Block Diagram - Cd Servo Section; Block Diagram - Sony HCD-XGR99AV Service Manual

HCD-XGR99AV
Q Q
7-2. BLOCK DIAGRAMS 3 7 6 3 1 5 1 5 0
– CD SERVO SECTION –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
CD D+5V
A
A
PD1
6
RF
B SUMMING
PD2 B
AMP
7
C
C
8
D
∑ A-D
D
9
F
I1-6 F
11 F I-V AMP
E
I5-10 E
10
E I-V AMP
OPTICAL PICK-UP BLOCK
(A-MAX.3)
LASER DIODE
LD
LD
LD APC LD
DRIVE 1
AMP
Q101
PD LD
PD
T E FOCUS/TRACKING COIL DRIVE,
L 1 3 9 4 2 2 9 6 5 1 3
SPINDLE/SLED MOTOR DRIVE
IC102
CH4OUTF
15
CH4SIN
M101 MOTOR
M
CH4OUTR
SPINDLE DRIVE
16
MOTOR
CH3OUTF CH3FIN
17
M102 MOTOR
M
CH3RIN
CH3OUTR
SLED DRIVE
18
MOTOR
CH2FIN
T+ CH2OUTF
12
COIL
TRACKING
CH2OUTR CH2RIN
DRIVE
COIL 11
T-
F+ CH1OUTF CH1FIN
14
COIL
FOCUS
CH1OUTR CH1RIN
DRIVE
COIL
13
F-
MUTE
w w w
RFAC RFAC ASYMMETRY
RF EQ
15 51
CORRECTION
AMP
ASYI
49
ASYO
RFDCO 48
28
DC
PWM3
RFDCI
29
AMP
FE
16
FOCUS
FEI
PWM1
ERROR AMP
17
DIGITAL
TE CLV
TRACKING
18
ERROR AMP
26 3 14
SW
12
NC
APC PD PD
2
AMP
PWM2
25
BUFFER
Q451-454
40 41 39 43
DIGITAL SERVO
PROCESSOR
24
IC101 (2/2)
A/D
23
CONVERTER
SFDR
28
SRDR
29
FOK
TFDR
MIRR/DFCT/
5 30
MIRR
FOK
TRDR
DFCT
6 31
DETECTOR
FFDR
32
FRDR
33
2
TO SERVO INTERFACE
3
20
x a o
. i
http://www.xiaoyu163.com
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
54 56 53 55
PCMD
16K
62
RAM
BCK
D/A
63
INTERFACE LRCK
61
C2PO
DIGITAL EFM
19
DEMODULATOR
PLL
SERIAL
IN
INTERFACE
ERROR
CORRECTOR
SUBCODE SERVO AUTO SERVO
PROCESSOR SEQUENCER INTERFACE
DIGITAL
CPU INTERFACE
OUT
5 6 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.
Q Q
3 7 6
33 SQ-CLK
CD-MUTE 5
32 SQ-DATA
19 SCOR
34 SENS
CD-CLK
37
CD-CLK
X-LAT
36 XLT TBL-SENS
CD-DATA
35 CD-DATA
40 HOLD
BU UP/DW SW
PWM1
28 BU-PWM1
PWM2
26 BU-PWM2
PWM3 24
BU-PWM3
LED-DISK 47
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
24 NC
MTR-CTRL1
22 NC
23 NC
MTR-CTR2
43 XRST
u 1 6 3
y
22 22
http://www.xiaoyu163.com
2 4
8 9 9
NC
NC
NC
NC
AOUT1 AIN1
70 71
DIGITAL PWM
FILTER, & BUFFER
AOUT2 AIN2
NOISE SHAPER INTEGRATOR
77 76
TO MIRR/DFCT/
FOK DETECTOR
CLOCK TIMING
GENERATOR LOGIC
3 1 5 1 5 0 8 9
DISC TABLE
49 SENSOR
IC202
48
S201
(UP SWITCH)
LED DRIVE D201
Q201 (DISC No.)
TABLE MOTOR DRIVER
IC201
Q412
OUT2
IN2
44 1 3
MOTOR M201
M
DRIVE (TABLE)
IN1 OUT1
45 9 7
Q411
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
m
c o
.
2
8 9 9
CD-L
LOUT1
A
72
(Page 24)
LOUT2
75 R-CH
MUTE
Q401
XTAI
66
XTAO
X101
67
16.9344MHz
CD DIGITALOUT
OPTICAL
OPTICAL
TRANSCEIVER
IC451
Q809,810
LEVEL SHIFT
2 4 9 8 2 9 9
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)