Diagrams; Block Diagrams; Bd (Cd) Section - Sony HCD-J3MD Service Manual

6-1. BLOCK DIAGRAMS

– BD (CD) SECTION –
OPTICAL PICK-UP BLOCK
(KSS-213BA/NP)
DETECTOR
IC103
E VCC RF AMP
VC
A A
5
C C RF
A C 7
SUMMING
D D
B D
8
AMP
B B
6
F
FOCUS
ERROR
AMP
E E TRACKING
11
ERROR
F F
10
AMP
LD
LD
DRIVE
3
Q101
APCLD/PD
PD
4
AMP
FD LASER
DIODE
VREF
PD
LD
IC102
POWER
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
T+
11 CH2OUTR
TRACKING
TFDR
COIL
CH2FIN 5
T–
12 CH2OUTF
TRDR
CH2RIN
6
F+
CH1OUTF
14
FOCUS
FFDR
COIL CH1FIN
F– 2
13 CH1OUTR
FRDR
CH1RIN 3
SD+
17 CH3OUTF
M102
M
SLED
SRDR
CH3RIN 23
SD–
MOTOR
18 CH3OUTR
SFDR
CH3FIN
24
SP+
CH4OUTF
M101 15
SPINDLE M
CH4SIN 25
SP–
MOTOR
16 CH4OUTR
CH4BIN 27
MUTE 20
• RCH is omitted
• Signal Path
: CD
: CD (DIGITAL OUT)
16
SECTION 6

DIAGRAMS

IC101
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
RF EQ RF RF AC
16 51
AMP
INTEG- ASY1
FF
14 49
RATOR
ASYMMETRY
CORRECTION
ASY0
48
TE
13
VC
12
BUFFER
VC
LDON
22
VC
VC 38
CE
42
RFDC
43
FE
OPERATIONAL
39
AMPLIFIER
TE
41
REF
HOLD SW ANALOG
21 15 SWITCH
SE
INTEG-
40
RATOR
CE
42
PWM
GENERATOR
TFDR
TRACKING
30
TRDR PWM
31
GENERATOR
FFDR
FOCUS
32
FRDR PWM
33
GENERATOR
SRDR
SLED
29
PWM
SFDR
28
GENERATOR
MDP DIGITAL
26
VC
16K
RAM
EFM
DEMODULATION
DIGITAL
PLL
SUBCODE
PROCESSOR
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
A/D
CONVERTER
PWM PWM
SERVO DSP
TRACKING
SERVO
FOCUS
SERVO
SLED
SERVO
CLV
45 45
XTA1
66
TIMING X101
LOGIC 16.9344MHz
STAO
ERROR
67
CORRECTOR
D OUT
D/A DIGITAL
60
INTERFACE OUT
XRST 59
3
SQSO 32
1
SQCK
2
SENS 56
8
CPU
INTERFACE
DATA 81
SERVO
5
XLAT 58
AUTO
6
SEQUENCER
CLOK 82
7
SCOR 19
20
XLON
14
SCLK 33
SERVO 9
SSTP
INTERFACE
27
S101
RMUT LIMIT SW
79
LMUT
80
LMUT
70
AIN1
71
LOUT1
72
LOUT2
77
57
AIN2
76
LOUT2
75
HCD-J3MD
D
DOUT
BD(MD)
SECTION
(Page 47)
XRST
SQSO
SENS
DATA
XLT
CLOK
SCOR
C
SQCK
MAIN
+5V
SECTION
(Page 48)
CD-L
(L-OUT)
R OUT
HOLD