Sony MDS-JA333ES Service Manual ▷ View online
65
IC250 LB1641
(POW BOARD)
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
MDS-JA333ES
37
37
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAMS
MAIN SECTION
OVER WRITE
HEAD DRIVE
Q181,182
OVER WRITE
HEAD DRIVE
IC181
C
B
A
D
I
J
F
E
LASER ON
SWITCH
Q101
Q162,163
AUTOMATIC
POWER
CONTROL
HF
MODULE
DETECTOR
OPTICAL PICK-UP BLOCK
(KMS-260B/JIN)
I
J
A
B
D
C
LASER ON
DIODE
ILCC
PD
VR
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
6
OUT 4F
8
OUT 4R
15
IN 3R
16
PSB
27
OUT 2F
25
OUT 2R
23
OUT 1R
10
OUT 3R
21
OUT 1F
12
OUT 3F
14
IN 3F
19
IN 1F
29
IN 2F
3
IN 4F
18
IN 1R
30
IN 2R
4
IN 4R
FOCUS
COIL
TRACKING
COIL
SPINDLE
MOTOR
SLED
MOTOR
M901
M902
2-AXIS
DEVICE
16
FCS+
FCS
TRK+
TRK
MOD
HF MODULE
SWITCH
IC103,Q102-104
MOD
WRPWR
A+3V
VC
K
VCC
VC
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC152
HR901
OVER WRITE
HEAD
PD
LD
• Signal Path
: PB (Digital out)
: REC (Digital in)
: PB
: PB
:REC
E
F
M
M
PD
10
APC
11
C
6
D
7
E
8
A
4
B
5
F
9
J
2
I
1
IC101
RF AMP
DSSP/DSP
IC121
EFMO
100
TX
15
RFI
57
38
RF
SPFD
94
PEAK
63
37
PEAK
BOTM
64
36
BOTM
AUX1
67
33
AUX
ABCD
65
35
ABCD
FE
66
34
FE
SE
74
28
SE
TE
75
26
TE
ADFG
78
32
ADFG
FOCNT
79
20
FOCNT
DTRF
82
16
SWDT
CKRF
81
17
SCLK
XLRF
80
18
XLAT
APCREF
83
12
APCREF
SPRD
93
SFDR
92
SRDR
91
FFDR
88
FRDR
89
TFDR
86
TRDR
85
10
RST
13
RECP
19
DIN0
21
DOUT
25
ADDT
26
DADT
28
XBCK
27
LRCK
16
OSCI
7
3
IC123
DQ1
DQ4
A0
A9
RAS
4
DRAM
IC124
47
XWE
43
XOE
44
XCAS
46
XRAS
34
31
36
.
40
45
.
AO0
AO9
6
9
11
.
15
5
.
1
2
18
19
.
.
.
WE
3
OE
16
CAS
17
DO0
DO3
49
48
50
51
.
.
.
DIG RST
47
WRPWR
35
MOD
14
LDON
29
RXO
45
TXO
44
22
DADTI
SYSTEM CONTROL
IC801(1/2)
CLKO
46
24
XBCKI
LRCK
34
23
LRCKI
MNT1
58
2
MNT1
MNT2
56
3
MNT2
SRDT
40
8
SRDT
SENS
48
9
SENS
SWDT
38
5
SWDT
SCLK
42
6
SCLK
XLATCH
50
7
XLAT
SQSY
27
11
SQSY
DQSY
25
12
DQSY
XINT
32
14
XINT
126
OPT1/OPT1
127
COAX/OPT
9
RESET AD/DA
7
14
6
5
4
3
2
A
B
IC405
DIGITAL
INPUT
3
IC402
13
12
IC404
OPT1
11
10
IC404
DIGITAL
INPUT
3
IC401
1
2
IC404
OPT2
3
4
IC404
5
6
IC404
9
8
IC404
J400
J401
T400
4
3
IC406
DIGITAL
OUTPUT
1
IC403
DIGITAL
OUT OPTICAL
2
1
IC406
A/D CONV
IC302
SDATA
15
SCLK
14
LRCK
13
NOISE SHAPER
IC501
DATAI
48
45
LVCKO1
BCKI
49
LRCK
50
SC DATA
33
SHIFT
32
51
OUT SW
INIT
30
LATCH
31
125
D/A LATCH
VC
68
VC
IC509
4
AINL+
8
NSDOL1
IC509
BUFFER
BUFFER
IC510
AMP
IC510
LPF
PJ501
PHONE
LEVEL
RV651
3
5
1
7
HP
AMP
IC651
MUTE
Q651,654
MUTE
Q652,653
PHONES
J651
L
R
L
R
12
LD IN
13
LD OUT
MOTOR
DRIVE
5
6
10
2
M
IC250
LOADING
MOTOR
M10
S10
PACK OUT
S11
CHUCK IN
S12
REC
S102
PROTECT
S13
PLAY
5
CHUCK IN SW
43
REC SW
49
PLAY IN
67
REFRECT SW
68
PROTECT SW
REF VOL
SWITCH
Q251,252
11
LD LOW
8
MUTE
4
A
POWER
SECTION
+5V
REG
1
2
IC191
LD+3.3V
A+3.3V
D+3.3V
+5V
MUTE CONT
Q202
61
SDA
66
SCL
IC171
EEPROM
SDA
5
SCL
6
P DOWN
S101
LIMIT IN
30
LIMIT IN
DIGITAL
OUT COAXIAL
DIGITAL
IN COAXIAL
DIGITAL
IN OPT
44
LVCKO2
DIGITAL FILTER
MCLK
17
RST
10
XIN
13
XOUT
