Sony MDS-JA555ES Service Manual ▷ View online
33
33
5-13. Error Rate Check
5-13-1. CD Error Rate Check
Checking procedure:
Checking procedure:
1. Load a check disc (TDYS-1).
The disc is loaded by pushing the tray.
2. Rotate the lAMSL knob to display “CPLAY MODE”
(C30).
3. Press the YES button to display “CPLAY MID”.
4. The display is changed to “C = AD = ”.
5. Confirm that the C1 error rate is below 20.
6. Press the MENU/NO button to stop playing back, and press
4. The display is changed to “C = AD = ”.
5. Confirm that the C1 error rate is below 20.
6. Press the MENU/NO button to stop playing back, and press
the A button to eject the check disc.
5-13-2. MO Error Rate Check
Checking procedure:
Checking procedure:
1. Load a test disc (MDW-74/AU-1).
The disc is loaded by pushing the tray.
2. Rotate the lAMSL knob to display “CPLAY MODE”
(C30).
3. Press the YES button to display “CPLAY MID”.
4. The display is changed to “C = AD = ”.
5. Confirm that the C1 error rate is below 50 and the ADER is
4. The display is changed to “C = AD = ”.
5. Confirm that the C1 error rate is below 50 and the ADER is
below 2.
6. Press the MENU/NO button to stop playing back, and press
the A button to eject the test disc.
5-14. Focus Bias Check
Change the focus bias to check the focus tolerance amount.
Checking procedure:
1. Load the test disc (MDW-74/AU-1).
The disc is loaded by pushing the tray.
2. Rotate the lAMSL knob to display “CPLAY MODE”
(C30).
3. Press the YES button to display “CPLAY MID”.
4. After “C = AD = ” appears, press the MENU/NO
4. After “C = AD = ” appears, press the MENU/NO
button.
5. Rotate the lAMSL knob to display “FBIAS CHECK”
(C05).
6. Press the YES button to display “ / c = ”.
The first four digits indicate the C1 error rate, the two digits
after “/” indicate ADER, and the two digits after “c = “ indicate
the focus bias amount.
Confirm that the C1 error is below 50 and the ADER is below
2.
after “/” indicate ADER, and the two digits after “c = “ indicate
the focus bias amount.
Confirm that the C1 error is below 50 and the ADER is below
2.
7. Press the YES button to change the display to “ /
b = ”.
Confirm that the C1 error is below 200 and the ADER is below
2.
Confirm that the C1 error is below 200 and the ADER is below
2.
8. Press the YES button to change the display to “ /
a = ”.
Confirm that the C1 error is below 200 and the ADER is below
2.
Confirm that the C1 error is below 200 and the ADER is below
2.
9. Press the MENU/NO button and press the A button to eject
the test disc.
Note 1 : If the C1 error and ADER are out of the specified value at
points a (step 8) or b (step 7), the focus bias adjustment
may not have been carried out properly. Perform the
adjustment from the beginning again.
may not have been carried out properly. Perform the
adjustment from the beginning again.
5-15. Auto Gain Control Output Level Adjustment
Be sure to perform this adjustment when optical pickup is replaced.
When result of adjustment ends with the message “Adjust NG!”,
the optical pickup may be defective. Perform the adjustment again.
When result of adjustment ends with the message “Adjust NG!”,
the optical pickup may be defective. Perform the adjustment again.
5-15-1. CD Auto Gain Control Output Level Adjustment
Adjustment procedure:
Adjustment procedure:
1. Load the test disc (TDYS-1).
The disc is loaded by pushing the tray.
2. Rotate the lAMSL knob to display “AG Set (CD)”
(C26).
3. Press the YES button to start automatic adjustment. After the
adjustment results are saved in the non-volatile memory and
“Complete!” appears, the display is changed to “AG Set (CD)
and the adjustments are completed.
“Complete!” appears, the display is changed to “AG Set (CD)
and the adjustments are completed.
4. Press the MENU/NO button and press the !! button to eject the
check disc.
5-15-2. MO Auto Gain Control Output Level Adjustment
Adjustment procedure:
Adjustment procedure:
1. Load the test disc (MDW-74/AU-1).
The disc is loaded by pushing the tray.
2. Rotate the lAMSL knob to display “AG Set (MO)”
(C25).
3. Press the YES button to start automatic adjustment. After the
adjustment results are saved in the non-volatile memory and
“Complete!” appears, the display is changed to “AG Set (MO)
and the adjustments are completed.
“Complete!” appears, the display is changed to “AG Set (MO)
and the adjustments are completed.
4. Press the MENU/NO button and press the A button to eject
the check disc.
5-16. Adjusting Points and Connecting Points
[BD BOARD] (SIDE A)
RF
VC
NOTE
CN110
D101
I+3V
IOP
TEO
GND
IC171
IC121
IC101
IC192
CN101
Note:
It is recommended to use the tool for BD board waveform
check when the waveform is checked.
(Refer to page 7 of Service note.)
check when the waveform is checked.
(Refer to page 7 of Service note.)
