Sony MDS-JE470 Service Manual - Page 11

MDS-JE470 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". Reading the Track Mode Display Higher Bits Lower Bits Hexadecimal 8 4 2 1 8 4 2 1 Hexa- Bit decimal b7 b6 b5 b4 b3 b2 b1 b0 When 0 Details When 1 Binary 0 0 0 0 0 0 0 1 01 Emphasis OFF Emphasis ON 0 0 0 0 0 0 1 0 02 Monaural Stereo 0 0 0 0 0 1 0 0 04 This is 2-bit display. Normally 01. 0 0 0 0 1 0 0 0 08 01:Normal audio. Others:Invalid 0 0 0 1 0 0 0 0 10 Audio (Normal) Invalid 0 0 1 0 0 0 0 0 20 Original Digital copy 0 1 0 0 0 0 0 0 40 Copyright No copyright 1 0 0 0 0 0 0 0 80 Write prohibited Write allowed 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 t b7 Lower bit : 4 = 0100 t 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 t All 0 Lower bit : 7 = 0111 t 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". Hexadecimal t Binary Conversion Table Hexadecimal Binary Hexadecimal Binary 0 0000 8 1000 1 0001 9 1001 2 0010 A 1010 3 0011 B 1011 4 0100 C 1100 5 0101 D 1101 6 0110 E 1110 7 0111 F 1111 11