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Model
ZS-M30
Pages
82
Size
10.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
zs-m30.pdf
Date

Sony ZS-M30 Service Manual ▷ View online

13
ZS-M30
SECTION 4
TEST MODE
Refer to “5. ELECTRICAL ADJUSTMENT” for the test mode of CD section.
4-1. MD SECTION
1. PRECAUTIONS FOR USE OF TEST MODE
• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is
stopped before setting and removing it.
Even if the  Z (MD EJECT)  button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc
will not stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the  Z (MD EJECT)  button after pressing the  NO/CANCEL  button and the rotation of disc is stopped.
1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• When pressing the  YES/ENTER  button.
4-2. SETTING THE TEST MODE
1. Set to standby state.
2. Press and hold the  YES/ENTER  button then press MD  u
  t    x   t  u  t   x    .
4-3. RELEASING THE TEST MODE
Remove the power cord to release the test mode.
4-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed with the following buttons: jogdial  . , >  ,  YES/ENTER  and  NO/CANSEL  .
The functions of these buttons are as follows.
JOG (  >  )
Proceeds the parameter/mode change.
JOG (  .  )
Returns to the parameter/mode change.
YES/ENTER
Goes ahead. Determines the setting/selection.
NO/CANCEL
Suspends.
Function name
 Function
14
ZS-M30
•When selecting test mode, usually the message “TEMP ADJUST” appears. In two rare cases, however, another message may be shown.
1. After conclusion of automatic temperature compensation (starting from display “TEMP = 00”), the message “Disc Insert” appears.
2. The message “Disc Insert” is displayed right form the start.
In both cases press the   YES/ENTER   button while holding the  EDIT   button, thus displaying “TEMP ADJUST” and entering
normal test mode.
In order to cause “TEMP ADJUST” to be displayed whenever test mode is selected, execute the following steps.
1.  Rotate the jog dial until “EEP MODE” is shown.
2. Press the   YES/ENTER   button to display “EEP READ”.
3. Press the   YES/ENTER   button to display “EEP XXXX”.
(The first two “X”-marks represent the address, the latter two the value).
4.  Rotate the jog dial to set the address to 15.
5. Press the   YES/ENTER   button while holding the   EDIT   button.
6. Confirm that the display shows “EEP15XX >XX”.
7. Rotate the jog dial to set the value after the “>”-mark to FF.
8. Press the   YES/ENTER   button.
9. Confirm that the display shows “Complete”.
10.After that, confirm that the display turns to “EEP READ”.
11.Press the   YES/ENTER   button.
12.Confirm that the display shows “EEP15FF”.
13.Press the   NO/CANCEL   button.
4-5. SELECTING THE TEST MODE
There are 9 types of test modes as shown below. The groups can be switched by turn the jog dial. After selecting the
group to be used, press the  YES/ENTER   button. After setting a certain group, turn the jog dial between these modes.
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
• If a different mode has been selected by mistake, press the  NO/CANCEL  button to release that mode.
• EEP MODE is not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the  NO/CANCEL
button to release the mode immediately. Be especially careful this mode will overwrite the non-volatile memory and reset it, and as a
result, the unit will not operate normally.
TEMP ADJUST
Temperature compensation offset adjustment
LDPWR ADJUST
Laser power adjustment
LDPWR CHECK
Laser power check
LOAD CHECK
load check
S CURVE CHECK
S curve check
EFBAL ADJUST
EF balance adjustment
FBIAS ADJUST
Focus bias adjustment
FBIAS CHECK
Focus bias check
CPLAY MODE
Continuous playback mode
CREC MODE
Continuous recording mode
DETRK CHECK
Detrack check
LOAD AGING
Load aging
EEP MODE
Non-volatile memory control
Display
Contents
15
ZS-M30
4-5-1. Operating the Continuous Playback Mode
1. Entering the continuous playback mode
 1  Set the disc in the unit. (Whichever recordable discs or discs for playback only are available)
 2 Potate the jog dial and display “CPLAY MODE”.
 3 Press the  YES/ENTER  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
 Press the  YES/ENTER  button during continuous playback to change the display as below.
CPLAY MID
CPLAY OUT
CPLAY IN
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
 Press the NO/CANCEL  button. The display will change to “CPLAY MODE”.
2
 Press the  Z  (MD) button and take out the disc.
Note: The playback start addresses for IN, MID, and OUT are as follows.
IN : 40h cluster
MID : 300h cluster
OUT: 700h cluster
4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check)
1. Entering the continuous recording mode
1
 Set a recordable disc in the unit.
2
 Rotate the jog dial and display “CRDE MODE”.
3
 Press the  YES/ENTER   button to change the display to “CREC MID”.
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
 When the  YES/ENTER  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
 Press the  NO/CANCEL  button. The display changes to “CREC MODE” and “REC ” goes off.
2
 Press the  Z  (MD) button and take out 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  NO/CANCEL  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.
4-5-3. Non-storage memory mode (EEP mode)
This is the mode to read write the contents of the non-volatile storage memory.
This mode is not used for servicing.
If you accidentally enter this mode, exit immediately by pressing the  NO/CANCEL  button.
CREC MID
CREC OUT
CREC IN
16
ZS-M30
SHUF
PGM
During continuous playback (CLV: ON)
Tracking servo OFF
STOP (CLV: OFF)
Tracking servo ON
Recording mode OFF
Display
Contents When Lit
          When Off
4-8.MEANINGS OF OTHER DISPLAYS
Contents
TOC EDIT
TRACK
TIMER
MONO
REC
Recording mode ON
ABCD adjustment completed
Pit
CLV-S
FCS/TRK/AUTO GAIN successful
Groove
CLV-A
FCS successful, TRK unsuccessful
4-7. TEST MODE DISPLAYS
Each time the  DISPLAY  button is pressed, the display changes in the following order.
1. Mode display
Displays “TEMP ADJUST”, “CPLAYMODE”, etc.
2. Error rate display
Displays the error rate in the following way.
C1 = 
 AD = 
C1 = Indicates the C1 error.
AD = Indicates ADER.
3. Address display
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
Press the REPEAT buttons at the same time to switches between the groove display
and pit display.
h = 
 s = 
 (MO pit and CD)
h = 
 a = 
 (MO groove)
h = Indicates the header 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 F = 
 T = 
5. IVR display (Not used in servicing)
The IVR is displayed as follows.
 ][ 
 ][ 
 ]
Function
Contents
REC/REC MODE
Sets continuous playback when pressed in the STOP state. When pressed during continuous
playback, the tracking servo turns ON/OFF.
4-6. FUNCTIONS OF OTHER BUTTONS
u  (MD)
x    (MD)
M
m
DISPLAY
Z    (MD)
When pressed during continuous playback, switches between recording start stop.
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 the displayed contents each time the button is pressed
Ejects the disc
Mode display
Error rate display
Address display
Auto gain display 
(Not used in servicing)
IVR display 
(Not used in servicing)
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Display

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