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TABLE OF CONTENTS
1.
Preparations for Check, Adjustment and
Replacement of Mechanism Block
Replacement of Mechanism Block
1-1.
Before Replacement, Check or Adjustment ······················· 3
1-2.
Method to Identify the Type ··············································· 3
1-3.
Service Jigs and Tools ························································ 5
1-4.
Mode Selector II Operating Procedure ······························· 6
2.
Periodic Inspection and Maintenance
2-1.
Rotary Drum Cleaning ····················································· 10
2-2.
Tape Path System Cleaning ·············································· 10
2-3.
Periodic Inspection List ···················································· 11
2-4.
Applying Oil and Grease ·················································· 11
3.
Before Replacement, Check or Adjustment
3-1.
Phase Adjustment ····························································· 12
3-2.
Cassette compartment assembly ······································· 13
4.
Check, Adjustment and Replacement
4-1.
Drum Assembly ································································ 14
4-2.
HCL Arm Assembly, Loading Motor Assembly ·············· 15
4-3.
Drum Base Assembly, Drum Earth ·································· 16
4-4.
Guide Rail T2, Capstan Motor ········································· 17
4-5.
Blind Plate, Lock Guide ··················································· 18
4-6.
Reel Table (T) Assembly, T Soft Assembly ····················· 19
4-7.
S Ratchet RE Plate, Cassette Guide S ······························ 20
4-8.
R Drive Gear Assembly, LS Cam Plate (LS type A) ········ 21
4-9.
LS Cam Plate Position Adjustment (LS type A only) ······ 22
4-10. R Drive Gear Assembly (LS type B) ································ 23
4-11. LS Chassis Block Assembly ············································· 24
4-12. TG7 Arm Block Assembly, Pinch Arm Assembly ··········· 25
4-13. Guide Base (T) Block Assembly, Guide Base (S) Block
4-11. LS Chassis Block Assembly ············································· 24
4-12. TG7 Arm Block Assembly, Pinch Arm Assembly ··········· 25
4-13. Guide Base (T) Block Assembly, Guide Base (S) Block
Assembly ·········································································· 26
4-14. TG1 Arm, Reel Table (S) Assembly, Push Switch (3Key) ·· 27
4-15. Hall Element (H001, H002 (T/S Reel)),
4-15. Hall Element (H001, H002 (T/S Reel)),
Photo Transistor (Q001, Q002 (TAPE TOP/TAPE END)),
LED (D001 (TAPE LED)) ················································ 28
LED (D001 (TAPE LED)) ················································ 28
4-16. LS Guide Roller, Guide Lock Plate (T), Pinch Pusher
Assembly, Eject Arm ························································ 29
4-17. Rotary Switch, Cam Relay Gear, Change Gear Assembly,
Timing Belt ······································································· 30
4-18. Guide Gear (S) Assembly, Guide Gear (T) Assembly,
Cam Relay Gear 1, Guide Lock Plate (S) ························ 31
4-19. LD Gear 4, Cam Gear 1, HC Drive Arm ·························· 32
4-20. M Slide Plate Assembly, LS Arm Assembly, Cam Gear 2,
4-20. M Slide Plate Assembly, LS Arm Assembly, Cam Gear 2,
GL Arm Assembly ···························································· 33
5.
Adjustment
5-1.
Check and Adjustment of TG1 Back-tension Position ····· 34
5-2.
Check and Adjustment of FWD/RVS Back-tension ········· 35
5-3.
Capstan Motor Azimuth Position Adjustment ·················· 36
5-4.
Tape Path Adjustment ······················································· 37
6.
Exploded Views
6-1.
Cassette Compartment Assy, Drum Assy ························· 41
6-2.
LS Chassis Block Assembly ············································· 42
6-3.
Mechanical Chassis Block Assembly-1 ··························· 43
6-4.
Mechanical Chassis Block Assembly-2 ··························· 44
7.
Printed Wiring Boards and
Schematic Diagrams
Schematic Diagrams
.............................................. 45
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