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

Q Q
3 7 6 3 1 5 1 5 0
7-1. BLOCK DIAGRAM – CD SERVO Section –
DETECTOR
D +3.3V
A
A
26
B
B
27
C
C
28
D
D
29
F
F
20
E
E
19
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
LASER DIODE
AUTOMATIC
LD
POWER
36
CONTROL
Q10
PD LD
T E
L 1 3 9 4 2 2 9 6 5 1 3
MOTOR/COIL DRIVE
IC251
CH4OUTF
16
M101 MOTOR
M
CH4OUTR
(SPINDLE) DRIVE
15
CH3OUTF
17
MOTOR
M102
M
CH3OUTR
DRIVE
(SLED)
18
2-AXIS
DEVICE
CH1OUTF
14
COIL
CH1OUTR
DRIVE
13
CH2OUTF
12
COIL
CH2OUTR
DRIVE
11
MUTE
20
w w w
HCD-NEZ3/NEZ5
SECTION 7

DIAGRAMS

CD DSP
IC101 (1/2)
AC_ EQ_
RF
SUM IN
RFAC RFACO
SUMMING 34 35 EQ 41
VCA
AMP
FOCUS
FEO
ERROR 24
AMP
TEO
TRACKING
22
ERROR AMP
PD
APC LD
37
AMP
CH4IN OPOUT OPIN+
24 27 2
21 23
CD DSP
IC101 (2/2)
CH3FIN
23
A/D
CH3RIN
CONVERTER
21
SFDR
FOCUS/
9
TRACKING/SLED DFCT, FOK
SRDR
10
SERVO DSP DETECTOR
CH1FIN TFDR
4 11
CH1RIN TRDR
5 12
SERVO
INTERFACE
FFDR
13
FRDR
14
CH2FIN SERVO AUTO
6
SEQUENCER
CH2RIN
7
TO CPU INTERFACE
7
S101
(LIMIT)
x a o
y
. i
http://www.xiaoyu163.com
FILTER
51 53 50 52 112
RFACI
ASYMMETRY EFM
42 DIGITAL PLL
CORRECTOR DEMODULATOR
ASYI
45
ASYO
46
TO SERVO AUTO
SUBCODE
SEQUENCER
PROCESSOR
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
6 100 102 105 104 107 115 98 99 96 97
31 33 68 32 19
MP3DI 29
Q Q
3 7 6
MP3DO 30
MP3CLK 28
MICS 73
MILP 70
MIACK 72
MP3REQ 69
MP3STB 71
MP3RST 75
XTCN 66
SYSTEM CONTROLLER
IC1801 (1/2)
FOK
3
MIRR,
MIRR
1
DFCT
2
COUT
119
SCLK
108
67
u 1 6 3
15 15
http://www.xiaoyu163.com
2 4
8 9 9
117 93
XTSL
XTAO
CLOCK
XTAI
GENERATOR
XTACN
AOUT1
D/A
CONVERTER
AOUT2
32K
D/A
RAM
DIGITAL
INTERFACE
ERROR
CORRECTOR
SELECTOR
110 111 113 68 63 66 65 62 60 61
MP3 DECODER
IC301
19 18 16 15 14 11
3 1 5 1 5 0 8 9 2
6 MIDIO
7 MICK
4 MICS
5 MILP
MIACK
8
36 PO11/BUCK/AD14
3 STANDBY
2 RESET
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
m
c o
.
HCD-NEZ3/NEZ5
2
8 9 9
77
X171
16.9344MHz
78
95
CD
(Page 16)
A
81
86 R-CH
4 9 8 2 9 9
: CD PLAY