1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
EESchema Schematic File Version 2
LIBS:power,device,transistors,conn,linear,regul,74xx,cmos4000,adc-dac,memory,xilinx,special,microcontrollers,dsp,microchip,analog_switches,motorola,texas,intel,audio,interface,digital-audio,philips,display,cypress,siliconi,contrib,valves
EELAYER 23 0
EELAYER END
$Descr A4 11700 8267
Sheet 3 3
Title "JDM - COM84 PIC Programmer with 13V DC/DC converter"
Date "15 apr 2008"
Rev "2"
Comp "KiCad"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Connection ~ 9100 3200
Wire Wire Line
9100 3200 9100 3050
Wire Wire Line
4850 4750 4850 5100
Wire Wire Line
5700 1250 6100 1250
Wire Wire Line
5700 1250 5700 1200
Connection ~ 8650 3200
Wire Wire Line
8650 3200 8650 3150
Wire Wire Line
7100 1600 6550 1600
Wire Wire Line
7400 2900 7350 2900
Wire Wire Line
7650 3300 7650 3200
Wire Wire Line
8000 2900 7900 2900
Wire Wire Line
8300 3100 8300 3200
Wire Wire Line
9350 6500 9300 6500
Wire Wire Line
9300 6500 9300 6250
Wire Wire Line
9300 6250 8650 6250
Wire Wire Line
9650 6750 9500 6750
Wire Wire Line
9650 6250 9500 6250
Connection ~ 1400 6850
Wire Wire Line
1600 6900 1600 6850
Wire Wire Line
1600 6850 1350 6850
Wire Wire Line
10150 6250 10150 5950
Wire Wire Line
9100 6000 8700 6000
Wire Wire Line
8700 6000 8700 5750
Wire Wire Line
8950 6900 9100 6900
Wire Wire Line
9100 6900 9100 6600
Wire Wire Line
9100 6600 9150 6600
Wire Wire Line
8700 6600 8500 6600
Wire Wire Line
8500 6600 8500 6700
Wire Wire Line
8000 6700 7900 6700
Wire Wire Line
7900 6700 7900 6900
Wire Wire Line
7900 6900 8550 6900
Wire Wire Line
7350 6750 7350 6700
Wire Wire Line
7350 6700 7500 6700
Wire Notes Line
11050 5050 11050 7000
Wire Notes Line
11050 5050 5650 5050
Wire Wire Line
8700 5750 8650 5750
Wire Wire Line
9300 5650 9300 5750
Wire Notes Line
5650 5050 5650 7000
Wire Notes Line
5650 7000 11050 7000
Wire Wire Line
10150 6750 10150 6800
Connection ~ 9950 6000
Wire Wire Line
9950 6000 9950 5950
Wire Wire Line
7650 5300 7650 5250
Wire Wire Line
10700 6050 10700 6000
Wire Wire Line
10700 6000 10650 6000
Connection ~ 10150 6000
Wire Wire Line
10250 6000 9500 6000
Wire Wire Line
1700 3700 2250 3700
Wire Wire Line
3900 4200 2250 4200
Wire Wire Line
2250 4200 2250 3700
Connection ~ 3400 6650
Wire Wire Line
3400 6600 3400 6650
Connection ~ 3200 6650
Wire Wire Line
3600 6650 3100 6650
Wire Wire Line
4150 6750 4150 6650
Wire Wire Line
4150 6650 4100 6650
Wire Wire Line
