SONY MDSPC1
Service Manual

Reading the Display: Convert the hexadecimal display into the binary display. If more than two causes, they will be added. Example When 44 is displayed: Upper bit : 4=0100 n b6 Lower bit : 4=0010 n b2 In this case, the retry cause is combined of �CVL unlock� and �ader5�. When A4 is displayed: Upper bit : A=1010 n b7+b5 Lower bit : 4=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 Bit Binary 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 1 0 2 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 Lower Bits 8 0 0 0 1 0 0 0 0 4 0 0 1 0 0 0 0 0 2 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 Hexadecimal 01 02 04 08 10 20 40 80 When 0 Emphasis OFF Monaural This is 2-bit display. Normally 01. 01:Normal audio. Others:Invalid Audio (Normal) Original Copyright Write prohibited Invalid Digital copy No copyright Write allowed Emphasis ON Stereo Details When 1

b7 b6 b5 b4 b3 b2 b1 b0

Reading the Display: Convert the hexadecimal display into the binary display. Several cause are added and displayed. Example When 84 is displayed: Upper bit : 8=1000 n b7 Lower bit : 4=0100 n b2 In this case, as b2 and b7 are 1 and others are 0, the cause is combined of �Emphasis OFF�, �Monaural�, �Original�, Copyrighted� and �Write permitted�. When 07 is displayed: Upper bit : 0=0000 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, the cause is combined of �Emphasis ON�, �Stereo�, �Original�, Copyrighted� and �Write prohibited�. Hexadecimal/Decimal Conversion Table Hexadecimal 0 1 2 3 4 5 6 7 Binary 0000 0001 0010 0011 0100 0101 0110 0111 Hexadecimal 8 9 A B C D E F Binary 1000 1001 1010 1011 1100 1101 1110 1111

�8