Sony MDS-JA333ES Service Manual ▷ View online
5
[ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS]
Details of History
Displays the total recording time.
When the total recording time is one minute or longer, displays the time and minute.
When the total recording time is less than one minute, displays “Under 1 min”.
When the total recording time is less than one minute, displays “Under 1 min”.
The displayed time is about 1/4 of the actual recording time when the laser is set to the high power state.
Displays the total playback time.
When the total playback time is one minute or longer, displays the time and minute.
When the total playback time is less than one minute, displays “Under 1 min”.
When the total playback time is less than one minute, displays “Under 1 min”.
Displays the total time when the spindle motor rotates.
When the total rotation time is one minute or longer, displays the time and minute.
When the total rotation time is less than one minute, displays “Under 1 min”.
When the total rotation time is less than one minute, displays “Under 1 min”.
Displays the total number of retries during recording and number of retry errors during playback.
Displayed as “r xx p yy”. “xx” indicates the number of retries during recording, “yy” indicates the number of retry
errors during playback.
The numbers are displayed in hexadecimal from 00 to FF.
Displayed as “r xx p yy”. “xx” indicates the number of retries during recording, “yy” indicates the number of retry
errors during playback.
The numbers are displayed in hexadecimal from 00 to FF.
Displays the total number of errors.
Displayed as “total xx”. The number is displayed in hexadecimal from 00 to FF.
Displayed as “total xx”. The number is displayed in hexadecimal from 00 to FF.
Displays the last ten errors.
Displayed as “0x ErrCd@@”.
“x” indicates the history number. A smaller number indicates a more recent error (00 is the latest). @@ indicates the
error code. The error history number is selected by turning the l AMS L knob.
Displayed as “0x ErrCd@@”.
“x” indicates the history number. A smaller number indicates a more recent error (00 is the latest). @@ indicates the
error code. The error history number is selected by turning the l AMS L knob.
Displays the last five retry addresses.
Displayed as “xx ADRS yyyy”. “xx” indicates the history number. “yyyy” indicates the cluster where the retry
occurred. The history number is selected by turning the l AMS L knob.
Displayed as “xx ADRS yyyy”. “xx” indicates the history number. “yyyy” indicates the cluster where the retry
occurred. The history number is selected by turning the l AMS L knob.
Mode which erases the error history and the retry address history
[Operation procedure]
1
1
When “er refresh” is displayed, press the l AMS L knob.
2
After the display changes to “er refresh?”, press the YES button.
The “Complete!” message indicates that the operation has ended.
After executing this mode, be sure to check the following:
• The data has been erased.
• The mechanism runs normally when recording and playback are performed.
• The mechanism runs normally when recording and playback are performed.
Mode which erases the total time of “op rec tm” and “op play tm”
These histories are used as a guideline for the time to replace the optical pick-up. After replacing the optical pick-up,
perform this operation to erase the history.
These histories are used as a guideline for the time to replace the optical pick-up. After replacing the optical pick-up,
perform this operation to erase the history.
[Operation procedure]
1
1
When “op change” is displayed, press the l AMS L knob.
2
After the display changes to “op change?”, press the YES button.
The “Complete!” message indicates that the operation has ended.
Mode which erases the total time of “spdl rp tm”
The history is used as a guideline for the time to replace the spindle motor. After replacing the spindle motor, perform
this operation to erase the history.
The history is used as a guideline for the time to replace the spindle motor. After replacing the spindle motor, perform
this operation to erase the history.
[Operation procedure]
1
1
When “spdl change” is displayed, press the l AMS L knob.
2
After the display changes to “spdl change?”, press the YES button.
The “Complete!” message indicates that the operation has ended.
Table of Error Codes
Display
op rec tm
op play tm
spdl rp tm
retry err
total err
err history
retry adrs
er refresh
op change
spdl change
Error Code
10
12
20
21
22
23
24
30
Details of Error
Loading error
The combination of loading switches is not acceptable.
Time out. The beginning of PTOC cannot be read.
Contents error. The beginning of PTOC can be read.
Time out. Access to UTOC failed.
Time out. UTOC cannot be read.
Contents error of UTOC
Playback start error
Error Code
31
40
41
42
43
50
51
Details of Error
There is an abnormality in the sector contents.
An error caused a retry during continuous recording.
Retry was executed due to DRAM overflow.
Retry was executed during TOC writing.
S.F Edit was aborted due to retry.
Address cannot be read although access processing is
not in progress.
Runaway due to focus NG
6
SECTION 1
SERVICING NOTE
1
Remove the 16 screws (BVTT3 x 8) from the bottom plate. (Refer to Section 3 “Disassembly” Loading panel.)
2
Remove the bottom plate.
3
Rotate the pully gear in the direction of the arrow A and open the tray in the direction of the arrow B.
4
When checking the laser power, remove beforehand the loading panel by removing the two screws (M2.6) and sliding aside the loading
panel becouse the cable of the laser power meter can be pinched by the loading panel. (Refer to Section 3 “Disassembly” Loading
panel.)
panel.)
Forced Reset
Use this function when the MDS-JA333ES cannot be operated normally due to hung-up of the microprocessor.
It is recommended to use this function when you cannot exit the test mode or the retry-cause-display mode, or when the normal operation
cannot be performed after the MDS-JA333ES is disassembled once then re-assembled.
It is recommended to use this function when you cannot exit the test mode or the retry-cause-display mode, or when the normal operation
cannot be performed after the MDS-JA333ES is disassembled once then re-assembled.
HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH IS TURNED OFF, AND LASER POWER CHECK
A
B
Pulley gear
Tray assembly
Two screws
(M2.6)
(M2.6)
Remove the Loading panel
To inspect the printed circuit boards, use the following jigs.
• Extension jig to inspect the DIG board
Jig for extension between DIG board CN801 and DA board CN501
Part code number: J-2501-075-A 1 pc
21 pins with 1 mm
Part code number: J-2501-075-A 1 pc
21 pins with 1 mm
Jig for extension between DIG board CN807 and FL board CN701
Part code number: J-2501-199-A 1 pc
21 pins with 1 mm
Part code number: J-2501-199-A 1 pc
21 pins with 1 mm
• Extension jig to inspect the AD board
Jig for extension between DIG board CN802 and AD board CN301
Part code number: J-2501-200-A 1 pc
11 pins with 1 mm
Part code number: J-2501-200-A 1 pc
11 pins with 1 mm
7
[BD Board Waveform Check Tool]
Use of the exclusive tool (J-2501-149-A) is convenient to check the waveforms on the BD board.
GND : Ground terminal
I+3V : For measuring IOP (Checking deterioration of the optical pick-up laser)
IOP
I+3V : For measuring IOP (Checking deterioration of the optical pick-up laser)
IOP
: For measuring IOP (Checking deterioration of the optical pick-up laser)
TEO : TRK error signal (traverse adjustment)
VC
VC
: Reference level for when checking signals
RF
: RF signal (jitter check)
RF
VC
TEO
IOP
I+3V
GND
5pin connector
CN110
6pin connector
Schematic diagram of the connecting tools
To MDM-5
To MDM-6
To MDM-6
RF
VC
TEO
VC
TEO
To MDM-3
IOP
I-3V
I-3V
VC
RF
TEO
IOP
I+3V
GND
RF
TEO
IOP
I+3V
GND
VC
RF
TEO
IOP
I+3V
GND
1
5
1
6
8
[How to Record and Display the IOP Data When Replacing the Optical Pick-up and Non-volatile Memory
(BD Board IC171)]
(BD Board IC171)]
The IOP data that is indicated on the optical pick-up, can be saved in the non-volatile memory of the MDS-JA333ES. Saving the IOP data in
the memory eliminates the needs to look at the printed value on the label that is attached on the surface of optical pick-up, and enables to view
the IOP data on display. When the optical pick-up is replaced or when the non-volatile memory (IC171 on BD board) is replaced, save the
IOP value that is printed on the label on the surface of optical pick-up by the following procedure.
the memory eliminates the needs to look at the printed value on the label that is attached on the surface of optical pick-up, and enables to view
the IOP data on display. When the optical pick-up is replaced or when the non-volatile memory (IC171 on BD board) is replaced, save the
IOP value that is printed on the label on the surface of optical pick-up by the following procedure.
How to Record the IOP Data:
1. While pressing the lAMSL knob and the x button at the same time, connect the AC power plug to the wall outlet, then remove
your hands from the lAMSL knob and x button at the same time. When the MDS-JA333ES enters the test mode, the message
“[Check]” appears.
“[Check]” appears.
2. Rotate the lAMSL knob until the message “Service” appears. Then press the YES button.
3. Rotate the lAMSL knob until the message “Iop Write” (C05) appears. Then press the YES button.
4. “Ref=@@@.@” (@ is arbitrary number) appears and the values that can be changed as desired flash.
5. Input the IOP value that is printed on the optical pick-up.
3. Rotate the lAMSL knob until the message “Iop Write” (C05) appears. Then press the YES button.
4. “Ref=@@@.@” (@ is arbitrary number) appears and the values that can be changed as desired flash.
5. Input the IOP value that is printed on the optical pick-up.
Selection of alphanumeric characters : Rotate the lAMSL knob.
Selection of digit
Selection of digit
: Press the lAMSL knob.
6. Press the YES button. Then display changes to “Measu= @@@.@” (@ is arbitrary number).
7. The value that is shown step 6, is the result adjustment and should not be saved. So leave the value of step 6 as it is, and press the YES
7. The value that is shown step 6, is the result adjustment and should not be saved. So leave the value of step 6 as it is, and press the YES
button.
8. The message “Complete!” appears for a moment, and the value is saved in the non-volatile memory. The message “Iop Write” (C05)
appears.
9. Upon completion of data saving, press the REPEAT button.
How to Display the IOP Data:
1. While pressing the lAMSL knob and the x button at the same time, connect the AC power plug to the wall outlet, then remove
your hands from the lAMSL knob and x button at the same time. When the MDS-JA333ES enters the test mode, the message
“[Check]” appears.
“[Check]” appears.
2. Rotate the lAMSL knob until the message “Service” appears. Then press the YES button.
3. Rotate the lAMSL knob until the message “Iop Write” (C05) appears. Then press the YES button.
4. The message “@@.@/##.#” appears. The contents that are saved in the non-volatile memory appear.
3. Rotate the lAMSL knob until the message “Iop Write” (C05) appears. Then press the YES button.
4. The message “@@.@/##.#” appears. The contents that are saved in the non-volatile memory appear.
@@.@
: The IOP value that is printed on optical pick-up
##.#
: The IOP value after adjustment
5. To exit the data display, press the lAMSL knob or the MENU/NO button to show the message “Iop Read” (C26). Then press
the REPEAT button.
Click on the first or last page to see other MDS-JA333ES service manuals if exist.