Sony MDS-B5, Service Manual

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During continuous playback
Tracking servo OFF
Recording mode ON
CLV LOCK
Pit
High reflection
CLV-S
ABCD adjustment completed
STOP
Tracking servo ON
Recording mode OFF
CLV UNLOCK
Groove
Low reflection
CLV-A
Display
Contents
Light Off Blinking
^
LED
e
LED
REC
r
LED
SYNC
TRACK
DISC
SPEED
A. PAUSE
REPEAT 1
Focus auto gain successful
Tracking auto gain failed Focus auto gain successful
Tracking auto gain failed
3-8. Precautions for Use of Test Mode
1
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 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.
Always press the EDIT/NO button first before pressing the EJECT button.
2
The erasing-protection tab is not detected in the test mode. Therefore, when modes which output the recording laser power such as continu-
ous recording mode and traverse adjustment mode, etc. are set, the recorded contents will be erased regardless of the position of the tab.
When using a disc that is not to be erased in the test mode, be careful not to enter the continuous recording mode and traverse adjustment
mode.
3
Most buttons can not be used while the error rate is displayed due to bugs of IC121 CXD2535CR.
3-6. Test Mode Displays
Each time the DISPLAY button is pressed, the display changes in the following order.
MODE display
n
Error rate display
n
Address display
1. MODE display
Displays “TEMP ADJUST”, “CPLAY MODE”, etc.
2. Error rate display
Error rates are displayed as follows.
C1 =
AD =
C1 = : Indicates C1 error
AD = : Indicates ADER
3. Address display
Addresses are displayed as follows.
h =
s = (MO pit and CD)
h = a = (MO groove)
h = : Header address
s = : SUBQ address
a = : ADIP address
* is displayed when the address cannot be read.
3-7. Meanings of Other Displays