Block Diagrams; Bd Section - Sony CDP-CX240 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

6-2. BLOCK DIAGRAMS

– BD SECTION –
OPTICAL PICK-UP
IC103
BLOCK (KSS-213B)
RF AMP
LASER
LD
DIODE
POWER
PB
APC LD
4
AMP
LD
LD
DRIVE 3
Q101
DETECTOR
E
5
RF
4
PD1 6
SUMMING
PD2
7
AMP
8
F
TRACKING
10
ERROR
11
AMP
VC
BUFFER
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
T+
1
TRACKING
COIL T–
2
F–
16
FOCUS
COIL
F+
17
13
M102
M
SLED
MOTOR 12
M101
27
SPINDLE
M
w w w MOTOR
26
09 MUTE
.
21
22 ASYO
48
LPF
RFAC
RF EQ
16 51
AMP
ASYI
ASYMMETRY
FOCUS 49
CORRECTION
14
ERROR
AMP
VC
13
VC
38
CE
42
12 VC
RFDC
43
TE
41
A/D
SE CONVERTER
LPF 40
FE
39
XLON
14
XTAI
66
TIMING
X101
LOGIC
XTAO
16.9MHz
67
S101
D+5V
LIMIT
SSTP
27
TFDR
4
30
TRDR
5
31
FFDR
19 32
FRDR
20 33
SRDR
10 29
SFDR
9 28
VC
23
MDP
24 26
LPF
x a o
y
15
i
– 23 –
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8
IC101
DIGITAL SIGNAL PROCESSOR
EFM
DIGITAL
DEMODULATOR
PLL
ERROR
CORRECTION
DIGITAL
CLV
Q Q
3 7 6 3
FOK
MIRR
DFCT
DFCT
FOK
MIRR
DETECTOR
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
PWM
GENERATOR
TRACKING
PWM
GENERATOR
FOCUS
PWM
GENERATOR
SLED
PWM
GENERATOR
u 1 6 3
.
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2 4
9 9 8
DIGITAL
OUT
16K
RAM
OVER
SERIAL 3rd ORDER
D/A SAMPLING
IN NOISE PWM
INTERFACE DIGITAL
INTERFACE SHAPER
FILTER
SUBCODE
PROCESSOR
CPU
INTERFACE
1 5 1 5 0 8 9 2 4
SERVO
AUTO
SEQUENCER
SERVO
INTERFACE
m
c o
– 24 –
CDP-CX240
2
9 9
IC901
DIGITAL
DOUT
60 3 OUT
OPTICAL
LOUT
72 LOUT
ROUT
75
R ch
SYSM
4
LMUT
80 LMUTE
79
SCOR
20
SQCK
2
SQSO
1
DATA
5 DATA
XLAT
6
CLOK
7 CLOK
SENS
8
9 8 2 9 9
SCOR
A
SENS
SYSM
XLAT
MAIN
SECTION
SQCK
SQSO
XRST
XRST 3
SCLK
9 SCLK
AGC
• Rch is same as Lch.
• SIGNAL PATH
: CD
: CD (digital)