Sony MDS-JE780 Service Manual ▷ View online
33
33
MDS-JE780
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
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.
• C : panel designation.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• Y : parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
(
)
: PLAY
<
>
: REC
∗
: Impossible to measure
• 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.
E
: PB
j
: REC
l : REC (DIGITAL IN)
p : PLAY (DIGITAL OUT)
p : PLAY (DIGITAL OUT)
• Abbreviation
SP
: Singapore model
RU
: Russian model
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.
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 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
• WAVEFORMS
– MAIN Board –
– BD Board –
2
IC101
ef
(FE)
(Play mode)
4
IC803
1
(XIN)
5
IC201
w;
(OSCO)
6
IC201
ef
(LRCK)
7
IC201
eg
(XBCK)
3
IC101
ek
(RF)
1.2Vp-p
0.1Vp-p
1
IC101
wh
(TE)
(Play mode)
1.5Vp-p
On track jumping
2Vp-p
11.2896 MHz
2.5Vp-p
90.3 MHz
3.2Vp-p
23
µ
sec
0.36
µ
sec
3.2Vp-p
1
IC1 qd (XOUT)
2
IC500 8 (XTO)
3.0Vp-p
4.5Vp-p
10 MHz
11.2896 MHz
– DISPLAY Board –
1
IC760 yh (OSC0)
3.2Vp-p
0.47
µsec
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
KEY-SW board
PT board
MAIN board
BD board
DISPLAY board
KB board
HP board
USB board
VOL SEL board (SP model only)
– USB Board –
1
IC201 rj (XTAL)
3.7Vp-p
12MHz
Ver. 1.2
MDS-JE780
34
34
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-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)
PRWR
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
NC
D+3V
DIN1
IC151 (1/2)
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
(Page 35)
(Page 35)
(Page 35)
(Page 35)
(Page 35)
SP
AEP, UK, RU
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
• Abbreviation
SP : Singapore model
RU : Russian model
SP : Singapore model
RU : Russian model
: 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
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
OVER WRITE
HEAD DRIVE
IC181
, Q181, 182
WAVE SHAPER
IC641
SELECTOR
IC651
OPTICAL
RECEIVER
IC611
OPTICAL
RECEIVER
IC621
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+3V
A+3V
+3.3V
REG.
IC933
D+2.5V
+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
IN
IN
J601
COAXIAL
OUT
OPTICAL
DIGITAL
Ver. 1.2
MDS-JE780
35
35
– MAIN SECTION –
X509
11.2896MHz
–1
–2
LED DRIVE
Q726
ROTARY
ENCODER
FL DRIVE
Q761, 762
D726
STANDBY
A/D, D/A CONVERTER
IC500
SDTO
ADDT
(Page 34)
(Page 34)
(Page 34)
(Page 34)
(Page 34)
DADT, BCK,
LRCK
LRCK
SDTI
A
B
LINE AMP
IC101
MUTING
Q121,221
MUTING
CONTROL SWITCH
Q151
OSC
J101
RV791
PHONE
LEVEL
D152
D151
J791
PHONES
R
L
ANALOG IN
ANALOG OUT
ADA,LATCH
DA
P2
P1
COM24
COM23
MUTE
UVBUS 3.3
ADA,RESET
CP
CS
AC IN
S991
SP
RELAY
+5V
AC
(TO FL750)
TR900
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR
DRIVER (IC461) B+
RECT
Q451
Q451
UNREG +12V
NET MD_CLK
NET MD_SO
UNIT
AUDIO
CIRCUIT
UNREG –12V
RECT
D421,422
RECT
D443–444
VOLTAGE
SELECTOR
RECT
D441, 442
79, 80, 2,1
39 – 60
3 – 37
AD1 – AD4
97,95-93
KEY0 – KEY3
COM01 – COM22
SEG01 – SEG35
S01
–
S35
S36
–
S39
G23
G24
G01
–
G22
FLUORESCENT INDICATOR TUBE
FL750
FL/LED DRIVER
IC760
HIGH-PASS FILTER,
DIGITAL
ATTENUATOR
DIGITAL
ATTENUATOR,
SOFT MUTE
A/D
CONVERTER
BLOCK
SUB-
TRACKTION
D/A
CONVERTER
BLOCK
AUDIO
INTERFACE
CONTROLLER
CLOCK
GENERATOR,
CLOCK DIVIDER
CONTROL
REGISTER
INTERFACE
BICK
LRCK
DADT
BCK
LRCK
AINL
AINR
XTI
XTO
CLKO
FLDT
SIRCS
FLCK
FLCS
JOG0
GND
SW
JOG1
TIMER
P DOWN
KB.DATA
KB.CLK
KB.CLK-CTL
l
AMS L
PUSH ENTER
S713
S701 – 706, 711, 712,
S714-716, 721 – 724,
S726,S732-734
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
OSCI
C766, R766
OSCO
MIX AMP
IC111
(1/2)
MIX AMP
IC111
(2/2)
LOW-PASS
FILTER
IC112
(1/2)
LOW-PASS
FILTER
IC112
(2/2)
HEADPHONE
AMP
IC131
INV.
