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 : Information such as type of disc played, part played, copyright.

These are displayed in hexadecimal.

Procedure:

1.Procedure 1: Press the x button continuously for about 10 seconds.

Procedure 2: Press the LEVEL/DISPLAY/CHAR button while pressing the x button and MENU/NO button.

2.When the mode is set, “RTs 00c 00e 000” is displayed.

3.Press the z REC button to start recording. Then press the X button and start recording.

4.To check the “track mode”, press the H button to start play.

5.To exit the test mode, press the @/1 button, and turn OFF the power. When “TOC” disappears, disconnect the power plug from the outlet. If the test mode cannot be exited, refer to “Forced Reset” on page 8.

Fig. 1 Reading the Test Mode Display (During recording and stop)

RTs@@c##c***

Fluorescent display tube display

@@: Cause of retry ## : Number of retries

*** : Number of retry errors

Reading the Retry Cause Display

Fig. 2 Reading the Test Mode Display (During playback)

@@####**$$ Fluorescent display tube display

@@ : Parts No. (name of area named on TOC)

##: Cluster

**

: Sector } Address (Physical address on disc)

$$

: Track mode (Track information such as copyright infor-

 

mation of each part)

 

Higher Bits

Lower Bits

Hexa-

 

 

 

 

 

 

 

 

 

 

 

Cause of Retry

Occurring conditions

Hexadecimal

8

4

2

1

8

4

2

1

decimal

 

 

 

 

 

 

 

 

 

 

 

Bit

b7

b6

b5

b4

b3

b2

b1

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Binary

0

0

0

0

0

0

0

1

01

shock

When track jump (shock) is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

0

1

0

02

ader5

When ADER was counted more than five times continu-

 

ously

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

1

0

0

04

Discontinuous address

When ADIP address is not continuous

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

1

0

0

0

08

DIN unlock

When DIN unlock is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

1

0

0

0

0

10

FCS incorrect

When not in focus

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

1

0

0

0

0

0

20

IVR rec error

When ABCD signal level exceeds the specified range

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

0

0

0

0

0

0

40

CLV unlock

When CLV is unlocked

 

 

 

 

 

 

 

 

 

 

 

 

 

1

0

0

0

0

0

0

0

80

Access fault

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 b2

The retry cause in this case is combined of “access fault”, “IVR rec error”, and “ader5”.

9

Page 9
Image 9
Sony MDM-7A, NEW, KMS-2608/J1N specifications Retry Cause Display Mode, Bit Binary

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