Sony SCD-CE775 Service Manual ▷ View online
25
SCD-CE775
5-5. CDM59 AND THE DOOR CHECK
Measurement of table rotation hours, tray open/close hours and
panel door open close hours can be executed together with CDM59.
panel door open close hours can be executed together with CDM59.
Procedure
1. Enter the TEST mode. Turn the
1. Enter the TEST mode. Turn the
[ AMS ]
dial and select
59 Table Init. Press
[ AMS ]
once (that enables the
[ OPEN/CLOSE]
key.)
2. When the message INITIAL OK appears, press the
[ OPEN/
CLOSE]
key to eject the tray. Place a disc in the DISC1 of the
table. (Be sure to place a disc in DISC1. If a disc is placed in
any locations other than DISC1, the correct measurement can-
not be executed. Therefore, be sure to place a disc in DISC by
using the
any locations other than DISC1, the correct measurement can-
not be executed. Therefore, be sure to place a disc in DISC by
using the
[DISC SKIP]
key.)
3. Select 58 CDM Check by turning
[ AMS ]
and press
[ AMS ]
once.
4. Measurement starts automatically.
5. When the measurement is completed, the message DOOR OP
5. When the measurement is completed, the message DOOR OP
ss.s (s is a decimal number) appears on the FL display.
6. Result of measurement can be check by turning
[ AMS ]
.
If any measurement item does not meet specification, a mes-
sage “ng” is displayed next to the measurement value.
sage “ng” is displayed next to the measurement value.
7. When you want to repeat the test, press
[ AMS ]
again.
8. Press the
[ OPEN/CLOSE]
key to terminate the test and re-
move the disc.
* 1.The measurement can be performed without placing a disc.
* 1.The measurement can be performed without placing a disc.
However, the BU chucking time and unchucking time will
be slightly different from the actual values.
be slightly different from the actual values.
* 2.When the machine enters this mode once, it cannot return
to the normal test mode. If any other tests are desired, turn
off the main power once and then back on again to enter
the test mode.
off the main power once and then back on again to enter
the test mode.
Measurement items and specifications
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Measurement item
Description
Specifications (unit: second)
RL
Time required for the table to make one complete rotation.
6.0 to 7.5
(R: Clockwise rotation. L: Counter-clockwise rotation)
CLOSE
Time required to close the tray.
<2.3
BU UP
Time required for the BU block to perform chucking from the DOWN position
<1.3
EXOPEN
The XCHANGE OPEN time
<2.5
EXCLOSE
The EXCHANGE CLOSE time
<2.8
BU DOWN
Time required for the BU block to perform unchucking and going to the DOWN
<0.9
position
OPEN
Time required to open the tray
<2.4
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A
A
A
26
SCD-CE775
5-6 . AGING MODE
(• Perform as necessary)
5-6-1. The aging can be performed to the set in the test
mode.
The aging can be continued by the set number of times or until an
error occurs.
In the aging, the following operations are repeated.
Table turntDisc chuckingtDisc detecttServo ontAuto
adjustmenttTOC readingtPlay of first track for 5 secondtPlay
of last track for 5 secondtPlay of first track for 5 secondtDisc
unchucking
error occurs.
In the aging, the following operations are repeated.
Table turntDisc chuckingtDisc detecttServo ontAuto
adjustmenttTOC readingtPlay of first track for 5 secondtPlay
of last track for 5 secondtPlay of first track for 5 secondtDisc
unchucking
Setting Method:
1. After setting the test mode, rotate the
1. After setting the test mode, rotate the
[ AMS ]
dial to
select “94. SET AGING” and press the
[ AMS ]
dial
to enter.
2. When “AGING TIMES” is displayed, rotate the
[ AMS ]
dial to set the number of aging times. (For the number of times,
every 10 times can be set. Setting 0 (zero) eliminates the count
limitation where the aging is repeated until an error occurs)
every 10 times can be set. Setting 0 (zero) eliminates the count
limitation where the aging is repeated until an error occurs)
Note:
Do not perform unmanned overnight aging..
3. Press the
[ AMS ]
dial, and “AGING START” will be
displayed instantaneously, then “DISC IN & JOG ON” will be
displayed and the tray will come out automatically.
displayed and the tray will come out automatically.
4. Place a disc (CD or the SACD SL disc) on the tray. In the case
of SCD-CE775, the multiple discs can be placed. Even when
the discs (CD or the SACD SL disc) of different types are
mixed, the aging test can be performed. Use the
the discs (CD or the SACD SL disc) of different types are
mixed, the aging test can be performed. Use the
[DISC SKIP]
key when placing a disc. When discs are placed in positions,
turn the
turn the
[ AMS ]
dial.
