Sony MDS-S40 Service Manual ▷ View online
– 33 –
Pin No.
Pin Name
I/O
Description
90
FS4
O
Clock signal (176.4 kHz) output terminal (X’tal system) Not used (open)
91
SRDR
O
Sled servo drive PWM signal (–) output to the BH6511FS (IC152)
92
SFDR
O
Sled servo drive PWM signal (+) output to the BH6511FS (IC152)
93
SPRD
O
Spindle servo drive PWM signal (–) output to the BH6511FS (IC152)
94
SPFD
O
Spindle servo drive PWM signal (+) output to the BH6511FS (IC152)
95
FGIN
I (S)
96
TEST1
I
97
TEST2
I
98
TEST3
I
99
DVSS
—
Ground terminal (digital system)
100
EFMO
O
EFM signal output terminal when recording mode
* I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
Input terminal for the test (fixed at “L”)
– 34 –
•
MAIN BOARD IC501 M30620MC-400FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NC
O
Not used (open)
3
C1
O
Monitor output terminal for the test C1 error rate is output when test mode
4
ADER
O
Monitor output terminal for the test ADER is output when test mode
5
SQSY
I
Subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
“L” is input every 13.3 msec Almost all, “H” is input
6
RMC
I
Remote control signal input from the remote control receiver (IC781)
7
A1 IN
I
Sircs remote control signal input of the CONTROL A1 Not used
8
BYTE
I
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
9
CNVSS
—
Ground terminal
10
XT-IN
I
Sub system clock input terminal (32.768 kHz) Not used (fixed at “L”)
11
XT-OUT
O
Sub system clock output terminal (32.768 kHz) Not used (open)
12
S.RST
I
System reset signal input from the reset signal generator (IC406) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (10 MHz)
14
GND
—
Ground terminal
15
XIN
I
Main system clock input terminal (10 MHz)
16
+3.3V
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
DQSY
I
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
“L” is input every 13.3 msec Almost all, “H” is input
19
P.DOWN
I
Power down detection signal input terminal “L”: power down, normally: “H”
20
KEYBOARD CLK
I
Not used (open)
21
KEYBOARD DATA
I
Not used (open)
22
BEEP OUT
O
Beep sound drive signal output terminal
23
XINT
I
Interrupt status input from the CXD2654R (IC121)
24 to 27
NC
O
Not used (open)
28
L3-CLOCK
O
Serial data transfer clock signal output to the A/D, D/A converter (IC301)
29
NC
O
Not used (open)
30
L3-DATA
O
Serial data output to the A/D, D/A converter (IC301)
31
SWDT
O
Writing data output to the CXD2654R (IC121)
32
SRDT
I
Reading data input from the CXD2654R (IC121)
33
SCLK
O
Serial clock signal output to the CXD2654R (IC121)
34
FLCS
O
Chip select signal output to the FL/LED driver (IC761)
35
FLDATA
O
Serial data output to the FL/LED driver (IC761)
36
NC
O
Not used (open)
37
FLCLK
O
Serial data transfer clock signal output to the FL/LED driver (IC761)
38 to 41
NC
O
Not used (open)
42
JOG1
I
JOG dial pulse input from the rotary encoder (S713
= Cc +) (B phase input)
43
JOG0
I
JOG dial pulse input from the rotary encoder (S713
= Cc +) (A phase input)
44
NC
O
Not used (open)
45
A1 OUT
O
Sircs remote control signal output of the CONTROL A1 Not used
46
NC
O
Not used (open)
47
L3-MODE
O
L3 mode control signal output to the A/D, D/A converter (IC301)
48
DA RST
O
Reset signal output for the A/D, D/A converter “L”: reset Not used (open)
49
MUTE
O
Audio line muting on/off control signal output terminal “L”: line muting on
50
STB
O
Relay drive signal output for the power on/off “L”: standby mode, “H”: relay on
– 35 –
– 36 –
Pin No.