3200 6650 3200 6700
Connection ~ 1950 6650
Wire Wire Line
1950 6700 1950 6650
Wire Wire Line
2300 6650 1850 6650
Wire Wire Line
1400 6900 1400 6850
Wire Wire Line
1450 6650 1350 6650
Wire Wire Line
8350 1600 7600 1600
Wire Wire Line
6300 4750 5350 4750
Wire Wire Line
6200 3150 5350 3150
Wire Wire Line
5150 1700 4950 1700
Wire Wire Line
5450 1400 5450 1500
Wire Wire Line
5450 1400 5500 1400
Connection ~ 6100 1400
Wire Wire Line
6250 1400 6000 1400
Wire Wire Line
6100 1250 6100 1400
Wire Wire Line
6550 1200 6550 1100
Wire Wire Line
6550 1600 6550 1650
Wire Wire Line
6550 2600 6550 2650
Wire Wire Line
6550 2150 6550 2200
Wire Wire Line
3250 5100 2100 5100
Wire Wire Line
2100 5100 2100 3500
Wire Wire Line
2100 3500 1700 3500
Wire Wire Line
2450 3800 2450 3150
Wire Wire Line
2450 3800 1700 3800
Wire Wire Line
2850 1700 2250 1700
Wire Wire Line
2250 1700 2250 3600
Wire Wire Line
2250 3600 1700 3600
Wire Wire Line
2450 3150 3250 3150
Connection ~ 5400 3150
Wire Wire Line
4800 4200 5400 4200
Wire Wire Line
5400 4200 5400 3150
Wire Wire Line
4850 5100 4800 5100
Wire Wire Line
4450 1700 4400 1700
Wire Wire Line
4850 3150 4800 3150
Connection ~ 3200 5100
Wire Wire Line
3200 5150 3200 5100
Wire Wire Line
3850 5050 3850 5200
Connection ~ 3850 5100
Wire Wire Line
3750 5100 3900 5100
Connection ~ 3200 3150
Wire Wire Line
3200 3200 3200 3150
Wire Wire Line
3850 3100 3850 3250
Connection ~ 3850 3150
Wire Wire Line
3750 3150 3900 3150
Connection ~ 2800 1700
Wire Wire Line
2800 1750 2800 1700
Wire Wire Line
3450 1650 3450 1800
Connection ~ 3450 1700
Wire Wire Line
3350 1700 3500 1700
Wire Wire Line
7900 2900 7900 2650
Wire Wire Line
8150 3200 9200 3200
Connection ~ 8300 3200
Wire Wire Line
5450 1500 5850 1500
Wire Wire Line
5850 1500 5850 2900
Wire Wire Line
5850 2900 6950 2900
Wire Wire Line
7050 1850 7050 1600
Connection ~ 7050 1600
Wire Wire Line
5700 800 5700 750
Wire Wire Line
5700 750 6100 750
Wire Wire Line
6100 750 6100 700
Wire Wire Line
7800 1500 7800 1600
Connection ~ 7800 1600
$Comp
L PWR_FLAG #FLG013
U 1 1 48553F47
P 9100 3050
F 0 "#FLG013" H 9100 3320 30 0001 C C
F 1 "PWR_FLAG" H 9100 3280 30 0000 C C
1 9100 3050
1 0 0 -1
$EndComp
$Comp
L PWR_FLAG #FLG014
U 1 1 48553F27
P 7800 1500
F 0 "#FLG014" H 7800 1770 30 0001 C C
F 1 "PWR_FLAG" H 7800 1730 30 0000 C C
1 7800 1500
1 0 0 -1
$EndComp
Text GLabel 6300 4750 2 60 Output
CLOCK-RB6
Text GLabel 6200 3150 2 60 Output
DATA-RB7
Text GLabel 8350 1600 2 60 Output
VPP/MCLR
