Sony MDS-JE630 Service Manual ▷ View online
– 29 –
13. ERROR RATE CHECK
13-1. CD Error Rate Check
Checking Procedure :
1. Load the check disc (MD) TDYS-1.
2. Turn the
1. Load the check disc (MD) TDYS-1.
2. Turn the
[ AMS ]
knob and display “CPLAY MODE”
(C30).
3. Press the
[YES]
button twice and display “CPLAY MID”.
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
[ EJECT]
button and take out the check disc.
13-2. MO Error Rate Check
Checking Procedure :
1. Load the continuously-recorded disc. (Refer to “5. CREAT-
1. Load the continuously-recorded disc. (Refer to “5. CREAT-
ING CONTINUOUSLY-RECORDED DISC”)
2. Turn the
[ AMS ]
knob to display “CPLAY MODE”
(C30).
3. Press the
[YES]
button to display “CPLAY MID”.
4. The display changes to “C1 =
AD =
”.
5. If the C1 error rate is below 50, check that ADER is 00.
6. Press the
6. Press the
[MENU/NO]
button to stop playback, then press the
[ EJECT]
button and take out the test disc.
14. FOCUS BIAS CHECK
Change the focus bias and check the focus tolerance amount.
Checking Procedure :
1. Load the continuously-recorded disc. (Refer to “5. CREAT-
1. Load the continuously-recorded disc. (Refer to “5. CREAT-
ING CONTINUOUSLY-RECORDED DISC”)
2. Turn the
[ AMS ]
knob to display “CPLAY MODE”
(C30).
3. Press the
[YES]
button twice to display “CPLAY MID”.
4. Press the
[MENU/NO]
button when “C =
AD =
” is
displayed.
5. Turn the
[ AMS ]
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 2 digits after [c =] indicate
the focus bias value.
Check that the C1 error is below 50 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 50 and ADER is below 2.
7. Press the
[YES]
button and display “
/
b =
”.
Check that the C1 error is about 200 and ADER is below 2.
8. Press the
[YES]
button and display “
/
a =
”.
Check that the C1 error is about 200 and ADER is below 2
9. Press the
[MENU/NO]
button, then press the
[ EJECT]
but-
ton and take out the disc.
Note 1:
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.
§
§
§
15. 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.
15-1. CD Auto Gain Control Output Level Adjustment
Adjusting Procedure :
1. Load the check disc (MD) TDYS-1.
2. Turn the
1. Load the check disc (MD) TDYS-1.
2. Turn the
[ AMS ]
knob to display “AG Set (CD)” (C26).
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)”.
“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)”.
4. Press the
[ EJECT]
button and take out the check disc.
15-2. MO Auto Gain Control Output Level Adjustment
Adjusting Procedure :
1. Load the test disc (MDW-74/AU-1).
2. Turn the
1. Load the test disc (MDW-74/AU-1).
2. Turn the
[ AMS ]
knob to display “AG Set (MO)”
(C25).
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)”.
“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)”.
4. Press the
[ EJECT]
button and take out the test disc.
§
§
±
≠
±
≠
±
≠
±
≠
±
≠
±
≠
– 30 –
CN110
NOTE
D101
I+3V
IOP
IOP
TEO
RF
VC
RF
VC
GND
IC171
IC121
IC101
IC192
CN101
Note:
It is useful to use the jig. for checking the waveform. (Refer to
Servicing Notes on page 6)
Servicing Notes on page 6)
– BD BOARD (Side B) –
Adjustment Location:
– BD BOARD (Side A) –
MDS-JE630
– 31 –
– 32 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – SERVO Section –
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
(KMS-260A/J1N)
AUTOMATIC
POWER CONTROL
Q162, 163
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
IC152
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
IC121 (2/2)
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
DIVIDER
IC123
IC121 (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
IC121 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
SWDT
SCLK
XLATCH
MNT0 (FOK)
MNT1 (SHOCK)
MNT2 (XBUSY)
MNT3 (SLOCK)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
05
IN1
IN2
OUT1
OUT2
VZ
LOADING
MOTOR DRIVE
IC471
M103
(LOADING)
DQ1 – DQ4
A0 – A9
D0 – D3
A00 – A09
XOE
XWE
XRAS
XCAS
XOE
XWE
XRAS
XCAS
D-RAM
IC124
DIN1
SYSTEM CONTROLLER
IC501 (1/2)
HF MODULE
ADDT
DADT, BCK, LRCK
(Page 33)
1024FS
(Page 33)
(Page 33)
SWDT, SCLK
(Page 33)
SCTX
REFLECT
PROTECT
LD-LOW
UNREG
+12V
56
LIMIT-IN
REC-P
S101
(LIMIT IN)
PACK-OUT
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
S601
(REC POSITION)
S602
(PACK OUT)
PB-P
S604
(PLAY POSITION)
XBCKI
LRCKI
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
WAVE
SHAPER
IC601 (1/2)
OPTICAL
RECEIVER
IC611
OPTICAL
RECEIVER
IC621
DIGITAL IN
OPT1
DIGITAL IN
OPT2
OPTICAL
TRANSCEIVER
IC661
DIGITAL
OUT
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
IC103, Q102 – 104
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
16
3
4
17
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
18
70
73
67
76
5
23
71 32
33 75
78 72 74 66
31
XRST
CLOCK
GENERATOR
49, 48, 50, 51
1, 2, 18, 19
34 – 31, 36 – 40, 45
6 – 9, 11 – 15, 5
C
D
B
A
54 55
5
6
4
2
10
77
59
53
60
69
68
80
M
REFERENCE
VOLTAGE SWITCH
Q471, 472
– 33 –
– 34 –
MDS-JE630
6-2.