12
45MHz
X501
6
NSDOL2
3
NSDOL3
1
NSDOL4
17
NSDOR1
19
NSDOR2
22
NSDOR3
24
NSDOR4
IN2-
28
IN2+
27
IN1+
25
IN1-
24
1
IO1+
2
IO2-
5
IO2+
4
IO1-
D/A CONV
IC505
IN1-
24
IN1+
25
IN2+
27
IN2-
28
1
IO1+
2
IO2-
5
IO2+
4
IO1-
D/A CONV
IC504
IC508
IC508
BUFFER
BUFFER
IC511
AMP
IC511
LPF
RELAY
DRIVE
Q505
RY501
2
5
AINL-
7
1
IC305
BUFFER
5
7
IC307
AMP
LINE
25
AINR+
2
24
AINR-
1
7
IC306
BUFFER
3
1
IC308
AMP
LINE
ANALOG
REC LEVEL L/R
RV351
ANALOG
IN
ANALOG
OUT
+5V
REG
3
1
IC304
+7V
+5V
+5V
REG
3
1
IC503
+7V
A+5V
MDS-JA333ES
38
38
DISPLAY/POWER SUPPLY SECTION
COM01
COM22
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROL
AC
AC
REC VOL A
118
REC VOL B
117
SIRCS
4
S712
VOLUME
X1
10MHz
FL781
39
60
75
SF EDIT
74
FILTER
LED
DRIVER
22
XIN
20
XOUT
D271-274
D205-208
AC
AC
A
MAIN
SECTION
P DOWN
FUCTION
KEY
ROTARY
ENCODER
S711
REMOTE
CONTROL
RECEIVER
1
2
IC751
SYS +3.3V
+5V
REG
3
1
IC260
-7V
REG
2
1
IC231
TR901
D903-906
RELAY
DRIVE
Q901
RY901
IC801(2/2)
S710,751-754
SEG01
SEG39
FL DRIVER
IC771
73
POWER
Q753
+7V
REG
3
1
IC230
CONTROL
A1 II
J461
Q321
A1 IN
3
A1 OUT
31
1
DATA(FL)
2
CLK(FL)
128
CS(FL)
X2
32.768kHz
18
CLOCK OUT
17
CLOCK IN
A0
A18
31
.
29
33
.
35
.
38
.
40
.
42
.
44
.
32
.
30
34
.
36
.
39
.
41
.
43
.
45
.
92
85
77
.
75
.
.
100
94
.
122
119
113
102
.
73
3
37
79
.
80
.
1
.
2
.
8
1
48
.
17
.
.
25
18
.
16
DQ0
DQ15
A1
A19
D0
D15
FLASH ROM
IC802
WE 11
WP 14
CE 26
OE 28
65 WE R/W
90 WP
69 CS0
63 OE
131
STB
19
S RESET
RESET
67
DA
70
CP
69
CS
68
GRID BUFF
Q705,706
61
COM23
62
COM24
63
VFL1
FL-36V
AC
IN
T801
POWER
TRANSFORMER
LINE
FILTER
LF901
D901
D902
-36V REG
Q271
IC280
7
VCC2
2
AC
6
VCC1
PH5V
5
P DOWN
13
ANA5V
4
SYS3.3V
8
SRST
10
D241
D242
D243
BT201
LITHIUM ION
BATTERY
D+5V
A+5V
SYS +3.3V
B-UP +3.3V
FL -36V
D202
D201
MOTOR +5V
HEAD +5V
MDM +5V
+7V
-7V
LOADING
MOTOR +B
INPUT
134
ANALOG
INPUT
OPT1
OPT2
S758
COAX
REC MODE
135
LP4
REC MODE
STEREO
MONO
S759
LP2
TIMER
136
SYS+3.3V
TIMER
OFF
PLAY
S760
REC
16
REC
26
P DOWN
D751
POWER
LED
DRIVER
72
LP
Q701
D701
LP
137
KEY3
LED
DRIVER
Q751
S756
S755
LED
DRIVER
Q752
S757
138
KEY2
FUCTION
KEY
S707-709
139
KEY1
FUCTION
KEY
S701-706
141
KEY0
123
JOG0
124
JOG1
LED
DRIVER
33
LED3
Q702
D702
PLAY
PLAY
LED
DRIVER
7
LED2
Q703
D703
PAUSE
LED
DRIVER
6
LED1
Q704
D704
REC
REGULATOR/
RESET GEN
D203
D204
+3.3V
REG
1
3
IC805
+3.3V
A+5V
S.F.EDIT
FILTER
MDS-JA333ES
39
39
6-2. CIRCUIT BOARD LOCATION
AC board
BD board
MOTOR board
PSW board
HP board
FL board
OUT SWITCH board
REC board
POSITION SWITCH board
DIG board
DA board
AD board
PJ board
POW board
CONT-A1 board
DIO board
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• 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.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• 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.
• Signal path.
E
: PB
j
: REC
p
: PB (DIGITAL)
l
: REC (DIGITAL)
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
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