Block Diagram - Cd Section - Sony CFD-S45L Service Manual

CFD-S45L/S47L
5-3. BLOCK DIAGRAM — CD SECTION —
A
C
B
D
LD
PD
E
F
OPTICAL PICK-UP
BLOCK
(KSS-213C)
TRACKING
COIL
FOCUS
COIL
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
M651
LOADING
MOTOR
04
RF AMP & SYSTEM SERVO PROCESSOR
IC701
RF AMP
PD1
38
PD2
39
LD ON
LASER SERIAL/
LD
36
SWITCH DIODE
PARALLEL
CONTROL
Q701
CONVERTER
PD
37 DECODER
FE AMP
E
42
F
41
COMAND
TRACKING FOCUS
VREF 51 VC
PHASE PHASE
13
T+
TRACKING
17 TIN
COIL 19
T-
18
DRIVE
F+
FOCUS
26 FIN
25
F- COIL
27
DRIVE
MUTE 7
SL+
SLED
M
2
SLIN
3
SL- MOTOR
1
DRIVE
SP+
M SPINDLE
12
SPI
15
SP- MOTOR
11
DRIVE
OPTICAL PICK-UP
DRIVE
IC702
OUT1 INPUT1
LOADING
M
8 2
OUT2 MOTOR
INPUT2
7 3
DRIVE
LOADING MOTOR DRIVE (OPEN)
IC703
S651
(CLOSE)
– 19 –
DIGITAL SIGNAL PROCESSOR
RF O RF
33 35 EFM DEMODULATOR
FOK
FOK
27 18
D/A
C. OUT CNIN
INTERFACE
IIL 24 11
SENS1
SEIN
25 10
SERVO
SENS2
AUT
TTL 26
SEQ.
DATA DATO
22 12 SUB CODE
XLT XLTO
PROCESSOR
21 13
TTL
CLK CLKO
20 14
IIL
XRST
23 79 XRST
DIGITAL
CPU INTERFACE
CLV
6 16 21 15 17 6 5 4 57
S701
(LIMIT)
14 10 9 12 11 1
5 CLS-O
CD
4 OPEN-O
SYSTEM CONTROL
6 OPEN-I IC501 (1/2)
7 CLS-I
IC703
PWM
AMP AOUT1
65
DIGITAL
LOUT1
FILTER
67
SERIAL
&
INTERFACE AOUT2
R-CH
D/A 76
CONVERTER
LOUT2
74
PWM
AMP
7 8 9 62 70 71
•
X701
16.9344MHz
17 15 16 98
• Signal path
: CD
• R-ch : same as L-ch.
– 20 –
1
CD L-CH
MAIN
SECTION