Sony HCD-M700 Service Manual ▷ View online
8
HCD-M700
Items of Error History Mode Items and Contents
Selecting the Test Mode
Display
op rec tm
op play tm
spdl rp tm
retry err
total err
err history
retry adrs
er refresh
op change
spdl change
History
Displays the accumulated recording time.
When the accumulated recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time indicates the time when the laser is set to high power more, which is about 1/4 of the actual
recording time.
When the accumulated recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time indicates the time when the laser is set to high power more, which is about 1/4 of the actual
recording time.
Displays the accumulated playback time.
When the accumulated playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
When the accumulated playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
Displays the accumulated rotating time of the spindle motor.
When the accumulated rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
When the accumulated rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
Displays the accumulated number of retry errors during recording and playback
Displays “r
Displays “r
p
”.
is the number of errors during recording.
is the number of errors during playback.
This is displayed in hexadecimal from 00 to FF.
Displays the total number of errors
Displays “total
Displays “total
”. This is displayed in hexadecimal from 00 to FF.
Displays the past ten errors.
Displays “0x ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the
error code.
Select the error history number by pressing the MD
Displays “0x ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the
error code.
Select the error history number by pressing the MD
.
“R” or MD
>
“R” button.
Displays the past five retry addresses.
Displays “
Displays “
ADRS
”,
is the history number,
is the cluster with the retry error.
Select the error history number by pressing the MD
.
“R” or MD
>
“R” button.
Mode for erasing the error and retry address histories
Procedure
1. Press the REC MODE button when displayed as “er refresh”.
2. When the display changes to “er refresh?”, press the ENTER/YES “R” button
When “Complete!!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
Procedure
1. Press the REC MODE button when displayed as “er refresh”.
2. When the display changes to “er refresh?”, press the ENTER/YES “R” button
When “Complete!!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
Mode for erasing the accumulated time of op rec tm, op play tm.
Use these histories as a guide line for the time of replacement of the optical pick-up. If the optical pick-up
has been replaced, perform this procedure and erase the past history.
Procedure
1. Press the REC MODE button when displayed as “op change”.
2. When the display changes to “op change?”, press the ENTER/YES “R” button.
When “Complete!!” is displayed, it means erasure has completed.
Use these histories as a guide line for the time of replacement of the optical pick-up. If the optical pick-up
has been replaced, perform this procedure and erase the past history.
Procedure
1. Press the REC MODE button when displayed as “op change”.
2. When the display changes to “op change?”, press the ENTER/YES “R” button.
When “Complete!!” is displayed, it means erasure has completed.
Mode for erasing the accumulated spdl rp tm time
Use these histories as the guide line for the time of replacement of the spindle motor. If the spindle motor has
been replaced, perform this procedure and erase the past history.
Procedure
1. Press the REC MODE button when displayed as “spdl change”
2. When the display changes to “spdl change?”, press the ENTER/YES “R” button.
When “Complete!!” is displayed, it means erasure has completed.
Use these histories as the guide line for the time of replacement of the spindle motor. If the spindle motor has
been replaced, perform this procedure and erase the past history.
Procedure
1. Press the REC MODE button when displayed as “spdl change”
2. When the display changes to “spdl change?”, press the ENTER/YES “R” button.
When “Complete!!” is displayed, it means erasure has completed.
9
HCD-M700
Table of Error Codes
Error Code
Description
10
11
12
20
21
22
23
24
30
31
40
41
42
43
50
51
Could not perform loading
The changer error occurred
Loading switches combined incorrectly
Timed out without reading the top of PTOC
Could read top of PTOC, but detected error
Timed out without accessing UTOC
Timed out without reading UTOC
Error in UTOC
Could not start playback
Error in sector
A cause of retry occurred during normal recording
Retried due to DRAM overflow
Retry occurred during TOC writing
Retry aborted during S.F editing
Other than access processing, and could not read address.
Focus NG occurred and overran.
10
HCD-M700
Jig For Checking BD Board Waveform
The special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be
performed are shown as follows.
performed are shown as follows.
GND : Ground
I+3V : For measuring Iop (Check the deterioration of the optical pick-up laser)
Iop
I+3V : For measuring Iop (Check the deterioration of the optical pick-up laser)
Iop
: For measuring Iop (Check the deterioration of the optical pick-up laser)
TE
: TRK error signal (Traverse adjustment)
VC
: Reference level for checking the signal
RF
: RF signal (Check jitter)
FE
: Focus error signal
I+3V
Iop
TE
VC
GND
FE
RF
CN105
I+3V
Iop
GND
TE
FE
VC
RF
Iop
GND
TE
FE
VC
RF
I+3V
Iop
GND
TE
FE
VC
RF
Iop
GND
TE
FE
VC
RF
1
7
for MDM-7B4M
SECTION 1
SERVICING NOTE
11
HCD-M700
Jig For Checking DVD Board and DIGITAL Board Waveform
The special jig (J-2501-196-A) is useful for checking the waveform of the DVD board and DIGITAL board.
• Extention cable (10P)
(J-2501-219-A)
• Extention cable (27P)
(J-2501-220-A)
jig (10P)
(J-2501-219-A)
(J-2501-219-A)
jig (27P)
(J-2501-220-A)
(J-2501-220-A)
CN607
CN608
CN705
DVD board
CONTROL board
CN101
DIGITAL board
• DISC TRAY LOCK
If the disc tray does not open and the message “LOCKED” appears,
press the two buttons of ENTER/START and Z DVD at the same
for 5 seconds or longer.
Then the lock is released, the message “UNLOCKED” appears for
2 seconds and the disc tray opens.
press the two buttons of ENTER/START and Z DVD at the same
for 5 seconds or longer.
Then the lock is released, the message “UNLOCKED” appears for
2 seconds and the disc tray opens.
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