Block Diagrams - Cd Servo Section - Sony HCD-HPX9 Service Manual

Q Q
7-1. BLOCK DIAGRAMS — CD SERVO SECTION —
3 7 6 3 1 5 1 5 0
DETECTOR
CD +3V
A
B
C
D
F
E
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
LASER DIODE
AUTOMATIC
POWER
CONTROL
Q10
PD LD
MOTOR/COIL DRIVE
T E
L 1 3 9 4 2 2 9 6 5 1 3
CH4OUTF
16
M101
M
CH4OUTF
(SPINDLE)
15
CH3OUTF
17
M102
M
CH3OUTR
(SLED)
18
2-AXIS
DEVICE
CH1OUTF
14
CH1OUTR
13
CH2OUTF
12
CH2OUTR
11
w w w
HCD-HPX9
CD DSP
IC101 (1/2)
A
AC_ EQ_
26
RF
SUM IN RFACO
RFAC
SUMMING 34 35 EQ
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
IC251
CH4IN OPIN+
OPOUT
MOTOR
24 27 2
DRIVE
21 23
CD DSP
IC101 (2/2)
CH3FIN
23
MOTOR A/D
CH3RIN
DRIVE CONVERTER
21
SFDR
FOCUS/
9
TRACKING/SLED
SRDR
10
SERVO DSP
CH1FIN TFDR
4 11
COIL
CH1RIN TRDR
DRIVE
5 12
FFDR
13
FRDR
14
CH2FIN
5
COIL
CH2RIN
DRIVE
7
MUTE
20
7
S101
(LIMIT)
x a o
y
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FILTER
45 46 51 53 50 52 112
RFACI EFM
ASYMMETRY
41 DIGITAL PLL
42
DEMODULATOR
CORRECTOR
TO SERVO AUTO
SUBCODE
SEQUENCER
PROCESSOR
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
6 100 102 105 104 107 115 98 99 96 97
38 34 23 24 19
CD MIDIN 36
CD MIDIO 35
CD MICK 37
CD MICS 26
Q Q
3 7 6
CD MIACK 32
CD MP3REQ 27
CD MILP 25
CD MP3RST 33
CD MP3STB 28
SYSTEM CONTROLLER
IC306 (1/3)
XTCN 55
CD AMUTE 39
CDM80 LOAD-IN
CDM80 LOAD-OUT
(OUT SW) CDM80 SW1
(CHUCK SW) CDM80 SW2
(OPEN) SW1
FOK
3 (CLOSE) SW2-1
MIRR,
MIRR
DFCT, FOK 1 (LOD POSITION) SW2-2
DFCT
DETECTOR
2 (PUSH-CLOSE) SW3
(8cm) SW4
(TRIGGER SW) CDM80 SW3
COUT
119
SERVO
SCLK
INTERFACE
108
LOD POS
LOD NEG
SERVO AUTO
ELV E3
SEQUENCER
ELV E2
ELV E1
ELV E0
TO CPU INTERFACE
ELV POS
ELV NEG
CD DISCSENS1
22 CD XRST
u 1 6 3
CD DISCSENS2
.
59 59
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2 4
8 9 9
117 93
CLOCK
GENERATOR
XTACN
AOUT1
D/A
CONVERTER
AOUT2
32K
D/A
RAM
DIGITAL
INTERFACE
ERROR
CORRECTOR
SELECTOR
110 111 113 68 63 66 65 62 60 61
MP3 DECODER
IC301
19 18 16 15 14 11
6 MIDIO
7 MICK
4 MICS
3 1 5 1 5 0 8 9 2
8 MIACK
36 PO11/BUCK/AD14
5 MILP
2 RESET
3 STANDBY
LOADING MOTOR DRIVE
IC701
60
7 FIN
59 9 RIN
63 S701(OUT)
65 S702(CHUCK)
48 S811(OPEN)
46
S821(LOD POSITION/CLOSE)
47
45 S831(PUSH-CLOSE)
44 S841(8cm) LOADING MOTOR DRIVE
IC801
61 S851(12cm)
52 7 FIN
51 9 RIN
40
S881
41 ROTARY
ELV
ENCODER ELEVATOR MOTOR DRIVE
42
IC811
43
50
7 FIN
49 9 RIN
S861(DICS 1)
DAC
S862(DICS 2) m
2
R851-856
S863(DICS 3)
S864(DICS 4)
c o DAC
1 S865(DICS 5)
R857-862
S866(DICS(+1))
HCD-HPX9
2
8 9 9
XTAO
77
X171
XTAI
16.9344MHz
78
95
CD
A
81
86 R-CH
MUTING
Q102
R-CH
CD MUTING
CONTROL
Q317, 318
4 9 8 2 9 9
M701
OUT1 4
M
(LOADING)
OUT2 2
M871
OUT1 4
M
(LOADING)
OUT2 2
M881
OUT1 4 M
(ELV)
OUT2 2
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY