1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/CSYNC.sch Tue Feb 07 14:51:31 2023 +0100
1.3 @@ -0,0 +1,341 @@
1.4 +EESchema Schematic File Version 4
1.5 +LIBS:AcornElectronMainboard-cache
1.6 +EELAYER 26 0
1.7 +EELAYER END
1.8 +$Descr A4 11693 8268
1.9 +encoding utf-8
1.10 +Sheet 11 11
1.11 +Title ""
1.12 +Date ""
1.13 +Rev ""
1.14 +Comp ""
1.15 +Comment1 ""
1.16 +Comment2 ""
1.17 +Comment3 ""
1.18 +Comment4 ""
1.19 +$EndDescr
1.20 +Wire Wire Line
1.21 + 7000 2400 6800 2400
1.22 +$Comp
1.23 +L Device:R R?
1.24 +U 1 1 63E403ED
1.25 +P 3450 2500
1.26 +AR Path="/61DB955D/63E403ED" Ref="R?" Part="1"
1.27 +AR Path="/61DB955D/61DF7FF4/63E403ED" Ref="R?" Part="1"
1.28 +AR Path="/62411C42/63E403ED" Ref="R?" Part="1"
1.29 +AR Path="/63E3F56E/63E403ED" Ref="R19" Part="1"
1.30 +F 0 "R19" V 3250 2500 50 0000 C CNN
1.31 +F 1 "1500R" V 3350 2500 50 0000 C CNN
1.32 +F 2 "" V 3380 2500 50 0001 C CNN
1.33 +F 3 "~" H 3450 2500 50 0001 C CNN
1.34 + 1 3450 2500
1.35 + 0 1 1 0
1.36 +$EndComp
1.37 +$Comp
1.38 +L Diode:1N4148 D?
1.39 +U 1 1 63E403F4
1.40 +P 2850 2100
1.41 +AR Path="/61DB955D/63E403F4" Ref="D?" Part="1"
1.42 +AR Path="/61DB955D/61DF7FF4/63E403F4" Ref="D?" Part="1"
1.43 +AR Path="/62411C42/63E403F4" Ref="D?" Part="1"
1.44 +AR Path="/63E3F56E/63E403F4" Ref="D1" Part="1"
1.45 +F 0 "D1" H 2850 1900 50 0000 C CNN
1.46 +F 1 "1N4148" H 2850 2000 50 0000 C CNN
1.47 +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 2850 1925 50 0001 C CNN
1.48 +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 2850 2100 50 0001 C CNN
1.49 + 1 2850 2100
1.50 + -1 0 0 1
1.51 +$EndComp
1.52 +$Comp
1.53 +L Device:R R?
1.54 +U 1 1 63E403FB
1.55 +P 3350 2100
1.56 +AR Path="/61DB955D/63E403FB" Ref="R?" Part="1"
1.57 +AR Path="/61DB955D/61DF7FF4/63E403FB" Ref="R?" Part="1"
1.58 +AR Path="/62411C42/63E403FB" Ref="R?" Part="1"
1.59 +AR Path="/63E3F56E/63E403FB" Ref="R12" Part="1"
1.60 +F 0 "R12" V 3550 2100 50 0000 C CNN
1.61 +F 1 "2200R" V 3450 2100 50 0000 C CNN
1.62 +F 2 "" V 3280 2100 50 0001 C CNN
1.63 +F 3 "~" H 3350 2100 50 0001 C CNN
1.64 + 1 3350 2100
1.65 + 0 -1 -1 0
1.66 +$EndComp
1.67 +$Comp
1.68 +L Device:R R?
1.69 +U 1 1 63E40402
1.70 +P 3700 1750
1.71 +AR Path="/61DB955D/63E40402" Ref="R?" Part="1"
1.72 +AR Path="/61DB955D/61DF7FF4/63E40402" Ref="R?" Part="1"
1.73 +AR Path="/62411C42/63E40402" Ref="R?" Part="1"
1.74 +AR Path="/63E3F56E/63E40402" Ref="R13" Part="1"
1.75 +F 0 "R13" H 3900 1700 50 0000 R CNN
1.76 +F 1 "470R" H 3750 1800 50 0000 L CNN
1.77 +F 2 "" V 3630 1750 50 0001 C CNN
1.78 +F 3 "~" H 3700 1750 50 0001 C CNN
1.79 + 1 3700 1750
1.80 + -1 0 0 1
1.81 +$EndComp
1.82 +$Comp
1.83 +L Device:C C?
1.84 +U 1 1 63E40409
1.85 +P 5200 1750
1.86 +AR Path="/61DB955D/63E40409" Ref="C?" Part="1"
1.87 +AR Path="/61DB955D/61DF7FF4/63E40409" Ref="C?" Part="1"
1.88 +AR Path="/62411C42/63E40409" Ref="C?" Part="1"
1.89 +AR Path="/63E3F56E/63E40409" Ref="C13" Part="1"
1.90 +F 0 "C13" H 5100 1700 50 0000 R CNN
1.91 +F 1 "150pF" H 5100 1800 50 0000 R CNN
1.92 +F 2 "" H 5238 1600 50 0001 C CNN
1.93 +F 3 "~" H 5200 1750 50 0001 C CNN
1.94 + 1 5200 1750
1.95 + -1 0 0 1
1.96 +$EndComp
1.97 +$Comp
1.98 +L bc309:BC309 Q?
1.99 +U 1 1 63E40410
1.100 +P 5600 2100
1.101 +AR Path="/61DB955D/63E40410" Ref="Q?" Part="1"
1.102 +AR Path="/61DB955D/61DF7FF4/63E40410" Ref="Q?" Part="1"
1.103 +AR Path="/62411C42/63E40410" Ref="Q?" Part="1"
1.104 +AR Path="/63E3F56E/63E40410" Ref="Q5" Part="1"
1.105 +F 0 "Q5" H 5791 2054 50 0000 L CNN
1.106 +F 1 "BC309" H 5791 2145 50 0000 L CNN
1.107 +F 2 "Package_TO_SOT_THT:TO-92_Inline" H 5800 2025 50 0001 L CIN
1.108 +F 3 "https://www.futurlec.com/Transistors/BC309.shtml" H 5600 2100 50 0001 L CNN
1.109 + 1 5600 2100
1.110 + 1 0 0 -1
1.111 +$EndComp
1.112 +Wire Wire Line
1.113 + 5700 1400 5700 1900
1.114 +Wire Wire Line
1.115 + 3700 1400 5200 1400
1.116 +Text GLabel 5800 1400 2 50 Input ~ 0
1.117 +0V
1.118 +Wire Wire Line
1.119 + 5800 1400 5700 1400
1.120 +Connection ~ 5700 1400
1.121 +$Comp
1.122 +L Device:R R?
1.123 +U 1 1 63E4041C
1.124 +P 6400 2400
1.125 +AR Path="/61DB955D/63E4041C" Ref="R?" Part="1"
1.126 +AR Path="/61DB955D/61DF7FF4/63E4041C" Ref="R?" Part="1"
1.127 +AR Path="/62411C42/63E4041C" Ref="R?" Part="1"
1.128 +AR Path="/63E3F56E/63E4041C" Ref="R22" Part="1"
1.129 +F 0 "R22" V 6300 2400 50 0000 C CNN
1.130 +F 1 "1000R" V 6500 2400 50 0000 C CNN
1.131 +F 2 "" V 6330 2400 50 0001 C CNN
1.132 +F 3 "~" H 6400 2400 50 0001 C CNN
1.133 + 1 6400 2400
1.134 + 0 1 1 0
1.135 +$EndComp
1.136 +$Comp
1.137 +L Device:R R?
1.138 +U 1 1 63E40423
1.139 +P 6200 2050
1.140 +AR Path="/61DB955D/63E40423" Ref="R?" Part="1"
1.141 +AR Path="/61DB955D/61DF7FF4/63E40423" Ref="R?" Part="1"
1.142 +AR Path="/62411C42/63E40423" Ref="R?" Part="1"
1.143 +AR Path="/63E3F56E/63E40423" Ref="R21" Part="1"
1.144 +F 0 "R21" H 6150 2000 50 0000 R CNN
1.145 +F 1 "68R" H 6150 2100 50 0000 R CNN
1.146 +F 2 "" V 6130 2050 50 0001 C CNN
1.147 +F 3 "~" H 6200 2050 50 0001 C CNN
1.148 + 1 6200 2050
1.149 + -1 0 0 1
1.150 +$EndComp
1.151 +Text GLabel 6200 1800 1 50 Input ~ 0
1.152 +5V
1.153 +Wire Wire Line
1.154 + 6200 1800 6200 1900
1.155 +Wire Wire Line
1.156 + 6200 2200 6200 2400
1.157 +Connection ~ 6200 2400
1.158 +$Comp
1.159 +L Device:R R?