IC202
UNICORN
NET MD USB I/F
IC201
D
C
E
SWDT, SCLK
DIN1, LRCKI,
DATAI, XBCKI
DATAI, XBCKI
S746
TIMER
•
SIGNAL PATH
RESET
XIN
XOUT
X15
10MHz
REC
OFF
PLAY
SYSTEM CONTROLLER
IC1 (2/2)
S.RST
13
14
12
11
15
16
17
19
21
3
2
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
8
39
40
15
13
68
69
92
67
62
61
73
LED DRIVE
Q733
D733
GROUP
ON/OFF
ON/OFF
LED DRIVE
Q772
D772
MD LP
P4
75
72
66
65
70
38
79
STB
XTAL
EXTAL
81
7
5
75
NET MD_SI
UCS
URESET
IUPLLSW
RESET
PLLSW
CPUINT
CPUXCS
CPUSI
CPUSO
CPUCK
DSPIF0
DSPIF1
DSPIF2
DSPIF2
DSPIF3
DSPCLK
DIN1
2
4
LRCKI
XBCKI
XBCKI
DATAI
6
76
77
78
4
5
88
87
1
3
1 2 84
19 12
–32V
REGULATOR
IC451
–39V
(FL DRIVER (IC760) B–)
+3.3V
REGULATOR
IC401
RELAY
+5V
RECT
D431,432
RECT
D401,402
RECT
D411-414
RELAY +5V
REGULATOR
TR950
POWER
TRANSFORMER
RELAY
DRIVE
Q911
6
IC681
SCHMIDT
TRIGGER
9
IC406
RESET
RESET
VCC
3
5
D404
+3.3V
(SYS)
(SYS)
+3.3V
(BACKUP)
D406
D405
BT404
LITHIUM
BATTERY
CN404
OUT
VD +5V
(TO IC500)
+5V
VIN
3
1
+3.3V
REGULATOR
Q471
IC421
+5V
REGULATOR
VT +3.3V
(TO IC500)
REMOTE CINTROL
RECEIVER
IC741
4
22
21
34
7
51
52
53
56
57
58
3
PLL
OSC
X201
12MHz
47
48
CONTROL
AUDIO
8
10
11
5
USB
USB EN
D201
CN203
DP
USB
MD
RAM
MGR
KEY
39
1
2
3
4
35
40
42
L
R
KEYBOARD
OFF SWITCH
Q805
J780
KEY BOARD
+5V
CLK
DATA
6
4
3
2
1
5
BUFFER
Q803,804
BUFFER
Q801,802
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
•
Abbreviation
SP : Singapore model
36
36
MDS-JE780
Ref. No.
Location
D101
A-3
D501
E-12
D502
F-12
IC101
B-11
IC153
D-11
IC181
F-11
IC195
F-9
IC201
D-10
IC401
C-8
IC701
C-11
IC803
E-5
• Semiconductor
Location
Ref. No.
Location
6-3. PRINTED WIRING BOARD – BD Board – • See page 33 for Circuit Board Location.
(SIDE A)
BD BOARD
OPTICAL PICK-UP
BLOCK
(KMS-260B/260E)
12
(12)
1-683-807-
B
MAIN
BOARD
A
MAIN
BOARD
C702
R705
L122
S104
(PLAY)
C809
C905
C505
C502
Q702
L701
R713
Q704
Q703
Q701
C704
C701
C233
S103
(OUT)
R224
R225
R218
C109
R206
R216
R228
R219
R281
C212
C209
C211
R1
C230
L603
R104
C409
C114
C103
L502
C242
C214
L8
R226
C111
C112
Q201
R105
R103
R704
L602
R702
C175
L202
R701
R703
C194
C252
R712
C116
CN101
R710
C240
C101
C410
C250
L201
C907
C206
C903
C253
C901
C411
S105
(REC)
C106
C105
R205
D101
C231
C412
R405
IC803
L501
L801
C908
C803
S101
(LIMIT IN)
L203
L10
CN104
C550
HR901
OVER WRITE
HEAD
R502
C490
R299
R501
1
2
A6
L601
C909
L402
IC153
CN102
1
7
14
8
4
1
5
8
IC933
IC195
C999
CN105
Q202
E
L401
C405
C998
R303
R302
C301
C904
C220
C219
C205
C241
R217
R211
R210
R214
R120
R207
R202
R203
C215
TP504
TP219
TP612
C703
5
1
1
4
3
3
IC201
C117
R707
R113
R122
R107
R116
R119
R117
IC101
R110
R114
C122
R121
R708
R208
C115
R212
C113
C107
C120
CN103
C110
C119
C118
R112
R115
C121
C406
C299
TP501
+
–
TP615
TP503
C899
C221
R106
R711
R706
R111
C108
C302
L550
BG1
R101
R102
R108
R118
L899
R201
R209
C902
R301
IC401
IC701
C104
R803
R802
R815
R814
C407
IC181
D501
D502
Q182
Q181
C504
R551
C501
C251
TP502
C503
C1102
R552
C216
IC926
R298
C254
C234
R805
E
E
C235
R553
C255
B9
Q203
R109
R709
12
(12)
1-683-807-
BD BOARD (SIDE B)
M103
LOADING
MOTOR
S102
PROTECT
REFLECT
M
M101
SPINDLE
MOTOR
M
+
–
E
E
E
E
E B E
C
C
1
3
1
3
t
(Page 41)
(Page 41)
M102
SLED
MOTOR
M
2
3
4
5
6
7
8
9
10
11
12
A
1
B
C
D
E
F
G
IC926
D-8
IC933
E-8
Q181
E-11
Q182
F-11
Q201
C-2
Q202
C-11
Q203
C-11
Q701
D-2
Q702
C-3
Q703
C-2
Q704
C-3
Click on the first or last page to see other MDS-JE780 service manuals if exist.