Sony MDS-JE320 Service Manual ▷ View online
MDS-JE320
— 23 —
— 24 —
— MAIN Section —
16
15
SQSY
DQSY
SQSY
DQSY
12
5
6
10
2
4
LOADING MOTOR
DRIVE
IC311
DRIVE
DRIVE
LOADING
SW
Q301,302
DIG-RST
81
SDA
52
SCL
XRST
16
@ @
SDA
SCL
53
25
24
X303
32.768KHz
SYSTEM CONTROL
IC316
SWDT
27
18
DADT
INIT
I/O
25 28 26
10 11
CPU INTERFACE
19 20 21
22
D/A
CONVERTER
R-ch
17
16
L1
L2
R1
R2
41
39
30
32
15
A/D
CONVERTER
55
56
1
2
I/O
A/D, D/A CONVERTER
IC307
12
15
4
3
93
4
5
MATRIX
SW
10
14
13
23
20
DISPLAY DRIVER
IC701
FL701
FLUORESCENT
INDICATOR
TUBE
AC
LPF
14
1
MUTE
REC LEVEL
RV701
FRONT-END
IC301
MUTE
SW
Q306
R-ch
MUTE
Q101
R-ch
R-ch
L
R
IN
OUT
LINE
(ANALOG)
J301
R
L
21
22
6
BACK UP
4
+5V REG
+3.3V REG
+5V REG
5
1
1
5
+3V REG
IC192
+3V
(BD)
PH +5V
SYS +3.3V
ANA +5V
3
SWITCHING REG
IC309
7
8
2
12
9
POWER
ON/OFF SW
Q307, 308
S. RESET
P. DOWN
3
1
+6V REG
IC303
+6V
+B
RECT
D303,
304
RECT
D309,
310
RECT
D301,
302
RECT
D305,
306
-B
2
3
-6V REG
IC304
-6V
1
3
-32V REG
IC310
-32V
AC
AC
FL701
AC
IN
TR301
POWER
TRANSFORMER
25
26
23
24
R-ch
INLM
INLP
INRP
INRM
ADDT
X301
22MHz
35
36
XIN
XOUT
256CK
SCLK
SRDT
SRDT
83
DA-RST
AMUTE
KEY0
KEY1
KEY2
50
51
JOG1
JOG0
ANALOG
DIGITAL
INPUT
S702
SORCE
43
LED0
LED SW
Q701,702
POWER
D701
3 RM
SIRCS
RECEIVER
IC702
REMOCOM
71
72
73
62
63
61
60
4
39
40
54
FLCLK
FLDATA
FLCS
POWER DOWN
SCK
SDATA
CS
RST
S1
S36
G1
G15
36
VBAT
SYSTEM-RST
STB
XOUT-T
XIN-T
39
LD LOW
94 LD OUT
86
MOD
LD IN
94
75
80
LD ON
WRPWR
32
69
67
68
67
68
90
SENS
96 LIMITIN
98 REFLECT
97 PROTECT
6
CHUCK IN
8
PACK OUT
38 PLAY P
37 REC P
LIMIT
REFLECT
PROTECT
CHUCK IN
PACK-OUT
PB-P
REC-P
LDON
WRPWR
MOD
LOAD-IN
LOAD-OUT
SRDT
SCLK
SWDT
XLATCH
SENS
SRDT
SCLK
SWDT
XLAT
BD
SECTION
SCLK
SWDT
XLAT
42
41
41
33
77
MNT3
MNT2
SHOCK
FOK
MNT3
MNT2
MNT1
BCK
LRCK
512FS
BCK
LRCK
512FS
MNT0
ADDT
DADT
DIN
SCTX
XINT
89
XINIT
SCTX
MCK1
BCK
LRCK
512FS
SLOCK
XBUSY
: PB
: REC
: REC (Digital in)
: REC
: REC (Digital in)
• Signal path.
• R-ch is omitted.
XOUT
28
X302
12MHz
XIN
27
12
13
IC314
3
IC353
DIGITAL
OPTICAL IN
MDS-JE320
— 25 —
— 26 —
6-2. CIRCUIT BOARDS LOCATION
BD board
MAIN board
CONTROL (SW) board
EJECT SW board
DISPLAY board
SW board
For schematic diagrams.
Note:
Note:
• 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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
( )
No mark : FM
( )
: PLAY
< > : REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
E
:PB
q
:REC
r
:REC(DIGITAL IN)
a
:REC(DIGITAL OUT)
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
•
p
: parts mounted on the conductor side.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
Note:
The components identified by
mark
The components identified by
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
• BD SECTION
1
IC101
1
,
2
I, J
(PLAY mode)
0.46Vp-p
0.06Vp-p
0.1Vp-p
3.1Vp-p
3.2Vp-p
2
IC101
4
A (PLAY mode)
3
IC101
8
,
9
E, F
(PLAY mode)
4
IC121
!§
OSCI
5
IC121
@∞
LRCK
22.581MHz
44.1KHz
6
IC121
@§
XBCK
3.8Vp-p
2.822KHz
7
IC121
@¶
FS256
3.8Vp-p
11.29MHz
8
IC121
(º
FS4
3.2Vp-p
176.4KHz
• MAIN SECTION
1
IC316
@¶
(XOUT)
3.2Vp-p
3.3Vp-p
5.2Vp-p
5.6Vp-p
2
IC316
@¢
(XOUT-T)
3
IC307
0
(LRCK1),
@•
(LRCK2)
4
IC307
!¡
(BCK1),
@§
(BCK2)
5
IC307
!∞
(MCK1),
@™
(256CK)
2.822MHz
11.29MHz
6
IC307
@∞
(512FS)
3.4Vp-p
22.581MHz
7
IC307
#∞
(XOUT)
5Vp-p
22.58MHz
11.998MHz
2.6Vp-p
32.77kHz
44.1kHz
• Waveform
• PANEL SECTION
1
IC701
%ª
(OSC1)
3.9Vp-p
2.4MHz
MDS-JE320
— 27 —
— 28 —
6-3. Printed Wiring Board — BD Section —
• See page 25 for Circuit Boards Location.
Ref. No.
Location
D101
E-3
D181
C-9
D183
C-9
IC101
F-14
IC103
B-15
IC121
D-12
IC122
C-4
IC123
E-10
IC124
F-12
IC152
B-12
IC171
F-9
IC181
D-9
IC192
G-6
Q101
C-14
Q102
B-15
Q103
B-14
Q104
B-14
Q162
B-14
Q163
B-15
Q180
D-6
Q181
B-9
Q182
B-9
• Semiconductor
Location
(Page 45)
(Page 33)
(Page 33)
16
MDS-JE320
— 29 —
— 30 —
6-4. Schematic Diagram — BD Section (1/2)—
• See page 26 for Waveforms. • See page 49 for IC Block Diagrams. • See page 54 for IC Pin Functions.
(Page 32)
(Page 31)
16
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