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14
RETRY CAUSE DISPLAY MODE IN MD
• In this test mode, the causes for retry of the unit during recording can be displayed on the liquid crystal display. 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
: Information such as type of disc played, part played, copyright.
These are displayed in hexadecimal.
Precedure:
1. Load a recordable disc whose contents can be erased into the unit.
2. Press the
MENU/NO “R”
button. When “Edit Menu” is displayed on the liquid crystal display, press the
. m
“R”
or
M >
“R”
button to display “All Erase?”.
3. Press the
ENTER/YES “R”
button.
4. When “All Erase??” is displayed on the liquid crystal display, the music calendar number blinks.
5. Press the
ENTER/YES “R”
button to display “Complete!”.
6. Press the
[REC/REC IT]
button to start recording. Then press the
N X
(MD) button and start recording. If recording cannot be
performed, press the
[FUNCTION]
button and set a different function.
7. Press three buttons of
. m
,
[PLAY MODE]
and
N X
(MD) simultaneously to enter the retry cause display mode.
8. To check the “track mode”, press the
N X
(MD) button to start playback.
9. To release this mode, press the
I/
1
button to turn the power off. When “TOC” goes off, disconnect the power plug from the outlet.
If the test mode cannot be released, refer to “MC COLD RESET” on page 10.
Fig. 1 Reading the Test Mode Display
(During recording and stop)
RTs@@c##e
**
Liquid crystal display
@@ : Cause of retry
##
: Number of retries
**
: Number of retry errors
Fig. 2 Reading the Test Mode Display
(During playback)
@@ ###
**
$$
Liquid crystal display
@@ : Parts No. (name of area named on TOC)
##
: Cluster
**
: Sector
$$
: Track mode (Track information such as copy-
right information of each part)
Reading the Retry Cause Display
8
4
2
1
8
4
2
1
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Hexa-
decimal
Cause of Retry
01
02
04
08
10
20
40
80
Higher Bits
Lower Bits
Hexadecimal
Bit
Binary
shock
ader5
Discontinuous address
DIN unlock
FCS incorrect
IVR rec error
CLV unlock
Access fault
Occurring conditions
When track jump (shock) is detected
When ADER was counted more than five times
continuously
When ADIP address is not continuous
When DIN unlock is detected
When not in focus
When ABCD signal level exceeds the specified range
When CLV is unlocked
When access operation is not performed normally
Reading the Display:
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Example
When 42 is displayed:
Higher bit : 4 = 0100
t
b6
Lower bit : 2 = 0010
t
b1
In this case, the retry cause is combined of “CLV unlock” and “ader5”.
When A2 is displayed:
Higher bit : A = 1010
t
b7 + b5
Lower bit : 2 = 0010
t
b1
The retry cause in this case is combined of “Access fault”, “IVR rec error”, and “ader5”.
Address