Read Sony CX-LEM300 / XR-EM300 Service Manual online
17
17
CX-LEM300
6-1. Block Diagram – CD Section –
: CD
• Signal Path
SQSO
SQCK
A/D
CONVERTER
CH1OUTF
CH1OUTR
6
7
8
9
16
18
11
10
12
2
1
51
49
48
43
24
41
40
39
64 15
28
29
30
31
32
33
24
25
23
5
6
2
3
17
18
15
16
E
B
C
D
A
CD +5V
F
DETECTOR
A
B
C
D
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
IC103
RF AMP,
FOCUS/TRACKING ERROR AMP
TE
E
F
F I-V AMP
E I-V AMP
Q101
AUTOMATIC
POWER
CONTROL
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRY
CORRECTION
CORRECTION
DIGITAL
PLL
IC101 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
DATA
XLAT
CLOK
14
5
6
MDP
26
7
8
XLON
3
XRST
DIGITAL
CLV
D/A
INTERFACE
SE
TE
FE
RFDC
FOCUS/TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
CH3FIN
CH4SIN
CH3RIN
CH3OUTF
CH3OUTR
CH2FIN
CH2RIN
CH1FIN
CH1RIN
20
MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
S101
(LIMIT)
EMPH
WFCK
GFS
MIRR/DFCT/
FOK
DETECTOR
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
18
63
62
61
19
19
SENS
20
86
97
87
94
3
SCOR
C-SQSO
C-SQCK
C-XLT
C-CLK
C-DATA
C-SENS
S-SCOR
1 2
96 88
SCLK
COUT
9 21
SSTP
27
FOK
22
23
MIRR
DFCT
TO SERVO INTERFACE
CH4OUTF
CH4OUTR
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
CH2OUTF
CH2OUTR
M
M
(SLED)
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IC101 (2/2)
DIGITAL SERVO
PROCESSOR
OPTICAL PICK-UP
BLOCK
KSM-213EDP
SW
PD
I-V AMP
12
11
13
14
54
56 53
55
FILTER
FILO
PCO
CLTV
FILI
EFM
DEMODULATOR
SERIAL
IN
INTERFACE
DIGITAL
FILTER,
NOISE SHAPER
PWM
&
INTEGRATOR
BUFFER
CLOCK
GENERATOR
TIMING
LOGIC
DIGITAL
OUT
INTERNAL BUS
16K
RAM
ERROR
CORRECTOR
SUBCODE
PROCESSOR
60
85
C-XRST
XTAI
X101
16.9344MHz
AIN1
AIN2
AOUT1
AOUT2
TO MIRR/DFCT/
FOK DETECTOR
FOK DETECTOR
PCMD
BCK
LRCK
C2PO
C2PO
DOUT
66
XTAO
67
70
77
LOUT1
LOUT2
R-CH
72
75
71
76
A
MAIN SECTION
EQ
IN
15
3
4
EQ
AC
SUM
17
FEI
RF DC
AMP
28
RFDCO
29
RFDCI
COIL
DRIVE
COIL
DRIVE
2
1
C-PWM2
C-PWM1
PWM3
PWM2
PWM3
PWM2
95 C-LDOM
IC801 (1/2)
CD
L-CH
RFAC
VCA
+7V
+7V
+5V
SYSTEM CONTROLLER
+3.3V
REG
Q102
CD +5V
REG
Q317
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