Sony MDS-MX101 Service Manual ▷ View online
– 17 –
IC171
IC121
IC101
RF
VC
TEO
IOP
I+3V
CN110
1
5
CN101
D101
IC192
5-11. ADJUSTING POINTS AND CONNECTING POINTS
— BD BOARD (SIDE A) —
— BD BOARD (SIDE B) —
– 18 –
SECTION 6
DIAGRAMS
6-1.
CIRCUIT BOARDS LOCATION
POWER board
OPJ board
SW board
INDICATION board
CONTROL board
BD board
DIGITAL board
E.SW board
MDS-MX101
6-2.
BLOCK DIAGRAM
— 19 —
— 20 —
— 21 —
COMPA-
RATOR
OVER WRITE
HEAD DRIVE
Q181,182
OVER WRITE
HEAD DRIVE
IC181
C B
A
D
I
J
F
E
15
RF
AMP
IC101
RF AMP,
FOCUS/TRACKING
ERROR AMP
MORFO
RF
AGC
VCC
PEAK &
BOTTOM
EQ
B.P.F
1
2
48 47
46
40
AGCI
RFO
EQ
WBL
3T
14
I-V
AMP
4
5
6
7
I-V
AMP
B.P.F
3T
8
9
AT
AMP
TEMPI
TEMPR
12
TEMP
AMP
ABCD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
29
30
DECODER
SERIAL/
PARALLEL
CONVERTER
V-I
CONVERTER
LD/PD
AMP
LASER ON
SWITCH
Q101
Q162,163
AUTOMATIC
POWER
CONTROL
COMMAND
EQ
3T
00X
WBL
11
10
HF
MODULE
MORFI
APC REF
PD
APC
32
17
16
18
20
XLAT
SCLK
SWDT
FOCNT
ADFG
28
26
34
35
33
5
37
SE
TE
FE
ABCD
AUX
BOTM
PEAK
38
RF
I
J
A
B
C
D
F
E
DETECTOR
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
I
J
A
B
C
D
F
E
LASER ON
DIODE
D101
ILCC
PD
VR
BUFFER
IC122
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
M
M
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
WRPWM
A+3V
VC
K
VCC
VC
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC152
SPRD
SPFD
SFDR
SDDR
FFDR
FRDR
TFDR
TRDR
SPRD
SPFD
SFDR
SDDR
FFDR
FRDR
TFDR
TRDR
Q180
HR901
OVER WRITE
HEAD
55
5
62
63
66
64
65
74
73
79
82
81
80
41
42
44
45
83
78
100
58
59
60
61
52
51
FILTER
EFMO
PCO
FILI
FILO
CLTV
PLL
ASYO
ASYI
RFI
PEAK
BOTM
AUTO
SEQUENCER
DRAM
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
DIGITAL
AUDIO
INTERFACE
SAMPLING
RATE
CONVERTER
SUBCODE
PROCESSOR
512FS
BUFFER
IC123
CLOCK
GENERATOR
SERVO
DIGITAL SIGNAL
PROCESSOR
26
XBCK
25
LRCK
16
OSCI
17
OSCO
12
DQSY
11
SQSY
14
XINT
21
DIN
24
DADT
23
ADDT
22
DOUT
94
1
MNT0
2
3
4
5
SWDT
6
SCLK
7
XLAT
8
SRDT
9
SENS
MONITOR
CONTROL
CPU
INTERFACE
MNT1
MNT2
MNT3
ANALOG MUX
ABCD
AUX
SE
TE
FE
ADIP
DEMODULATOR/
DECODER
ADFG
SPINDLE
SERVO
A/D
CONVERTER
FOCNT
DTRF
XWE
XWE
D0 – D3
A0 – A9
D RAM
