Regular Checks - Sony SVT-N72P Service Manual

Time lapse videocassette recorder
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1-1-1. Regular Checks

Part maintained
Band brake assembly
BT lever assembly
Full erase head
Cleaner roller assembly
Guide roller assembly
S incline mounting assembly
T incline mounting assembly
Tape path
ACE head
system
Pinch roller lever assembly
Pinch lift mounting
Pinch lift cam
Pinch cam gear
Cylinder chip earth
Cylinder complete
Upper cylinder assembly
Supply reel assembly
Take up reel assembly
S reel gear
T reel gear
Reel drive
Reel pulley
system
Special washer 2.4 x 6 x 0.25
Clutch mounting complete
Reel belt
Capstan motor
Friction gear assembly
S brake assembly
Brake
T brake assembly
system
Capstan brake assembly
T soft brake assembly
Loading motor assembly
Damper
Worm gear complete
Main cam
Special washer 3.6 x 0.5
Loading
Wheel gear 1
drive
Wheel gear 2
system
Opt pinch relay gear
Crescent slide
S load gear
Front rack gear
Start rack gear
Pinion gear
Back tension torque
Perform-
FF, REW torque
ance
PLAY torque
checks
REV torque
This periodic maintenance check table changes considerably according to the using conditions and environment.
This is an annual periodic maintenance check table. Repeat this maintenance table every year.
As life may be shortened if foreign particles and dusts remain accumulated on the tape guides and rotating and contacting portions, clean if dirty.
Dusts and other foreign particles on the tape guides may also shorten the tape life and lower picture quality, therefore clean thoroughly.
2-2
Hours of use (H)
Part Number
2000
4000
3-963-789-01
3-961-016-01
3-193-669-01
3-977-067-01
3-735-630-01
3-961-037-01
3-961-039-01
A-8344-338-A
3-961-024-01
3-204-110-01
3-961-027-01
3-203-303-01
3-206-679-01
A-8345-239-A
( )
3-207-042-01
( )
( )
3-977-065-01
3-963-782-01
3-960-927-01
3-960-928-01
3-960-926-01
3-948-603-01
A-8316-756-A
3-960-929-01
3-203-331-01
( )
3-206-566-01
A-8325-366-A
A-8325-367-A
A-8315-818-A
3-963-784-01
3-961-047-01
3-961-049-01
3-961-048-02
3-206-567-01
3-973-491-01
3-961-050-01
3-963-793-01
3-206-568-01
3-203-305-01
3-960-995-01
3-961-305-01
3-961-306-01
3-960-960-01
Cleaning
Check
Remarks
6000
8000
( )
( )
( )
( )
PB back tension torque: 25~50 g.cm
FF, REW: more than 600 g.cm
PLAY: 55~110 g.cm
REVIEW: 100~210 g.cm
Oil
Check, Replace
SVT-N72P (E)

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