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Incredibly clear!!!! Well done, complete and wonderful. It could not better than this!!!!
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Thank You for fast delivery for the sheme.
Everything allright.
Thanks & best regards Franz
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again you did a very good job. It was fast too. Photocopy are really readable and clear
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Probably it never existed a 1081 official service manual from Commodore, it's look more like a NAPCEC service manual & diagrams compilation of the 1084 series and his variants, like the nap6523, 8cm505, 1084S, 1084P and obviously the 1081. It's more complete than other scans and the quality of the scans also are far superior. It has two circuit diagrams variants of the 1081, mono and stereo versions. It doesn't include a diagram for the Philips CM8500 or CM8501, they look like the 1081 but they are slightly different.
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Rapid, clear well done as all the scheme I downloaded from this site. Great job very functional and very useful
4-2.
DATA PROCESS
The calculation of the DDS display and the adjustment remote commander display data (hexadecimal notation) are required for obtaining the adjustment data of some adjustment items. In this case, after converting the hexadecimal notation to decimal notation, calculate and convert the result to hexadecimal notation, and use it as the adjustment data. Indicates the hexadecimal-decimal conversion table. Hexadecimal-decimal Conversion Table
Lower digit of hexadecimal Upper digit of hexadecimal
2
4 5 6 7 8 9 A (A) B (b) 11 27 43 59 77 91 107 123 139 155 171 187 203 219 235 251 C (c) 12 28 44 60 76 92 108 124 140 156 172 188 204 220 236 252 D (d) 13 29 45 61 77 93 109 125 141 157 173 189 205 221 237 253 E (E) 14 30 46 62 78 94 110 126 142 158 174 190 206 222 238 254 F (F) 15 31 47 63 79 95 111 127 143 159 175 191 207 223 239 255
0
1
2
3
0 1 2 3 4 5 6 7 8 9 A (A)
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
1 17 33 49 65 81 97 113 129 145 161 177 193 209 225 241
2 18 34 50 66 82 98 114 130 146 162 178 194 210 226 242
3 19 35 51 67 83 99 115 131 147 163 179 195 211 227 243
4 20 36 52 68 84 100 116 132 148 164 180 196 212 228 244
5 21 37 53 69 85 101 117 133 149 165 181 197 213 229 245
6 22 38 54 70 86 102 118 134 150 166 182 198 214 230 246
7 23 39 55 71 87 103 119 135 151 167 183 199 215 231 247
8 24 40 56 72 88 104 120 136 152 168 184 200 216 232 248
9 25 41 57 73 89 105 121 137 153 169 185 201 217 233 249
10 26 42 58 74 90 106 122 138 154 170 186 202 218 234 250
1
B (b) C (c) D (d) E (E) 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 (bd); Because the upper digit of the adjustment number is B (b), and the lower digit is D (d), the meeting point �189� of 1 and 2 in the above table is the corresponding decimal number.
Table. 5-4-2.
5-40
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