1 EESchema Schematic File Version 4 2 LIBS:AcornElectronMainboard-cache 3 EELAYER 26 0 4 EELAYER END 5 $Descr A4 11693 8268 6 encoding utf-8 7 Sheet 8 10 8 Title "" 9 Date "" 10 Rev "" 11 Comp "" 12 Comment1 "" 13 Comment2 "" 14 Comment3 "" 15 Comment4 "" 16 $EndDescr 17 $Comp 18 L Device:R R31 19 U 1 1 61DEE018 20 P 4250 2600 21 F 0 "R31" V 4150 2600 50 0000 C CNN 22 F 1 "3900R" V 4350 2600 50 0000 C CNN 23 F 2 "" V 4180 2600 50 0001 C CNN 24 F 3 "~" H 4250 2600 50 0001 C CNN 25 1 4250 2600 26 0 1 1 0 27 $EndComp 28 $Comp 29 L Device:R R32 30 U 1 1 61DEE01F 31 P 4550 2800 32 F 0 "R32" V 4450 2800 50 0000 C CNN 33 F 1 "1000R" V 4650 2800 50 0000 C CNN 34 F 2 "" V 4480 2800 50 0001 C CNN 35 F 3 "~" H 4550 2800 50 0001 C CNN 36 1 4550 2800 37 0 1 1 0 38 $EndComp 39 $Comp 40 L Device:R R33 41 U 1 1 61DEE026 42 P 4250 3000 43 F 0 "R33" V 4150 3000 50 0000 C CNN 44 F 1 "2200R" V 4350 3000 50 0000 C CNN 45 F 2 "" V 4180 3000 50 0001 C CNN 46 F 3 "~" H 4250 3000 50 0001 C CNN 47 1 4250 3000 48 0 1 1 0 49 $EndComp 50 $Comp 51 L Device:R R45 52 U 1 1 61DEE04E 53 P 4350 1500 54 F 0 "R45" V 4250 1500 50 0000 C CNN 55 F 1 "68R" V 4450 1500 50 0000 C CNN 56 F 2 "" V 4280 1500 50 0001 C CNN 57 F 3 "~" H 4350 1500 50 0001 C CNN 58 1 4350 1500 59 0 1 1 0 60 $EndComp 61 $Comp 62 L Device:R R46 63 U 1 1 61DEE055 64 P 4650 1700 65 F 0 "R46" V 4550 1700 50 0000 C CNN 66 F 1 "68R" V 4750 1700 50 0000 C CNN 67 F 2 "" V 4580 1700 50 0001 C CNN 68 F 3 "~" H 4650 1700 50 0001 C CNN 69 1 4650 1700 70 0 1 1 0 71 $EndComp 72 $Comp 73 L Device:R R47 74 U 1 1 61DEE05C 75 P 4350 1900 76 F 0 "R47" V 4250 1900 50 0000 C CNN 77 F 1 "68R" V 4450 1900 50 0000 C CNN 78 F 2 "" V 4280 1900 50 0001 C CNN 79 F 3 "~" H 4350 1900 50 0001 C CNN 80 1 4350 1900 81 0 1 1 0 82 $EndComp 83 Wire Wire Line 84 4200 1500 4000 1500 85 Connection ~ 4000 1500 86 Wire Wire Line 87 3900 1700 4500 1700 88 Wire Wire Line 89 4200 1900 3800 1900 90 Connection ~ 3800 1900 91 Wire Wire Line 92 3800 1900 3800 3000 93 $Comp 94 L Connector:DIN-6 SK2 95 U 1 1 61DEE06D 96 P 6300 1800 97 F 0 "SK2" H 6500 1600 50 0000 C CNN 98 F 1 "RGB" H 6500 1500 50 0000 C CNN 99 F 2 "" H 6300 1800 50 0001 C CNN 100 F 3 "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" H 6300 1800 50 0001 C CNN 101 1 6300 1800 102 1 0 0 -1 103 $EndComp 104 Wire Wire Line 105 4800 1700 6000 1700 106 Wire Wire Line 107 4500 1500 6300 1500 108 Text GLabel 6700 1900 2 50 Input ~ 0 109 0V 110 Text GLabel 6300 2200 3 50 Input ~ 0 111 5V 112 Wire Wire Line 113 6300 2200 6300 2100 114 Wire Wire Line 115 1000 1300 3700 1300 116 Wire Wire Line 117 6600 1200 6600 1700 118 $Comp 119 L Connector:Conn_Coaxial SK3 120 U 1 1 61DEE0F7 121 P 6300 2600 122 F 0 "SK3" H 6399 2576 50 0000 L CNN 123 F 1 "VIDEO" H 6399 2485 50 0000 L CNN 124 F 2 "" H 6300 2600 50 0001 C CNN 125 F 3 " ~" H 6300 2600 50 0001 C CNN 126 1 6300 2600 