1.160 +U 1 1 63E4042E
1.161 +P 6800 2050
1.162 +AR Path="/61DB955D/63E4042E" Ref="R?" Part="1"
1.163 +AR Path="/61DB955D/61DF7FF4/63E4042E" Ref="R?" Part="1"
1.164 +AR Path="/62411C42/63E4042E" Ref="R?" Part="1"
1.165 +AR Path="/63E3F56E/63E4042E" Ref="R26" Part="1"
1.166 +F 0 "R26" H 6850 2000 50 0000 L CNN
1.167 +F 1 "1800R" H 6850 2100 50 0000 L CNN
1.168 +F 2 "" V 6730 2050 50 0001 C CNN
1.169 +F 3 "~" H 6800 2050 50 0001 C CNN
1.170 + 1 6800 2050
1.171 + -1 0 0 1
1.172 +$EndComp
1.173 +Wire Wire Line
1.174 + 6550 2400 6800 2400
1.175 +Wire Wire Line
1.176 + 6800 2400 6800 2200
1.177 +Wire Wire Line
1.178 + 6200 2400 6250 2400
1.179 +Wire Wire Line
1.180 + 5700 2400 6200 2400
1.181 +Connection ~ 6800 2400
1.182 +Text GLabel 1300 1100 0 50 Input ~ 0
1.183 +~CSYNC
1.184 +Wire Wire Line
1.185 + 1300 1100 6800 1100
1.186 +Wire Wire Line
1.187 + 6800 1100 6800 1900
1.188 +Wire Wire Line
1.189 + 5700 2400 5700 2300
1.190 +Wire Wire Line
1.191 + 3700 1400 3700 1600
1.192 +Wire Wire Line
1.193 + 5200 1600 5200 1400
1.194 +Connection ~ 5200 1400
1.195 +Wire Wire Line
1.196 + 5200 1400 5700 1400
1.197 +Wire Wire Line
1.198 + 3700 1900 3700 2100
1.199 +Wire Wire Line
1.200 + 3700 2100 3900 2100
1.201 +Wire Wire Line
1.202 + 5200 2100 5200 1900
1.203 +Connection ~ 5200 2100
1.204 +Wire Wire Line
1.205 + 5200 2100 5400 2100
1.206 +$Comp
1.207 +L Diode:1N4148 D?
1.208 +U 1 1 63E40447
1.209 +P 2650 1800
1.210 +AR Path="/61DB955D/63E40447" Ref="D?" Part="1"
1.211 +AR Path="/61DB955D/61DF7FF4/63E40447" Ref="D?" Part="1"
1.212 +AR Path="/62411C42/63E40447" Ref="D?" Part="1"
1.213 +AR Path="/63E3F56E/63E40447" Ref="D2" Part="1"
1.214 +F 0 "D2" H 2650 1600 50 0000 C CNN
1.215 +F 1 "1N4148" H 2650 1700 50 0000 C CNN
1.216 +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 2650 1625 50 0001 C CNN
1.217 +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 2650 1800 50 0001 C CNN
1.218 + 1 2650 1800
1.219 + -1 0 0 1
1.220 +$EndComp
1.221 +$Comp
1.222 +L Diode:1N4148 D?
1.223 +U 1 1 63E4044E
1.224 +P 2450 1500
1.225 +AR Path="/61DB955D/63E4044E" Ref="D?" Part="1"
1.226 +AR Path="/61DB955D/61DF7FF4/63E4044E" Ref="D?" Part="1"
1.227 +AR Path="/62411C42/63E4044E" Ref="D?" Part="1"
1.228 +AR Path="/63E3F56E/63E4044E" Ref="D3" Part="1"
1.229 +F 0 "D3" H 2450 1300 50 0000 C CNN
1.230 +F 1 "1N4148" H 2450 1400 50 0000 C CNN
1.231 +F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 2450 1325 50 0001 C CNN
1.232 +F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 2450 1500 50 0001 C CNN
1.233 + 1 2450 1500
1.234 + -1 0 0 1
1.235 +$EndComp
1.236 +Wire Wire Line
1.237 + 3200 2100 3100 2100
1.238 +Wire Wire Line
1.239 + 3100 2100 3100 1800
1.240 +Wire Wire Line
1.241 + 3100 1800 2800 1800
1.242 +Connection ~ 3100 2100
1.243 +Wire Wire Line
1.244 + 3100 2100 3000 2100
1.245 +Wire Wire Line
1.246 + 3100 1800 3100 1500
