Sony CFD-ZW750 - Cd Radio Cassette-corder Servicehandleiding - Pagina 2
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CFD-ZW750/ZW770
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
M702
M
SLED
MOTOR
M701
M
SPINDLE
MOTOR
04
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)
– 17 –
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
9
6 5 8 7 1
12
11
10 4
CD
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
SECTION
• Signal path
: CD
• R-ch : same as L-ch.
– 18 –