127 1 0 0 -1 128 $EndComp 129 Wire Wire Line 130 3900 2800 4400 2800 131 Connection ~ 3900 1700 132 Wire Wire Line 133 3800 3000 4100 3000 134 Wire Wire Line 135 4000 2600 4100 2600 136 Text GLabel 6300 2900 3 50 Input ~ 0 137 0V 138 Wire Wire Line 139 6300 2900 6300 2800 140 $Comp 141 L Device:R R39 142 U 1 1 61DEE107 143 P 4900 2350 144 F 0 "R39" H 4970 2396 50 0000 L CNN 145 F 1 "1000R" H 4970 2305 50 0000 L CNN 146 F 2 "" V 4830 2350 50 0001 C CNN 147 F 3 "~" H 4900 2350 50 0001 C CNN 148 1 4900 2350 149 1 0 0 -1 150 $EndComp 151 Wire Wire Line 152 6700 1900 6600 1900 153 Wire Wire Line 154 4500 1900 6000 1900 155 Text GLabel 4900 2100 1 50 Input ~ 0 156 5V 157 Wire Wire Line 158 4900 2100 4900 2200 159 $Comp 160 L Device:R R48 161 U 1 1 61DEE112 162 P 5500 2350 163 F 0 "R48" H 5570 2396 50 0000 L CNN 164 F 1 "68R" H 5570 2305 50 0000 L CNN 165 F 2 "" V 5430 2350 50 0001 C CNN 166 F 3 "~" H 5500 2350 50 0001 C CNN 167 1 5500 2350 168 1 0 0 -1 169 $EndComp 170 Text GLabel 5500 2100 1 50 Input ~ 0 171 5V 172 Wire Wire Line 173 5500 2200 5500 2100 174 $Comp 175 L Device:R R49 176 U 1 1 61DEE11B 177 P 5850 2600 178 F 0 "R49" V 5750 2600 50 0000 C CNN 179 F 1 "68R" V 5950 2600 50 0000 C CNN 180 F 2 "" V 5780 2600 50 0001 C CNN 181 F 3 "~" H 5850 2600 50 0001 C CNN 182 1 5850 2600 183 0 1 1 0 184 $EndComp 185 $Comp 186 L Device:R R40 187 U 1 1 61DEE122 188 P 5000 3050 189 F 0 "R40" H 5070 3096 50 0000 L CNN 190 F 1 "470R" H 5070 3005 50 0000 L CNN 191 F 2 "" V 4930 3050 50 0001 C CNN 192 F 3 "~" H 5000 3050 50 0001 C CNN 193 1 5000 3050 194 1 0 0 -1 195 $EndComp 196 $Comp 197 L bc309:BC309 Q8 198 U 1 1 61DEE129 199 P 5300 2800 200 F 0 "Q8" H 5491 2754 50 0000 L CNN 201 F 1 "BC309" H 5491 2845 50 0000 L CNN 202 F 2 "Package_TO_SOT_THT:TO-92_Inline" H 5500 2725 50 0001 L CIN 203 F 3 "https://www.futurlec.com/Transistors/BC309.shtml" H 5300 2800 50 0001 L CNN 204 1 5300 2800 205 1 0 0 1 206 $EndComp 207 Wire Wire Line 208 6100 2600 6000 2600 209 Wire Wire Line 210 5400 2600 5500 2600 211 Wire Wire Line 212 5500 2600 5500 2500 213 Connection ~ 5500 2600 214 Wire Wire Line 215 5500 2600 5700 2600 216 Wire Wire Line 217 4400 2600 4800 2600 218 Wire Wire Line 219 5100 2600 5100 2800 220 Wire Wire Line 221 4900 2600 4900 2500 222 Connection ~ 4900 2600 223 Wire Wire Line 224 4900 2600 5000 2600 225 Wire Wire Line 226 5000 2900 5000 2600 227 Connection ~ 5000 2600 228 Wire Wire Line 229 5000 2600 5100 2600 230 $Comp 231 L Device:R R34 232 U 1 1 61DEE13D 233 P 4550 3200 234 F 0 "R34" V 4450 3200 50 0000 C CNN 235 F 1 "1000R" V 4650 3200 50 0000 C CNN 236 F 2 "" V 4480 3200 50 0001 C CNN 237 F 3 "~" H 4550 3200 50 0001 C CNN 238 1 4550 3200 239 0 1 1 0 240 $EndComp 241 Wire Wire Line 242 3700 3200 4400 3200 243 Wire Wire Line 244 4800 2600 4800 2800 245 Wire Wire Line 246 4800 3200 4700 3200 247 Connection ~ 4800 2600 248 