Sony SCD-XA333ES Service Manual ▷ View online
26
SCD-XA333ES
4-7. WAVEFORMS CHECK
This set performs automatic adjustment for each disc, and there-
fore the set need not be adjusted when parts are replaced, but it
requires checking following the description in this section, 4-1.
IC AND FLUORESCENT DISPLAY TUBE CHECK and 4-2.
AUTO CHECK.
For the check, the test mode is used. Wrong setting causes a trouble,
thus requiring extreme care.
fore the set need not be adjusted when parts are replaced, but it
requires checking following the description in this section, 4-1.
IC AND FLUORESCENT DISPLAY TUBE CHECK and 4-2.
AUTO CHECK.
For the check, the test mode is used. Wrong setting causes a trouble,
thus requiring extreme care.
BU Electrical Adjustment Mode
The BU electrical adjustment mode is used to check the S curve
waveform, traverse waveform and RF waveform. After a disc is
placed on the tray, each time the
waveform, traverse waveform and RF waveform. After a disc is
placed on the tray, each time the
[ AMS ]
dial is pressed,
the check mode is switched in order for S curve waveform
t
traverse waveform
tRF waveform.
Setting Method:
After setting the test mode, rotate the
After setting the test mode, rotate the
[ AMS ]
dial to select
“9C BU DENCHO” and press the
[ AMS ]
dial to enter.
“BU MEASURE” will be displayed if the BU electrical adjust-
ment mode becomes active.
ment mode becomes active.
S Curve Check
Connection:
Checking Method:
1. After setting the BU electrical adjustment, place the test disc
1. After setting the BU electrical adjustment, place the test disc
(PATD-012 or SATD-S5 or SATD-S4) on the tray and close
the tray, then press the
the tray, then press the
[ AMS ]
dial.
2. At the completion of disc type check, “CD DETECT” will be
displayed (for PATD-012 or YEDS-18).
Note:
For the SATD-S5 or SATD-S4, “SACD DETECT“ is displayed.
3. Press again the
[ AMS ]
dial, and the S curve waveform
check mode will become active and “S-J1 MODE” will be
displayed.
displayed.
4. Connect an oscilloscope to the TP506 (FE) and TP504 (AVC)
on the MAIN board.
5. Check that the level A and B of waveform on the oscilloscope
satisfy the specification.
Specified Value:
Disc
A
B
SATD-S5 or
SATD-S4
PATD-012 or
0.7 to 1.7 Vp-p
- 0.1 to +0.1V
YEDS-18
Note:
For easier observation of this waveform, extend the sweep time
and raise the brightness.
and raise the brightness.
Checking and Connecting Location : See page 27.
MAIN board
TP506 (FE)
TP504 (AVC)
+
–
–
oscilloscope
A
B
S curve waveform
VC
Traverse Check
Connection:
Checking Method:
1. Under the condition of S curve waveform check mode in step
1. Under the condition of S curve waveform check mode in step
5, press the
[ AMS ]
dial.
2. After “WAIT” is displayed, the traverse waveform check mode
will become active and “TRAVERSE MODE” will be dis-
played.
played.
3. Connect an oscilloscope to the TP513 (TE) and TP504 (AVC)
on the MAIN board.
4. Check that the level A and B of waveform on the oscillo-
scope satisfy the specification.
Specified Value:
Disc
A
B
SATD-S5 or
SATD-S4
PATD-012 or
0.9 to 1.5 Vp-p
- 0.1 to +0.1V
YEDS-18
Checking and Connecting Location : See page 27.
MAIN board
TP513 (TE)
TP504 (AVC)
+
–
–
oscilloscope
A
B
VC
Center fo the waveform
Traverse waveform
l
L
l
L
l
L
l
L
l
L
l
L
SCD-XA333ES
27
27
Checking and Connecting Location:
– MAIN Board (Component Side) –
TP513
(TE)
TP504
(AVC)
TP506
(FE)
TP517
(WFCK)
TP516
(RFCK)
TP808
(DG)
IC701
IC801
IC509
TP703
(RFAC)
TP704
(AGND)
RF Level Check
Connection:
Checking Method:
1. Under the condition of traverse waveform check mode in step
1. Under the condition of traverse waveform check mode in step
4, press the
[ AMS ]
dial.
