   22. Lever F/R ................................................................. 73
 5. SCART <955/935/930> ...................................... 33 ~ 34                        23. Gear Assembly H-Up/D-K or
 6. SYSTEM CONTROL/SERVO                                                                          Gear Assembly Up/D-K ............................................ 73
    <8200/7700/710> ............................................... 35 ~ 36                   24. Bracket Assembly Jog .............................................. 74
 7. SYSTEM CONTROL/SERVO <955/935/930> ... 39 ~ 40                                            25. Guide Rack F/L, Gear Rack F/L ............................... 74
 8. KEY1 <8200/7700/710> ............................................. 47                     26. Brake Assembly Capstan ......................................... 74
 9. KEY1 <955/935/930> ................................................. 47                   27. Gear Drive/Gear Cam/Gear Connector ................... 75
 10. KEY2 <8200/7700/710> ........................................... 48                      28. Bracket Assembly L/D motor .................................... 75
 11. KEY2 <955/935/930> ............................................... 48                    29. Gear Sector .............................................................. 76
WAVEFORM                                                                                      30. Base Tension/Plate Slider/Lever Tension ................. 76
 AUDIO/VIDEO SECTION ............................................... 28                       31. Gear Assembly P3/Gear Assembly P2 .................... 77
 SYSTEM CONTROL/SERVO SECTION ....................... 38                                      32. Base Assembly P3/Base Assembly P2 .................... 77
VOLTAGE CHART                                                                                 33. Arm Assembly Idler or Arm assembly Idler Jog ........ 77
 1. POWER SECTION ..................................................... 25                   DECK MECHANISM ADJUSTMENT
 2. AUDIO/VIDEO SECTION ........................................... 27                       Tools and Fixtures for service ......................................... 78
 3. Hi-Fi AUDIO/SCART SECTION ................................. 33                            1. Mechanism Alignment Position Check ....................... 79
 4. SYSTEM CONTROL/SERVO SECTION ................... 37                                       2. Preparation for Adjustment ........................................ 80
FL DISPLAY ............................................................ 41 ~ 42               3. Checking Torque ........................................................ 80
WIRING                                                                                        4. Guide Roller Height Adjustment ................................. 81
 1. MAIN C.B <8200/7700/710> .............................. 43 ~ 44                            4-1. Preliminary Adjustment .......................................... 81
 2. MAIN C.B <955/935/930> .................................. 45 ~ 46                          4-2. Precise Adjustment ................................................ 81
 3. KEY1 C.B <8200> ...................................................... 49                 5. Audio/Control (A/C) Head Adjustment ........................ 82
 4. KEY2 C.B <8200> ...................................................... 49                  5-1. Preliminary Adjustment .......................................... 82
 5. KEY1 C.B <7700/710> ............................................... 49                     5-2. Confirm that the Tape Path smoothly between
 6. KEY2 C.B <7700/710> ............................................... 49                          the Take-up Guide and Pinch Roller ..................... 83
 7. KEY1 C.B <955/935/930> .......................................... 50                       5-3. Precise Adjustment (Azimuth Adjustment) ............. 83
 8. KEY2 C.B <955/935/930> .......................................... 50                      6. X-Value Adjustment .................................................... 83
 9. NICAM C.B ................................................................. 51            7. Adjustment after Replacing Drum Assembly
ADJUSTMENT ........................................................ 52 ~ 53                     (Video Heads) ............................................................. 84
IC DESCRIPTION ................................................... 54 ~ 57                    8. Check the Tape Travel after Reassembling
MECHANICAL EXPLODED VIEW 1/1 ........................... 58                                     Deck Assembly ............................................................ 84
MECHANICAL MAIN PARTS LIST 1/1 ......................... 59                                    8-1. Checking Audio and RF Locking Time
MECHANISM EXPLODED VIEW 1/3~3/3 .............. 60 ~ 64                                              during Playback and after CUE or REV ................ 84
MECHANISM MAIN PARTS LIST 1/3~3/3 ............. 61 ~ 65                                        8-2. Check for Tape Curling or Jamming ....................... 84
DECK MECHANISM PARTS LOCATIONS                                                               MAINTENANCE/INSPECTION PROCEDURE
Top View .......................................................................... 66        1. Check before starting Repairs ................................... 85
Bottom View .................................................................... 66           2. Required Maintenance ............................................... 86
DECK MECHANISM DISASSEMBLY                                                                    3. Scheduled Maintenance ............................................ 86
  1. Drum Assembly ......................................................... 67               4. Supplies Required for Inspection and Maintenance .. 86
  2. Plate Assembly Top ................................................... 69                5. Maintenance Procedure ............................................. 86
  3. Holder Assembly CST ............................................... 69                    5-1. Cleaning ................................................................. 86
  4. Guide CST ................................................................ 69             5-2. Greasing ................................................................ 87
  5. Bracket Side (L)/Bracket Assembly Door .................. 69                            MECHANISM TROUBLESHOOTING GUIDE
  6. Arm Assembly F/L ..................................................... 69                1. Deck Mechanism ............................................... 88 ~ 90
  7. Lever Assembly S/W ................................................. 69                  2. Front Loading Mechanism ................................. 91 ~ 92
  8. Arm Assembly Cleaner .............................................. 70

                                                                                         2
                                                        SPECIFICATIONS

                                               
Video recording system   Rotary 2 head helical scanning system           Video recording system  Rotary 2 head helical scanning system
Video head               Double azimuth 4 heads                          Video head              2 heads
Tuner system             Frequency synthesized tuner                     Tuner system            Frequency synthesized tuner
TV system                I                                               TV system               I
Video signal system      PAL color signal, 625 lines, 50 fields          Video signal system     PAL color signal, 625 lines, 50 fields
Usable cssettes          VHS video cassettes                             Usable cssettes         VHS video cassettes
Recording/playback time PAL                                              Recording/playback time PAL
                           SP: 5 hours max. with E-300 tape.                                       SP: 5 hours max. with E-300 tape.
                           LP: 10 hours max. with E-300 tape                                       LP: 10 hours max. with E-300 tape
                         NTSC (Playback only)                                                    NTSC (Playback only)
                           SP: 3 hours 30 minutes max.                                             SP: 3 hours 30 minutes max.
                                with T-210 tape                                                         with T-210 tape
                           LP: 7 hours max. with T-210 tape                                        LP: 7 hours max. with T-210 tape
                           EP: 10 hours 30 minutes max.                                            EP: 10 hours 30 minutes max.
                                with T-210 tape                                                         with T-210 tape
Tape speed               PAL                                             Tape speed              PAL
                           SP: 23.39 mm/s                                                          SP: 23.39 mm/s
                           LP: 11.69 mm/s                                                          LP: 11.69 mm/s
                         NTSC (Playback only)                                                    NTSC (Playback only)
                           SP: 33.35 mm/s                                                          SP: 33.35 mm/s
                           LP: 16.67 mm/s                                                          LP: 16.67 mm/s
                           EP: 11.12 mm/s                                                          EP: 11.12 mm/s
Hight speed rewind time: Approx. 1 min. with E-180 tape                  Rewind time:            Approx. 3 min. with E-180 tape
                                                                 Channel coverage        UHF: C21 to C69
Rewind time:             Approx. 3 min. with E-180 tape                  RF output               UHF channel between 22 and 68. 70 dB



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