Sanyo HR-VX200 Basic Service Technical Information

I
FILE NO.
- BASIC SERVICE TECHNICAL
INFORMATION
L
Video Cassette Recorder
S* o
VC MECHANISM
Contents
1. MAINTENANCE AND INSPECTION
OF MECHANISM
1-1. REGULAR CHECKS AND
MAINTENANCE ITEMS ..................2
1-2. SERVICE TOOLS .............................3
1-3. CLEANING .......................................4
2. AN OVERVIEW OF MECHANISM
2-1. NAMES OF MAIN PARTS ..............4
2-2. AN OVERVIEW OF
MECHANISM MODES ....................6
3. OPERATING THE MECHANISM
3-1. SERVICE MODE ..............................8
3-2. DRIVING THE LOADING MOTOR
("assy,motor loading bb VC'')BY
SUPPLYING DC VOLTAGE ............9
3-3. OPERATING THE MECHANISM
MANUALLY .....................................9
4. DISASSEMBLING THE MAIN
PARTS OF THE MECHANISM
4-1. MECHANISM UNIT ....................... 10
4-2. CASSETTE MECHANISM ............. 11
4-3. COMPL LEVER CLEANER ............14
4-4. CYLINDER (DRUM) ....................... 15
4-5. LEVER EP SW VC .......................... 16
4-6. HEAD ERASE FULL VC ................. 17
4-i'.
4-8.
4-9.
ASSY HEAD R/P ACE VC .............. 17
PINCH ROLLERDRIVING
SECTION AND ASSY
LEVER LOAD VC ........................... 18
CAPSTAN MOTOR ....................... 19
4-10. GEAR LOCK VC, GEAR WHEEL
1/2, CAM MAIN, GEAR RELAY
PINCH VC .......................................2O
4-11. LOADING MOTOR ........................21
4-12. ASSY LEVER BT,
ASSY BRAKE BAND .....................22
4-13. ASSY BRAKE S/T VC, COMPL
MOUNTING IDLER VC .................22
4-14. ASSY BRAKESOFT T VC,
TAKE-UP SIDE REEL SPINDLE VC,
GEAR REELT VC ..........................23
4-15. SLIDE SOFT S VC, SUPPLY SIDE
REEL SPINDLE VC,
GEAR REEL S VC ..........................23
4-16. ASSY PULLEY FRICTION VC,
4-17
GEAR CLUTCH VC,
LEVER CLUTCH VC .......................24
LEVER CONTROL BRAKEVC,
COMPL LEVERACT
BRAKEVC ......................................25
m
PAL SECAM NTSC
4-18. SLIDE CRESCENT VC ...................25
4-19. ASSY LEVER SPRING BT .............26
4-20. GEAR LOAD S/l, ASSY
LEVER LOAD S/T, MOUNTING
INCL S/T GUIDE VC ......................26
4-21. ASSY ROLLERGUIDE ..................28
4-22. SPRING EARTH VC .......................28
4-23. SPRING GUIDE EARTH VC,
GUIDE S VC ...................................28
5. CHECKING AND ADJUSTING THE
MECHANISM
5-1. CHECKING THE REELTORQUE
VALUE ........................................... 29
5-2. ADJUSTING THE ASSY
LEVER BT POSITION AND
CHECKING THE BACKTENSION
TORQUE DURING PLAY ..............30
5-3. ADJUSTING TAPE PATH .............30
VC MECHANISM
REFERENCE No. MM531683