Sony MDS-J3000 / MDS-J3000ES Service Manual ▷ View online
— 33 —
5-11. ADJUSTING POINTS AND CONNETING POINTS
[BD BOARD] (SIDE A)
IC192
NOTE : It is useful to use the jig. for checking the waveform.
(Refer to Servicing Note on page 4.)
[BD BOARD] (SIDE B)
1
5 CN110
RF
VC
TEO
IOP
NOTE
CN101
D101
IC171
IC101
IC121
I+ 3V
— 34 —
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
BD board
MAIN board
SW board
HP board
PANEL board
AMS board
AC board
HR901
OVER WRITE
HEAD
HEAD
DRIVE
Q181,182
11
14
15
17
3
9
18
2
1
18
Q180
FILTER
PCO
FILI
FILO
CLTV
PLL
EFM,
ACIRC,
ENCODER/
DECODER
RF AGC & EQ
AGCI
RFO
MORFI
MORFO
RF AMP
1
2
BPF
P-P
AT
AMP
BPF
VC
VC
ANALOG
MUX
27
16
17
18
SERIAL
PARALLEL
DECODER
VICONV
20
25
22 23
4
5
6
7
8
9
IV AMP
IV AMP
E-F
BALANCE
14
15
3
VCC
VC
D101
12
11
10
LASER ON
SW
Q101
PD
APC
Q162,163
HF
MODULE
HF MODULE
SW
IC103,Q102-104
TRAKING
COIL
FOCUS
COIL
10
12
DRIVER
21
DRIVER
23
27
DRIVER
25
6
8
DRIVER
16
TFDR
PSB
XRST
SLED/SPINDLE MOTOR DRIVE
FOCUS/TRACKING COIL DRIVE
FOCUS/TRACKING COIL DRIVE
IC152
09
M
M
M902
SLED MOTOR
M901
SPINDLE MOTOR
DETECTOR
F
I
J
C
D
D
B
A
E
VC
LD
PD
ILCC
15
14
SHOCK
RESISTANT
MEMORY
CONTROLLER
ATRAC
ENCODER/
DECODER
SAMPLING
RATE
CONVERTER
DTRF
CKRF
XLRF
FOCNT
79
82
81
80
93
94
SPRD
SPFD
SPINDLE
SERVO
ADIP
DEMODULATOR/
DECODER
78
ADFG
A/D
CONVERTER
APC
SERVO
DSP
PWM
GENERATOR
10
DIGITAL
AUDIO
I/F
22
24
23
21
SUBCODE
PROCESSOR
11
12
MONITOR
CONTROL
4
3
2
1
3
CPU
I/F
AUTO
SEQUENCER
16
25
26
7
5
6
8
9
1
5
512FS
M
M903
LOADING MOTOR
BCK
LRCK
BUFFER
IC123
SQSY
DQSY
MNT3
MNT2
MNT1
MNT1
MNT0
SENS
SRDT
SCLK
SWDT
XLAT
DIN
ADDT
DADT
DOUT
XRST
91
92
85
86
89
88
83
13
RECP
APCREF
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
FOCNT
XLAT
SCLK
SWDT
CSLED
SE
TE
26
28
32
30
ADFG
ADIN
ADFM
29
31
34
65
67
74
73
EE
VC
TE
SE
33
66
36
37
35
63
62
64
AUX
BOTM
PEAK
ABCD
FE
AUX1
BOTM
PEAK
ABCD
38
RF
55
RFI
58
59
60
60
61
ABCD
AMP
FOCUS
ERROR
AMP
I
J
A
B
C
D
D
E
F
F
VC
CVB
TEMP
AMP
TEMPR
TEMPI
APC
APCREF
EQADJ
3TADJ
WBLADJ
TRACKING
ERROR
AMP
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
48 47 46 40
RF AMP
IC101
EFMO
TX
XINIT
CLOCK
GENERATOR
85
86
89
88
92
91
94
93
SPFD
SPRD
SPRD
SFDR
SRDR
TRDR
FRDR
FFDR
OVER WRITE HEAD DRIVE
IC181
OSCI
XBCK
LRCK
VC
VC
PEAK
&
BOTTOM
TRK–
TRK+
FSC+
FSC–
SLED+
SLED–
SPDL+
SPDL–
DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR
EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M-BIT DRAM
IC121
IC122
4
2
1
SCTX
XINT
XINT
DIN
ADDT
DADT
DOUT
SQSY
DQSY
MNT3
MNT2
MNT1
MNT0
MNT1
MNT0
SENS
SRDT
SRDT
SCLK
SWDT
XLAT
SWDT
XLAT
LDON
WRPWR
MOD
6
5
SDA
SDA
SCL
SCL
LIMIT
REFLECT
REFLECT
PROTECT
CHUCK IN
PACK-OUT
CHUCK IN
PACK-OUT
PB-P
