Data Processing - Sony MVC-FD71 Service Manual

1-1-6.

Data Processing

In some adjustment items, data appears in hexadecimal numbers on
the DDS display or on the adjustment remote commander.
Maintenance engineers are expected to convert the displayed
hexadecimal numbers to the corresponding decimal numbers using
the following conversion table. Make a required calculation
described in each adjustment item. Then re-convert the result of
calculation back from the decimal numbers to the corresponding
hexadecimal numbers using the following conversion table.
Hexadecimal-decimal Conversion Table
Lower digit of
0 0 0
hexadecimal
Upper digit
of hexadecimal
0
0
16
1
32
2
48
3
4 64
80
5
6 96
112
7
128
8
144
9
160
A ( )
A
1
176
B ( )
b
192
C ( )
c
208
D ( )
d
224
E ( )
E
240
F ( )
F
Note :
The characters shown in the parenthesis ( ) shown the display on the adjustment remote commander.
(Example) If the DDS display or the adjustment remote commander shows BD (
Because the upper digit of the adjustment number is B (
"189" of 1 and 2 in the above table is the corresponding decimal number.
1 2 3 4 5
1 2 3 4 5
17 18 19 20 21
33 34 35 36 37
49 50 51 52 53
65 66 67 68 69
81 82 83 84 85
97 98 99 100 101
113 114 115 116 117
129 130 131 132 133
145 146 147 148 149
161 162 163 164 165
177 178 179 180 181
193 194 195 196 197
209 210 211 212 213
225 226 227 228 229
241 242 243 244 245
6 7 8 9
6 7 8 9
22 23 24 25
38 39 40 41
54 55 56 57
70 71 72 73
86 87 88 89
102 103 104 105
118 119 120 121
134 135 136 137
150 151 152 153
166 167 168 169
182 183 184 185
198 199 200 201
214 215 216 217
230 231 232 233
246 247 248 249
b
), and the lower digit is D (
Table. 5-1-1
5-6
2
A B C D E
( ) ( ) ( ) ( ) (
A b c d E
10 11 12 13 14
26 27 28 29 30
42 43 44 45 46
58 59 60 61 62
74 77 76 77 78
90 91 92 93 94
106 107 108 109 110
122 123 124 125 126
138 139 140 141 142
154 155 156 157 158
170 171 172 173 174
186 187 188 189 190
202 203 204 205 206
218 219 220 221 222
234 235 236 237 238
250 251 252 253 254
bd
);
d
), the meeting point
F
) ( )
F
15
31
47
63
79
95
111
127
143
159
175
191
207
223
239
255