Sony MDS-S9 Service Manual ▷ View online
29
MDS-S9
5-15. ERROR RATE CHECK
5-15-1. CD Error Rate Check
Procedure:
1. Load the check disc (TDYS-1).
2. Turn the
1. Load the check disc (TDYS-1).
2. Turn the
[ AMS ]
knob to display “CPLAY1MODE”
(C34).
3. Press the
[YES]
button twice and display “CPLAY1MID”.
4. The display changes to “C =
AD =
)”.
5. Check that the C1 error rate is below 20.
6. Press the
6. Press the
[MENU/NO]
button to stop playback, then press
the
Z
button and take out the check disc (TDYS-1).
5-15-2. MO Error Rate Check
Procedure:
1. Load the continuously-recorded disc. (Refer to “5-6. USING
1. Load the continuously-recorded disc. (Refer to “5-6. USING
THE CONTINUOUSLY RECORDED DISC” (See page 23))
2. Turn the
[ AMS ]
knob to display “CPLAY1MODE”
(C34).
3. Press the
[YES]
button to display “CPLAY1MID”.
4. The display changes to “C =
AD =
)”.
5. If the C1 error rate is below 20, check that ADER is 00.
6. Press the
6. Press the
[MENU/NO]
button to stop playback, then press
the
Z
button and take out the disc.
5-16. FOCUS BIAS CHECK
Change the focus bias and check the focus tolerance amount.
Procedure:
1. Load the continuously-recorded disc. (Refer to “5-6. USING
1. Load the continuously-recorded disc. (Refer to “5-6. USING
THE CONTINUOUSLY RECORDED DISC” (See page 23))
2. Turn the
[ AMS ]
knob to display “CPLAY1MODE”
(C34).
3. Press the
[YES]
button twice to display “CPLAY1MID”.
4. Press the
[MENU/NO]
button when “C =
AD =
)” is
displayed.
5. Turn the
[ AMS ]
knob to display “FBIAS CHECK”
(C16).
6. Press the
[YES]
button to display “
/
c =
T”.
The first four digits indicate the C1 error rate, the two digits
after “/ ” indicate ADER, and the 2 digits after “c =” indicate
the focus bias value.
Check that the C1 error is below 20 and ADER is below 2.
after “/ ” indicate ADER, and the 2 digits after “c =” indicate
the focus bias value.
Check that the C1 error is below 20 and ADER is below 2.
7. Press the
[YES]
button and display “
/
b =
T”.
Check that the C1 error is below 100 and ADER is below 2.
8. Press the
[YES]
button and display “
/
a =
T”.
Check that the C1 error is below 100 and ADER is below 2
9. Press the
[MENU/NO]
button, then press the
Z
button and
take out the disc.
Note:
If the C1 error and ADER are above other than the specified
value at points a (step 8. in the above) or b (step 7. in the above),
the focus bias adjustment may not have been carried out prop-
erly. Adjust perform the beginning again.
value at points a (step 8. in the above) or b (step 7. in the above),
the focus bias adjustment may not have been carried out prop-
erly. Adjust perform the beginning again.
5-17. AUTO GAIN CONTROL OUTPUT LEVEL
ADJUSTMENT
Be sure to perform this adjustment when the optical pick-up is
replaced.
If the adjustment results becomes “Adjust NG!”, the optical pick-
up may be faulty or the servo system circuits may be abnormal.
replaced.
If the adjustment results becomes “Adjust NG!”, the optical pick-
up may be faulty or the servo system circuits may be abnormal.
5-17-1. CD Auto Gain Control Output Level Adjustment
Procedure:
1. Load the check disc (TDYS-1).
2. Turn the
1. Load the check disc (TDYS-1).
2. Turn the
[ AMS ]
knob to display “AG Set (CD)” (C11).
3. When the
[YES]
button is pressed, the adjustment will be per-
formed automatically.
“Complete!!” will then be displayed momentarily when the
value is recorded in the non-volatile memory, after which the
display changes to “AG Set (CD)” (C11).
“Complete!!” will then be displayed momentarily when the
value is recorded in the non-volatile memory, after which the
display changes to “AG Set (CD)” (C11).