2. Connect an oscilloscope to the TP703 (RFAC) and TP704
(AGND) on the MAIN board.
3. After “WAIT” is displayed, the RF waveform check mode will
become active and “PLAY 5th” will be displayed, and the 5th
music on the disc will be played.
music on the disc will be played.
4. Check that the RF waveform is clear and the level satisfies the
specification.
5. Press the
[ AMS ]
dial, and “GAISHU” will be displayed
and the outward track of the disc will be played.
6. Check that the RF waveform is clear and the level satisfies the
specification.
7. Press the
[ AMS ]
dial, and “NAISHU” will be displayed
and the inward track of the disc will be played.
8. Check that the RF waveform is clear and the level satisfies the
specification.
9. After checking, press the
[ AMS ]
dial, and the test is
over when “BU MEASURE” is displayed.
10. Press the
[OPEN/CLOSE]
button to open the tray, and remove
the test disc.
11. Using each type of disc, repeat from step 1 of S curve wave-
form check up to step 10 of RF level check.
12. When the check is over, press the
[POWER]
button to turn the
power off.
Note:
Take care not to leave the test disc in the set.
Specified Value:
Disc
A
SATD-S5 or
SATD-S4
PATD-012 or
0.9 to 1.5 Vp-p
YEDS-18
Note:
Clear RF waveform refers to the waveform where
◊
shapes should
be distinctively observed in the center.
MAIN board
TP703 (RFAC)
TP704 (AGND)
+
–
–
oscilloscope
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
RF signal waveform
A
CLV Jitter Check (CD only)
Connection:
Checking Method:
1. Set the test mode.
2. Connect an oscilloscope to the TP516 (RFCK) (CH1), TP517
1. Set the test mode.
2. Connect an oscilloscope to the TP516 (RFCK) (CH1), TP517
(WFCK) (CH2) and TP808 (DG) (GND) on the MAIN board.
3. Place the test disc PATD-012 or YEDS-18 on the tray, and
close the tray.
4. Rotate the
[ AMS ]
dial to select “61 DISC DETECT”,
and press the
[ AMS ]
dial to enter. Then, the disc type
will be judged.
5. Check that the disc type has been judged.
(For the PATD-012, “DSKMOD CD” will be displayed. Refer
to the test mode, DISC DETECT command (page 16))
to the test mode, DISC DETECT command (page 16))
6. Rotate the
[ AMS ]
dial to select “86 ALL SRV ON”,
and press the
[ AMS ]
dial. Then, the disc will rotate,
automatic adjustment will be carried out, and all servos will
be turned on.
be turned on.
7. Rotate the
[ AMS ]
dial to select “07 DSP MON3”, and
press the
[ AMS ]
dial to enter.
8. Check that the value A of waveform on the oscilloscope sat-
isfies the specification.
9. Rotate the
[ AMS ]
dial to select “19 ALL SRV OFF”,
and press the
[ AMS ]
dial. Then, all servos will be
turned off and the disc rotation will stop.
10. Press the
[OPEN/CLOSE]
button to open the tray, and remove
the test disc.
11. Press the
[POWER]
button to turn the power off.
Note:
Take care not to leave the test disc in the set.