REC-P
EEP ROM
IC171
LOAD-IN
LOAD-OUT
LOAD-OUT
XRST
MAIN
SECTION
DETECT SW
S681 - 683,
S685 - 688
100
• Signal path
: PB
: REC
: PB (Digital out)
: REC (Digital in)
: PB
: REC
: PB (Digital out)
: REC (Digital in)
— 35 —
— 36 —
MDS-J3000/J3000ES
6-2. BLOCK DIAGRAMS
— BD SECTION —
— BD SECTION —
— MAIN SECTION —
— 37 —
— 38 —
MDS-J3000/J3000ES
16
15
1
DIGITAL
OPTICAL OUT
IC352
SQSY
DQSY
12
5
6
10
2
4
LOAD-IN
LOADING MOTOR
DRIVE
IC351
DRIVE
DRIVE
LOADING
SW
Q351,352
DIG-RST
81
27
28
X402
12MHz
25
24
X401
32.768KHz
SCLK
SWDT
XLAT
SYSTEM CONTROL
IC401
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
IC304
12
15
4
3
4
5
MATRIX
SW
14
13
23
20
DISPLAY DRIVER
IC730
FL730
FLUORESCENT
INDICATOR
TUBE
AC
LPF
1
MUTE
FRONT-END
IC302
MUTE
SW
Q301
R-ch
MUTE
Q101
HEADPHONE
AMP
IC770
RV770
PHONES LEVEL
R-ch
R-ch
L
R
IN
OUT
ANALOG
J301
R
L
5
7
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
IC901
7
8
2
12
9
POWER
ON/OFF SW
Q350, 402
S. RESET
P. DOWN
3
1
+6V REG
IC903
+6V
+B
RECT
D903,
904
RECT
D901,
902
RECT
D907,
908
– B
2
3
6V REG
IC904
–
6V
–
1
3
32V REG
IC902
–
32V
–
AC
AC
FL730
AC
MAIN POWER
S1951
IN
T901
POWER
TRANSFORMAER
R-ch
PHONES
J771
23
24
R-ch
INLM
INLP
INLP
INRP
INRM
INRM
ADDT
X301
22MHz
35
36
XIN
XOUT
256CK
SCLK
XLAT
XLAT
83
DA-RST
93
AMUTE
KEY0
KEY1
KEY2
50
51
JOG1
JOG0
43
LED0
LED DRIVE
Q750,751
POWER
D750
3 RM
SIRCS
RECEIVER
IC731
REMOCOM
71
72
73
62
63
61
60
4
39
40
55
FLCLK
FLDATA
FLCS
POWER DOWN
SCK
SDATA
CS
RST
S1
S36
D1
D16
36
VBAT
SYSTEM-RST
STB
39
LOAD V
94
LOAD OUT
86
MOD
LOAD IN
95
75
80
LDON
WRPWR
32
69
67
68
90
42
41
33
77
MNT3
MNT2
SHOCK
FOK
89
XINT
SCTX
SQSY
DQSY
MNT3
MNT2
MNT1
MNT0
DOUT
MCK1
BCK
LRCK
512FS
512FS
SLOCK
XBUSY
52
SDA
53
SCL
LOAD-OUT
SDA
SCL
XRST
MOD
WRPWR
LDON
96
98
97
6
8
LIMITIN
REFLECT
PROTECT
CHUCK IN
PACK OUT
38
37
PLAY P
REC P
LIMIT
REFLECT
PROTECT
CHUCK IN
PACK-OUT
PB-P
REC-P
SENS
SRDT
SCLK
SWDT
XLAT
SENS
SRDT
SCLK
SWDT
XLATCH
BCK
LRCK
512FS
BCK
LRCK
512FS
ADDT
DADT
SCTX
DADT
SCTX
XINT
6
4
DIN
2
7
5
14
DIGITAL
DATA SELECTOR
IC356
IC0
IC1
IC2
1Y
A A B B
84 85
DSEL A
DSEL B
12
10
9
IC353
IC354
13
11
3
3
DIGITAL
COAXIAL
IN
J352
DIGITAL
OPTICAL
IN1
DIGITAL
OPTICAL
IN2
9
10
TIMER SW
SOURCE SW
54
55
PLAY/PAUSE
REC
LED DRIVE
Q701, 702
D701, 702
16 DPD
1
13
9
11
12
3
2
4
8
6
10
5
BUFFER
IC101
22
23
26
25
36
35
ECL
SWITCHING
CIRCUIT
LPF
26
25
14
REC LEVEL
RV780
5
7
RECT
D905,
906
BD
SECTION
09
+B
8
BUFFER
IC355
CURRENT PULSE
IC303
IC102
LINE AMP
IC301
• Signal path
: PB
: REC
: PB (Digital out)
: REC (Digital in)
• R ch is omitted
: PB
: REC
: PB (Digital out)
: REC (Digital in)
• R ch is omitted
+
–
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