4. Press the
Z
button and take out the check disc (TDYS-1).
5-17-2. MO Auto Gain Control Output Level Adjustment
Procedure:
1. Load the test disc (MDW-74/GA-1).
2. Turn the
1. Load the test disc (MDW-74/GA-1).
2. Turn the
[ AMS ]
knob to display “AG Set (MO)” (C10).
3. When the
[YES]
button is pressed, the adjustment will be per-
formed automatically.
“Complete!!” will then be displayed momentarily when the
value is recorded in the non-volatile memory, after which the
display changes to “AG Set (MO)” (C10).
“Complete!!” will then be displayed momentarily when the
value is recorded in the non-volatile memory, after which the
display changes to “AG Set (MO)” (C10).
4. Press the
Z
button and take out the test disc
(MDW-74/GA-1).
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30
MDS-S9
D101
CN101
IC101
CN105
IC151
IC190
1
7
1. I+3V
2. IOP
3. GND
4. TE
5. FE
6. VC
7. RF
2. IOP
3. GND
4. TE
5. FE
6. VC
7. RF
– BD BOARD (Component Side) –
– BD BOARD (Conductor Side) –
Adjustment and checking Loacation:
Note:
It is useful to use the jig for checking BD board waveform. (Refer
to Servicing Notes on page 6)
to Servicing Notes on page 6)
MDS-S9
31
31
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 BLOCK
(KMS-260B or KMS-260E)
AUTOMATIC
POWER CONTROL
Q121, 122
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
IC141
OUT4F
OUT4R
M101
(SPINDLE)
OUT2F
OUT2R
M102
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC151 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
DIVIDER
IC171
IC151 (1/2)
TX
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC151 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0 (FOK)
MNT1 (SHOCK)
MNT2 (XBUSY)
MNT3 (SLOCK)
SHOCK
XBUSY
SWDT
SCLK
SWDT
SCLK
XLATCH
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
WRPWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
FWDIN
REVIN
MOTOR
DRIVE
CLAMP
LOADING
MOTOR DRIVE
IC440
M103
(LOADING)
DQ1 – DQ4
A0 – A9
D0 – D3
A00 – A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC153
DIN1
SYSTEM CONTROLLER
IC1 (1/2)
HF MODULE
ADDT
DADT, BCK, LRCK
(Page 32)
1024FS
(Page 32)
(Page 32)
SWDT, SCLK
(Page 32)
TX0 (CLIP)
REFLECT SW
PROTECT SW
LD-LOW
+5V
11
LIMIT-IN
REC-SW
S101
(LIMIT IN)
OUT-SW
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
: REC (ANALOG IN)
: REC (DIGITAL IN)
S105
(REC POSITION)
S103
(PACK OUT)
PLAY-SW
S104
(PLAY POSITION)
S102-1
(REFELECT RATE DETECT)
S102-2
(PROTECT DETECT)
–1
S102
–2
XBCKI
LRCKI
DATA
BCK
LRCK
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
OPTICAL
RECEIVER
IC611
DIGITAL
IN
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
LASER ON
SWITCH
Q101
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
HF MODULE
SWITCH
Q131 – 134
100
60
59
62
61
53
54
57
78
79
94 93
10
12 11
14
9
8
5 6 7
1 2 3 4
43
47
16
29
27
28
26
21
20
19
23
24
22
25
17
46
44
22
3
4
23
15
ADIP
DEMODULATOR/
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
25
29
47
35
14
27
32
48 40
42 50
58 56
38
XRST
CLOCK
GENERATOR
49, 48, 50, 51
1, 2, 24, 25
34 – 31, 36 – 40, 45
9 – 12, 14 – 18, 5
C
D
B
A
12 13
5
6
4
2
10
30
43
51
49
67
68
44
CLK (CLIP) 46
LRCKI 34
M
REFERENCE
VOLTAGE SWITCH
Q440, 444
IOP
133
COMPARATOR
IC102
DATA
BCK
LRCK
44
45
RXO (CLIP)
MOTOR
DRIVE
WAVE
SHAPER
IC600
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – SERVO Section –
Ver. 1.2
MDS-S9
32
32
13
22
20
37
2
3
14
12
11
15
16
17
HIGH-PASS FILTER,
DIGITAL
ATTENUATOR
A/D
CONVERTER
BLOCK
SUB-
TRACKTION
LINE
AMP
AMP
IC350
DIGITAL
ATTENUATOR,
SOFT MUTE
CONTROL
REGISTER
INTERFACE
CLOCK
GENERATOR,
CLOCK DIVIDER
AUDIO
INTERFACE
CONTROLLER
D/A
CONVERTER
BLOCK
MIX
AMP
IC160 (2/2)
MIX
AMP
IC160 (1/2)
OSC
IC550
LOW-PASS
FILTER
IC260 (2/2)
LOW-PASS
FILTER
IC260 (1/2)
J150
X550
45.1584MHz
25
26
28
27
9
A/D, D/A CONVERTER
IC500
10
36
129
115
123
1
5
6
2
4
PC LINK
J800
+5V
I2CDATA
I2CCLK
EXTON
XBUSY
+5V
19
5
61
6
66
7
60
1
124
1
3
A
B
ROTARY
ENCODER
4
5
.
