Sony SLV-N55 Service Manual
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Sony SLV-N55 Service Manual

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SLV-N55/N77/N88/N99
SERVICE MANUAL
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RMT-V402B
SPECIFICATIONS
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Power consumption
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SLV-N99
×
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Approx. 430
97
293 mm
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RMT-V307/V402/V402A/V402B
Canadian Model
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Approx. 4.1 kg (Approx. 9 lb 6 oz)
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VIDEO CASSETTE RECORDER
US Model
TS-10 MECHANISM
(SLV-N55/N77/N88)
SL MECHANISM
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Related Manuals for Sony SLV-N55

Summary of Contents for Sony SLV-N55

  • Page 1 Power consumption 9+)  WR  22 W (SLV-N99) 8+)  WR  'HVLJQ DQG VSHFLILFDWLRQV DUH VXEMHFW WR FKDQJH ZLWKRXW 18 W (SLV-N55/N77/N88) QRWLFH &$79 $ WR $ $ WR : : WR : 2SHUDWLQJ WHPSHUDWXUH $QWHQQD ƒ& WR ƒ& ƒ) WR ƒ) RKP DQWHQQD WHUPLQDO IRU 9+)8+) 1(5*<...
  • Page 2 We only supply the Parts that are listed in the Service Manual. If you need any extra repair, please call Sony Customer Information Service Center to tell them that you’d like to send your unit to Sony Video/ Video Deck Exchange Department.
  • Page 3 VHS MECHANICAL ADJUSTMENT MANUAL VII TS-10 MECHANISM Please use this manual with the service manual. MECHANISM DECK...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Disassembly and Reassembly Deck Parts Locations ............3 1-1-1 Top View ................3 1-1-2 Bottom View ............... 5 Main Deck ................6 1-2-1 Lever FL Door Removal ............. 6 1-2-2 Holder FL Cassette Ass’y Removal ........6 1-2-4 Lever FL Arm Ass’y Removal ..........

  • Page 5: Disassembly And Reassembly

    1. Disassembly and Reassembly 1-1 Deck Parts Locations 1-1-1 Top View Œ ´ ˇ ¨ ˆ Ø Fig. 1-1 Top parts Location-1 Œ GEAR FL CAM ´ MOTOR LOADING ASS’Y ˇ LEVER FL ARM ASS’Y ¨ HOLDER FL CASSETTE ASS’Y ˆ...
  • Page 6 ´ ˇ ¨ Œ ˆ Ø Ò ∏ ” ’ ” Ô ˝  Fig. 1-2 Top Parts Location-2 ” DISK S REEL Œ FE HEAD ’ LEVER S BRAKE ASS’Y ´ CYLINDER ASS’Y ˝ GEAR IDLE ˇ ACE HEAD ASS’Y Ô...

  • Page 7: Bottom View

    1-1-2 Bottom View Œ ´ ˇ ¨ ˆ Ø ∏ ” ’ ˝ Fig. 1-3 Bottom Parts Location Œ GEAR JOINT 1 ´ GEAR JOINT 2 ˇ BRACKET GEAR ¨ MOTOR CAPSTAN ASS’Y ˆ LEVER T LOAD ASS’Y Ø GEAR LOADING DRIVE ∏...

  • Page 8: Main Deck

    1-2 Main Deck 1-2-1 Lever FL Door Removal 1-2-2 Holder FL Cassette Ass’y Removal 1) Push the Holder FL Cassette Ass'y Œ about 20mm 1) Pull the Holder FL Cassette Ass'y Œ to the eject in the direction of arrow “A”. position.

  • Page 9: Lever Fl Arm Ass'y Removal

    1-2-3 Slider FL Drive, Gear FL Cam Removal 1-2-4 Lever FL Arm Ass’y Removal 1) Push the hole “A” in the direction of arrow “B” 1) Pull the Slider FL Drive Œ to the front direction. use the pin.(about Dia.2.5) 2) Remove the Slider FL Drive Œ...

  • Page 10: Gear Worm Wheel Removal

    1-2-5 Gear Worm Wheel Removal 1-2-6 Motor Loading Ass’y Removal 1) Remove the screw Œ. 1) Remove the Gear Worm wheel Œ. 2) Remove the Motor Loading Ass’y ´. ´ MOTOR LOADING ASS`Y Œ SCREW Œ GEAR WORM WHEEL Fig. 1-10 Motor Loading Ass’y Removal Fig.

  • Page 11: Bracket Gear, Gear Joint 2, 1 Removal

    1-2-7 Bracket Gear, Gear Joint 2, 1 Removal 1-2-8 Gear Loading Drive, Slider Cam, Lever Load S, T Ass’y Removal 1) Remove the SCREW Œ. 2) Remove the Bracket Gear ´. 1) Remove the Belt Pulley. (Refer to Fig. 1-30) 2) Remove the Gear Loading Drive Œ...

  • Page 12: T Ass'y Assembly

    1-2-9 Gear Loading Drive, Slider Cam, 1-2-10 Lever Pinch Drive, Lever Load S, T Ass’y Assembly Lever Tension Drive Removal 1) When reinstalling, be sure to align dot of Lever 1) Remove the Lever Pinch Drive Œ, Lever Tension Load T Ass'y Œ with dot of Lever Load S Ass'y ´ Drive ´.

  • Page 13: Lever Tension Ass'y, Band Brake Ass'y Removal

    1-2-11 Lever Tension Ass’y, 1-2-12 Lever Brake S, T Ass’y Removal Band Brake Ass’y Removal 1) Release the Hook [A] and the Hook [B], [C] in the direction of arrow as shown in Fig 1-17. 1) Remove the Lever Brake S Ass'y (Refer to Fig 1-17). 2) Lift the Lever S, T Brake Ass'y Œ, ´...