Wire Wire Line 249 4800 2600 4900 2600 250 Wire Wire Line 251 4400 3000 4800 3000 252 Connection ~ 4800 3000 253 Wire Wire Line 254 4800 3000 4800 3200 255 Wire Wire Line 256 4700 2800 4800 2800 257 Connection ~ 4800 2800 258 Wire Wire Line 259 4800 2800 4800 3000 260 Text GLabel 5000 3300 3 50 Input ~ 0 261 0V 262 Wire Wire Line 263 5000 3300 5000 3200 264 Text GLabel 5400 3300 3 50 Input ~ 0 265 0V 266 Wire Wire Line 267 5400 3300 5400 3000 268 Text GLabel 1000 1300 0 50 Input ~ 0 269 ~CSYNC 270 Text GLabel 1000 1500 0 50 Input ~ 0 271 BLUE 272 Text GLabel 1000 1700 0 50 Input ~ 0 273 GREEN 274 Text GLabel 1000 1900 0 50 Input ~ 0 275 RED 276 Wire Wire Line 277 4000 1500 4000 2600 278 Wire Wire Line 279 3900 1700 3900 2800 280 Wire Wire Line 281 1000 1500 4000 1500 282 Wire Wire Line 283 1000 1700 3900 1700 284 Wire Wire Line 285 1000 1900 3800 1900 286 Wire Wire Line 287 3700 1300 3700 3200 288 $Comp 289 L Jumper:Jumper_2_Open LK4 290 U 1 1 62416A28 291 P 4500 4000 292 F 0 "LK4" H 4500 4235 50 0000 C CNN 293 F 1 "NF" H 4500 4144 50 0000 C CNN 294 F 2 "" H 4500 4000 50 0001 C CNN 295 F 3 "~" H 4500 4000 50 0001 C CNN 296 1 4500 4000 297 1 0 0 -1 298 $EndComp 299 Wire Wire Line 300 4700 4000 4800 4000 301 Wire Wire Line 302 4800 4000 4800 3200 303 Connection ~ 4800 3200 304 Text GLabel 4200 4000 0 50 Input ~ 0 305 UHF_IN 306 Wire Wire Line 307 4200 4000 4300 4000 308 Text Notes 3900 4200 0 50 ~ 0 309 For optional link from UHF circuit. 310 Text GLabel 3500 3200 0 50 UnSpc ~ 0 311 ~CSYNC_COMMON 312 Wire Wire Line 313 3500 3200 3700 3200 314 Connection ~ 3700 3200 315 $Comp 316 L 74xx:74LS86 IC14 317 U 4 1 63EE1FF3 318 P 6000 1200 319 F 0 "IC14" H 6000 1525 50 0000 C CNN 320 F 1 "74LS86" H 6000 1434 50 0000 C CNN 321 F 2 "" H 6000 1200 50 0001 C CNN 322 F 3 "74xx/74ls86.pdf" H 6000 1200 50 0001 C CNN 323 4 6000 1200 324 1 0 0 -1 325 $EndComp 326 Wire Wire Line 327 6300 1200 6600 1200 328 Wire Wire Line 329 3700 1300 5700 1300 330 Connection ~ 3700 1300 331 Wire Wire Line 332 5100 950 5100 1100 333 Wire Wire Line 334 5100 1100 5700 1100 335 Text GLabel 4700 800 0 50 Input ~ 0 336 0V 337 Text GLabel 5500 800 2 50 Input ~ 0 338 5V 339 Wire Wire Line 340 5350 800 5500 800 341 Wire Wire Line 342 4700 800 4850 800 343 $Comp 344 L Jumper:Jumper_3_Bridged12 LK3 345 U 1 1 63EF18F0 346 P 5100 800 347 F 0 "LK3" H 5100 1004 50 0000 C CNN 348 F 1 "Jumper_3_Bridged12" H 5100 913 50 0000 C CNN 349 F 2 "" H 5100 800 50 0001 C CNN 350 F 3 "~" H 5100 800 50 0001 C CNN 351 1 5100 800 352 1 0 0 -1 353 $EndComp 354 $Comp 355 L power:PWR_FLAG #FLG0101 356 U 1 1 63EF2C91 357 P 5100 1100 358 F 0 "#FLG0101" H 5100 1175 50 0001 C CNN 359 F 1 "PWR_FLAG" V 5100 1228 50 0000 L CNN 360 F 2 "" H 5100 1100 50 0001 C CNN 361 F 3 "~" H 5100 1100 50 0001 C CNN 362 1 5100 1100 363 0 -1 -1 0 364 $EndComp 365 Connection ~ 5100 1100 366 $EndSCHEMATC