Specified Value:
Disc
A
PATD-012 or
50
µ
sec or less
YEDS-18
MAIN board
TP516 (RFCK)
TP517(WFCK)
TP808 (DG)
+
+
–
oscilloscope
(CH2)
(CH1)
A
CLV jitter waveform
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
SCD-XA333ES
28
28
•
Signal Path
: SACD PLAY
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
A
B
C
F
E
D
H
G
1
63
3
4
5
6
18
17
12
11
10
9
22
24
20
36
12
11
5
6
2
9
3
25
8
9
20
24
23
20
LASER
DIODE
(CD)
48
47
46
41
40
50
64
66
67
65
71
17
80
79
10
14
24
22
22
19
15
13
8
7
6
5
4
3
77
76
63
2
25
39
39
40
38
43
DETECTOR
OPTICAL PICK-UP
BLOCK
(KHM-230AAA)
33
30
26
31
(FOCUS)
(TRACKING)
2-AXIS
DEVICE
VC
(+2.5V)
MODULE
CIRCUIT B+
FOCUS
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
STANDBY1
STANDBY2
MUTE2
TRACKING
COIL
DRIVE
M
M
14
13
FD+
FD–
TD+
TD–
13
SP+
SP–
SP–
SP+
SP–
SP–
29
32
34
RF
A
B
C
D
E
F
G
H
DVDRFP
A2
B2
C2
D2
CD_E
CD_F
A
B
C
D
57
62
61
59
60
53
52
54
55
20
42
38
27
SDEN
SDEN
SDATA
DATA_RF
SCLK
CLK_RF
TE
TE
FE
FE
PI
PI
PI
RFAC
MIRR
MIRR
CDLD
CDPD
VC
VC125
CD_LD
CD_PD
+1.65V
A+5V
M3
(SPINDLE)
M2
(SLED)
S1
(LIMIT)
RFAC
TE
TE
RFDC
FFDR
SRDR
TFDR
SFDR
TRDR
FRDR
MIRR
MIRR
SRDR
TFDR
SFDR
TRDR
SD+
DRVC
D+3.3V
SD–
FFDR
FRDR
FJMP1
FJMP2
TFDR
TRDR
SFDR
FG
SRDR
17
FOCUS/TRACKING COIL DRIVE,
SLED MOTOR DRIVE
IC502
ATOP
ATON
AIP
AIN
FNP
FNN
DIP
DIN
26
LDON
LDON
16
15
14
13
CD_A
CD_B
CD_C
CD_D
6
5
LOADING
MOTOR
DRIVE
MUTE1
M
2
LOAD+
LOAD–
LOAD–
VMOD
22
SACD/CD RF-AMP,
FOCUS/TRACKING ERROR AMP
IC001
21
23
LASER
DIODE
(SACD)
DVDLD
DVDPD
DVD_LD
DVD_PD
IC081
6
7
2
1
RFSIN
VMOD
SPINDLE/LOADING
MOTOR DRIVE
IC512
M1
(LOADING)
17
17
18
27
26
SSTP
LIM_SW
MUTE_2D
SP_ON
MUTE_LOAD
SPDA
SPIN
LOAD_IN
LOAD_OUT
IC004(2/2)
5
7
+1.65V
AVC +1.65V
DRVC +2.5V
A+3.3V
IC004(1/2)
D+5V
IC503 (1/2)
RFAC
SE
FE
FE
COAXIAL
OPTICAL
BUFFER
Q460
DIGITAL
(CD)
J460
MDAT
BCLK
LRCK
LRCK
768FS
GSCOR
EXCK
SBSO
SBSO
WFCK
WFCK
C2PO
C2PO
LOCK
FOK
COUT
SCOR
SCOR
GFS
SCLK
SENS
CLOK
XLAT
DATA
MUTE_CD
SQCK
SQSO
MD2
LOCK
FOK
COUT
SCOR
GFS
SCLK
SENS
CLOK
XLAT
DATA
MUTE
SQCK
SQSO
MD2
XRST_CD
MDP
MDP
DOUT
PCMD
BCK
XTAI
WDCK
EXCK
XRST
CE
VC
AVC(1.65V)
DIGITAL SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER
IC509
DRVC
AUTOMATIC POWER
CONTROL (FOR SACD)
Q001
AUTOMATIC POWER
CONTROL (FOR CD)
Q003
B+ SW
Q002, 005
21
OPTICAL
TRANSCEIVER
IC460
(Page 29)
(Page 29)
(Page 30)
(Page 29)
(Page 29)
(Page 30)
(Page 30)
(Page 30)
SECTION 5
DIAGRAMS
5-1.