1.247 +Wire Wire Line
1.248 + 3100 1500 2600 1500
1.249 +Connection ~ 3100 1800
1.250 +Wire Wire Line
1.251 + 2700 2100 2600 2100
1.252 +Wire Wire Line
1.253 + 2600 2100 2600 3100
1.254 +Wire Wire Line
1.255 + 2500 1800 2400 1800
1.256 +Wire Wire Line
1.257 + 2400 1800 2400 2800
1.258 +Wire Wire Line
1.259 + 2300 1500 2200 1500
1.260 +Wire Wire Line
1.261 + 2200 1500 2200 2500
1.262 +Wire Wire Line
1.263 + 3500 2100 3700 2100
1.264 +Connection ~ 3700 2100
1.265 +Wire Wire Line
1.266 + 4100 3100 4100 2100
1.267 +Connection ~ 4100 2100
1.268 +Wire Wire Line
1.269 + 4100 2100 5200 2100
1.270 +Wire Wire Line
1.271 + 4000 2800 4000 2100
1.272 +Connection ~ 4000 2100
1.273 +Wire Wire Line
1.274 + 4000 2100 4100 2100
1.275 +Wire Wire Line
1.276 + 3600 2500 3900 2500
1.277 +Wire Wire Line
1.278 + 3900 2500 3900 2100
1.279 +Connection ~ 3900 2100
1.280 +Wire Wire Line
1.281 + 3900 2100 4000 2100
1.282 +Wire Wire Line
1.283 + 3300 2500 2200 2500
1.284 +Text GLabel 7000 1100 2 50 UnSpc ~ 0
1.285 +~CSYNC_VIDEO
1.286 +Wire Wire Line
1.287 + 6800 1100 7000 1100
1.288 +Connection ~ 6800 1100
1.289 +$Comp
1.290 +L Device:R R?
1.291 +U 1 1 63E418BD
1.292 +P 3850 3100
1.293 +AR Path="/61DB955D/63E418BD" Ref="R?" Part="1"
1.294 +AR Path="/61DB955D/61DF7FF4/63E418BD" Ref="R?" Part="1"
1.295 +AR Path="/62411C42/63E418BD" Ref="R?" Part="1"
1.296 +AR Path="/63E3F56E/63E418BD" Ref="R14" Part="1"
1.297 +F 0 "R14" V 4050 3100 50 0000 C CNN
1.298 +F 1 "3900R" V 3950 3100 50 0000 C CNN
1.299 +F 2 "" V 3780 3100 50 0001 C CNN
1.300 +F 3 "~" H 3850 3100 50 0001 C CNN
1.301 + 1 3850 3100
1.302 + 0 -1 -1 0
1.303 +$EndComp
1.304 +$Comp
1.305 +L Device:R R?
1.306 +U 1 1 63E418C4
1.307 +P 3650 2800
1.308 +AR Path="/61DB955D/63E418C4" Ref="R?" Part="1"
1.309 +AR Path="/61DB955D/61DF7FF4/63E418C4" Ref="R?" Part="1"
1.310 +AR Path="/62411C42/63E418C4" Ref="R?" Part="1"
1.311 +AR Path="/63E3F56E/63E418C4" Ref="R16" Part="1"
1.312 +F 0 "R16" V 3450 2800 50 0000 C CNN
1.313 +F 1 "1000R" V 3550 2800 50 0000 C CNN
1.314 +F 2 "" V 3580 2800 50 0001 C CNN
1.315 +F 3 "~" H 3650 2800 50 0001 C CNN
1.316 + 1 3650 2800
1.317 + 0 1 1 0
1.318 +$EndComp
1.319 +Wire Wire Line
1.320 + 4000 3100 4100 3100
1.321 +Wire Wire Line
1.322 + 3700 3100 2600 3100
1.323 +Wire Wire Line
1.324 + 3800 2800 4000 2800
1.325 +Wire Wire Line
1.326 + 3500 2800 2400 2800
1.327 +Text GLabel 1300 2500 0 50 Input ~ 0
1.328 +RED
1.329 +Text GLabel 1300 2800 0 50 Input ~ 0
1.330 +GREEN
1.331 +Text GLabel 1300 3100 0 50 Input ~ 0
1.332 +BLUE
1.333 +Connection ~ 2200 2500
1.334 +Wire Wire Line
1.335 + 2200 2500 1300 2500
1.336 +Connection ~ 2400 2800
1.337 +Wire Wire Line
1.338 + 2400 2800 1300 2800
1.339 +Connection ~ 2600 3100
1.340 +Wire Wire Line
1.341 + 2600 3100 1300 3100
1.342 +Text GLabel 7000 2400 2 50 UnSpc ~ 0
1.343 +~CSYNC_UHF
1.344 +$EndSCHEMATC