5. The aging test starts.
6. At the completion of aging by the set number of times, the
6. At the completion of aging by the set number of times, the
tray will come out automatically and the check will stop.
Typical time required for aging About 1 hour/100 times
“AGING SUCCESS!” will be displayed if no error occurred
in the aging, or the error will be displayed if an error occurred.
(Refer to the following error list)
Typical time required for aging About 1 hour/100 times
“AGING SUCCESS!” will be displayed if no error occurred
in the aging, or the error will be displayed if an error occurred.
(Refer to the following error list)
5-6-2. Aging Mode of the Panel Door Independently
1. Start up the unit in the normal operation mode.
2. While press the
2. While press the
[STOP]
key, turn the
[ AMS ]
dial and
then press the
[CONTINUE]
key. (The program does not ad-
vance if these keys are not pressed in the above sequence.)
3. The panel door repeats opening and closing.
4. The messages “AP-B 000000” (during open) t “AP-C
4. The messages “AP-B 000000” (during open) t “AP-C
000000” (during close) are repeated on the FL display. Num-
ber of times of open/close are displayed in decimal number in
“000000” with OPEN/CLOSE as a set.
ber of times of open/close are displayed in decimal number in
“000000” with OPEN/CLOSE as a set.
5. Press the
[STOP]
key to terminate the aging mode and to re-
turn to the normal mode.
5-7. SHIPPING MODE
The repaired set must be initialized, and for this purpose the set
should be set to the shipping mode.
should be set to the shipping mode.
Setting Method:
1. After setting the test mode, rotate the
1. After setting the test mode, rotate the
[ AMS ]
dial to
select “8d Set Up Init” and press the
[ AMS ]
dial to
enter.
2. “8D 000000000 00” will be displayed, and if the scroll starts
in the left direction, the set initialization has completed
3. Press the
[POWER]
button to turn the power off.
Note:
Take care not to leave the test disc in the set.
The following setups are established in the SHIPPING MODE
1. Initialization of EEPROM (IC903)
• PLAY MODE
ALL DISCS, CONTINUE
• COMMAND MODE
CD1
• LAYER SELECTSACD
• M/2CH SELECT MULTI
• DIGITAL FILTER
• M/2CH SELECT MULTI
• DIGITAL FILTER
STD
• 2ch SPK MODE 2ch DIRECT
• Mch SPK MODEMch DIRECT
• Resetting the accumulated hours meter.
• Mch SPK MODEMch DIRECT
• Resetting the accumulated hours meter.
2. Chucking at the DISC1 position.
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Error List
An error occurring during the check in the aging mode of the test mode is displayed automatically (scroll display) immediately when the
error occurred.
error occurred.
< How to view the error history >
1. Select “95 DISP ERROR” with the
1. Select “95 DISP ERROR” with the
[ AMS ]
key, and press the
[ AMS ]
key once.
2. The error that has occurred lastly in the set and the signal status (H = 1, L = 0) at that time are displayed on the FL display by scrolling.
(Types of the errors and the signal status that can be checked, are the same as the error display of the aging mode.)
3. Press the
[ AMS ]
key once again to show the error history repeatedly.
4. When the error history is displayed with scrolling once, the mode returns to the normal test mode.
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27
SCD-CE775
Display Items List:
Display items
Description
Remarks
Error name
tRefer to the error display list
IN SW
Sled in switch state when an error occurred
0: switch off Not limit in
1: switch on Limit in (Optical pick-up is at most inward track)
0: switch off Not limit in
1: switch on Limit in (Optical pick-up is at most inward track)
FOK
FOK signal state when an error occurred
FOK signal Is focus on?
0: FOK L (Focus off), 1: FOK H (Focus on)
FOK signal Is focus on?
0: FOK L (Focus off), 1: FOK H (Focus on)
LOCK
LOCK signal state when an error occurred.
LOCK signal Is PLL lock?
0: LOCK L Not lock, 1: LOCK H Lock
LOCK signal Is PLL lock?
