Sony MDS-JB930 Service Manual page 20

6. FUNCTIONS OF OTHER BUTTONS
Function
Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo
·
turns ON/OFF.
p
Stops continuous playback and continuous recording.
)
The sled moves to the outer circumference only when this is pressed.
0
The sled moves to the inner circumference only when this is pressed.
SCROLL Switches between the pit and groove modes when pressed.
Switches the spindle servo mode (CLV-S ˜ CLV-A).
PLAY MODE
DISPLAY/CHAR Switches the displayed contents each time the button is pressed
EJECT §
Ejects the disc
FILTER Releases the test mode
7. TEST MODE DISPLAYS
[DISPLAY/CHAR]
Each time the
1. Mode display
Displays "TEMP ADJUS", "CPLAYMODE", etc.
2. Error rate display
Displays the error rate in the following way.
C = ππππ AD = ππ
C = Indicates the C1 error.
AD = Indicates ADER.
3. Address display
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
[SCROLL]
Press the button to switches between the groove display and pit 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.
Note: "–" is displayed when servo is not imposed.
4. Auto gain display (Not used in servicing)
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 = πππππππ
6. IVR display (Not used in servicing)
The IVR is displayed as follows.
[ππ][ππ][ππ
20
button is pressed, the display changes in the following order.
Contents
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)