MAINTENANCE

Maintaining and Checking The Mechanism

To maintain the VCR functions and features working properly, and to avoid damages or dirt on the tape, it is recommended to follow the maintenance points and periodicity indicated below.

For detailed information, please contact your dealer.

Maintenance Table

F : Cleaning E : Confirmation v : Lubrication k : Change

 

PARTS

2000H

4000H

6000H

8000H

NOTES

Tape Path System

ASSY, BRAKE BAND

E

k

E

k

 

 

 

 

ASSY, LEVER BT (tape guide)

F

F

F

F

 

 

 

 

FULL ERASE HEAD

F

F

F

k

 

 

 

 

ASSY, ROLLER CLEANER

E

k

E

k

 

 

 

 

ASSY, GUIDE ROLLER

F

F

F

F

 

 

 

 

ASSY, MOUNTING INCLNE S

F

F

F

k

 

 

 

 

ASSY, MOUNTING INCLNE T

F

F

F

k

 

 

 

 

ACE HEAD

F

F

F

k

 

 

 

 

ASSY, LEVER PINCH ROLLER

F

k

F

k

 

 

 

 

MOUNTING, LIFT PINCH

 

 

 

k

 

 

 

 

CAM, LIFT PINCH

 

 

 

k

 

 

 

 

GEAR, CAM PINCH

 

 

 

k

 

 

 

 

ASSY, EARTH CYL

 

k

 

k

 

 

 

 

COMPL, CYLINDER

F

F(k)

F

F(k)

 

 

 

 

ASSY, CYLINDER UPPER

F(k)

F(k)

F(k)

F(k)

 

 

 

Reel Drive System

ASSY, REEL SUPPLY

Fv

Fv

Fv

Fv

 

 

 

 

ASSY, REEL TAKEUP

Fv

Fv

Fv

Fv

 

 

 

 

GEAR, REEL S

v

v

v

v

 

 

 

 

GEAR, REEL T

v

v

v

v

 

 

 

 

PULLEY, REEL

v

v

v

v

 

 

 

 

SPECIAL, WASHER 2.4 X 6 X 0.25

 

E

 

E

 

 

 

 

COMPL, MOUNTING CLUTCH

v

k

v

k

 

 

 

 

BELT, REEL

E

k

 

k

 

 

 

 

MOTOR, CAPSTAN

F

E(k)

E(k)

k

 

 

 

 

ASSY, GEAR FRICTION

v

vk

v

vk

 

 

 

Brake

ASSY, BRAKE S

E

E

E

E

 

 

 

 

ASSY, BRAKE T

E

E

E

E

 

 

 

 

ASSY, BRAKE CAPSTAN

E

E

E

E

 

 

 

 

ASSY, BRAKE SOFT T

 

E

 

k

 

 

 

Loading Drive

ASSY, LOADING MOTOR

 

E

 

k

 

 

 

System

DAMPER

 

 

 

k

 

 

 

 

COMPL, GEAR WORM

 

E

 

k

 

 

 

 

CAM, MAIN

 

 

 

k

 

 

 

 

SPECIAL WASHER 3.6 X 0.5

 

E

 

k

 

 

 

 

GEAR, WHEEL 1

 

 

 

k

 

 

 

 

GEAR, WHEEL 2

 

E

 

k

 

 

 

 

MODE SWITCH

 

E

 

k

 

 

 

 

SLIDE, CRECENT

 

E

 

k

 

 

 

 

GEAR, LOAD S

 

E

 

k

 

 

 

 

GEAR, RACK FRONT

 

E

 

k

 

 

 

 

GEAR, RACK START

 

E

 

k

 

 

 

 

GEAR, PINON

 

E

 

k

 

 

 

Performance

BACK TENSION TORQUE

E

E

E

E

PB BACK TENSION TORQUE 25~50gcm

Check

FWD, REW TORQUE

E

E

E

E

FWD, REW TORQUE

 

 

600g cm

 

PLAY TORQUE

E

E

E

E

PLAY 55 ~ 110gcm

 

 

 

REV TORQUE

E

E

E

E

REV 100 ~ 210gcm

 

 

NOTE:

1.This table shows the maintenance for up to 8000 hours. After this, repeat from the start or the table.

2.For places with symbols such as E (k) and F (k), carry out checking and cleaning, and replace if necessary.

3.This periodic maintenance check table changes considerably according to the using conditions and environment.

4.Refer to (POWER/DEW/USED TIME) menu for the length of time the unit has been used.

5.As life may be shortened if foreign particles and dusts remain accumulated on the tape guides and rotating and contacting portions, clean if dirty.

6.Dusts and other foreign particles on the tape guides may also shorten the tape life and lower picture quality, therefore clean thoroughly.

52

English

Page 53
Image 53
Sanyo DTL-4800 instruction manual Maintaining and Checking The Mechanism, Maintenance Table