Text GLabel 9200 3200 2 60 Output
VCC_PIC
$Comp
L C C9
U 1 1 464AD280
P 5700 1000
F 0 "C9" H 5750 1100 50 0000 L C
F 1 "22OnF" H 5750 900 50 0000 L C
1 5700 1000
1 0 0 -1
$EndComp
$Comp
L VCC #PWR015
U 1 1 4639BB04
P 8650 2550
F 0 "#PWR015" H 8650 2650 30 0001 C C
F 1 "VCC" H 8650 2650 30 0000 C C
1 8650 2550
1 0 0 -1
$EndComp
$Comp
L JUMPER JP1
U 1 1 4639BAF8
P 8650 2850
F 0 "JP1" H 8650 3000 60 0000 C C
F 1 "JUMPER" H 8650 2770 40 0000 C C
1 8650 2850
0 1 1 0
$EndComp
$Comp
L DIODESCH D11
U 1 1 4639BA28
P 7150 2900
F 0 "D11" H 7150 3000 40 0000 C C
F 1 "BAT43" H 7150 2800 40 0000 C C
1 7150 2900
-1 0 0 1
$EndComp
$Comp
L VCC #PWR016
U 1 1 4639BA17
P 8300 2700
F 0 "#PWR016" H 8300 2800 30 0001 C C
F 1 "VCC" H 8300 2800 30 0000 C C
1 8300 2700
1 0 0 -1
$EndComp
$Comp
L GND #PWR017
U 1 1 4639B9EB
P 7650 3700
F 0 "#PWR017" H 7650 3700 30 0001 C C
F 1 "GND" H 7650 3630 30 0001 C C
1 7650 3700
1 0 0 -1
$EndComp
$Comp
L LED D12
U 1 1 4639B9EA
P 7650 3500
F 0 "D12" H 7650 3600 50 0000 C C
F 1 "YELLOW-LED" H 7650 3400 50 0000 C C
F 4 "YELLOW-LED" H 7700 3650 40 0000 C C
1 7650 3500
0 1 1 0
$EndComp
$Comp
L R R21
U 1 1 4639B9E9
P 7900 3200
F 0 "R21" V 7980 3200 50 0000 C C
F 1 "470" V 7900 3200 50 0000 C C
1 7900 3200
0 -1 -1 0
$EndComp
$Comp
L R R20
U 1 1 4639B9B3
P 7650 2650
F 0 "R20" V 7730 2650 50 0000 C C
F 1 "2.2K" V 7650 2650 50 0000 C C
1 7650 2650
0 -1 -1 0
$EndComp
$Comp
L R R19
U 1 1 4639B9B0
P 7650 2900
F 0 "R19" V 7730 2900 50 0000 C C
F 1 "2.2K" V 7650 2900 50 0000 C C
1 7650 2900
0 -1 -1 0
$EndComp
$Comp
L PNP Q3
U 1 1 4639B996
P 8200 2900
F 0 "Q3" H 8350 2900 60 0000 C C
F 1 "BC307" H 8104 3050 60 0000 C C
1 8200 2900
1 0 0 1
$EndComp
$Comp
L VCC #PWR018
U 1 1 4638AB33
P 7400 2650
F 0 "#PWR018" H 7400 2750 30 0001 C C
F 1 "VCC" H 7400 2750 30 0000 C C
1 7400 2650
1 0 0 -1
$EndComp
Text Notes 9700 6500 0 50 ~
ADJUST for VPP = 13V
$Comp
L POT RV1
U 1 1 443D0101
P 9500 6500
F 0 "RV1" H 9500 6400 50 0000 C C
F 1 "1K" H 9500 6500 50 0000 C C
1 9500 6500
0 -1 -1 0
$EndComp
$Comp
L R R18
U 1 1 44369638
P 7350 1600
F 0 "R18" V 7430 1600 50 0000 C C
F 1 "220" V 7350 1600 50 0000 C C
1 7350 1600
0 -1 -1 0
$EndComp
$Comp
L GND #PWR019
U 1 1 442AABC2
P 6550 2650
F 0 "#PWR019" H 6550 2650 30 0001 C C
F 1 "GND" H 6550 2580 30 0001 C C
1 6550 2650
1 0 0 -1
$EndComp
$Comp
L PWR_FLAG #FLG020
U 1 1 442A8330
P 1600 6900
F 0 "#FLG020" H 1600 7170 30 0001 C C
F 1 "PWR_FLAG" H 1600 7130 30 0000 C C
1 1600 6900
-1 0 0 1
