Sony RDR-VX521, Service Manual

Page: 90 / 139

6-4
6-2 VCR MECHANICAL ADJUSTMENT
6-2-1 Tape Transport System and Adjustment Locations
The tape transport system has been adjusted precisely in the factory. Alignment is not necessary except for the
following :
1) Noise observed on the screen.
2) Tape damage.
3) Parts replacement in the tape transport system.
Lower flange height of tape guide is used as the reference for the transport adjustment.
To maintain the height of the tape guide and prevent damage, do not apply excessive force onto the main base.
Fig. 6-4 Tape Travel Diagram
POST TENSION
MAIN BASE
FE HEAD CYLINDER ASS'Y
PINCH ROLLER
GUIDE ROLLER "S" GUIDE ROLLER "T"
#8 GUIDE POST #9 GUIDE POST
CAPSTAN SHAFT
ACE HEAD
#3 GUIDE POST
Fig. 6-3 Location of Tape Transport Adjustment
TENSION POST
#3 GUIDE POST
GUIDE ROLLER "S"
SUPPLY REEL DISK
FULL ERASE HEAD
TI LT SCREW
AZIMUTH SCREW
X-POSITION
ADJUS T SLIT
TAKE UP REEL DISK
CYLINDER ASS' Y
GUIDE ROLLER "T"
#8 GUIDE POST
#9 GUIDE POST
PINCH ROLLER
HIGH T SCREW
CAPSTAN