- 2 -
CONTENTS
FILE "COVERPGE"
SPECIFICATIONS ...........................................................1
CONTENTS......................................................................2
GLOSSARY OF ABBREVIATIONS ................................4
FILE "DISASSY"
SAFETY PRECAUTIONS ................................................1
CONNECTION .................................................................3
DISASSEMBLY ...............................................................4
HOW TO EXECUTE CIRCUIT BOARD SERVICE ..........7
CHIP PARTS REPLACEMENT .......................................9
FILE "ELCTADJ"
HOW TO INITIALIZE THE E2PROM ................................1
WHEN REPLACING IC5A0 .............................................1
ELECTRICAL ADJUSTMENTS.......................................1
Servo circuit Adjustment...............................................2
Y/C signal circuit Adjustment........................................2
FILE "MECHAADJ"
MECHANICAL ADJUSTMENT
AND REPLACEMENT ..............................1
1.
DECK Cleaning...................................................1
1-1
VIDEO HEAD .................................................1
1-2
Tape Running System....................................1
1-3
REEL DISK Drive System ..............................1
2.
Replacement of Major Parts ..............................2
2-1
CLEANING ARM, FELT RING ......................2
2-2
STAY PLATE.................................................2
2-3
BOTTOM ASSY.............................................3
2-4
INSERT GUIDE (TU).....................................4
2-5
INSERT GUIDE (SP).....................................4
2-6
REC HOLDER, REC LEVER,
REC SPRING ................................................5
2-7
F/L ARM ASSY, F/L BEARING .....................5
2-8
A/C HEAD UNIT ............................................6
2-9
F/E HEAD ......................................................6
2-10 SENSOR COVER (TU) .................................7
2-11 SENSOR COVER (SP) .................................7
2-12 REV UNIT (TU),
REV UNIT (SP)..............................................8
2-13 MODE POSITION UNIT ................................8
2-14 REEL BELT, PULLEY BUSH,
THRUST WASHER,
BELT PULLEY, SHIFT SLIDER,
PULLEY GEAR ASSY, SLIP GEAR,
SLIP SPRING, SLIP 2 WASHER,
THRUST WASHER, SLIP ADJUSTER,
IDLER 2 UNIT ................................................9
2-15 CAPSTAN BRAKE SPRING,
CAPSTAN BRAKE ASSY ............................11
2-16 FC HOLDER, MOTOR HOLDER,
LOADING WORM,
LOADING MOTOR ASSY,
WORM WHEEL............................................12
2-17 PINCH ARM CAP, PINCH ASSY.................13
2-18 F/L PLATE, DOOR ARM..............................13
2-19 BRAKE CAM PLATE....................................14
2-20 GUIDE LAMP ...............................................15
2-21 MAIN CAM, GUIDE ARM (TU),
BRAKE LEVER, LB PIN...............................16
2-22 L/D LOCK LEVER ........................................17
2-23 BRAKE BELT (SP), BELT HOLDER............17
2-24 BELT LEVER, BELT ADJUSTER ................18
2-25 TENSION ARM, TENSION LEVER,
TENSION SPRING, TENS AXIS HOLDER,
REEL DISK (SP side)...................................18
2-26 BRAKE BELT (TU).......................................19
2-27 BRAKE (TU), REEL DISK (TU side) ............19
2-28 SHIFT LEVER ..............................................20
2-29 CHARGE SPRING, SWING LEVER,
CHARGE ASSY ...........................................21
2-30 LOADING ARM ASSY (SP),
LOADING ARM ASSY (TU) .........................21
2-31 A/L LEVER ...................................................22
2-32 TAPE GUIDE ASSY (SP),
TAPE GUIDE ASSY (TU).............................24
2-33 DRUM CLAMPER, DRUM ASSY.................25
2-34 DRUM MOTOR STATOR, BRUSH SPRING,
SPACER, ROTOR CASE, END RING,
BRUSH, UPPER DRUM ASSY....................26
2-35 CAPSTAN MOTOR......................................27
2-36 IMPEDANCE UNIT (SP),
FLYWHEEL (SP)..........................................29
2-37 SSW HOLDER, SSW SLIDER.....................29
3.
Interchangeability Adjustment
of the Mechanism.............................................30
3-1
Adjustment of BACK TENSION and
TENSION POLE's Position ..........................30
3-2
Check and Adjustment of
FM Envelope ................................................31