BLOCK DIAGRAM – MAIN Section –
05
X341
45.1584MHz
–1
–2
LED DRIVE
Q756
ROTARY
ENCODER
FL DRIVE
Q781, 782
D756
STANDBY
A/D, D/A CONVERTER
IC321
SDTO
ADDT
DADT, BCK,
LRCK
LRCK
SDTI
(Page 32)
A
B
LINE AMP
IC301
MUTING
Q187, 287
MUTING
CONTROL SWITCH
Q306
SIRCS
BUFFER
Q851
REMOTE CONTROL
RECEIVER
IC761
OSC
J101
RV791
PHONE
LEVEL
D454
D453
LINE (ANALOG)
IN
LINE (ANALOG)
OUT
J791
PHONES
R
L
R
L
ADA LATCH
DA
P1
COM24
COM23
MUTE
DA RST
CP
CS
–32V
REGULATOR
IC310
FL ON/OFF SWITCH
Q403, 404
FL ON/OFF SWITCH
CONTROL
Q401, 402
+3.3V
REGULATOR
IC192
–32V
(FL DRIVER (IC771) B–)
AC IN
AC
(TO FL781)
TR901
POWER
TRANSFORMER
UNREG +12V
LOADING MOTOR
DRIVER (IC471) B+
+3.3V
MD MECHANISM
DECK SECTION,
DIGITAL IN/OUT
CIRCUIT B+
+5V
MD MECHANISM
DECK SECTION B+
BACK UP +3.3V
BT451
LITHIUM
BATTERY
RECT
D421
D421
D431
D439
D432
D851
UNREG +12V
F2
Q805
KEYBOARD
OFF SWITCH
+5V
+5V
+5V
KEYBOARD B+
DATA
CLK
4
1
5
KEYBOARD DATA
KEYBOARD CLK
KEYBOARD CONT
F1
VCC
AUDIO
CIRCUIT
UNREG –12V
RECT
D411, 412
BUFFER
Q801, 802
J792
KEYBOARD
BUFFER
Q803, 804
+5V
REGULATOR
IC432
RECT
D413 – 416
RECT
D433, 434
POWER DOWN
DETECT
IC601 (2/2)
79, 80, 1
39 – 60
3 – 37
AD1 – AD3
97, 95 – 93
KEY0 – KEY3
COM01 – COM22
SEG01 – SEG35
SEG01 – SEG35
SEG36 – SEG38
G23
G24
G01 – G22
FLUORESCENT INDICATOR TUBE
FL781
FL/LED DRIVER
IC771
HIGH-PASS FILTER,
DIGITAL
ATTENUATOR
DIGITAL
ATTENUATOR,
SOFT MUTE
A/D
CONVERTER
BLOCK
SUB-
TRACKTION
D/A
CONVERTER
BLOCK
AUDIO
INTERFACE
CONTROLLER
CLOCK
GENERATOR,
CLOCK DIVIDER
CONTROL
REGISTER
INTERFACE
BICK
LRCK
+5V
A/D, D/A CONVERTER (IC321) B+
SYS +3.3V
A1 OUT
A1 IN
DADT
BCK
LRCK
AINL
AINR
XTI
FLDATA
FLCLK
FLCS
JOG0
GND
SW
JOG1
100
MONO/ST
SOURCE
TIMER
P.DOWN
STB
≠ AMS ±
PUSH ENTER
S713
S701 – 706, 711, 712,
S714, 721 – 726,
S731, 732
A
B
SWDT
SCLK
CDTI
CCLK
CS
PD
RMC
OSCI
C772, R772
OSCO
MIX AMP
IC101 (1/2)
MIX AMP
IC201 (1/2)
OSC
IC322
LOW-PASS
FILTER
IC101 (2/2)
LOW-PASS
FILTER
IC201 (2/2)
HEADPHONE
AMP
IC302
(Page 32)
D
(Page 32)
C
(Page 32)
SWDT, SCLK
1024FS
ANA5
SYS3.3
BACK
PH5
STBY
S.RESET
J851
CONTROL A1
ΙΙ
S746
REC MODE
S741
INPUT
S401
RESET
S751
TIMER
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
RESET
SDA
SCL
EEPROM
IC171
XIN
SDA
SCL
XOUT
X513
10MHz
STEREO
MONO
REC
OFF
PLAY
ANALOG
OPT 2
OPT 1
SYSTEM CONTROLLER
IC501 (2/2)
REGULATOR
IC431
S.RST
13
14
12
11
15
16
17
19
3
2
AOUTL+
AOUTL–
26
25
AOUTR+
AOUTR–
28
27
9
7
48
45
40
5
6
79
65
15
13
68
69
92
91
67
62
61
72
LED DRIVE
Q757
D757
PITCH
CONTROL
P2
73
66
65
70
49
21
20
27
6
5
4
42
43
1
3
35 37 34
19 12 50
1
6
5
4
2
12
3
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