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21
21
HTC-NX300
CD MECHANISM CONTROLLER
IC505 (1/2)
A/D
CONVERTER
VO1 (+)
VO1 (–)
5
4
7
2
1
5
10
6
6
7
8
16
15
14
13
10
11
22
4
3
27
23
26
5
6
2
3
17
18
15
16
A
E
B
C
D
A
CD A+5V
CD A+5V
F
DETECTOR
A
B
C
D
RF
SUMMING
AMP
LEVEL SHIFT
Q701
MOTOR
DRIVE
M702
(LOADING)
DISC IN DETECT
SENSOR
D704,Q703
RF EQ
SWITCH
Q102
FOCUS
ERROR AMP
RF EQ
AMP
TRACKING
ERROR AMP
RFO
RFE
CTL1
FE
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
F
F I-V AMP
E I-V AMP
AUTOMATIC
POWER CONTROL
Q101
OPTICAL
TRANSCEIVER
IC207
CD DIGITAL OUT
OPTICAL
APC LD
AMP
APC PD
AMP
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
CTL2
FILTER
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTOR
EFM
DEMODULATOR
DIGITAL SIGNAL PROCESSOR
IC101 (1/2)
MDP
DIGITAL
CLV
PROCESSOR
32K
RAM
ERROR
CORRECTOR
INTERNAL BUS
SQCK
SQSO
MUTE
EXCK
PCMD
DATA
BCK
LRCK
C2PO
C4M
XTSL
XTAO
XTAI
BCK
LRCK
WDCK
C2PO
CTL1
MD2
DOUT
DIGITAL
OUT
D/A
DIGITAL
INTERFACE
CLOCK
GENERATOR
SUBCODE
PROCESSOR
SCOR
WFCK
XUGF
GFS
EMPH
SENSE
DATA
CLOK
XLAT
SBSO
SENSE CLK
SENSE
DSP CLK
DSP DATA
DSP LATCH
SE
TE
FE
RFDC
FOCUS/
TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
IN1
IN2
OUT1
OUT2
ENCODE2
ENCODE1
ENCODE0
DISC SENS
OPIN4 (+)
OPIN3 (–)
OPIN4 (–)
VO4 (+)
VO4 (–)
OPIN2 (+)
OPIN2 (–)
OPIN1 (+)
OPIN1 (–)
STBY2
STBY1
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
COUT
S101
(LIMIT)
CD A+5V
MIRR,
DFCT, FOK
DETECTOR
DISC TRAY
ADDRESS DETECT
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
SCLK
TO CPU INTERFACE
FOK
MIRR
DFCT
VO3 (+)
VO3 (–)
M101
(SPINDLE)
MOTOR
DRIVE
XRST
LDON
DSP MUTE
MOTOR
DRIVE
COIL
DRIVE
VO2 (+)
VO2 (–)
COIL
DRIVE
M
M
M102
(SLED)
05
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP BLOCK
(KSS-213B/Z-N)
LDON
21
HOLD SW
PD
(Page 22)
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT
I-V AMP
12
11
13
14
CTRL1
CTRL2
CTL1
CTL2
SUBQ DATA
SUBQ CLK
SCOR
MCLK
33.8MHz
B
(Page 22)
DATA, BCK,
LRCK, C2PO
C
(Page 22)
IC104
RESET
DEVICE RESET
XRST
PRTC SW
S702
S702 (LID)
(ON: When CD lid is close.)
S701 (MID OUT)
(ON: When tray is going to open/close.)
S708 (OUT)
(ON: When tray is open.)
S704 (IN)
(ON: When sub tray set to play position.)
S701
S708
S704
S703
S705
S706
MIDOUT SW
OUT SW
IN SW
MIDIN SW
INIT SW
CNT SW
XRESET
33
31
32
29
30
34
19
8
40 41 39 43
22
20
21
26
TO SERVO AUTO
SEQUENCER
50
53 55
XPCK
12
52 54
49
48
25
76 77
66
71
16
69
72
67
65
17
64
63
14
79 80
15
7
4 6 5
10 11 13 68
3
3 5 4
1
18
36 37
10
6
2
12
77
19
11
SYSTEM CONTROLLER
IC101 (1/3)
LOADING MOTOR DRIVE
IC702
4
56
63
65
68
69
70
92
3
6
7
2
M
MOTOR
DRIVE
M701
(ELEVATOR UP/DOWN)
IN1
IN2
OUT1
OUT2
ELEVATOR
UP/DOWN MOTOR DRIVE
IC701
3
6
7
2
M
67
66
20
9
60
58
59
61
57
93
2
ROTARY
ENCODER
S707
LOD NEG
LOD POS
CLP POS
CLP NEG
S703 (MID IN)
(ON: When sub tray move between tray and stocker.)
S705 (INIT)
(ON: When elevator down to bottom.)
S706 (COUNT)
(ON: When elevator up/down each sub tray stock position.)
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – SERVO Section –
Содержание HTC-NX300
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