Sony MDS-LSA1 Service Manual ▷ View online
MDS-LSA1
41
41
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
E
: PB
j
: REC
p
: PB (DIGITAL OUT)
l
: REC (DIGITAL IN)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
B
These are omitted.
C
E
Note:
The components identified by mark
The components identified by mark
0
or
dotted line with mark
0
are critical for
safety.
Replace only with part number specified.
Replace only with part number specified.
MAIN board
CLIP board
TRANS board
PANEL board
BD board
MDS-LSA1
42
42
6-2. BLOCK DIAGRAMS – 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-262A/J1N)
AUTOMATIC
POWER CONTROL
Q121, 122
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
IC141
OUT4F
OUT4R
M101
(SPINDLE)
OUT2F
OUT2R
M102
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC151 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
IC151 (1/2)
TX
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC151 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SHCK
XBUSY
SWDT
SCLK
XLATCH
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
09
IN1
IN2
OUT1
OUT2
VZ
LD 3V
LOADING
MOTOR DRIVE
IC801
M103
(LOADING)
DQ1
–
DQ4
A0
–
A10
D0
–
D3
A00
–
A10
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC152
DIN1
SYSTEM CONTROLLER
IC501 (1/2)
HF MODULE
(Page 43)
(Page 43)
(Page 43)
REFLECT
PROTECT
LD-LOW
LOAD
+5V
11
LIMIT-IN
OUT-SW
S101
(LIMIT IN)
PLAY-SW
•
SIGNAL PATH
: PB
: REC
: PB (DIGITAL OUT)
: REC (DIGITAL IN)
S103
(OUT SW)
S104
(PLAY SW)
REC-P
S105
(REC POSITION)
XBCKI
LRCKI
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
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
LASER ON
SWITCH
Q101
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
HF MODULE
SWITCH
Q131 – 134
100
60
59
62
61
53
54
57
78
79
94 93
10
12 11
14
9
8
5 6 7
1 2 3 4
43
47
16
29
27
28
26
21
20
19
23
24
22
25
17
46
44
22
4
5
23
15
ADIP
DEMODULATOR/
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
25
29
OP-LEVEL
133
47
35
14
27
32
48 40
42 50
58 56
38
XRST
CLOCK
GENERATOR
49, 48, 50, 51
2,3, 24, 25
F
(Page 43)
G
(Page 43)
E
D
C
(Page 43)
(Page 43)
B
A
12 13
5
6
4
2
10
SCL
D+3V
3V
VCC
EEPROM
IC195
6
SDA
5
8
30
51
49
43
67
68
M
REFERENCE
VOLTAGE SWITCH
Q801,802
+3.3V
REG.
IC190
LRCK1
DATA1
DIN0
DIN1
DOUT
XBCK1
9
–
12, 15
–
21, 8
34
–
31, 36
–
40, 45,35
3
4
IC102
IOP MONITOR
AMP
X171
90MHz
MDS-LSA1
43
43
– MAIN SECTION –
D124(2/2)
09
LED DRIVE
Q911
D911
STANDBY
AUDIO LINK
IC601
(Page 42)
A
(Page )
G
OSC
DAT
P1
CLK
CS
AC IN
AC
(TO FL921)
TR911
POWER
TRANSFORMER
BACK UP +3.3V
BT420
LITHIUM
BATTERY
RECT
D401
D401
SWITCH
Q791,793
TP BIAS
VCC2
RECT
D301
D301
40 - 54
5– 39
D1 – D15
139, 141
KEY0,KEY2
S1 – S35
S01
–
S35
S36
–
S39
FLUORESCENT INDICATOR TUBE
FL921
FL/LED DRIVER
IC901
RAW
TR
GATE &
WAVE SHAPER
IC652-IC655
XELT
DADT
BCK
LRCK
DATA(FL)
CLK(FL)
CS(FL)
LED DATA
RCLK
STB
P DOWN
S101,102,104
S108,109
S282 - 287
S108,109
S282 - 287
DATA1
BCK1
LRCK1
LRCK1
512FSI
OSCI
C958, R959
OSCO
C
(Page 42)
E
(Page 42)
F
(Page 42)
V.BAK
AC
PH5
S.RST
•
SIGNAL PATH
: PLAY (DIGITAL OUT)
: REC (DIGITAL IN)
: REC (DIGITAL IN)
RST
XIN
CNT3
(RAW AUDIO)
XOUT
X501
10MHz
SYSTEM CONTROLLER
IC501 (2/2)
REGULATOR
IC101
RESET
15
13
14
13
14
79
80
81
83
83
14 26 28
54 - 47,45 - 38 64 - 70
101 63 65 71
74 - 77
11
10
6
8
8
57
58
59
60
60
13,14,16,17
122 - 119,113 - 102
34
129
SLC
66
SDA
61
22
26
X0
XI
X702
24.576MHz
26
26
61
62
131
60
1
LED DRIVE
Q912
D912
H.A.T.S
LED DRIVE
Q125,142
D124(1/2)
u
PAUSE
u
PLAY
D1247,129
D131
D126 HIGH-SPEED
D133,135
D137,139
D137,139
>
, .
