Sony CCD-TRV21E Operation Manual page 19

Loading motor Capstan motor (M902)
(M903)
Drum (M901)
HC roller GL slider
Gear
Rotary encoder
©
Pinch press plate
M
TG1
Guide S (TG2)
Tension regulator
band
S ratchet release
plate
S ratchet
S reel / @z_ T soft spring
Gooseneck
gear
LS arm boss T soft claw
T (TG3)
Pinch roller
reel
ratchet
T soft gear
Loading motor (M903)
Guide S (TG2)
TG1
/
Tension regulator
band
S ratchet---------
/
S ratchet release
plate
Drum (M901)
iX HCroller / GLslider
S reel Gooseneck gear
Capstan motor (M902)
/
/ TG4
T ratchet
Fig. 4-4 Mechanism chassis and LS chassis assembly