Diagrams; Block Diagram - Cd Servo Section - Sony HCD-NEZ3 Service Manual

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4.

DIAGRAMS

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4-1. BLOCK DIAGRAM – CD SERVO Section –
OPTICAL
PICK-UP BLOCK
(KSM-213CDP)
A
B
C
D
E
F
AUTOMATIC
LD
POWER CONTROL
PD
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
2-AXIS
DEVICE FCS+
12 CH2OUTF
FCS–
T E
L 1 3 9 4 2 2 9 6 5 1 3 11 CH2OUTR
TRK+
13 CH1OUTR
TRK–
14 CH1OUTF
SL+
17 CH3OUTF
M402
M
(SLED)
SL–
18 CH3OUTR
SP+
16 CH4OUTF
M401
M
(SPINDLE)
SP–
15 CH4OUTR
w w w
HCD-NEZ3/NEZ5
70 71
RFACO RFACI
57 A
58 B
59 C
AOUT1 112
60 D
AOUT2 117
50 E
51 F
XTAI 109
66 LD
Q321
XTAO 108
67 PD
CD DSP
IC201
SSTP 39
IC402
CH2FIN 6 45 FFDR
DATA 89
CH2RIN 7 46 FRDR
CLOK 11
CH1RIN 5 44 TRDR
XLAT 16
CH1FIN 4 43 TFDR
SENS 20
CH3FIN 23 41 SFDR SCOR 26
DATA2 12
CH3RIN 22 42 SRDR
CLK2 90
XLAT-MP3 13
OPIN+ 3 38 MDP
REQ-MP3 14
OPOUT 27
IREQ-MP3 10
ACK-MP3 15
CH4IN 24
SSTB-MP3 85
XTACN 7
MUTE XRST
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R-CH
X201
16.9344MHz
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
S201
(LIMIT)
D +3.3V
SYSTEM CONTROLLER
IC801 (1/2)
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31 O-CD-DATA
3 7 6 3
30 O-CD-CLK
8 O-CD-XLAT
29 I-CD-SENS
43 I-CD-SCOR
7 I-MP3-DATA
5 O-MP3-DATA
6 O-MP3-CLK
10 O-MP3-XLAT
12 O-MP3-REQ
49 I-MP3-REQ
50 I-MP3-ACK
11 O-MP3-SSTB
34 O-CD-XTACN
3 O-CD-XRST
11 O-MP3-SSTB
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