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7-1.
BLOCK DIAGRAM – CD SERVO Section –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
DETECTOR
CD D+5V
7
A
A
4
5
RF
B
SUMMING
B
AMP
2
6
C
C
1
7
D
D
5
8
ERROR AMP
F
F
10
10
F I-V AMP
E
E
6
11
E I-V AMP
ERROR AMP
OPTICAL PICK-UP BLOCK
(KSS-213DH)
LASER DIODE
AUTOMATIC
LD
POWER
APC LD
3
CONTROL
AMP
Q101
PD
LD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
CH4OUTF
15
CH4SIN
M101
MOTOR
M
25
CH4OUTR
(SPINDLE)
DRIVE
16
CH3FIN
CH3OUTF
17
24
M102
MOTOR
M
CH3OUTR
CH3RIN
(SLED)
DRIVE
18
23
2-AXIS
DEVICE
CH2OUTF
CH2FIN
12
COIL
CH2OUTR
CH2RIN
DRIVE
11
CH1OUTF
CH1FIN
14
COIL
CH1RIN
CH1OUTR
DRIVE
13
MUTE
20
SECTION 7
DIAGRAMS
RF EQ
RFO
RFAC
ASYMMETRY
16
51
AMP
CORRECTION
ASYI
49
ASYO
48
FE
FOCUS
14
DIGITAL
TE
CLV
TRACKING
13
HOLD SW
21
26
3
14
LDON
22
APC PD
PD
4
AMP
39
43
40
41
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
A/D
CONVERTER
SFDR
28
SRDR
29
FOK
TFDR
5
30
MIRR/DFCT/
MIRR
FOK
TRDR
DFCT
6
31
DETECTOR
FFDR
32
FRDR
33
2
TO SERVO INTERFACE
3
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
54
56 53
55
16K
PCMD
62
RAM
BCK
D/A
63
LRCK
INTERFACE
61
C2PO
EFM
DIGITAL
19
PLL
DEMODULATOR
SERIAL
IN
INTERFACE
ERROR
CORRECTOR
SUBCODE
SERVO AUTO
SERVO
PROCESSOR
SEQUENCER
INTERFACE
DIGITAL
CPU INTERFACE
OUT
5 6
7
8
20
1 2
9 21 27
64 15
18
S101
(LIMIT)
ON :
When the optical pick-up
is inner position.
33
SQ-CLK
32
SQ-DATA
19
SCOR
56
SENS
37
CD-CLK
58
XLT
CD-DATA
35
57
HOLD
T-SENS
ENC3/UP-SW
ENC2/DISC-LED 69
24
22
23
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
59 XRST
19
19
AOUT1
AIN1
PWM
70
71
DIGITAL
FILTER,
&
BUFFER
AIN2
AOUT2
NOISE SHAPER
INTEGRATOR
77
76
TO MIRR/DFCT/
FOK DETECTOR
CLOCK
TIMING
GENERATOR
LOGIC
60
DISC TABLE
61
SENSOR
IC202
68
S201
(UP)
LED DRIVE
D201
Q201
(DISC No.)
TABLE MOTOR DRIVER
IC201
OUT1
IN1
TBL-L
63
9
7
MOTOR
M201
M
IN2
OUT2
DRIVE
(TABLE)
TBL-R
65
1
3
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
HCD-XG60/XG50
(XG60 : Mexican/XG500)
J705
L
SEND
R
R-CH
DJ MIX
L
RETURN
R-CH
R
CD-L
LOUT1
A
72
LOUT2
(Page 21)
75
R-CH
(EXCEPT XG60 : Mexican/XG500)
XTAI
66
XTAO
X101
67
16.9344MHz
IC781
CD DIGITALOUT
OPTICAL
OPTICAL
TRANSCEIVER
IC781
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
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