AMS >
PUSH ENTER
S713
141, 139, 138
KEY0 – KEY2
S701 – 705, 711, 712,
S714, 715, 721 – 724, 726
S714, 715, 721 – 724, 726
2 128
63 62 61
52
60
10
26
19
FLUORESCENT INDICATOR TUBE/LED
DRIVER
IC761
1, 2
5 – 39
40 – 51
LED DRIVE
Q751, 755
GRID DRIVE
Q767
STANDBY
MDLP
D751
P1, P2
S1 – S35
G1 – G12
G13
FLUORESCENT INDICATOR
TUBE
FL771
MUTING
Q180, 281
MUTING
CONTROL SWITCH
Q380
8
13
5
11
131
8
+3.3V
REGULATOR
IC190
4
+3.3V
REGULATOR
Q356
D421
D422
BT420
LITHUM
BATTERY
+5V
+3.3V
MD
MECHANISM
DECK SECTION
BACK UP
+3.3V
SYSTEM +3.3V
SYSTEM CONTROLLER
IC1 (2/2)
A
(Page 31)
B
(Page 31)
D
(Page 31)
C
(Page 31)
L
R
L
R
ANALOG
IN
ANALOG
OUT
EEPROM
IC195
RECT
D461, 462
RECT
D471, 472
D476, 477
D476, 477
LOADING
MOTOR DRIVER
(IC440) B+
UNREG +12V
UNREG –12V
ANALOG
LINE OUT
CIRCUIT
–32V
FL/LED DRIVER
(IC761) B–
AC
(TO FL771)
TR900
SUB POWER
TRANSFORMER
LINE
FILTER
LF900
6
TR950
MAIN POWER
TRANSFORMER
7
2
RECT
D401 – 404
RECT
D431, 432
REGULATOR
IC400
ADDT
DADT, BCK, LRCK
SWDT, SCLK
1024FS
SDTI
SDTO
BICK
LRCK
CDTI
CCLK
CS
DADT
BCK
LRCK
SWDT
SCLK
AINR
AINL
AOUTL–
AOUTL+
AOUTR+
AOUTR–
TXI
SDA
SCL
WP
9
PD
X22
10MHz
XIN
XOUT
I2CDAT
I2CCLK
I2CPOWER
I2CBUSY
GND
SW
DAT
CLK
CS
RST
S.RESET
P.DOWN
PH5
V.BACK
SYS3.5
ANA5
VCC1
VCC2
AC
AC F-1
AC F-2
STB
LATCH
SDA
SCL
EEP-WP
MUTE
RESET
JOG 0
JOG 1
FL-DATA
FL-CLK
FL-CS
PDOWN
RESET
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
AC IN
D481
D412
POWER ON/OFF
RELAY DRIVE
Q910
58 OSCO
OSCI
59
OSC
D755
+3.3V
+5V
A/D, D/A
CONVERTER
(IC500) B+
4
RMC
REMOTE CONTROL
RECEIVER
IC781
–32V
REGULATOR
IC480
C769,
R769
R769
RY910
6-2.
BLOCK DIAGRAM – MAIN Section –
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