42
2. Hardware Block Diagram of LightScribe Label Printing
Host
PC
(Spindle)
uP
(DSP)
P
o
wer
Drive
Analog
Signal
Pr
ocessor
MECHANISM
Optical
Pic
k-up
Optical
Encoder
(Sled)
(T
ra
c
k
)
(Tilt)
(F
ocus)
RFOUT
Spindle Motor
Step Motor
T
rac
k Actuator
Tilt Actuator
F
ocus Actuator
Laser P
o
w
er Ref
erence
Wr
ite Str
ategy Control
Buff
er
Memor
y
SER
V
O
Signals
RF Cell Signals
Laser P
o
w
er Monitor Signal
Optical FG
CIr
cuit
Содержание GSA-4166B
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