Block Diagram -Cd Section - Sony CFD-ZW750 Service Manual

CFD-ZW750/ZW770
Q Q
3 7 6 3 1 5 1 5 0
5-3. BLOCK DIAGRAM — CD SECTION —
A
C
B
D
LD ON
LD
SWITCH
Q701
PD
E
F
VREF
OPTICAL PICK-UP
BLOCK
(KSS-213C)
TRACKING
COIL
FOCUS
COIL
T E
L 1 3 9 4 2 2 9 6 5 1 3
M702
M
SLED
MOTOR
M701
M
SPINDLE
MOTOR
04
w w w
RF AMP & SYSTEM SERVO PROCESSOR
IC701
RF AMP
PD1 RF O
33
38
FOK
27
PD2
39
C. OUT
IIL 24
SENS1
25
SENS2
TTL 26
LASER
LD
SERIAL/
36 DIODE DATA
PARALLEL 22
CONTROL
XLT
CONVERTER
21
PD
37 TTL
DECODER CLK
20
IIL
FE AMP
E
XRST
42 23
F
41
COMAND
TRACKING FOCUS
51 VC
PHASE PHASE
13 6 16
VREF
23 VREF
T+
TRACKING
17
TIN
19
T- COIL
18
DRIVE
F+
FOCUS
26
FIN
COIL 25
F-
27
DRIVE
MUTE 7
SL+
SLED
2 SLIN
MOTOR 3
SL-
1
DRIVE
SP+
SPINDLE
12 SPIN
MOTOR 9
SP-
11
DRIVE
SPIN
15
SP0 -
14
+ VREF
16 VREF
OPTICAL PICK-UP
DRIVE
IC702
SYSTEM CONTROL
IC801 (1/2)
x a o
y
. i
– 17 –
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DIGITAL SIGNAL PROCESSOR
IC703
RF
35
EFM DEMODULATOR
FOK
18
SERIAL
INTERFACE
D/A
CNIN
11
INTERFACE
SEIN
10 SERVO
AUT
SEQ.
DATO
12
SUB CODE
XLTO
PROCESSOR
13
CLKO
14
79 XRST
DIGITAL
CPU INTERFACE
CLV
21 15 17 6 5 4 57 7 8 9 62
S701
(LIMIT)
R-CNT/ST-MO
Q Q
3 7 6
9 6 5 8 7 1 12 11 10 4
CD
u 1 6 3
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2 4
8 9 9
PWM
AOUT1
AMP 1
CD L-CH
65
DIGITAL
MAIN
LOUT1
67
FILTER
SECTION
&
AOUT2
D/A
76 R-CH
CONVERTER
LOUT2
74
PWM
AMP
70 71
•
X701
16.9344MHz
2
MAIN
3 1 5 1 5 0 8 9
SECTION
• Signal path
: CD
• R-ch : same as L-ch.
m
c o
.
– 18 –
2
8 9 9
2 4 9 8 2 9 9