Service manual

HCD-NEZ30
1717
HCD-NEZ30
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
CH3OUTF17 CH3OUTR18
SL– SL+
TRK– TRK+
FCS– FCS+
2-AXIS
DEVICE
PD
LD
B A
D
C
F
E
M402
(SLED)
M
CH4OUTF16 CH4OUTR15
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-SSTB11 O-CD-XTACN34 O-CD-XRST
3
O-MP3-SSTB
11
IREQ-MP3 10
REQ-MP3
14
XLAT-MP3
13
CLK2
90 O-MP3-CLK6
O-MP3-XLAT
10
O-MP3-REQ12 I-MP3-REQ
49
DATA2
12
SCOR
26 I-CD-SCOR43
O-MP3-DATA5
I-MP3-DATA
7
SENS 20
XLAT
16
CLOK
11
DATA
89
O-CD-DATA
31
O-CD-CLK30 O-CD-XLAT8 I-CD-SENS
29
R-CH
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
(Page 18)