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HCD-NEZ31
15
15
HCD-NEZ31
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO Section –
OPTICAL
PICK-UP BLOCK
(KSM-213CDP)
CH2OUTF
CH2FIN
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
IC402
12
6
CH2OUTR
11
CH1OUTR
13
CH1OUTF
14
CH3OUTF
17
CH3OUTR
18
SL–
SL+
TRK–
TRK+
FCS–
FCS+
2-AXIS
DEVICE
PD
LD
B
A
D
C
F
E
M402
(SLED)
M
CH4OUTF
16
CH4OUTR
15
CH2RIN 7
CH1RIN 5
CH1FIN 4
CH3FIN 23
CH3RIN 22
OPIN+ 3
CH4IN 24
OPOUT 27
FFDR
45
PD
67
F
51
E
50
D
60
C
59
B
58
A
57
LD
66
FRDR
46
TRDR
44
TFDR
43
SFDR
41
SRDR
42
MDP
38
SP–
SP+
M401
(SPINDLE)
M
CD DSP
IC201
SYSTEM CONTROLLER
IC801 (1/2)
XTAI 109
XTAO 108
SSTP 39
X201
16.9344MHz
S201
(LIMIT)
D +3.3V
CD
RFACO
AOUT1 112
AOUT2 117
70
RFACI
71
XRST
8
MUTE
20
XTACN 7
SSTB-MP3 85
ACK-MP3 15
I-MP3-ACK
50
A
AUTOMATIC
POWER CONTROL
Q321
O-MP3-SSTB
11
O-CD-XTACN
34
O-CD-XRST
3
O-MP3-SSTB
11
IREQ-MP3 10
REQ-MP3 14
XLAT-MP3 13
CLK2 90
O-MP3-CLK
6
O-MP3-XLAT
10
O-MP3-REQ
12
I-MP3-REQ
49
DATA2 12
SCOR 26
I-CD-SCOR
43
O-MP3-DATA
5
I-MP3-DATA
7
SENS 20
XLAT 16
CLOK 11
DATA 89
O-CD-DATA
31
O-CD-CLK
30
O-CD-XLAT
8
I-CD-SENS
29
R-CH
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
(Page 16)