Block Diagram - Cd Section - Sony HCD-CQ1 Service Manual

HCD-CQ1
6-2. Block Diagram – CD Section –
A+3.3V
A
6
RFAC
SUMMING
B
AMP
7
C
8
FOCUS
ERROR AMP
D
DETECTOR
9
RFDC
AMP
F
11 F I-V AMP
TRACKING
E
10 E I-V AMP
ERROR AMP
OPTICAL PICK-UP
BLOCK
(KSS-213D/Q-RP)
LASER DIODE
AUTOMATIC
LD
POWER APC LD
1
CONTROL AMP
Q101
PD LD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
16
M101 MOTOR
M
(SPINDLE) DRIVE
15
17
M102 MOTOR
M
(SLED) DRIVE
18
2-AXIS
DEVICE
12
COIL
DRIVE
11
13
COIL
DRIVE
14
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AC EQ
SUM IN
RFAC RFAC
4 3 EQ 15 51
VCA
49
FE 48
16
FEI PWM1
17
RFDCO
28
RFDCI PWM3
29
TE
18
A+3.3V
TE BAL
19
SW
12
PD
2
PWM2
24
39 43
40 41
DIGITAL SERVO
PROCESSOR
23
IC101 (2/2)
A/D
22 CONVERTER
SFDR
28
SRDR
29
TFDR
MIRR/DFCT/
7 30
FOK
TRDR
6 31
DETECTOR
FFDR
32
FRDR
33
5
TO SERVO INTERFACE
4
MUTE 20
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
54 56 53 55
16K
RAM
INTERFACE
RFAC
ASYMMETRY DIGITAL EFM
CORRECTION PLL DEMODULATOR
ASYI
ASYO
ERROR
CORRECTOR
DIGITAL SUBCODE SERVO AUTO SERVO
CLV PROCESSOR SEQUENCER INTERFACE
CPU INTERFACE
26 3 5 7 6 14 8 20 1 2 9 21 27 64 15
ON :
D+3.3V
4 45 7 6
CD DATA
47
CD DATA
CD CLOK
46 CD CLK
XLAT
34 XLT
22 LD-ON
PWM1
23 BU PWM1
PWM2
27 BU PWM2
PWM3
28 BU PWM3
SYSTEM CONTROLLER
IC101 (1/2)
FOK
24
MIRR
22
DFCT
23
5
X-RST
22 22
PCMD
62
BCK
D/A
63
LRCK
61
C2PO
19
AOUT1
70
SERIAL DIGITAL PWM
IN FILTER, &
AOUT2
INTERFACE NOISE SHAPER INTEGRATOR
77
TO MIRR/DFCT/
FOK DETECTOR
CLOCK
DIGITAL
GENERATOR
OUT
18 60
S101
(LIMIT)
When the optical
pick-up is inner
position
• R-CH is omitted due to same as L-ch.
• signal path
CD
L-CH
AIN1 LOUT1
A
71 72
BUFFER
MAIN SECTION
AIN2 LOUT2
76 75 R-CH
TIMING
LOGIC
67 66
X101
16.9344MHz
: CD