$EndComp
Text Label 1850 3800 0 60 ~
DTR
Text Label 1850 3700 0 60 ~
CTS
Text Label 1850 3600 0 60 ~
TXD
Text Label 1850 3500 0 60 ~
RTS
Text Notes 850 6500 0 60 ~
8 to 15V
NoConn ~ 6650 5750
$Comp
L DIODESCH D10
U 1 1 442A6026
P 9300 6000
F 0 "D10" H 9300 6100 40 0000 C C
F 1 "SCHOTTKY" H 9300 5900 40 0000 C C
1 9300 6000
1 0 0 -1
$EndComp
$Comp
L R R10
U 1 1 442A5F83
P 8250 6700
F 0 "R10" V 8330 6700 50 0000 C C
F 1 "5,1K" V 8250 6700 50 0000 C C
1 8250 6700
0 -1 -1 0
$EndComp
$Comp
L C C4
U 1 1 442A5F61
P 8750 6900
F 0 "C4" H 8800 7000 50 0000 L C
F 1 "0" V 8800 6800 50 0000 L C
1 8750 6900
0 -1 -1 0
$EndComp
$Comp
L LT1373 U4
U 1 1 442A5E20
P 7650 6000
F 0 "U4" H 8250 6500 60 0000 C C
F 1 "LT1373" H 7150 6500 60 0000 C C
1 7650 6000
1 0 0 -1
$EndComp
Text Notes 6150 5200 0 60 ~
VPP (13V) power
$Comp
L GND #PWR021
U 1 1 442A58DF
P 10150 6800
F 0 "#PWR021" H 10150 6800 30 0001 C C
F 1 "GND" H 10150 6730 30 0001 C C
1 10150 6800
1 0 0 -1
$EndComp
$Comp
L R R16
U 1 1 442A58DC
P 9900 6250
F 0 "R16" V 9980 6250 50 0000 C C
F 1 "62K" V 9900 6250 50 0000 C C
1 9900 6250
0 -1 -1 0
$EndComp
$Comp
L R R15
U 1 1 442A58D7
P 9900 6750
F 0 "R15" V 9980 6750 50 0000 C C
F 1 "6.2K" V 9900 6750 50 0000 C C
1 9900 6750
0 -1 -1 0
$EndComp
NoConn ~ 6650 6250
$Comp
L GND #PWR022
U 1 1 442A58B8
P 9150 6600
F 0 "#PWR022" H 9150 6600 30 0001 C C
F 1 "GND" H 9150 6530 30 0001 C C
1 9150 6600
0 -1 -1 0
$EndComp
$Comp
L C C5
U 1 1 442A58B1
P 8900 6600
F 0 "C5" H 8950 6700 50 0000 L C
F 1 "10nF" V 9050 6450 50 0000 L C
1 8900 6600
0 -1 -1 0
$EndComp
$Comp
L PWR_FLAG #FLG023
U 1 1 442A5893
P 9950 5950
F 0 "#FLG023" H 9950 6220 30 0001 C C
F 1 "PWR_FLAG" H 9950 6180 30 0000 C C
1 9950 5950
1 0 0 -1
$EndComp
$Comp
L VCC #PWR024
U 1 1 442A5882
P 9300 5650
F 0 "#PWR024" H 9300 5750 30 0001 C C
F 1 "VCC" H 9300 5750 30 0000 C C
1 9300 5650
1 0 0 -1
$EndComp
$Comp
L GND #PWR025
U 1 1 442A5852
P 10700 6050
F 0 "#PWR025" H 10700 6050 30 0001 C C
F 1 "GND" H 10700 5980 30 0001 C C
1 10700 6050
1 0 0 -1
$EndComp
$Comp
L CP C3
U 1 1 442A584C
P 10450 6000
F 0 "C3" H 10500 6100 50 0000 L C
F 1 "22uF/25V" H 10500 5900 50 0000 L C
1 10450 6000
0 -1 -1 0
$EndComp
$Comp
L VPP #PWR34
U 1 1 442A5846
P 10150 5950
F 0 "#PWR34" H 10150 6150 40 0001 C C
F 1 "VPP" H 10150 6100 40 0000 C C
1 10150 5950
1 0 0 -1
$EndComp
$Comp
L GND #PWR026
U 1 1 442A580B
P 7350 6750
F 0 "#PWR026" H 7350 6750 30 0001 C C
F 1 "GND" H 7350 6680 30 0001 C C
1 7350 6750
1 0 0 -1
