Read Sony MDS-JB980 Service Manual online
39
39
MDS-JB980
6-2. BLOCK DIAGRAM — BD SECTION —
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
D
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260B/260E)
(KMS-260B/260E)
LD DRIVER
Q202, 203
IOP MONITOR
AMP
IC701
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
RFO
RF AGC
& EQ
AGCI
EQ
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC401
OUT4F
OUT4R
M101
(SPINDLE)
OUT2F
OUT2R
M102
(SLED)
OUT3F
OUT3R
OUT1F
OUT1R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN3F
IN3R
IN1F
IN1R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
PSB
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC201 (2/2)
RPWR
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
NC
D+3V
DIN1
TX
ASYO
ASYI
RFI
SCTX
EFMO
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
OSCN
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC201 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
XRST
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SHOCK
XBUSY
SWDT
SCLK
XLATCH
SELECT
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
NC
NC
IOP
WRPWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
IN1
IN2
OUT1
OUT2
VZ
LOADING
MOTOR DRIVE
IC461
M103
(LOADING)
D+3V
DQ1 – DQ4
A0 – A9
D0 – D3
A00 – A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC153
CLOCK
GENERATOR
IC803
DIN1
SYSTEM CONTROLLER
IC1 (1/2)
HF MODULE
ADDT
DIN1, LRCKI, DATAI, XBCKI
DATAI
XBCKI
LRCKI
DADT, BCK, LRCK
SWDT, SCLK
SWDT
REFLECT
PROTECT
LD-LO
SDA
SCL
EEP-WP
UNREG
+12V
65
LIMIT-IN
OUT-SW
S101
(LIMIT IN)
PLAY-SW
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
: REC (ANALOG IN)
: REC (DIGITAL IN)
S103
(OUT SW)
S104
(PLAY SW)
REC-SW
S105
(REC POSITION)
XBCKI
LRCKI
OVER WRITE
HEAD DRIVE
IC181
, Q181, 182
WAVE SHAPER
IC641
SELECTOR
IC651
OPTICAL
RECEIVER
IC611
OPTICAL
TRANSMITTER
IC631
11
9
8
4
1
2
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
4
3
LASER ON
SWITCH
Q201
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
108
107
104
105
103
102
98
97
100
15
80 78 79 86 85 76 77
99
27
25
12
10
21
23
19
18
14
15
29
30
3
4
16
M
M
M
SERVO
DSP
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
HF MODULE
SWITCH
Q701 – 704
115
73
72
75
74
67
68
70
91
94
110 109
14 13
16 12 11 10
6 7 8
1 2 3 4
38
37
19
36
21
34
35
33
26
25
24
28
29
27
32
20
5
1
47
46
22
3
4
23
17
ADIP
DECODER
SPINDLE
SERVO
COMPA-
RATOR
PLL
FILTER
SUBCODE
PROCESSOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
PLL
(X8)
CLKA
XIN
18
57
89
52
52
54
56
20
25
58 32
33 50
59 48
80
31
CLOCK
GENERATOR
43, 45, 44, 42
1, 2, 24, 25
48, 49, 51 – 56, 59, 60
5, 9 – 12, 14 – 18
C
B
A
E
67 66
5
6
4
VCC2 8
VCC1 7
SCL
WP
6
7
SDA
5
45
60
2
10
55
49
51
53
61
44
M
REFERENCE
VOLTAGE SWITCH
Q461,462
+5V
D+3.3V
A+3.3V
+3.3V
REG.
IC933
D+2.6V
+2.6V
REG.
IC926
EEPROM
IC195
47
PWM GENERATOR
SCLK
13
11
10
8
9
6
4
3
4
1
13
5
10
2
1
12
D
IN
J601
COAXIAL IN
OUT
OPTICAL
DIGITAL
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(Page 40)
(Page 40)
(Page 40)
(Page 40)
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