IC124
XRAS
XCAS
XOE
XCAS
XRAS
XWE
CKRF
XLRF
AUTOMATIC
POWER
CONTROL
PWM
GENERATOR
ADRESS/DATA BUS
APCREF
93
92 91
88 89
86 85
SPRD
SPFD
SFDR
SDDR
FFDR
FRDR
TFDR
TRDR
10
13
RECP
RST
DIGITAL SIGNAL
PROCESSOR
IC121
15
TX
LOADING
MOTOR
DRIVE
2
10
5
6
4
REFERENCE
VOLTAGE SWITCH
Q100,101
M
LOADING MOTOR DRIVE
IC100
OUT1
REV
FWD
OUT2
REF
M903
LOADING
MOTOR
5
6
SDA
SCL
EEPROM
IC171
89
SCTX
91
PWAD
12
XINT
15
SQSY
16
DQSY
77
FOK
33
SHOCK
41
MNT2
42
MNT3
68
SWDT
67
SCLK
90
XLATCH
69
SRDT
52
SDA
53
SCL
94
LD OUT
81
DIG RST
80
WR PWR
86
MOD
75
LD ON
95
LD IN
39
LD LOW
37
REC P
SYSTEM CONTROL
IC200
BCK
LRCK
32
SENS
S688
(REC POSITION)
38
PB P
S687
(PB POSITION)
8
PACK OUT
S686
(PACK OUT)
6
CHACK IN
S685
(CHACKING IN)
7
PACK IN
3.3V
97
PROTECT
S683
(PROTECT)
98
REFRECT
S682
(REFLECT)
96
LIMIT IN
S681
(LIMIT IN)
28
XIN
27
XOUT
25
XIN-T
24
XOUT-T
X201
32.768kHz
X200
12MHz
3
5
6
2
X202
22MHz
OSC
IC201
1
3
2
5
CK
Q
D
Q
DIVIDER
IC203
14
SDT O
13
SDT I
12
SCLK
11
LRCK
15
MCLK
1
PH5
5
A IN L
BCK
LRCK
A/D,D/A CONVERTER
IC202
OPTICAL
INPUT
IC104
OPTICAL
OUTPUT
IC103
DIGITAL OUT
SYSTEM CONTROL
DIGITAL IN
26
A OUT L
3
A IN R
27
A OUT R
23
PDDA
24
PDAD
16
DEM0
92
PWDA
88
DEMP
3
KEY 0
5
KEY 2
4
KEY 1
61
SYNC
56
PAUSE
55
PLAY
54
REC
72
FL DATA
71
FL CLK
73
FL CS
13
PDOWN
Q201-204
LED
DRIVER
S400-410
FUNCTION
KEY
D400-402
EJECT
S411
POWER
SWITCH
Q102,103
FLUORESCENT
INDICATOR TUBE
FL400
40
52
5
39
G1
G13
S1
S35
FL DISPLAY
DRIVER
IC400
-VM SW
Q104,105
64
VDD
56
VFL
60
RST
58
OSCO
59
OSCI
SYS 3.3V
D106
D107
2MHz
F1
F2
D104
63
DAT
62
CLK
61
CS
B+ SWITCH
Q205
+3.3V
REG
IC192
1
5
9
PDOWN
4
ANA5
5
SYS 3.3V
8
CD1
2
STBY
6
BACK
12
RESET
36
STBY
23
BACK
20
SYS RST
3
VCC
7
AC
REGULATOR
IC101
D109
D108
D110
D111
+12V
(IC100)
HEAD 5V
MDM 3.3V
D 3.3V
A 3.3V
MOTOR 5V
B+
(IC202)
SYS 3.3V
(IC200,400)
14
AU BUS
59
AU BK
46
BUS OUT
SWITCHING
Q200
Q206
D200
1
2
5
4
9
10
12
CN102
IN L
OUT L
IN R
OUT R
AU BUS
AC
AC
: MD PB
: MD REC
: MD PB (DIGITAL OUT)
: MD REC (DIGITAL IN)
PD
LD
WAVE
SHAPER
IC102
46
49
1, 2, 18, 19
5 – 9, 11 –15
29 – 32, 34 – 38, 43
3
4
17
16
• Signal path.
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