$EndComp
$Comp
L VCC #PWR027
U 1 1 442A57CB
P 7650 5250
F 0 "#PWR027" H 7650 5350 30 0001 C C
F 1 "VCC" H 7650 5350 30 0000 C C
1 7650 5250
1 0 0 -1
$EndComp
$Comp
L INDUCTOR L1
U 1 1 442A57BE
P 9000 5750
F 0 "L1" V 8950 5750 40 0000 C C
F 1 "22uH" V 9100 5750 40 0000 C C
1 9000 5750
0 -1 -1 0
$EndComp
NoConn ~ 1700 3900
NoConn ~ 1700 3400
NoConn ~ 1700 3300
NoConn ~ 1700 3200
$Comp
L GND #PWR028
U 1 1 442A50C2
P 7050 2350
F 0 "#PWR028" H 7050 2350 30 0001 C C
F 1 "GND" H 7050 2280 30 0001 C C
1 7050 2350
1 0 0 -1
$EndComp
$Comp
L R R17
U 1 1 442A50BF
P 7050 2100
F 0 "R17" V 7130 2100 50 0000 C C
F 1 "22K" V 7050 2100 50 0000 C C
1 7050 2100
1 0 0 -1
$EndComp
$Comp
L VCC #PWR029
U 1 1 442A50B3
P 3400 6600
F 0 "#PWR029" H 3400 6700 30 0001 C C
F 1 "VCC" H 3400 6700 30 0000 C C
1 3400 6600
1 0 0 -1
$EndComp
$Comp
L GND #PWR030
U 1 1 442A5095
P 4150 7150
F 0 "#PWR030" H 4150 7150 30 0001 C C
F 1 "GND" H 4150 7080 30 0001 C C
1 4150 7150
1 0 0 -1
$EndComp
$Comp
L LED D9
U 1 1 442A5084
P 4150 6950
F 0 "D9" H 4150 7050 50 0000 C C
F 1 "GREEN-LED" H 4150 6850 50 0000 C C
F 4 "GREEN LED" H 4200 7100 40 0000 C C
1 4150 6950
0 1 1 0
$EndComp
$Comp
L R R14
U 1 1 442A5083
P 3850 6650
F 0 "R14" V 3930 6650 50 0000 C C
F 1 "470" V 3850 6650 50 0000 C C
1 3850 6650
0 -1 -1 0
$EndComp
$Comp
L GND #PWR031
U 1 1 442A5057
P 3200 7100
F 0 "#PWR031" H 3200 7100 30 0001 C C
F 1 "GND" H 3200 7030 30 0001 C C
1 3200 7100
1 0 0 -1
$EndComp
$Comp
L CP C1
U 1 1 442A5056
P 3200 6900
F 0 "C1" H 3250 7000 50 0000 L C
F 1 "100uF" H 3250 6800 50 0000 L C
1 3200 6900
1 0 0 -1
$EndComp
$Comp
L GND #PWR032
U 1 1 442A5050
P 2700 6950
F 0 "#PWR032" H 2700 6950 30 0001 C C
F 1 "GND" H 2700 6880 30 0001 C C
1 2700 6950
1 0 0 -1
$EndComp
$Comp
L 7805 U3
U 1 1 442A504A
P 2700 6700
F 0 "U3" H 2850 6504 60 0000 C C
F 1 "7805" H 2700 6900 60 0000 C C
1 2700 6700
1 0 0 -1
$EndComp
$Comp
L GND #PWR033
U 1 1 442A5023
P 1950 7100
F 0 "#PWR033" H 1950 7100 30 0001 C C
F 1 "GND" H 1950 7030 30 0001 C C
1 1950 7100
1 0 0 -1
$EndComp
$Comp
L CP C2
U 1 1 442A501D
P 1950 6900
F 0 "C2" H 2000 7000 50 0000 L C
F 1 "220uF" H 2000 6800 50 0000 L C
1 1950 6900
1 0 0 -1
$EndComp
$Comp
L GND #PWR034
U 1 1 442A500F
P 1400 6900
F 0 "#PWR034" H 1400 6900 30 0001 C C
F 1 "GND" H 1400 6830 30 0001 C C
1 1400 6900
1 0 0 -1
$EndComp
$Comp
L DIODE D1
U 1 1 442A500B
P 1650 6650
F 0 "D1" H 1650 6750 40 0000 C C
F 1 "1N4004" H 1650 6550 40 0000 C C
1 1650 6650
1 0 0 -1
$EndComp
