Bd Section - Sony MDS-JE480 Service Manual

MDS-JE480
Q Q
6-2. BLOCK DIAGRAMS – BD SECTION –
3 7 6 3 1 5 1 5 0
HR901
OVER WRITE HEAD
OPTICAL PICK-UP
(KMS-260B/260E)
I
1
J
2
F
B
C B
I J
D A
A
4
5
E
6
DETECTOR
7
C
D
E
T E
8
L 1 3 9 4 2 2 9 6 5 1 3
F
9
ILCC
LD DRIVER
11
Q202, 203
PD LD
LASER DIODE
LASER ON
PD
SWITCH 10
Q201
Iop MONITOR
AMP
3 4
IC701
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
16
IC401
PSB
OUT4F IN4R
6
M101
M M
(SPINDLE)
8 OUT4R IN4F
27 OUT2F IN2F
M102
M
(SLED)
25 OUT2R IN2R
2-AXIS
DEVICE
FCS+
12 OUT3F IN3F
w w w 10 OUT3R IN3R
FCS–
TRK+
OUT1F
21 IN1F
.
23
OUT1R IN1R
TRK–
MOD
HF MODULE
OVER WRITE
EFMO
HEAD DRIVE
IC181
, Q181, 182
SCTX
48 47
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
I
RFO AGCI RF AGC RF
RF AMP
J 46 40 38
& EQ
EQ
WBL
B.P.F.
AUX
33
PEAK
3T
37
TEMP PEAK &
BOTM
BOTTOM
36
WBL
ADFM ADIN ADFG
AT
B.P.F. 29 30 32
AMP
A
B ABCD ABCD
I-V 35
C AMP
AMP
D FE
FOCUS
34
ERROR AMP
TE
E
26
I-V TRACKING
SE
F
AMP
ERROR AMP
28
COMMAND
APC LD/PD
AMP
SERIAL/PARALLEL
F0CNT
V-I
CONVERTER, 20
CONVERTER
DECODER
PD
12 16 17 18
SPFD
3
SPRD 100 15 80 78 79 86 85 76 77
4
PRWR
SFDR
29 108
ANALOG MUX
SRDR
30 107
A/D CONVERTER
SERVO
DSP
FROM CPU
FFDR
14 104
INTERFACE
FRDR
15 105
XLRF XLAT
97
CKRF SCLK
AUTO
x a o 98
SEQUENCER y
DTRF SWDT
99
DIGITAL SERVO
TFDR
19 103
SIGNAL PROCESSOR
TRDR i
18 102
IC201 (2/2)
http://www.xiaoyu163.com
8
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC201 (1/2)
17
IC151 (1/2)
TX
EFMO
115
SAMPLING
FILI
RATE
73
CONVERTER
PCO
72
PLL
CLTV
75
FILO
74
DIGITAL
ASYO
AUDIO
67
INTERFACE
ASYI
68
COMPA-
RFI
RATOR
70
CLOCK
GENERATOR
SUBCODE
INTERNAL BUS
PROCESSOR
ADIP
91
DECODER
CPU
MONITOR
INTERFACE CONTROL
F0CNT SPINDLE
94
SERVO
Q Q
3 7 6 3
110 109 14 13 16 12 11 10 6 7 8 1 2 3 4
18 20 25 58 32 31 33 50 59 48
57 LDON
89 IOP
52
DIG-RST
SYSTEM CONTROLLER
54 WRPWR
IC1 (1/2)
56 MOD
67 66
5 6
VCC1 7
LOADING
UNREG
VCC2 8
MOTOR DRIVE +12V
IC440
REFERENCE
VZ 4 VOLTAGE SWITCH
Q440,445
2 10
M
M103
(LOADING)
u 1 6 3
.
HF MODULE
SWITCH D+3V
Q701 – 704
38 38
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9 2 4 9
ADDT
32
DATAI
27
XBCKI
WAVE
29
OPTICAL
OPT1
SHAPER
LRCKI
RECEIVER
28
IC600
IC611
OPT2/COAX
(1/2)
DIN0
24
DIN1
25
DOUT
26
DADT
33
XBCK
35
LRCK
34
FS256
36 NC
OSCN
21 D+3V
OSCI CLKA
19 5 PLL
OSCO
(X8)
D-RAM
20
CLOCK
IC153
GENERATOR
IC803
1 5 1 5 0 8 9 2
XOE
38 22 OE
XWE
37 3 WE
XRAS
47 4 RAS
XCAS
46 23 CAS
+2.6V
REG.
D+2.5V
IC926
+3.3V
D+3V
REG.
IC933
A+3V
S101
LIMIT-IN 55
(LIMIT IN)
S103
OUT-SW 49
(OUT SW)
S104
51
PLAY-SW
(PLAY SW)
S105
REC-SW 53
(REC POSITION)
m
65 LD-LO
REFLECT 61
c o
PROTECT 44
SDA 5 60 SDA
EEPROM
S102
IC195 (REFLECT/PROTECT DETECT)
SCL 6 45 SCL
HIGH REFELECT RATE/
WP WRITE PROTECT
7 47 EEP-WP
LOW REFELECT RATE/
UN-PROTECT
8 2 9 9
ADDT
A
(Page39)
DIGITAL IN
(OPTICAL)
DADT, BCK, LRCK
B (Page39)
XIN
1 C
(Page39)
4 9 8 2 9 9
+5V
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)