Diagrams; Block Diagram - Cd Servo Section - Sony HCD-NE3 Service Manual

6-1. BLOCK DIAGRAM – CD SERVO Section –
DETECTOR D +3.3V
A
A
25
B SUMMING
B
26
C
C
27 FOCUS
ERROR
D
D
28
F
F
19
E
TRACKING
E
18
ERROR AMP
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
LASER DIODE
AUTOMATIC
LD
APC LD
POWER
34
AMP
CONTROL
Q10
PD LD
MOTOR/COIL DRIVE
IC251
CH4OUTF
16
CH4IN
M101 MOTOR
M
24
CH4OUTR
(SPINDLE) DRIVE
15
CH3OUTF
CH3FIN
17 23
MOTOR
M102
M
CH3OUTR
CH3RIN
DRIVE
(SLED)
18 22
2-AXIS
DEVICE
CH1OUTF CH1FIN
14 4
COIL
CH1OUTR CH1RIN
DRIVE
13 5
CH2OUTF CH2FIN
12 6
COIL
CH2OUTR CH2RIN
DRIVE
11 7
MUTE
20
SECTION 6

DIAGRAMS

CD DSP
IC101 (1/2)
AC_ EQ_
RF
SUM IN RFACO
RFAC
32 33 EQ 38 39
VCA
AMP
42
FEO
43
23
AMP
TEO
21
PD
35
OPOUT OPIN+
27 2
20 22
CD DSP
IC101 (2/2)
A/D
CONVERTER
SFDR
FOCUS/ MIRR,
9
TRACKING/SLED DFCT, FOK
SRDR
10
SERVO DSP DETECTOR
TFDR
11
TRDR
12
SERVO
INTERFACE
FFDR
13
FRDR
14
SERVO AUTO
SEQUENCER
TO CPU INTERFACE
7
S101
(LIMIT)
FILTER
48 50 47 49 105
RFACI
ASYMMETRY EFM
DIGITAL PLL
CORRECTOR DEMODULATOR
ASYI
ASYO
TO SERVO AUTO
SUBCODE
SEQUENCER
PROCESSOR
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
6 93 95 98 97 100 108 91 92 89 90 103 104 106 64
6 8 9 7 27
CD XTXCN 3
SYSTEM CONTROLLER
IC801 (1/2)
FOK
3
MIRR
1
DFCT
2
COUT
112
SCLK
101
5
15 15
110 86
XTSL
XTAO
72
CLOCK
XTAI
GENERATOR
73
XTACN
88
AOUT1
76
D/A
CONVERTER
AOUT2
32K 81
D/A R-CH
RAM
DIGITAL
INTERFACE
ERROR
CORRECTOR
SELECTOR
59 62 61 58 56 57
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
HCD-NE3
X171
16.9344MHz
CD
A (Page 16)