$Comp
L CONN_2 P1
U 1 1 442A4FE7
P 1000 6750
F 0 "P1" V 950 6750 40 0000 C C
F 1 "CONN_2" V 1050 6750 40 0000 C C
1 1000 6750
-1 0 0 1
$EndComp
$Comp
L LED D8
U 1 1 442A4F5D
P 6550 2400
F 0 "D8" H 6550 2500 50 0000 C C
F 1 "RED-LED" H 6550 2300 50 0000 C C
F 4 "Low Current Led" H 6600 2550 40 0000 C C
F 5 "RED LED" H 6550 2250 40 0000 C C
1 6550 2400
0 1 1 0
$EndComp
$Comp
L R R9
U 1 1 442A4F52
P 6550 1900
F 0 "R9" V 6630 1900 50 0000 C C
F 1 "2.2K" V 6550 1900 50 0000 C C
1 6550 1900
1 0 0 -1
$EndComp
$Comp
L VPP #PWR23
U 1 1 442A4F48
P 6550 1100
F 0 "#PWR23" H 6550 1300 40 0001 C C
F 1 "VPP" H 6550 1250 40 0000 C C
1 6550 1100
1 0 0 -1
$EndComp
$Comp
L VPP #PWR22
U 1 1 442A4F44
P 6100 700
F 0 "#PWR22" H 6100 900 40 0001 C C
F 1 "VPP" H 6100 850 40 0000 C C
1 6100 700
1 0 0 -1
$EndComp
$Comp
L PNP Q2
U 1 1 442A4F30
P 6450 1400
F 0 "Q2" H 6600 1400 60 0000 C C
F 1 "BC307" H 6354 1550 60 0000 C C
1 6450 1400
1 0 0 1
$EndComp
$Comp
L R R7
U 1 1 442A4F2A
P 6100 1000
F 0 "R7" V 6180 1000 50 0000 C C
F 1 "10K" V 6100 1000 50 0000 C C
1 6100 1000
1 0 0 -1
$EndComp
$Comp
L R R11
U 1 1 442A4F23
P 5750 1400
F 0 "R11" V 5830 1400 50 0000 C C
F 1 "22K" V 5750 1400 50 0000 C C
1 5750 1400
0 -1 -1 0
$EndComp
$Comp
L GND #PWR035
U 1 1 442A4F1C
P 5450 1900
F 0 "#PWR035" H 5450 1900 30 0001 C C
F 1 "GND" H 5450 1830 30 0001 C C
1 5450 1900
1 0 0 -1
$EndComp
Text Label 2300 1700 0 60 ~
VPP_ON
$Comp
L NPN Q1
U 1 1 442A4EB9
P 5350 1700
F 0 "Q1" H 5500 1700 50 0000 C C
F 1 "BC237" H 5252 1850 50 0000 C C
1 5350 1700
1 0 0 -1
$EndComp
Text Label 2350 5100 0 60 ~
PC-CLOCK-OUT
$Comp
L GND #PWR036
U 1 1 442A4E06
P 1700 4000
F 0 "#PWR036" H 1700 4000 30 0001 C C
F 1 "GND" H 1700 3930 30 0001 C C
1 1700 4000
0 -1 -1 0
$EndComp
Text Label 2700 4200 0 60 ~
PC-DATA-IN
Text Label 2500 3150 0 60 ~
PC-DATA-OUT
$Comp
L GND #PWR037
U 1 1 442A4DB3
P 2800 2250
F 0 "#PWR037" H 2800 2250 30 0001 C C
F 1 "GND" H 2800 2180 30 0001 C C
1 2800 2250
1 0 0 -1
$EndComp
$Comp
L GND #PWR038
U 1 1 442A4DAE
P 3200 5650
F 0 "#PWR038" H 3200 5650 30 0001 C C
F 1 "GND" H 3200 5580 30 0001 C C
1 3200 5650
1 0 0 -1
$EndComp
$Comp
L GND #PWR039
U 1 1 442A4DAB
P 3200 3700
F 0 "#PWR039" H 3200 3700 30 0001 C C
F 1 "GND" H 3200 3630 30 0001 C C
1 3200 3700
1 0 0 -1
$EndComp
$Comp
L R R8
U 1 1 442A4D92
P 4700 1700
F 0 "R8" V 4780 1700 50 0000 C C
F 1 "1K" V 4700 1700 50 0000 C C
1 4700 1700
0 -1 -1 0
$EndComp
$Comp
L R R13
U 1 1 442A4D8D
P 5100 4750