BLOCK DIAGRAM – RF/SERVO Section –
SCD-XA333ES
29
29
IC708(2/2)
IC708(1/2)
IC703(1/2)
A
I
J
D
E
K
B
M
L
N
•
Signal Path
: SACD PLAY
: CD PLAY
17
33
18
33
18
34
76
94
78
94
78
95
35
137
135
150
146
17
164
18
19
20
21
147
148
151
158
160
163
107
109
155
MA0
–
9
21
–
24, 27
–
32
172
–
176, 1, 2, 4
5, 7, 9
–
14
48
49
46
53
26
166
165
167
164
167
169
170
93
169
–
176
SD0
–
7
123
9
10
2
3
4
6
7
WCK
XRST
XRST_DSD
XRST_ZDSD
78
1
12
10
8
256FS
BCLK
141
145
144
143
DCLK
XRAS
XCAS
XWE
PHREFI
BCKAI
35
17
16
15
117
RF_AC
D-RAM
IC706
I/O0
–
15
A0
–
9
WE
OE
RAS
UCAS
LCAS
MD0
–
F
BD0 – F
MA0 – 9
D0
–
7
A0
–
7
XMWR
XMOE
XRAS
XMOE
XRAS
XCAS
RFIN
D0 – D7
A0 – A7
D0 – 7
A0 – 7
HDB0
–
7
XHWR
XHRD
XHRQ
XHAC
HDB8
MA11
168 SDEF
XSRQ
126
127
WARFI
XSAK
XSHD
SDCK
A0
–
11
A0
–
11
DQ0
–
7
IC808
D-RAM
CLK
RAS
CAS
WE
DQ0
–
7
142
DCKE
34 CKE
DATA BUS
ADDRESS BUS
2
–
5, 7
–
10,
41
–
44, 46
–
49
44, 41, 39, 35,
32, 30, 27, 24
79
–
80, 82
–
87,
89, 91
162
–
159,157
–
154
152,151,149,148
21
–
24,27
–
32
20 , 19
CLOCK
BUFFER
IC811
+
–
–
66
–
69,71, 73
–
75,
96
–
97, 99, 101, 102,
104
–
106
XRST_DVD
XHRD
XHWR
XCS1882
XINIT0
XINIT1
XRST
XRD
XWR
XCS
XWR
XCS
XINT0
XINT1
XINT1
SCOR
MDIN
GSCOR
EXCK
SBSO
WFCK
C2PO
BCLK
MDAT
LRCK
MDP
SPIN
GFS_V
JIT
APDO
SCOR
MDIN2
SPO
GSCOR
EXCK
EXCK
WFCK
SBIN
C2PO
BCLK
MDAT
LRCK
MDAT
LRCK
GFS
APEO
SACD DECODER
IC701
BUFFER
IC812
BUFFER
IC813
7
2
3
2
1
1
5
XTAL
XTL2
XTL1
SMUTE
XMSLAT
MSCK
MSDATI
MSDATO
MSREADY
A2
SHRMUT
XMSLAT
MSCK
MSDATI
MSDATO
SHRRDY
115
TEST1
ISBTEST
99
98
7
6
5
4
3
XRST
XRST_ZDSD
SMUTE
XMSLAT
96
95
94
CDDATAI
LRCKI
BCKI
MDAT
LRCK
BCLK
MSCK
MSDATI
MSDATO
MSREADY
MCKI
30
FS64
28
DSAL
WAVRV
32
DSI1
D+5V
IC503 (2/2)
1
3
64
DSAR
34
DSI2
66
DSAC
36
DSI3
69
DSALFE
38
DSI4
71
DSALS
40
DSI5
74
DSARS
42
DSI6
76
DSAR
DSALS
DSARS
DSAC
DSASW
DSAL
DSAR
DSALS
DSARS
DSAC
DSASW
DSAL
56
58
60
62
64
66
CDDATAL
LRCKO
CDDATA
LRCK
92
90
61
59
FS128
SHRMUT
XZLAT
MSCK
MSDATI
MSDATO
SHRRDY
93
CDDATASL
CDDATASL
768FS
768FS
64FSI
81
A1
128FSI
11
88
MCKI
768FS
768FS
768FS
768FS
DSD DECODER
IC801
DSD
DIGITAL
SIGNAL
PROCESSOR
IC803
11
–
18
9
–
2
4
3
2
16
5
15
17
18
139
–
136
134
–
131
2 ,3 ,5 ,6
8 ,9 ,11 ,12
LEVEL
SHIFT
IC814
IC814
(Page 28)
(Page 28)
(Page 30)
(Page 30)
(Page 30)
(Page 28)
(Page 28)
(Page 30)
(Page 30)
(Page 31)
5-2.
BLOCK DIAGRAM – MAIN Section (1/2) –
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