Sony MDS-M100 Service Manual ▷ View online
– 17 –
Mark
(X)
(X)
(X)
(X) (!)
(X)
(X)
(X)
(X)
(X)
(X)
(X)
(X)
5. SELECTING THE TEST MODE
There are 31 types of test modes as shown below. The groups can be switched by turn the
=
AMS
+ knob. After selecting the group
to be used, press the
[YES]
button. After setting a certain group, turn the
=
AMS
+ knob switches between these modes.
Refer to “Group” in the table for details selected.
All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.
All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.
Display
TEMP CHECK
LDPWR CHECK
EF MO CHECK
EF CD CHECK
FBIAS CHECK
ScurveCHECK
VERIFYMODE
DETRK CHECK
TEMP ADJUST
LDPWR ADJUST
EF MO ADJUST
EF CD ADJUST
FBIAS ADJUST
EEP MODE
Impossible
Impossible
ERR DP MODE
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
ADJ CLEAR
AG Set (MO)
AG Set (CD)
Iop Read
Iop Write
S40 ******
CPLAY MODE
CREC MODE
Contents
Temperature compensation offset check
Laser power check
Traverse (MO) check
Traverse (CD) check
Focus bias check
S letter check
Non-volatile memory check
Detrack check
Temperature compensation offset adjustment
Laser power adjustment
Traverse (MO) adjustment
Traverse (CD) adjustment
Focus bias adjustment
Non-volatile memory control
Command transmission
Status display
Error history display, clear
Sled check
Access check
Outermost circumference check
Head position check
Same functions as CPLAY MODE
Same functions as CREC MODE
Initialization of non-volatile memory of adjustment value
Auto gain output level adjustment (MO)
Auto gain output level adjustment (CD)
IOP data display
IOP data write
Microprocessing version display
Continuous play mode
Continuous recording mode
No.
C01
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
Group (
*
)
C
S
C
S
C
S
C
S
C
S
C
C
C
A
S
A
S
A
S
A
S
A
S
D
D
D
S
D
D
D
D
D
D
A
S
A
S
A
S
C
S
A
S
C
S
C
A
S
D
C
A
S
D
Group (
*
)
C: Check
S: Service
S: Service
A: Adjust
D: Develop
D: Develop
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
For details of “ERR DP MODE”, refer to “Self-Diagnosis Function” on page 2.
• If a different mode has been selected by mistake, press the
[MENU/NO]
button to exit that mode.
• Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-
tally, press the
[MENU/NO]
button to exit the mode immediately. Be especially careful not to set the modes with (!) as they will
overwrite the non-volatile memory and reset it, and as a result, the unit will not operate normally.
– 18 –
“CPLAY MID”
n “CPLAY OUT” n “CPLAY IN”
§
“CREC MID”
n “CREC OUT” n “CREC IN”
§
5-1. Operating the Continuous Playback Mode
1. Entering the continuous playback mode
(1)
(1)
Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.)
(2)
Turn the
=
AMS
+ knob and display “CPLAY MODE” (C30).
(3)
Press the
[YES]
button to change the display to “CPLAY MID”.
(4)
When access completes, the display changes to “C1 =
AD =
”.
Note:
The numbers “ ” displayed show you error rates and ADER.
2. Changing the parts to be played back
(1)
(1)
Press the
[YES]
button during continuous playback to change the display as below.
When pressed another time, the parts to be played back can be moved.
(2)
When access completes, the display changes to “C1 =
AD =
”.
Note:
The numbers “ ” displayed show you error rates and ADER.
3. Ending the continuous playback mode
(1)
(1)
Press the
[MENU/NO]
button. The display will change to “CPLAY MODE”.
(2)
Press the
[ EJECT]
button to remove the disc.
Note:
The playback start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID
300h cluster
OUT
700h cluster
5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check.)
1. Entering the continuous recording mode
(1)
(1)
Set a recordable disc in the unit.
(2)
Turn the
=
AMS
+ knob and display “CREC MODE”.
(3)
Press the
[YES]
button to change the display to “CREC MID” (C31).
(4)
When access completes, the display changes to “CREC (
” and
REC
lights up.
