Sony MDS-EX77, Service Manual

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1-4. RETRY CAUSE DISPLAY MODE AT RECORD
Outline:
•
In this mode, a cause of retry at recording can be displayed.
Thus, it will help find out a faulty location of the set.
•
The contents displayed are data quantity stored in D-RAM, re-
try count, and retry cause. There are displayed with hexadeci-
mal numbers.
•
From the data quantity in D-RAM, whether data writing, read-
ing, storing, and ejection are executed smoothly can be con-
firmed. If data writing failed, data quantity will be extremely
small.
Operating Method:
1. With the power turned on, load a disc (use a disc for recording
of which contents may be erased).
2. Press the EDIT/NO button, and “ALL Erase?” is displayed.
3. Press the ENTER/YES button, and a message changes to
“ALL Erase??” and numbers in music calendar blink.
4. Press the ENTER/YES button, and “Complete” is displayed.
5. When “Complete” appears, immediately keep pressing the
p
button for about 10 seconds.
6. When “TOC” on display disappears, release the
p
button.
7. Press the r REC button to start recording.
8. Press the DISPLAY/CHARACTER button, and the display
will changes as follows:
SC Rt
Data quantity in
D-RAM is displayed
at all times. Retry cause is
displayed.
Retry count is displayed.
A numerical returns to 0 if retry
error occurred.
Note: These three kinds of displays are all made with hexadeci-
mal numbers.
9. Though Rt value increments each time retry is made, if an
error occurred, “Retry Error” is displayed and retry count re-
turns to 0.
10. To exit from this mode, turn off the TA-EX77 (pre/main am-
plifier) and after “TOC” display disappeared, disconnect the
power cord of TA-EX77 from the power outlet.
Using the jig, press the power switch (S408) on the MAIN
board in this set to turn off the power.