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

Compact disc deck receiver.
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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

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