Pin Name
I/O
Description
51
CHACK IN
I
Detection input from the disc chucking-in detect switch “L”: chucking
Not used (fixed at “H”)
Not used (fixed at “H”)
52
NC
O
Not used (open)
53
PACK-OUT
I
Detection input from the loading-out detect switch (S602)
“L” at a load-out position, others: “H”
“L” at a load-out position, others: “H”
54
LDIN
O
Motor control signal output to the loading motor driver (IC441) “L” active *1
55
LDOUT
O
Motor control signal output to the loading motor driver (IC441) “L” active *1
56
LD-LOW
O
Loading motor drive voltage control signal output for the loading motor driver (IC441)
“H” active
“H” active
57, 58
NC
O
Not used (open)
59
REC-P
I
Detection input from the recording position detect switch (S601) “L” active
60
PB-P
I
Detection input from the playback position detect switch (S604) “L” active
61
REC/PB
O
Not used (open)
62
+3.3V
—
Power supply terminal (+3.3V)
63
NC
O
Not used (open)
64
GND
—
Ground terminal
65
SDA
I/O
Two-way data bus with the EEPROM (IC171)
66
MNT3 (SLOCK)
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
67
WR-PWR
O
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
“L”: playback mode, “H”: recording mode
“L”: playback mode, “H”: recording mode
68
PROTECT
I
Rec-proof claw detect input from the protect detect switch (S102) “H”: write protect
69
REFLECT
I
Detection input from the disc reflection rate detect switch (S102)
“L”: high reflection rate disc, “H”: low reflection rate disc
“L”: high reflection rate disc, “H”: low reflection rate disc
70
LDON
O
Laser diode on/off control signal output to the automatic power control circuit “H”: laser on
71
SENS
I
Internal status (SENSE) input from the CXD2654R (IC121)
72
MNT1 (SHOCK)
I
Track jump detection signal input from the CXD2654R (IC121)
73
DIG-RST
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) “L”: reset
74
MNT2 (XBUSY)
I
Busy signal input from the CXD2654R (IC121)
75
XLATCH
O
Serial data latch pulse signal output to the CXD2654R (IC121)
Laser modulation select signal output to the HF module switch circuit
Playback power: “H”, Stop: “L”,
Recording power:
76
MOD
O
77
LIMIT-IN
I
Detection input from the sled limit-in detect switch (S101)
The optical pick-up is inner position when “L”
The optical pick-up is inner position when “L”
78
MNT0 (FOK)
I
Focus OK signal input from the CXD2654R (IC121)
“H” is input when focus is on (“L”: NG)
“H” is input when focus is on (“L”: NG)
79
SCL
O
Clock signal output to the EEPROM (IC171)
2 sec
0.5 sec
Pin No.
Pin Name
I/O
Description
80
SCTX
O
Recording data output enable signal output to the CXD2654R (IC121) and overwrite head
driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
81
CLOCK SET0
I
Destination setting terminal
(US and Canadian models: fixed at “L”, AEP, UK and E models: fixed at “H”)
(US and Canadian models: fixed at “L”, AEP, UK and E models: fixed at “H”)
82
CLOCK SET1
I
Destination setting terminal
(US and Canadian models: fixed at “H”, AEP, UK and E models: fixed at “L”)
(US and Canadian models: fixed at “H”, AEP, UK and E models: fixed at “L”)
83
LED0
O
LED drive signal output of the
r indicator (D741) “L”: LED on
84
LED1
O
LED drive signal output of the
( indicator (D742) “L”: LED on
85
OPT SEL0
O
Not used (open)
86
OPT SEL1
O
Not used (open)
87
MODEL SEL0
I
Setting terminal for the model (fixed at “L” in this set)
88
MODEL SEL1
I
Setting terminal for the model (Not used (open))
89
REC
O
Not used (open)
90
BEEP SW
I
BEEP switch (S851) input terminal “L”: beep off, “H”: beep on
91
NC
O
Not used (open)
92
SOURCE
I
INPUT switch (S731) input terminal (A/D input) “L”: digital input, “H”: analog input
93
KEY3
I
Key input terminal (A/D input) Not used (fixed at “H”)
94
KEY2
I
Key input terminal (A/D input) S721 to S726 (EJECT
6, PLAY MODE, REPEAT, SCROLL,
LEVEL/DISPLAY/CHAR, I/
u keys input)
95
KEY1
I
Key input terminal (A/D input)
S711 to S714 (MENU/NO, YES, PUSH ENTER, CLEAR keys input)
S711 to S714 (MENU/NO, YES, PUSH ENTER, CLEAR keys input)
96
AVSS
—
Ground terminal
97
KEY0
I
Key input terminal (A/D input) S701 to S706 (
r , p, ), 0, P, ( keys input)
98
VREF
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
+3.3V
—
Power supply terminal (+3.3V) (for analog system )
100
MONO/ST
I
Recording mode switch input terminal “L”: mono, “H”: stereo Not used (open)
*1 Loading motor (M103) control
LOADING
EJECT
BRAKE
RUN IDLE
LDIN (pin %¢)
“L”
“H”
“L”
“H”
LDOUT (pin %∞)
“H”
“L”
“L”
“H”
Terminal
Mode
MDS-S40
– 37 –
– 38 –
6-2.
