Sony MDS-W1 Service Manual page 10

Minidisc deck
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Reading the Retry Cause Display
Higher Bits
Hexadecimal
8
4
2
Bit
b7 b6 b5 b4 b3 b2 b1 b0
Binary
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
0
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 n b6
Lower bit : 2 = 0010 n b1
In this case, the retry cause is combined of "CLV unlock" and "ader5".
When A2 is displayed:
Higher bit : A = 1010 n b7+b5
Lower bit : 2 = 0010 n b2
The retry cause in this case is combined of "access fault", "IVR rec error", and "ader5".
Reading the Track Mode Display
Higher Bits
Hexadecimal
8
4
2
1
Bit
b7 b6 b5 b4 b3 b2 b1 b0
Binary
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
Reading the Display:
Convert the hexadecimal display into binary display. If more than
two causes, they will be added.
Example
When 84 is displayed:
Higher bit : 8 = 1000 n b7
Lower bit : 4 = 0100 n b2
In this case, as b2 and b7 are 1 and others are 0, it can be
determined that the retry cause is combined of "emphasis OFF",
"monaural", "original", "copyright exists", and "write allowed".
Example
When 07 is displayed:
Higher bit : 0 = 1000 n All 0
Lower bit : 7 = 0111 n b0+b1+b2
In this case, as b0, b1, and b2 are 1 and others are 0, it can be
determined that the retry cause is combined of "emphasis ON",
"stereo", "original", "copyright exists", and "write prohibited".
Lower Bits
Hexa-
1
8
4
2
1
decimal
0
0
0
0
1
01
02
0
0
0
1
0
0
0
1
0
0
04
08
0
1
0
0
0
10
1
0
0
0
0
20
0
0
0
0
0
40
0
0
0
0
0
0
0
0
0
0
80
Lower Bits
Hexa-
8
4
2
1
decimal
01
0
0
0
1
0
0
1
0
02
04
0
1
0
0
08
1
0
0
0
10
0
0
0
0
20
0
0
0
0
0
0
0
0
40
80
0
0
0
0
Cause of Retry
shock
When track jump (shock) is detected
When ADER was counted more than five times
ader5
continuously
Discontinuous address
When ADIP address is not continuous
DIN unlock
When DIN unlock is detected
FCS incorrect
When not in focus
IVR rec error
When ABCD signal level exceeds the specified range
CLV unlock
When CLV is unlocked
Access fault
When access operation is not performed normally
When 0
Emphasis OFF
Monaural
This is 2-bit display. Normally 01.
01:Normal audio. Others:Invalid
Audio (Normal)
Original
Copyright
Write prohibited
Hexadecimal n Binary Conversion Table
Hexadecimal
0
1
2
3
4
5
6
7
– 10 –
Occurring conditions
Details
When 1
Emphasis ON
Stereo
Invalid
Digital copy
No copyright
Write allowed
Binary
Hexadecimal
8
0000
0001
9
A
0010
B
0011
0100
C
D
0101
0110
E
F
0111
Binary
1000
1001
1010
1011
1100
1101
1110
1111

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