0: LOCK L Not lock, 1: LOCK H Lock
From
Displayed if effective in the error item
Disc PSN (relative address) is
tRefer to the error display list
displayed in case of access error
To
Displayed if effective in the error item
Disc PSN (relative address) is
tRefer to the error display list
displayed in case of access error
Error Display List:
Error display
Error description
Main causes of errors
DISC DETECT ERROR
Disc type error
Optical pick-up, RF amplifier or CD
MIRR measured time is displayed in From:
DSP IC is faulty
OFFSET ADJUST ERROR
Offset adjustment error
Optical pick-up, RF amplifier or CD
DSP IC is faulty
DSP IC is faulty
FCS SRV ON ERROR
Focus servo error
From:1 means focus search failed
An error code is displayed in From:
From:2 means defocusing
CLV SRV ON ERROR
CLV servo error
Defocusing
E-F BALANCE ERROR
E-F balance adjustment error
Defocusing
TRK SRV ON ERROR
Tracking servo error
Tracking servo on time out
Optical pick-up, RF amplifier or CD
DSP IC is faulty
Optical pick-up, RF amplifier or CD
DSP IC is faulty
SLD SRV ON ERROR
Sled servo error
Sled servo on time out
FOCUS BIAS ERROR
Focus bias adjustment failed
Defocusing during adjustment
An error code is displayed in From:
Description of display
An error code is displayed in From
From:1 means retry failed 3 times
From:2 means abnormal value
Optical pick-up, RF amplifier or CD
DSP IC is faulty
An error code is displayed in From
From:1 means retry failed 3 times
From:2 means abnormal value
Optical pick-up, RF amplifier or CD
DSP IC is faulty
FCS AGC ERROR
Error at focus gain automatic adjustment
Defocusing during adjustment
Optical pick-up, RF amplifier or CD
DSP IC is faulty
Optical pick-up, RF amplifier or CD
DSP IC is faulty
TRK AGC ERROR
Error at tracking gain automatic adjustment
Defocusing during adjustment
Optical pick-up, RF amplifier or CD
DSP IC is faulty
Optical pick-up, RF amplifier or CD
DSP IC is faulty
ACCESS 1TJ ERROR
Access Error at one-track jump
Access failed
Effective addresses (PSN) are displayed in From: and To:
Defocusing at access, etc
ACCESS FINE ERROR
Access Error at fine search
Access failed
Effective addresses (PSN) are displayed in From: and To:
Defocusing at access, etc
ACCESS MOVE ERROR
Access Error at M-track MOVE
Access failed
Effective addresses (PSN) are displayed in From: and To:
Defocusing at access, etc
WHILE PLAYING ERROR
Error during disc playing
Defocusing
Focusing retry failed
Focusing retry failed
FCS JUMP ERROR
Time out error at focus jump
Defocusing
Focusing retry failed
Focusing retry failed
System errors are as follows.
Note:
This error is not saved in the set.
Display
Description
Toc Error *
Error during the time from auto adjustment to TOC reading, Different type of disc (Such as a DVD disc), Disc is dirty
Toc Error ****
Illegal SACD (Such as a pirated version)
Read Error
Music data read error (Error during disc playing)
Error display is as follows.
Error name, Disc type, IN SW (Sled in switch state), FOK (FOK signal state), LOCK (LOCK signal state), From (Displayed if effective),
To (Displayed if effective), Aging times (Displayed in aging mode only)
Display example
ACCESS MOVE ERROR : SACDSL : IN SW 1 FOK 0 LOCK 0 : FROM 205663 : TO 2461601 : TIMES 5
(Error name) (Disc type) (Sled in switch, FOK, LOCK signal state) (Relative address) (Relative address)(Aging times)
Error name, Disc type, IN SW (Sled in switch state), FOK (FOK signal state), LOCK (LOCK signal state), From (Displayed if effective),
To (Displayed if effective), Aging times (Displayed in aging mode only)
Display example
ACCESS MOVE ERROR : SACDSL : IN SW 1 FOK 0 LOCK 0 : FROM 205663 : TO 2461601 : TIMES 5
(Error name) (Disc type) (Sled in switch, FOK, LOCK signal state) (Relative address) (Relative address)(Aging times)
28
SCD-CE775
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
0.6 to 1.6 Vp-p
SATD-S4
PATD-012 or
0.5 to 1.3 Vp-p
- 0.1 to +0.1V
YEDS-18
Checking and Connecting Location : See page 29.
5-8. 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, 5-1.
IC AND FLUORESCENT DISPLAY TUBE CHECK and 5-2.
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, 5-1.
IC AND FLUORESCENT DISPLAY TUBE CHECK and 5-2.
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 waveformt
traverse waveformtRF waveform.
traverse waveformtRF 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-CURVE MODE” will
be displayed.
be 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 29.
MAIN board
TP506 (FE)
TP504 (AVC)
+
–
–
oscilloscope
A
B
S curve waveform
VC
MAIN board
TP513 (TE)
TP504 (AVC)
+
–
–
oscilloscope
A
B
VC
Center fo the waveform
Traverse waveform
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