REC,DISPLAY
A
, x
u
LED DRIVE
Q124,141
LED DRIVE
Q123
D123
LED DRIVE
Q122
D122
REC
CD-
SYNC
LED DRIVE
Q120
D120
LP
P2
CNT3
2
58
59
QB
LED DATA
RCLK
SRCLK
SRCLK 11
RCLK 12
SER 14
QG 6
QG 7
QA 15
1
QC
2
QD
3
QE
4
QF
5
63
CS0
WP
117
124
SRCLK
125
123
1 2 128
26 19
2
11
5
10
13
VCC1
7
6
P.DOWN
–29V
(FL DRIVER (IC901) B–)
+7V
(LED B+)
SYS+3.5V
+5V
KEYBOARD
HEAD
MOTOR
RECT
D101,102
RECT
D701-704
TR901
POWER
TRANSFORMER
RELAY
DRIVE
Q951
LED DRIVE
Q127,129
Q131
LED DRIVE
Q133,135
Q137,139
Q137,139
LED DRIVE
Q126
–29V
REG.
IC431
3
1
+7V
REG.
IC351
3
1
+3.5V
REG.
IC201
2
1
CN201
D206
D207
D
(Page 42)
15
ATRAC
TR
DADT
DIN0
XREQ
DOUT
XBCK
LRCK
LRCK
ADT1
ACK1
XLAT1
XLAT1
B
(Page 42)
5
7
6
7
6
LINK
I/F
IEC958
DIN
DOUT
XREQEO
17
18
18
4
RAW
RE
LRCKO
DATAO
BCKO
BCKO
LRCK1
DADT1
XBCK1
DIN1
CTL1
D0-3
DATA0-3
CTL0
TB2N
TB2P
TA2N
TA2P
TB0N
TB0P
TA0N
TA0P
LREQ
SYSCLK
CTL1
CTL0
LREQ
LREQ
SCLK
21
22
20
22
20
ATRAC
RE
LINK
I/F
CONTROL
UNIT
TR/RE
49
50
51
52
52
TR/RE
XLATO
ADTO
ACKO
ACKO
10
9
11
5
3
2
1
12
13
10
9
11
1
2
4
CLKO
46
CNT1
33
CNT2
125
RST
SRCLK
RCLK
LEDDATA
A0
XRD
XWR
CS2
127
4
15
14
CONTROL
29-36
38-45
38-45
11
25-15
8-1,48
DQ0-DQ15 A0-A19
D0-D15
D0-D15
A1-A20
A1-A7
DATA0-DATA15
WE
WP
CE
OE
100 - 94
92,85-77
75,73,72
63 59 58 57
A0
LB
XRD
XWR
XCS
90 69
SWITCH
Q790,792
CN309
i.LINK
v
CN308
i.LINK
v
i.LINK
S200
RMC
4
REMOTE
CONTROL
RECEIVER
IC931
PHY
IC701
SELECTOR
IC656
IC655
SWITCH
DATA
DECODER
IC101
FLASH-ROM
IC502
DADT
MDS-LSA1
44
44
• WAVEFORMS
– MAIN Board –
– PANEL Board –
– BD Board –
1
IC101
ek
(RF)
2
IC101
ef
(FE)
(Play mode)
3
IC101
wh
(TE)
(Play mode)
4
IC151
qh
(OSCI)
5
IC151
wj
(LRCK)
6
IC151
wk
(XBCK)
7
IC151
o;
(FS4)
1.3Vp-p
0.2Vp-p
1.6Vp-p
3.1Vp-p
45.158 MHz
3.2Vp-p
44.1 kHz
3.8Vp-p
2.8224 MHz
3.2Vp-p
176.4kHz
2
IC501
w;
(XOUT)
1
IC701
es
(XO)
3.0Vp-p
10 MHz
2.5Vp-p
24.576 MHz
1
IC901
tl
(OSC1)
3.4Vp-p
2.22 MHz
Click on the first or last page to see other MDS-LSA1 service manuals if exist.