Advertisement
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM — CD SECTION —
FOCUS/TRACKING
SERVO,
EFM
COMPARATOR
1€101 (172)
FOCUS
BIAS
RV101
(2) FEI
(1) FEO
(42) TEO
(44) TEI
RV103
TRACKING
!
GAIN
1
i
I
H YY
H
i
p~_
LO DRIVE
y)
&
Q101, 102 i er
FOK @)
LASER ———— =
G4) PHB
FGaG)
BIOBE
XRST
(25)
FOCUS
TRACKING
@)
COIL
COIL
T+
(18)
TRACKING
(e—lcore BRIVE;7
9
1C102 (1/2)
FOCUS/TRACK ING
COIL BRIVE
(12)
= Seol dl
(e—lcorL DRIVER
SLEB/SP INDLE
MOTOR BRIVE
Seno
10102 (2/2)
Ictot 2/2)
atad
=
SLEB MOTOR
a
SLED MOTOR
27
SINE
Bethe
SPINDLE MOTOR
motor
BRIVE
(+)
02
HCD-H881/H881D
X101
IF
16 9344 MHz
DIGITAL
FILTER
B/A
CONVERTER
1C104
zz
BIGITAL SIGNAL PROCESSOR,
=
MAIN
CLV SERVO
SECTION
1C103
(Page 28)
colle
<cIn
cel
HE
x
xX
B+
(52X50)
(SV)
2 SV
1¢201
er OWr
OPTICAL OUT
» GND
4
Coen) CD pen 6). ).
(23)
=
eivngy
-
es
Sedaka
E:
wo
nq
no qQ
5
Qo
a
a
uo
an
ao
Qa
2
2°
o
BPISC SENSOR
|
'oni
1C703
|
DISC SENS (4)
o< |
Des:
MASTER
CONTROL
1C701
TABLE
SENSOR
1€702
TBL SENS (26)
Res:
MOTOR
SRIVE
1¢701
TBL L @)
(3) IN 1
OUT 1 Q@)
M701
TBL R @)
(6) IN 2
OUT 2Q@)
MOTOR
MOTOR BRIVE
1C801
LOAD
IN (1)
(2) RIN
OUT G)
M801
LOAD OUT @2)
(10) F IN
OUT @)
MOTOR
ENCOBER!-3
ae
$851
tap}
ROTARY
ENCODER
OUT SW OPEN (20)—
5801
(OPEN SW)
=
23
ens
Advertisement
