Block Diagram - Changer Unit (Cd Section (1/2)) - Sony XES-Z50 Service Manual

XES-Z50
7-6. BLOCK DIAGRAM – CHANGER UNIT (CD Section (1/2)) –
FOCUS/TRACKING ERROR AMP
E VC
PD1
3
RF
I-V
A D
PD2
AMP
4
B C
F
F
6 F I-V AMP
DETECTOR
E
7 E I-V AMP
EI
OPTICAL PICK-UP
(KSS-400A)
13
RV101
TRACKING
OFFSET
LASER DIODE
AUTOMATIC
LD
POWER
1
CONTROL
PD LD
Q101
SPINDLE MOTOR
MDP
SPINDLE DRIVE
M
MOTOR MDS Q252, IC253
DRIVE
(SPINDLE)
DC MOTOR (1/2)
SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
2-AXIS
IC202
DEVICE
(TRACKING)
F+
FF
13 5
FOCUS
F– FR
COIL DRIVE
12 4
(FOCUS)
TR+ TRF
27 23
TRACKING
TR– TRR
COIL DRIVE
24
26
SLF
S+
16 20
SLED MOTOR
M
(SLED)
SLR
S–
DRIVE 19
17
(LIMIT)
DC MOTOR (2/2)
05
RF AMP,
IC101
DIGITAL SIGNAL
PROCESSOR
IC501
RF
RF
RFO
17 24
SUMMING
AMP
ASYMMETRY
CORRECTION
FOCUS FE
16
ERROR AMP
ASYI
26
ASYO
FE BIAS
15 27
RV102
FOCUS
BIAS
TE
TRACKING
14
ERROR AMP
EO
12
LDON
19
APC LD APC PD PD
2
AMP AMP
GATE SWITCH
COMPARATOR
IC252
IC251
5 4 7 3
DIGITAL SERVO
LOCK
PROCESSOR
COUT
IC601
MPX
SENS
XTAL
FFDR
A/D
51
XRST
CONVERTER
FRDR
53 NOISE
TFDR SHAPER DIGITAL
47
& SERVO
TRDR
49 PWM PROCESS
SFDR
MODULATOR DATA
38
CLK
SRDR
40
XLT
SCLK
DFCT
14
JUMP/
MIRR/DFCT/
MIRR
SEARCH FOK 20
FOK
CONTROL DETECTOR
19
56 SSTP
ELEVATOR UP/DOWN MOTOR DRIVE,
DISC LOAD/SAVE MOTOR DRIVE
IC201
M501
M
ELEVATOR
OUT2 IN2
UP/DOWN 22 6
IN1
OUT1 MOTOR
5
18
DRIVE
OUT3 IN3
M502
1 8
M
DISC
LOAD/SAVE
DISC EJECT MOTOR DRIVE
IC801
RIN
OUT2
7 5
M801
MOTOR
M
OUT1 FIN
(DISC EJECT) DRIVE
1 4
– 83 –
FILTER
18 20 22 19
DIGITAL PLL
EFM DE-
MIX VARI-PITCH REGISTER
MODULATOR
DOUBLE SPEED
SYNC
PROTECTOR
32K
RAM
TIMING TIMING
GENERATOR GENERATOR
1 2
ADDRESS
GENERATOR
CLV
PROCESSOR
SUBCODE Q
2 3 4 5 6
63 62 31 32
PROCESSOR
67 66
IC305
WFCK
SCOR
LRCK
TIMING WDCK
IC505
18
25
29
15
33
24
21
23
30
71 15 56 65 66
7 MB
6 Q103
MC
ELEVATOR HEIGHT
8 MA
EHS 62
DETECT SENSOR
PH101
Q301
DISC DETECT
DOE 17 SENSOR
Q701
10 M3
11 M3 Q302
DISC DETECT
16
DPT SENSOR
Q702
DATA
34
BCLK
35
GTOP
SERIAL/
39
PARALLEL
RFCK
43
PROCESSOR
D/A DATA RAOF
45
PROCESSOR
GFS
42
INTERNAL BUS
PEAK
DETECTOR
DOUT
DIGITAL
60
OUT
ERROR
CORRECTOR
XTAO
54
CLOCK
GENERATOR
PRIORITY
XTAI
ENCODER
53
C16M
58
FSTT
56
SUBCODE P-W SERVO AUTO CPU
PROCESSOR SEQUENCER INTERFACE
XRST
65 64 61 76 75 77 79 78 80 1 69 68 71 74 72 70
4
2
13
75 77 70 68 69
SYSTEM CONTROLLER
IC301 (1/3)
18 20 21 61 63
19
+5V
SW12
DOOR OPEN/
CLOSE DET
SW802
(MAGAZINE LOCK DET)
SW803
D702
LINEAR SLIDE LEVER
(DOE)
SW501
POSITION DET
(HOME/TOP DET) SW804
HOME TOP
(MAGAZINE DET)
SW701
D703 DISC CHUCKING
(DPT) END DET
– 84 –
DATA,
BCLK
1 (Page 85)
GTOP,
RFCK, RAOF
2 (Page 85)
X502
16.93MHz
C16M
FLIP-FLOP
3
(Page 85)
IC502
DE-EMPHASIS
4 (Page 87)
WFCK, SCOR,
EXCK, SBSO
5 (Page 85)
LRCK, WDCK
6
(Page 85)
CDRST
7
(Page 85)
DATA, CLK
8
(Page 85)
76
• Signal path.
: CD PLAY
9
PLUNGER
DRIVE
Q703, 704
PRG401
(MAGAZINE OUT)