Sony MDS-W1 Service Manual page 9

RETRY CAUSE DISPLAY MODE
• In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the
"track mode" for obtaining track information will be set.
This is useful for locating the faulty part of the unit.
• The following will be displayed :
During recording and stop : Retry cause, number of retries, and number of retry errors.
During playback
These are displayed in hexadecimal.
For buttons or knobs not specified as (Deck A) or (Deck B) in the procedure, use that of the corresponding deck.
Precedure:
1. Load recordable discs (the contents will be erased) in both decks.
2. With the STOP state, press the DISPLAY button while pressing the p (Deck A) and MENU/NO (Deck A) buttons together.
3. Press the r REC button to start recording. Then press the P button and start recording.
4. To check the "track mode", press the · button to start play.
5. To exit the test mode, press the DISPLAY button on the STOP state.
If the test mode cannot be exited, refer to "Forced Reset" on page 8.
Note: Rotating the AMS knob during STOP will display as shown in Fig. 3. This is however not used in servicing.
Fig. 1 Reading the Test Mode Display
(During recording and stop)
Fluorescent display tube display
@@ : Cause of retry
## : Number of retries
** : Number of retry errors
Fig. 3. (This display is not used in servicing.)
@@/@@/@@
maker : @@
model : @@
Fluorescent display tube display
@@ : Any number
: Information such as type of disc played, part played, copyright.
Fig. 2 Reading the Test Mode Display
(During playback)
Fluorescent display tube display
@@ : Parts No. (name of area named on TOC)
## : Cluster
} Address (Physical address on disc)
** : Sector
$$ : Track mode (Track information such as copyright
information of each part)
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