[BD BOARD] (SIDE B)
MDS-JA555ES
34
34
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAMS
BD 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-260B/J1N)
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
SWDT
SCLK
XLATCH
53
31 33 70
67 54 52 60
MNT0 (FOK)
MNT1 (SHOCK)
MNT2 (XBUSY)
MNT3 (SLOCK)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
78
79
LDIN
LDOUT
5
6
16
2
10
4
M
IN1
IN2
OUT1 OUT2
VZ
LOADING
MOTOR DRIVE
IC250
EEPROM
IC171
REFERENCE
VOLTAGE SWITCH
Q251, 252
M10
(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
IC800 (1/3)
74
13
64
69
79
83
12
HF MODULE
16
17
ADDT
DADT, BCK, LRCK
A
(Page 35)
DIGITAL IN
B
(Page 35)
D
1024FS
(Page 35)
(Page 35)
SWDT, SCLK
F
(Page 35)
DIG-RST
(Page 35)
DIGITAL OUT
C
(Page 35)
E
5 20 55 32
18
56
59
SCTX 65
REFLECT
CHACK IN
PROTECT
75
LD-LOW
SDA
B+
80
S102
(REFLECT/PROTECT DETECT)
68
77
LIMIT-IN
REC-P
S101
(LIMIT IN)
76
PACK-OUT
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
COMPA-
RATOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
26
S13
(REC POSITION)
S12
(PACK OUT)
S11
(CHUCKING IN)
PB-P
S10
(PLAY POSITION)
28
21
20
19
29
27
24
XBCKI
23
LRCKI
58
57
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
74
G
61
SCL
SDA
SCL
66
5
6
MDS-JA555ES
35
35
MAIN SECTION
DIGITAL FILTER
IC301
DIGITAL FILTER,
NOISE SHAPER
IC501
D/A CONVERTER
IC502
CURRENT PULSE
IC504, 505
IC505
A/D CONVERTER
IC302
16
G
(Page 34)
13
1
5
4
5
3
8
10
X501
45.1584MHz
XIN
64FS
512FS
NSDOL1
NSDOL2
NSDOL2
NSDOL3
NSDOL4
NSDIL1
NSDIL2
NSDIL3
NSDIL4
NSDIL4
DATAI
BCKI
LRCKI
–1
–2
–1
–2
–1
–2
AL1
AR1
ADR
ADL
IC803,805
3
7
13
17
DLO
INIT
BCK
LRCK
BCK
BUFFER
IC804
BUFFER
IC803 (1/8)
9
11
2
1
BAL t UNBAL
IC509, 510 (2/2)
BAL t UNBAL
IC508, 511 (2/2)
LOW-PASS
FILTER
IC510 (1/2),
IC515 (1/2).
IC515 (1/2).
Q502
MUTING
Q651 – 654
MUTING
CONTROL SWITCH
Q202
MUTING
CONTROL SWITCH
Q203
DIG-RST
A
(Page 34)
ADDT
B
(Page 34)
DIGITAL IN
C
(Page 34)
DIGITAL OUT
H
(Page 36)
D
(Page 34)
DADT, BCK,
LRCK
LRCK
F
(Page 34)
SWDT,
SCLK
SCLK
E
(Page 34)
1024FS
BCK
DADT
LRCK
A
B
13
8
6
3
1
56
256FSO
44
57
58
59
48
49
50
SHIFT
OSC
IC514
SCLK
32
SCDATA
INIT
LATCH
SWDT
33
31
30
54
LRCK
56
4
ICLK
22
50
20
21
AINL+
AINL–
3
4
FCLK
MCLK
26
27
APD
2
21
8
BUFFER
IC305
LINE AMP
IC307
AINR+
AINR–
26
25
BUFFER
IC306
RESET SWITCH
Q880, 881
LINE AMP
IC308
IC803
IC512
IC803
RV760
REC LEVEL
ANALOG
PJ501 (1/2)
PJ501 (2/2)
LINE (ANALOG)
IN
LINE (ANALOG)
OUT
L
R
L
R
L1 (+)
L1 (–)
L1 (–)
L2 (+)
L2 (–)
IN1+
IN1–
IN2+
IN2–
79
76
2
5
25
24
27
28
IO1+
IO2–
IO2+
IO1–
1
2
5
4
IC504
LOW-PASS
FILTER
IC511 (1/2),
IC513 (1/2),
IC513 (1/2),
Q501
R1 (+)
R1 (–)
R1 (–)
R2 (+)
R2 (–)
IN2+
IN2–
IN1+
IN1–
IN1–
26
29
23
20
27
28
25
24
IO1+
IO2–
IO2–
IO2+
IO1–
1
2
5
4
NSDOR1
NSDOR2
NSDOR3
NSDOR2
NSDOR3
NSDOR4
NSDIR1
NSDIR2
NSDIR2
NSDIR3
NSDIR4
NSDIR4
17
19
22
24
49
48
47
46
DINIT
64FSI
XIN
MUTE
NSBCKO
NSBCKO
512FSO
40
10
13
13
