Zenith XBV613 Service Manual - Page 78
Mechanism Of Vcr Partd-37 - support
UPC - 719192169715
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SECTION 4 MECHANISM OF VCR PART(D-37) CONTENTS DECK MECHANISM PARTS LOCATIONS • Top View 4-1 • Bottom View 4-1 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM 01.Disassembly of Drum assembly 4-2 02.Disassembly of Plate top disassembly..... 4-4 03.Holder Assembly CST 4-4 04.Disassembly of Gear Assembly Rack F/L 4-4 05.Opener Door 4-4 06.Arm Assembly F/L 4-4 07.Lever Assembly S/W 4-4 08.Motor Assembly L/D 4-5 09.Gear Wheel 4-5 10.Arm Assembly Cleaner 4-5 11. Head F/E 4-5 12.Base Assembly A/C Head 4-5 13.Brake Assembly T 4-6 14.Arm Assembly Tension 4-6 15.Reel S / Reel T 4-6 16.Base Assembly P4 4-7 17.Opener Lid 4-7 18.Arm Assembly Pinch 4-7 19.Arm T/up 4-7 20.Supporter, Capstan 4-8 21.Belt Capstan/Motor Capstan 4-8 22.Lever F/R 4-8 23.Clutch Assembly D37 4-8 24.Gear Drive/Gear Cam 4-9 25.Gear Sector 4-9 26.Brake Assembly Capstan 4-9 27.Plate Slider 4-9 28.Lever Tension 4-9 29.Lever Spring 4-9 30. Lever Brake 4-9 31.Gear Assembly P2/Gear Assembly P3 ...4-10 32.Base Assembly P2/Base Assembly P3 ...4-10 33.Base Loading 4-10 34.Base Tension 4-11 35.Arm Assembly Idler Jog 4-11 DECK MECHANISM ADJUSTMENT • Fixtures and tools for service 4-12 1. Mechanism Assembly Mode Check ........4-13 2. Previous Preparation for Deck Adjustment 4-14 3. Torque Measuring 4-14 4. Guide Roller Height Adjustment 4-15 4-1. Prior Adjustment 4-15 4-2. Fine Adjustment 4-15 5. Audio/Control (A/C) Head Adjustment......4-16 5-1. Prior Adjustment 4-16 5-2. Tape Path Check between Pinch Roller and Take-up Guide 4-17 5-3. Fine Adjustment (Azimuth Adjustment 4-17 6. X-distance Adjustment 4-17 7. Adjustment after Drum Assembly (Video Heads 4-18 8. Check of Traveling Device after Deck Assembly 4-18 8-1. Audio, RF Normalization Time (Locking Time) Check in Play after CUE or REV 4-18 8-2. Check of Tape Curl and Jam Status 4-18 PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION 1. Checking Points before Repair 4-19 2. Essential Check and Repair 4-20 3. Regular Check and Repair 4-20 4. Tools for Check and Repair 4-20 5. Maintenance Process 4-20 5-1. Removal of Foreign Materials..........4-20 5-2. Grease Application 4-21 TROUBLESHOOTING GUIDE 1. Deck Mechanism 4-23 2. Front Loading Mechanism 4-26 EXPLODED VIEWS 1. Front Loading Mechanism Section...........4-28 2. Moving Mechanism Section(1 4-29 3. Moving Mechanism Section(2 4-30