Block Diagrams; Bd (Cd) Section - Sony HCD-DR4 Service Manual

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500
Q Q
3 7 6 3 1 5 1 5 0

7-2. BLOCK DIAGRAMS

– BD (CD) SECTION –
OPTICAL PICK-UP BLOCK
(KSS-213B/K-N)
DETECTOR
E VCC
VC
A A
5
C C
A C 7
D D
B D
8
B B
6
F
E E
11
F F
10
LD
LD
DRIVE
3
Q101
PD
4
FD LASER
DIODE
VREF
PD
T E
L 1 3 9 4 2 2 9 6 5 1 3
LD
IC102
POWER
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
T+
11 CH2OUTR
TRACKING
COIL CH2FIN
T–
12 CH2OUTF
CH2RIN
F+
14 CH1OUTF
FOCUS
COIL CH1FIN
F–
13 CH1OUTR
CH1RIN
SD+
CH3OUTF
M102 17
SLED M
CH3RIN
SD–
MOTOR
18 CH3OUTR
CH3FIN
SP+
CH4OUTF
M101 15
M
SPINDLE
CH4SIN
SP–
MOTOR
16 CH4OUTR
CH4BIN
MUTE
• SIGNAL PATH
: CD
: Digital out
09
w w w
IC103
DIGITAL SIGNAL PROCESSOR
RF AMP
RF
RF EQ RF RF AC
SUMMING
16 51
AMP
AMP
FOCUS
FF INTEG- ASY1
ERROR
14 49
RATOR
AMP
ASY0
48
TRACKING
TE
ERROR
13
AMP
VC
12
BUFFER
VC
APCLD/PD LDON
22
AMP
VC
VC 38
CE
42
RFDC
43
FE
39
TE
REF 41
HOLD SW
21 15
INTEG- SE
40
RATOR
CE
42
TFDR
5
TRDR
6
TFDR
30
TRDR
31
FFDR
2
FFDR
FRDR
3 32
FRDR
33
SRDR
SRDR
23 29
SFDR
SFDR
28
24
MDP
25 26
27 VC
20
x a o
. i
– 21 –
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IC101
DIGITAL SERVO
16K
RAM
EFM
DEMODULATION
ASYMMETRY
DIGITAL
CORRECTION
PLL
SUBCODE
PROCESSOR
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
OPERATIONAL
A/D
AMPLIFIER
CONVERTER
ANALOG
PWM PWM
Q Q
SWITCH
3 7
PWM
GENERATOR SERVO DSP
TRACKING
TRACKING
PWM
SERVO
GENERATOR
FOCUS
FOCUS
PWM
SERVO
GENERATOR
SLED
SLED
PWM
SERVO
GENERATOR
DIGITAL
CLV
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9 9
XTA1
66
TIMING
LOGIC
ERROR STAO
67
CORRECTOR
D/A DIGITAL D OUT
60
INTERFACE OUT
XRST
3
SQSO
1
SQCK
2
SENS
8
CPU
INTERFACE
DATA
SERVO
5
AUTO XLAT
6
SEQUENCER
CLOK
7
SCOR
20
XLON
14
SCLK
SERVO 9
SSTP
INTERFACE
27
S101
6 3 1 5 1 5 0 8 9
RMUT LIMIT SW
79
LMUT
80
LMUT
70
AIN1
71
LOUT1
72
LOUT2
77
AIN2
76
LOUT2
75
m
c o
.
– 22 –
2
8 9 9
X101
16.9344MHz
DOUT
XRST
SQSO
SENS
DATA
XLT
CLOK
A
SCOR
MAIN
SECTION
(Page 25, 27)
SQCK
+5V
2 4 9 8 2 9 9
L OUT
R OUT
HOLD