Note:
The numbers “ ” displayed shows you the recording position addresses.
2. Changing the parts to be recorded
(1)
(1)
When the
[YES]
button is pressed during continuous recording, the display changes as below.
When pressed another time, the parts to be recorded can be changed.
REC
goes off.
(2)
When access completes, the display changes to “CREC (
” and
REC
lights up.
Note:
The numbers “ ” displayed shows you the recording position addresses.
3. Ending the continuous recording mode
(1)
(1)
Press the
[MENU/NO]
button. The display changes to “CREC MODE” and
REC
goes off.
(2)
Press the
[ EJECT]
button to remove the disc.
Note 1:
The recording start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID
300h cluster
OUT
700h cluster
Note 2:
The
[MENU/NO]
button can be used to stop recording anytime.
Note 3:
Do not perform continuous recording for long periods of time above 5 minutes.
Note 4:
During continuous recording, be careful not to apply vibration.
5-3. Non-Volatile Memory Mode (EEP MODE)
This mode reads and writes the contents of the non-volatile memory.
It is not used in servicing. If set accidentally, press the
It is not used in servicing. If set accidentally, press the
[MENU/NO]
button immediately to exit it.
– 19 –
6. FUNCTIONS OF OTHER BUTTONS
7. TEST MODE DISPLAYS
Each time the
[DISPLAY/CHAR]
button is pressed, the display changes in the following order.
1. Mode display
Displays “TEMP ADJUST”, “CPLAYMODE”, etc.
Displays “TEMP ADJUST”, “CPLAYMODE”, etc.
2. Error rate display
Displays the error rate in the following way.
Displays the error rate in the following way.
C1 =
ππππ AD = ππ
C1 = Indicates the C1 error.
AD = Indicates ADER.
AD = Indicates ADER.
3. Address display
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
Pressing the
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
Pressing the
[SCROLL/CLOCK SET]
button switches between the group display and bit display.
h =
ππππ s = ππππ (MO pit and CD)
h =
ππππ a = ππππ (MO groove)
h = Indicates the header address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.
Note:
“–” is displayed when servo is not imposed.
4. Auto gain display (Not used in servicing)
The auto gain is displayed as follows.
AG =
The auto gain is displayed as follows.
AG =
ππ/ππ[ππ]
5. Detrack check display (Not used in servicing)
The detrack is displayed as follows.
ADR =
The detrack is displayed as follows.
ADR =
πππππππ
6. IVR display (Not used in servicing)
The IVR is displayed as follows.
[
The IVR is displayed as follows.
[
ππ][ππ][ππ
Contents
Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo
turns ON/OFF.
turns ON/OFF.
Stops continuous playback and continuous recording.
The sled moves to the outer circumference only when this is pressed.
The sled moves to the inner circumference only when this is pressed.
Switches between the pit and groove modes when pressed.
Switches the spindle servo mode (CLVS
˜ CLV A).
Switches the displayed contents each time the button is pressed
Ejects the disc
Exits the test mode
Function
·
p
)
0
SCROLL
)
0
SCROLL
PLAY MODE
LEVEL/DISPLAY/CHAR
EJECT
§
REPEAT
Mode display
Error rate display
Address display
Auto gain display
(Not used in servicing)
Detrack check display
(Not used in servicing)
IVR display
(Not used in servicing)
– 20 –
(
P
P
REC
SYNC
L.SYNC
OVER
B
A-
TRACK
DISC
SLEEP
MONO
When Off
Contents
Display
When Lit
During continuous playback (CLV: ON)
Tracking servo OFF
Recording mode ON
CLV low speed mode
ABCD adjustment completed
Tracking offset cancel ON
Tracking auto gain OK
Focus auto gain OK
Pit
High reflection
CLV-S
CLV LOCK
STOP (CLV: OFF)
Tracking servo ON
Recording mode OFF
CLV normal mode
Tracking offset cancel OFF
Groove
Low reflection
CLV-A
CLV UNLOCK
MEANINGS OF OTHER DISPLAYS
Click on the first or last page to see other MDS-M100 service manuals if exist.