Toshiba e-STUDIO520 Service Manual page 163

e-STUDIO850
Laser driving PC board-1
fθ lens 2
H-sync detection PC board
2nd turnup mirror
H-sync turnup mirror
1st turnup mirror
March 2005 © TOSHIBA TEC
Laser emission unit
fθ lens 1
Slit glass
( Laser beam exit )
[ Laser optical unit overview ]
Fig.8-3
8 - 3
1st laser diode
Finite focus lens
Laser driving
PC board-2
2nd laser diode
Finite focus lens
Half mirror
Galvanic mirror
Cylinder lens
Polygonal motor
Laser control PC board
e-STUDIO520/600/720/850 LASER OPTICAL UNIT
8