Block Diagram - Cd Servo Section - Sony HCD-HPX7 Service Manual

7-1. BLOCK DIAGRAM — CD SERVO SECTION —
DETECTOR CD +3V
A
B
C
D
F
E
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
LASER DIODE
AUTOMATIC
POWER
CONTROL
Q10
PD LD
16
M101
M
(SPINDLE)
15
17
M102 M
(SLED)
18
2-AXIS
DEVICE
14
13
12
11
HCD-HPX7
A
AC_ EQ_
26
RF
SUM IN
RFAC
SUMMING 34 35
VCA
B
AMP
27
C
28 FOCUS
FEO
ERROR 24
D AMP
29
F
20
TEO
TRACKING
E
22
19
ERROR AMP
LD
APC LD PD
36 37
AMP
MOTOR/COIL DRIVE
IC251
CH4OUTF
CH4IN OPIN+
OPOUT
MOTOR
24 27 2
CH4OUTF
DRIVE
CD DSP
IC101 (2/2)
CH3OUTF CH3FIN
23
MOTOR
CH3OUTR CH3RIN
DRIVE
21
SFDR
9
TRACKING/SLED
SRDR
10
CH1OUTF CH1FIN
TFDR
4 11
COIL
CH1OUTR TRDR
CH1RIN
DRIVE
5 12
FFDR
13
FRDR
14
CH2OUTF CH2FIN
5
COIL
CH2OUTR CH2RIN
DRIVE
7
MUTE
20
S101
(LIMIT)
FILTER
CD DSP
IC101 (1/2)
45 46 51 53 50 52 112
RFACO RFACI
ASYMMETRY
41 DIGITAL PLL
EQ 42
CORRECTOR
TO SERVO AUTO
SEQUENCER
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
6 100 102 105 104 107
38 34 23 24 19
SYSTEM CONTROLLER
IC306 (1/3)
21 23
A/D
CONVERTER
(OUT SW) CDM80 SW1
(CHUCK SW) CDM80 SW2
FOK
3
FOCUS/ MIRR,
MIRR
DFCT, FOK 1 (LOD POSITION) SW2-2
DFCT
SERVO DSP DETECTOR
2
COUT (TRIGGER SW) CDM80 SW3
119
SERVO
SCLK
INTERFACE
108
SERVO AUTO
SEQUENCER
TO CPU INTERFACE
7
22 CD XRST
59 59
117
EFM
DEMODULATOR
32K
D/A
RAM
DIGITAL
INTERFACE
ERROR
CORRECTOR
SELECTOR
SUBCODE
PROCESSOR
115 98 99 96 97 110 111 113 68 63 66 65
MP3 DECODER
IC301
19 18 16 15
CD MIDIN 36
CD MIDIO 35 6 MIDIO
CD MICK 37 7 MICK
CD MICS 26 4 MICS
CD MIACK 32 8 MIACK
CD MP3REQ 27 36 PO11/BUCK/AD14
CD MILP 25 5 MILP
CD MP3RST 33 2 RESET
CD MP3STB 28 3 STANDBY
XTCN 55
CD AMUTE 39
CDM80 LOAD-IN 60
CDM80 LOAD-OUT 59
63 S701(OUT)
65 S702(CHUCK)
(OPEN) SW1 48 S811(OPEN)
(CLOSE) SW2-1 46
S821(LOD POSITION/CLOSE)
47
(PUSH-CLOSE) SW3 45 S831(PUSH-CLOSE)
(8cm) SW4 44 S841(8cm)
61 S851(12cm)
LOD POS 52
LOD NEG 51
ELV E3 40
S881
ELV E2 41
ROTARY
ELV
ENCODER
ELV E1 42
ELV E0 43
ELV POS 50
ELV NEG 49
S861(DICS 1)
DAC
S862(DICS 2)
CD DISCSENS1 2
R851-856
S863(DICS 3)
S864(DICS 4)
DAC
S865(DICS 5)
CD DISCSENS2 1
R857-862
S866(DICS(+1))
HCD-HPX7
93
XTAO
77
CLOCK X171
XTAI
GENERATOR 16.9344MHz
78
XTACN
95
CD
AOUT1
A
81
D/A
CONVERTER
AOUT2
86 R-CH
MUTING
Q102
R-CH
CD MUTING
CONTROL
Q317, 318
62 60 61
14 11
LOADING MOTOR DRIVE
IC701
7 FIN OUT1 4 M701
M
(LOADING)
9 RIN OUT2 2
LOADING MOTOR DRIVE
IC801
7 FIN OUT1 4 M871
M
(LOADING)
9 RIN OUT2 2
ELEVATOR MOTOR DRIVE
IC811
M881
7 FIN OUT1 4
M
(ELV)
9 RIN OUT2 2
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY