Read Sony HCD-XB66 / HCD-XB660 / LBT-XB66 / LBT-XB660 Service Manual online
– 27 –
– 28 –
HCD-XB66/XB660
7-2.
BLOCK DIAGRAM
– CD Section –
XROF
M
M
A
B
D
F
E
C
I-V AMP
DETECTOR
39
1
2
10
6
5
4
38
16
15
18
17
12
OUT2A
OUT2B
SLO
OUT3B
OUT3A
OUT4A
OUT4B
SPINDLE
MOTOR DRIVE
M101
(SPINDLE)
SLED
MOTOR DRIVE
11
M102
(SLED)
FOCUS
COIL DRIVE
BUFFER
OUT1A
OUT1B
OUT1B
3
6
27
9
26
24
IN3B
IN4A
MUTE
IN2A
IN1B
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-213D/Q-NP)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
44
23
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC101 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
40
38
FILTER
42
39
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
SERIAL
INPUT
INTERFACE
OVER
SAMPLING
DIGITAL
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
BUFFER
ERROR
CORRECTOR
16K
RAM
SUB-CODE
PROCESSOR
SERVO AUTO SEQUENCER
DIGITAL CLV
17
15
52
54
50
100
16
LRCKI
BCKI
8 7 9 10 12 11 75 76 77
26
28
14
13
TBL-L
TBL-R
S101
(LIMIT)
+5V
M
9
1
7
3
MOTOR
DRIVE
DISC TRAY TURN MOTOR DRIVE
IC201
OUT1
OUT2
IN1
IN2
M201
(DISC TRAY TURN)
41
42
36
37
1
40
45
2
47
13
14
6
25
24
13
+
PD1
PD1 I-V AMP
RFO
RF
46
ASYI
47
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
CNIN
SQ-DATA-IN
SQ-CLK
SENS
CD-DATA
CD-CLK
XLT
SCOR
MON
MDP
MDS
29
LOCK
64
SQSO
SQCK
SENS
DATA
CLOK
XLAT
SCOR
SBSO
EXCK
SPOD
GFS
EMPH
WFCK
GTOP
X101
16.9344MHz
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
XRST
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q101
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
F
E
LD
89
XRST
XTAI
90
XTAO
70
C4M
CKOUT
PCMD
BCK
LRCK
63
C2PO
62
49
RFCK
WDCK
PCMDI
XRST
SLED SERVO
IC101 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
SYSTEM CONTROLLER
IC301 (1/3)
ON : When the optical pick-up
is inner position.
• SIGNAL PATH
(Page 31)
: CD PLAY
: DIGITAL OUT
27
CPU INTERFACE
D/A
INTERFACE
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC391
IC391
CD DIGITAL
OUT
OPTICAL
TIMING
LOGIC
74
58
DOUT
71
53
55
55
51
EMPHI
AOUT1
AOUT2
LOUT1
LOUT2
R-CH
AIN1
AIN2
CD-L
SENS2
73
34
36
74
74
47
48
58
18
DISC TRAY SENSOR
IC202
UPSW
S201
(UP)
57
A
T-SENS 76
LED DRIVE
Q201
TRAY-LED
D201
(DISC No.)
62
TRACKING
COIL DRIVE
OP
OUT
OUT
OP+,
OP–
22, 23
6
INTERNAL BUS
DIGITAL
OUT
61
72
73
84
95
85
94
86
93
77
21
60
61
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