Block Diagrams; Servo Section - Sony HTC-VX500 Service Manual

HTC-VX500

6-2. BLOCK DIAGRAMS

SERVO SECTION

DETECTOR
A+5V
7
A
A
4 3
B
B
2 4
C
C
1 5
D
D
5 6
F
F
10 8 F I-V AMP
E
E
6 9
E I-V AMP
OPTICAL PICK-UP
(KSS-213BA/F-NP)
LASER DIODE
AUTOMATIC
POWER
CONTROL
LD Q101
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
OUT+
27
M101
M
OUT–
(SPINDLE)
26
OUT+
13
M102
M
OUT–
(SLED)
12
2-AXIS
DEVICE
OUT–
2
OUT+
1
OUT+
16
OUT–
17
16
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
DIGITAL SIGNAL PROCESSOR
RF
RF EQ RFO
SUMMING 16 36
AMP
AMP
RF EQ
RFE
SWITCH
17
Q102, 103
CTL2
FE 38
FOCUS
15
ERROR AMP
39
FE BIAS
14
TE
TRACKING
13
ERROR AMP
LDON
19
LD
APC LD PD
APC PD
2
1
AMP AMP
IC102
MOTOR
DRIVE
28 27 29 26
IN+
9
MOTOR
A/D
IN–
DRIVE
10
CONVERTER
SFDR
100
SRDR
2
IN– TFDR
4 4 MIRR/DFCT/
COIL
IN+ TRDR
DRIVE
5 6
DETECTOR
FFDR
8
FRDR
10
IN–
19
COIL
IN+
DRIVE
20
SERVO SERVO AUTO
INTERFACE SEQUENCER
MUTE 15
INTERFACE
89
FILTER
31 33 34 32
IC101 (1/2)(BD BOARD)
DIGITAL PLL
RFAC
EFM
MIX VARI-PITCH
DEMODULATOR
DOUBLE SPEED
ASYMMETRY
CORRECTOR
ASYI
SYNC
ASYO PROTECTOR
TIMING TIMING
18-TIMES
GENERATOR 1 GENERATOR 2
OVERSAMPLING
FILTER
NOISE
SHAPER
CLV
SUBCODE Q
PROCESSOR
PROCESSOR
94 95 96 97 74 73 78
18 37
28 LDON
1 3 5 4
SYSTEM CONTROLLER
IC101 (1/3)(MAIN BOARD)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
(BD BOARD)
FOK
FOK
93
MIRR
91
DFCT
92
SENS
80
DATA
86
CPU CLOK
88
XLAT
87
SSTP 99
S101
(LIMIT)
A+5V
16 16
IC104
20 63 62
XTSL
CLOCK
64
GENERATOR
DATA
46
BCLK
47
REGISTER
LRCK
45
GFS
54
RFCK
32K
55
C2PO
RAM
56
ADDRESS PRIORITY PEAK
GENERATOR ENCODER DETECTOR
DOUT
DIGITAL
71
OUT
SUBCODE P – W
PROCESSOR
81
XRST
SCLK
77 76 75 79
83
D+5V
2 10
36
CTRL1 11
CD MECHANISM
CONTROLLER CTRL2 27
IC502 (1/2)
LEVEL SHIFT DISC SENSOR
DISC-SENS 75
Q701 IC703
TABLE SENSOR
T-SENS 76
IC702
S801
(OPEN/CLOSE DET)
CLOSE
OPEN 81
OPEN
ENC1 80 4
ROTARY
79 2
ENC2 ENCODER
S811
ENC3 78 3
DISC TRAY SLIDE MOTOR DRIVE
IC801
FIN OUT1
LOAD-OUT 63 10 MOTOR 7 M801
M
RIN OUT2
DRIVE (SLIDE MOTOR)
LOAD-IN 64 2 4
DISC TRAY TURN MOTOR DRIVE
IC701
IN1 OUT1
TBL-L
60 3 MOTOR 7 M701
M
IN2 OUT2
DRIVE (TURN MOTOR)
TBL-R 61 6 2
MCLK
33.8MHz
A
(Page 17)
CTL1
DATA, BCK,
LRCK, C2PO
DATA
B (Page 17)
BCK
LRCK
C2PO
OPTICAL
CD OPTICAL
TRANSCEIVER
DIGITAL OUT
IC107
CTL1
CTL2
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT
RESET
C (Page 17)