BLOCK DIAGRAM – SERVO Section –
F
C
B
D
A
E
I
J
J
I
B
A
C
D
D
E
F
DETECTOR
1
2
J
I
4
5
6
7
A
B
C
D
D
8
9
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260A/J1NP)
(KMS-260A/J1NP)
AUTOMATIC
POWER
CONTROL
Q162, 163
LASER ON
SWITCH
Q101
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
HF MODULE
SWITCH
IC103, Q102 – 104
11
10
APC
PD
LD/PD
AMP
APCREF
I-V
AMP
I-V
AMP
AT
AMP
B.P.F.
29
30
WBL
ADFM
ADIN
32
ADFG
ABCD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
35
34
26
28
ABCD
FE
TE
SE
V-I
CONVERTER
20
F0CNT
WBL
3T
EQ
SERIAL/
PARALLEL
CONVERTER,
DECODER
COMMAND
17
16
18
SWDT
SCLK
XLAT
RF AMP
B.P.F.
46
RFO
40
RF AGC
& EQ
AGCI
EQ
38
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
48 47
MORFO
MORFI
3T
PEAK &
BOTTOM
WBL
33
AUX
63
37
PEAK
36
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC152
6
8
OUT4F
OUT4R
M
M101
(SPINDLE)
27
25
OUT2F
OUT2R
M
M102
(SLED)
21
23
OUT1F
OUT1R
12
10
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
3
4
IN4R
IN4F
29
30
IN2F
IN2R
19
18
IN1F
IN1R
14
15
IN3F
IN3R
MOD
SPFD
SPRD
92
91
88
89
86
85
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
16
PSB
PWM GENERATOR
AUTOMATIC
POWER
CONTROL
DIGITAL
SERVO
SIGNAL
PROCESS
75
66
65
67
ANALOG MUX
A/D CONVERTER
AUTO
SEQUENCER
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC121 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
81
80
82
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
PLL
FILTER
60
59
62
61
FILI
PCO
CLTV
FILO
100
EFMO
25
ADDT
22
DATAI
DIVIDER
IC123
IC121 (1/2)
15
TX
53
54
57
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADIP
DEMODULATOR/
DECODER
78
ADFG
SPINDLE
SERVO
F0CNT
94 93
SPFD
SPRD
SUBCODE
PROCESSOR
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC121 (1/2)
DADT
INTERNAL BUS
CLOCK
GENERATOR
XBCK
LRCK
FS256
OSCI
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
10
XRST
12
DQSY
11
SQSY
14
XINT
9 8
5 6 7
SENS
SRDT
SWDT
SCLK
XLAT
1
2
3
4
MNT0
MNT1
MNT2
MNT3
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
XLATCH
73
31 33 75
78 72 74 66
MNT0 (FOK)
MNT1 (SHOCK)
MNT2 (XBUSY)
MNT3 (SLOCK)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
54
55
LDIN
LDOUT
5
6
05
2
10
4
M
IN1
IN2
OUT1 OUT2
VZ
LOADING
MOTOR DRIVE
IC441
REFERENCE
VOLTAGE SWITCH
Q441, 442
M103
(LOADING)
49, 48, 50, 51
1, 2, 18, 19
DQ1 – DQ4
34 – 31, 36 – 40, 45
6 – 9, 11 – 15, 5
A0 – A9
D0 – D3
A00 – A09
43
16
47
3
46
4
44
17
XOE
XWE
XRAS
XCAS
XOE
XWE
XRAS
XCAS
D-RAM
IC124
DIN1
SYSTEM CONTROLLER
IC501 (1/2)
74
13
64
76
79
83
12
HF MODULE
16
17
ADDT
DADT, BCK, LRCK
A
(Page 39)
C
(Page 39)
B
(Page 39)
512FS
5 23 71 32
18
70
67
SCTX 80
REFLECT
PROTECT
LD-LOW
UNREG
+12V
56
S102
(REFLECT/PROTECT DETECT)
77
59
LIMIT-IN
REC-P
S101
(LIMIT IN)
53
PACK-OUT
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
: REC (ANALOG IN)
: REC (DIGITAL IN)
COMPA-
RATOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
26
S601
(REC POSITION)
S602
(PACK OUT)
PB-P 60
S604
(PLAY POSITION)
28
21
20
19
29
27
24
XBCKI
23
LRCKI
68
69
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
WAVE SHAPER
IC601 (1/2)
OPTICAL
RECEIVER
IC611
DIGITAL IN
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