39
54
51
51
XIN
XOUT
X800
7MHz
DALATCH
87
13
15
11
10
23 22 21
83
86 85
88
XIN-T
XOUT-T
X801
32.768kHz
SYSTEM CONTROLLER
IC800 (2/3)
DARST
ROTARY
ENCODER
S740
S740
REC LEVEL
DIGITAL
DVOL1
DVOL0
D802
D803
MUTE
RELAY DRIVE
Q505
RY501
RV651
PHONE
LEVEL
J651
PHONES
HEADPHONE
AMP
IC651
POWER DOWN
1Y
1C0
WAVE
SHAPER
IC404
OPTICAL
RECEIVER
IC401
OPTICAL
RECEIVER
IC402
WAVE SHAPER
IC406
7
1
OPT1
DIGITAL IN
OPT2
DIGITAL IN
1C1
1C3
1C2
SEL0
SEL1
DIGITAL INPUT SELECTOR
IC405
COAXIAL
DIGITAL IN
J400
7
6
5
3
4
14 2
COAX/XOPT
OPT2/XOP1
SEL0
SEL1
SEL0
SEL1
OPTICAL
TRANSCEIVER
IC403
OPTICAL
DIGITAL OUT
COAXIAL
DIGITAL OUT
J401
T400
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
ADRST
MDS-JA555ES
36
36
DISPLAY/POWER SUPPLY SECTION
16
A1IN
7
A1OUT
82
SYSTEM CONTROLLER
IC800 (3/3)
SIRCS
BUFFER
Q450
J450
S-LINK
CONTROL A1
D450
REMOTE CONTROL
RECEIVER
IC761
6
RMC
ROTARY
ENCODER
1
3
97, 95 – 93
KEY0 – KEY3
2
JOG0
GND
SW
1
JOG1
92
SOURCE
91 TIMER
≠ AMS ±
PUSH ENTER
S713
S701 – 706, 711, 712,
S714, 716, 722 – 726,
S714, 716, 722 – 726,
S731 – 734
A
B
SYS +3.3V
S741
INPUT
S751
TIMER
4
5
REC
OFF
PLAY
ANALOG
COAX
OPT1
OPT2
OSC
DA
CP
CP
CS
FLUORESCENT INDICATOR TUBE
/LED DRIVER
IC771
35
FLDATA
37
FLCLK
34
70
69
68
FLCS
65
OSCI
C772, R772
66
OSCO
GRID DRIVE
Q781, 782
61
62
COM24
COM23
79, 80, 1
39 – 60
3 – 37
AD1 – AD3
COM01 – COM22
SEG01 – SEG35
S01 – S35
S36 – S38
G23
G24
G01 – G22
FLUORESCENT
INDICATOR TUBE
FL781
LED DRIVE
Q756
LED DRIVE
Q758
LED DRIVE
Q757
LED DRIVE
Q753
72
74
P3
73
P2
75
P4
P1
D756
STANDBY
D758
MEGA
CONTROL
D757
FILTER
D753
(
LED DRIVE
Q754
89
LED0
D754
P
LED DRIVE
Q755
90
LED1
D755
r REC
67
RESET
+12V
REGULATOR
IC230
–12V
REGULATOR
IC231
–32V
REGULATOR
IC270
+3.3V
REGULATOR
IC192
AC
(TO FL781)
T001
POWER
TRANSFORMER
T002
POWER
TRANSFORMER
RY200
+5V
(MD SERVO SECTION B+)
+3.3V
(MD SERVO SECTION B+)
BT701
LITHIUM
BATTERY
RECT
D706
D706
D242
D241
D243
D805
VCC
A/D CONVERTER (IC302)
LINE FILTER
LF001
POWER DOWN
DETECT
IC801 (2/2)
+5V
REGULATOR
IC304
–5V
REGULATOR
IC303
–7V
REGULATOR
IC506
+7V
REGULATOR
IC507
+5V
REGULATOR
IC503
RECT
D204, 207
RECT
D202
D202
RECT
D203, 208
RECT
D201
D201
POWER
RELAY DRIVE
Q201
D+5V
(DIGITAL CIRCUIT B+)
LOADING MOTOR
DRIVER (IC250) B+
12
84
STB
3
PH5
VIN
VIN
1
1
VOUT
5
STB
2
SYS3.3
5
BACK
6
STBY
2
S.RESET
12
ANALOG LINE IN/OUT CIRCUIT,
HEADPHONE AMP (IC651)
CURRENT PULSE
(IC504, 505)
+3.3V/+5V REGULATOR,
RESET SIGNAL GENERATOR
IC240
+3.3V REGULATOR
IC802
1
VOUT
2
STB
4
+5V REGULATOR
IC260
S.RST
19
P.DOWN
LINE FILTER
LF002
POWER RELAY B+
VF
VF
+12V
–12V
+5V
–5V
+7V
–7V
AC IN
+5V
D/A CONVERTER (IC502)
(ANALOG SECTION) B+
–32V
FL DRIVER
(IC771) B–
(IC771) B–
SYS +3.3V
SYSTEM CONTROLLER
PULL-UP, PANEL B+
+3.3V
DIGITAL IN/OUT
CIRCUIT B+
BACK UP +3.3V
(SYSTEM CONTROLLER (IC800) B+)
H
(Page 35)
POWER DOWN
IC801
(1/2)
–1
–2
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