Block Diagrams; Bd Section - Sony HCD-DR8AV Service Manual

HCD-DR8AV/W900AV

7-2. BLOCK DIAGRAMS

BD SECTION

OPTICAL PICK-UP BLOCK
(KSS-213D/Q-NP)
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 APCLD/PD
4
FD LASER
DIODE
VREF
PD
LD
IC102
POWER
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
T+
CH2OUTR
11
TRACKING
COIL CH2FIN
T–
12 CH2OUTF
CH2RIN
F+
14 CH1OUTF
FOCUS
COIL
CH1FIN
F–
13 CH1OUTR
CH1RIN
SD+
17 CH3OUTF
M102
M
SLED
CH3RIN
MOTOR SD–
CH3OUTR
18
CH3FIN
SP+
M101 15 CH4OUTF
SPINDLE M
SP– CH4SIN
MOTOR
CH4OUTR
16
CH4BIN
MUTE
• SIGNAL PATH
: CD
: Digital out
16
DIGITAL SERVO
IC103
DIGITAL SIGNAL PROCESSOR
RF AMP
RF
RF EQ RF RF AC
SUMMING
16 51
AMP
AMP
FOCUS
FF INTEG- ASYI
ERROR
14 49
RATOR
AMP
ASYO
48
TRACKING
TE
ERROR
13
AMP
VC
12
BUFFER
VC
LDON
22
AMP
VC
VC 38
CE
42
RFDC
43
FE
39
REF
HOLD SW
SE
21 15 INTEG- 40
TE
RATOR
41
CE
42
TFDR
5
TRDR
6
TFDR
30
TRDR
31
FFDR
2
FFDR
FRDR
3 32
FRDR
33
SRDR
SRDR
23 29
SFDR
SFDR
24 28
MDP
25 26
VC
27
20
— 21 —
IC101
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
SWITCH
PWM
GENERATOR SERVO DSP
TRACKING
TRACKING
PWM
SERVO
GENERATOR
FOCUS
FOCUS
PWM
SERVO
GENERATOR
SLED
SLED
PWM
SERVO
GENERATOR
DIGITAL
CLV
XTAI
66
TIMING X101
LOGIC 16.9344MHz
ERROR XTAO
67
CORRECTOR
D/A DIGITAL D OUT
60 DOUT
INTERFACE OUT
XRST
3 XRST
SQSO
1 SQSO
SQCK
SQCK
2
SENS
SENS
8
CPU
INTERFACE
DATA
SERVO
5 DATA
AUTO XLAT
6 XLT
SEQUENCER
CLOK
7 CLOK
SCOR
20 SCOR
XLON
14
+5V
SCLK
SERVO 9
SSTP
INTERFACE
27
LIMIT SW
AOUT1
70
AIN1
71
LOUT1
72 L OUT
AOUT2
77
AIN2
76
LOUT2
R OUT
75
HOLD
— 22 —
A
MAIN
SECTION
(Page 25, 27)
S101