Diagrams; Block Diagram - Servo Section - Sony HCD-VP1 Service Manual

5-1. BLOCK DIAGRAM – SERVO Section –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC703
DETECTOR
A+5V
7
A
A
4 3
RF
B SUMMING
B
AMP
2
4
C
C
1 5
D
D
5
6
ERROR AMP
F
F
10 8 F I-V AMP
E
TRACKING
E
6 9 E I-V AMP
ERROR AMP
OPTICAL PICK-UP
(KSS-213C/K1N)
LASER DIODE
AUTOMATIC
LD
APC LD
POWER
1
AMP
CONTROL
LD Q701
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
OUT+
27
M101
MOTOR
M
OUT–
(SPINDLE)
DRIVE
26
OUT+ IN+
16 20
M102 MOTOR
M
OUT– IN–
(SLED) DRIVE
17 19
2-AXIS
DEVICE
OUT– IN–
12 10
COIL
OUT+ IN+
DRIVE
9
13
OUT+
IN–
1 4
COIL
OUT– IN+
DRIVE
2 5
MUTE 15
05
SECTION 5

DIAGRAMS

DIGITAL SIGNAL PROCESSOR
IC701 (1/2)
RFAC
RF EQ RFO
16
36
AMP
RF EQ
RFE
ASYMMETRY
17 SWITCH
CORRECTOR
Q702
ASYI
FE 38
FOCUS
15
ASYO
39
FE BIAS
14
18-TIMES
OVERSAMPLING
FILTER
NOISE
TE
SHAPER
13
CLV
PROCESSOR
94 95 96 97
LDON
19
PD
APC PD
2
AMP
28 27 29 26
DIGITAL SERVO
PROCESSOR
IC701 (2/2)
A/D
CONVERTER
SFDR
100
SRDR
2
TFDR
4 MIRR/DFCT/
TRDR FOK
6
DETECTOR
FFDR
8
FOK
FRDR
MIRR
10
DFCT
SENS
SERVO SERVO AUTO
INTERFACE SEQUENCER
DATA
CLOK
CPU
INTERFACE XLAT
89
FILTER
31 33 34 32
GENERATOR
DIGITAL PLL
EFM
MIX VARI-PITCH REGISTER
DEMODULATOR
DOUBLE SPEED
32K
RAM
SYNC
PROTECTOR
ADDRESS PRIORITY
GENERATOR ENCODER
TIMING TIMING
GENERATOR 1 GENERATOR 2
SUBCODE Q
SUBCODE P – W
PROCESSOR
PROCESSOR
76
81 74 73 78 77 75
D+5V
SCOR
VCD BLOCK
(1/2)
LDON
SYSTEM SELECT
VIDEO SYSTEM
LIMIT S701
(LIMIT)
A +5V
DISC TRAY OPEN/CLOSE
MOTOR DRIVE
IC309
93
FOK
91
TR-OPEN 5 IN1
92
TR-CLOSE 6 IN2
80 SENS
86
DATA
88 CLK
87 XTL
SW-CLOSE
SW-OPEN
XRST
15 15
CTRL2
IC704
XTAL 16.9344MHz
20 63 62
CLOCK
DATA
46 AD
BCLK
47 BCK
LRCK
45 LRCK
GFS
GFS
54
RFCK
55
C2PO
56 C2PO
PEAK
DETECTOR
DOUT
DIGITAL
71 DO
OUT
SCLK
83 79
15 11 100 17 13 12
SW401
PAL
AUTO
SYSTEM CONTROLLER
IC801 (1/4)
NTSC
OUT1 2
M
OUT2 10
M901
DISC TRAY
OPEN/CLOSE
S901
(DISC TRAY CLOSE DET)
S902
(DISC TRAY OPEN DET)
HCD-VP1
CD L-CH
F (Page 17)
L-OUT
R-OUT R-CH
J401
VIDEO OUT
VIDEO OUT
OPTICAL
OPTICAL
DO TRANSCEIVER
DIGITAL OUT (CD)
IC308
• SIGNAL PATH
: CD PLAY (AUDIO)
: CD PLAY (VIDEO)
: DIGITAL OUT