Block Diagrams - Cd Servo Section - Sony HCD-XGR6 Service Manual

HCD-XGR6/XGR60
6-2. BLOCK DIAGRAMS
– CD SERVO SECTION –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
CD D+5V
A
PD1 A
6
RF
B SUMMING
PD2 B
AMP
7
C
C
8
D
∑ A-D
D
9
FOCUS
ERROR AMP
F
I1-6 F
11 F I-V AMP
E
TRACKING
I5-10 E
10 E I-V AMP
ERROR AMP
OPTICAL PICK-UP BLOCK
(A-MAX.3)
LASER DIODE
LD
LD
APC LD APC PD
LD
DRIVE 1
AMP
Q101
PD LD
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
CH4OUTF
15
CH4SIN
M101 MOTOR
M
25
CH4OUTR
SPINDLE DRIVE
16
MOTOR
CH3OUTF CH3FIN
17 24
M102 MOTOR
M
CH3RIN
CH3OUTR
SLED DRIVE
18 23
MOTOR
T+ CH2OUTF CH2FIN
12 5
COIL
TRACKING
CH2OUTR CH2RIN
DRIVE
COIL
11 6
T-
F+ CH1OUTF CH1FIN
14 2
COIL
FOCUS
CH1OUTR CH1RIN
DRIVE
COIL
13
3
F-
MUTE 20
FILTER
54 56 53
RFAC RFAC ASYMMETRY DIGITAL
RF EQ
15 51
CORRECTION
AMP
ASYI
49
ASYO
RFDCO 48
28
DC
RFDCI PWM3
AMP 29
FE
16
FEI
PWM1
17
DIGITAL SUBCODE
TE CLV PROCESSOR
18
26 3 14 5 6
SW
12
NC
PD
2
AMP
PWM2
BUFFER
Q451-454
40 41 39 43
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
A/D
CONVERTER
SFDR
28
SRDR
29
FOK
TFDR
24 NC
MIRR/DFCT/
30
MIRR
FOK 22 NC
TRDR
DFCT
31
DETECTOR
23 NC
FFDR
32
FRDR
33
TO SERVO INTERFACE
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
55
PCMD
16K
62 NC
RAM
BCK
D/A
63 NC
LRCK
INTERFACE
61 NC
C2PO
EFM
19 NC
PLL DEMODULATOR
SERIAL DIGITAL
IN FILTER,
INTERFACE NOISE SHAPER
ERROR
CORRECTOR
SERVO AUTO SERVO
SEQUENCER INTERFACE
DIGITAL
CPU INTERFACE
OUT
7 8 20 1 2 9 21 27 64 15 18 60
NC NC NC NC
S101
(LIMIT)
ON : When the optical pick-up
is inner position.
33 SQ-CLK CD-MUTE 5
32 SQ-DATA
19 SCOR
34
SENS
37 CD-CLK
36 XLT TBL-SENS 49
35 CD-DATA
40 HOLD
BU UP/DW SW 48
PWM1
28 BU-PWM1
PWM2
26 BU-PWM2
PWM3 24
BU-PWM3
LED-DISK 47
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
MTR-CTRL1 44
MTR-CTR2 45
43 XRST
22 22
AOUT1 AIN1 LOUT1
70 71 72
PWM
& BUFFER
AOUT2 AIN2 LOUT2
INTEGRATOR
77 76 75
TO MIRR/DFCT/
FOK DETECTOR
XTAI
66
CLOCK
TIMING
XTAO
GENERATOR LOGIC
67
DISC TABLE
SENSOR
IC202
S201
(UP SWITCH)
LED DRIVE D201
Q201 (DISC No.)
TABLE MOTOR DRIVER
IC201
Q412
OUT2
IN2
1 3
MOTOR M201
M
(TABLE)
DRIVE
IN1 OUT1
9 7
Q411
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
XGR6/XGR60: MX
J702
L
SEND
R
R-CH
DJ MIX
L
RETURN
R-CH R
CD-L
A
(Page 24)
XGR60: E,E51,AR
R-CH
MUTE
Q401
X101
16.9344MHz
CD DIGITALOUT
OPTICAL
OPTICAL
TRANSCEIVER
IC451