  • Page 14: Gear Idle Ass'y Removal

    1-2-13 Gear Idle Ass’y Removal 1-2-14 Disk S, T Reel Removal 1) Push the Lever Idle Œ in the direction of arrow 1) Lift the Disk S, T Reel Œ, ´. “A”, “B”. 2) Lift the Lever Idle Œ. Œ DISK S REEL Assembly : 1) Apply oil in two Bosses of Lever Idle Œ.

  • Page 15: Holder Clutch Ass'y Removal

    1-2-15 Holder Clutch Ass’y Removal 1-2-16 Lever Up Down Ass’y, Gear Center Ass’y Removal 1) Remove the Washer Slit Œ. 2) Lift the Holder Clutch Ass’y ´. 1) Remove the 2 hooks in the direction of arrow as shown Fig. 1-21 and lift the Lever Up Down Ass’y Note : When you reinstall Holder Clutch Ass'y Œ.

  • Page 16: Lever Unit Pinch Ass'y, Plate Joint

    1-2-17 Guide Cassette Door Removal 1-2-18 Lever Unit Pinch Ass’y, Plate Joint, Spring Pinch Drive Removal 1) Lift the Hook [A]. 2) Rotate the Guide Cassette Door Œ in the direction 1) Lift the Unit Pinch Ass’y Œ. of arrow. 2) Remove the Plate Joint ´...

  • Page 17: Lever #9 Guide Ass'y Removal

    1-2-19 Lever #9 Guide Ass’y Removal 1-2-20 FE Head Removal 1) Remove the Spring #9 Guide Œ. 1) Remove the screw Œ. 2) Lift the Spring #9 Guide Ass’y ´ in the direction 2) Lift the FE Head ´. of arrow “A”. Note : 1) Take extreme care not to get grease on the tape Œ...

  • Page 18: Ace Head Removal

    1-2-21 ACE Head Removal 1-2-22 Slider S, T Ass’y Removal 1) Pull out the FPC from connector of ACE Head 1) Move the Slider S, T Ass’y Œ, ´ to slot, and then Ass’y ´. lift it to remove. (Refer to arrow) 2) Remove the screw Œ.

  • Page 19: Plate Ground Deck, Cylinder Ass'y Removal

    1-2-23 Plate Ground Deck, Cylinder Ass’y Removal 1-2-24 Belt Pulley Removal 1) Remove the 3 Screws Œ. 1) Remove the Belt Pulley Œ. 2) Lift the Plate Ground Deck ´. Note : Take extreme care not to get grease on Belt 3) Lift the Cylinder Ass’y ˇ.

  • Page 20: Damper Capstan, Motor Capstan Ass'y Removal

    1-2-26 Damper Capstan, Motor Capstan Ass’y 1-2-27 How to Eject the Cassette Tape Removal (If the unit does not operate on condition that is inserted into housing ass’y) 1) Remove the Damper Capstan Œ in the direction of arrow. 1) Turn the Gear worm Œ clockwise with screw 2) Remove the 3 Screws ´.

  • Page 21: The Table Of Clearing, Lubrication And Replacement Time About Principal Parts

    1-3 The table of clearing, Lubrication and replacement time about principal parts 1) The replacement time of parts is not life of parts. 2) The table 1-1 is that the VCR Set is in normal condition (normal temperature, normal humidity). The checking period may be changed owing to the condition of use, runtime and environmental conditions.

  • Page 22: Tools And Fixtures Reguired For Service

    1-4 Tools and fixtures reguired for service Ref. No. Name Part No. Caved Jig No. Remarks Torque Measurement Cassette VHT-103S J-6090-072-A For FWD & back tension torque measurement Torque Measurement Cassette VHT-404S J-6082-012-A For CUE and REVIEW torque measurement Alignment Tape KRV-52NE (NTSC) 8-192-605-41 Tape path, Audio azimuth, X-value adjustments...

  • Page 23: Alignment And Adjustment

    2. Alignment and Adjustment 2-1 Tape Transport System and Adjustment Locations The tape transport system has been adjusted precisely in the factory. Alignment is not necessary except for the following : 1) Noise observed on the screen. 2) Tape damage. 3) Parts replacement in the tape transport system.

  • Page 24: Tape Transport System Adjustment

    2-2 Tape Transport System Adjustment When parts are replaced, perform the required 2-2-1(b) ACE HEAD TILT ADJUSTMENT adjustments by referring to procedures for the tape transport system. If there are any changes to the tape 1) Playback a blank tape and observe the position of path, first run a T-120 tape and make sure excessive the tape at the lower flange of tape guide.

  • Page 25: Linearity Adjustment (Guide Roller S, T Adjustment)

    2-2-2 Linearity Adjustment (Guide roller S, T adjustment) 1) Playback the alignment tape (KRV-51N2 (NTSC)/51P (PAL)) (SP mode, Mono Scope). 2) Observe the video envelope signal on an oscillo- scope (triggered by the video switching pulse). 3) Make sure the video envelope waveform (at its a b c d minimum) meets the specification shown in c,b,d/a...

  • Page 26: Check Transitional Operation From Rps To Play

    2-2-3 Check Transitional Operation from 2-2-4 Envelope Check RPS to Play 1) Make recordings on T-120 (E-120) and T-160 (E-180) tape. Check transition from RPS mode to play mode : Make sure the playback output envelope meets the Using a pre-recorded SP tape, make sure the entry specification as shown in Fig.
  • Page 27 VHS MECHANICAL ADJUSTMENT MANUAL VII Sony Corporation 2001A1600-1 Network Entertainment Group 9-921-790-11 © 2001.1 – 26 – Published by Quality Assurance Dept.

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