F 0 "R13" V 5180 4750 50 0000 C C
F 1 "470" V 5100 4750 50 0000 C C
1 5100 4750
0 -1 -1 0
$EndComp
$Comp
L R R12
U 1 1 442A4D85
P 5100 3150
F 0 "R12" V 5180 3150 50 0000 C C
F 1 "470" V 5100 3150 50 0000 C C
1 5100 3150
0 -1 -1 0
$EndComp
$Comp
L GND #PWR040
U 1 1 442A4D75
P 4350 4500
F 0 "#PWR040" H 4350 4500 30 0001 C C
F 1 "GND" H 4350 4430 30 0001 C C
1 4350 4500
1 0 0 -1
$EndComp
$Comp
L 74LS125 U2
U 4 1 442A4D6B
P 4350 4200
F 0 "U2" H 4350 4300 50 0000 L B
F 1 "74HC125" H 4400 4050 40 0000 L T
4 4350 4200
-1 0 0 -1
$EndComp
$Comp
L VCC #PWR041
U 1 1 442A4D68
P 3850 4650
F 0 "#PWR041" H 3850 4750 30 0001 C C
F 1 "VCC" H 3850 4750 30 0000 C C
1 3850 4650
1 0 0 -1
$EndComp
$Comp
L GND #PWR042
U 1 1 442A4D67
P 3850 5600
F 0 "#PWR042" H 3850 5600 30 0001 C C
F 1 "GND" H 3850 5530 30 0001 C C
1 3850 5600
1 0 0 -1
$EndComp
$Comp
L GND #PWR043
U 1 1 442A4D66
P 4350 5400
F 0 "#PWR043" H 4350 5400 30 0001 C C
F 1 "GND" H 4350 5330 30 0001 C C
1 4350 5400
1 0 0 -1
$EndComp
$Comp
L DIODESCH D7
U 1 1 442A4D65
P 3850 5400
F 0 "D7" H 3850 5500 40 0000 C C
F 1 "BAT43" H 3850 5300 40 0000 C C
1 3850 5400
0 -1 -1 0
$EndComp
$Comp
L DIODESCH D6
U 1 1 442A4D64
P 3850 4850
F 0 "D6" H 3850 4950 40 0000 C C
F 1 "BAT43" H 3850 4750 40 0000 C C
1 3850 4850
0 -1 -1 0
$EndComp
$Comp
L R R6
U 1 1 442A4D63
P 3200 5400
F 0 "R6" V 3280 5400 50 0000 C C
F 1 "10K" V 3200 5400 50 0000 C C
1 3200 5400
1 0 0 -1
$EndComp
$Comp
L R R5
U 1 1 442A4D62
P 3500 5100
F 0 "R5" V 3580 5100 50 0000 C C
F 1 "10K" V 3500 5100 50 0000 C C
1 3500 5100
0 -1 -1 0
$EndComp
$Comp
L 74LS125 U2
U 3 1 442A4D61
P 4350 5100
F 0 "U2" H 4350 5200 50 0000 L B
F 1 "74HC125" H 4400 4950 40 0000 L T
3 4350 5100
1 0 0 -1
$EndComp
$Comp
L VCC #PWR044
U 1 1 442A4D60
P 3850 2700
F 0 "#PWR044" H 3850 2800 30 0001 C C
F 1 "VCC" H 3850 2800 30 0000 C C
1 3850 2700
1 0 0 -1
$EndComp
$Comp
L GND #PWR045
U 1 1 442A4D5F
P 3850 3650
F 0 "#PWR045" H 3850 3650 30 0001 C C
F 1 "GND" H 3850 3580 30 0001 C C
1 3850 3650
1 0 0 -1
$EndComp
$Comp
L GND #PWR046
U 1 1 442A4D5E
P 4350 3450
F 0 "#PWR046" H 4350 3450 30 0001 C C
F 1 "GND" H 4350 3380 30 0001 C C
1 4350 3450
1 0 0 -1
$EndComp
$Comp
L DIODESCH D5
U 1 1 442A4D5D
P 3850 3450
F 0 "D5" H 3850 3550 40 0000 C C
F 1 "BAT43" H 3850 3350 40 0000 C C
1 3850 3450
0 -1 -1 0
$EndComp
$Comp
L DIODESCH D4
U 1 1 442A4D5C
P 3850 2900
F 0 "D4" H 3850 3000 40 0000 C C
F 1 "BAT43" H 3850 2800 40 0000 C C
1 3850 2900
0 -1 -1 0
$EndComp
$Comp
L R R4
U 1 1 442A4D5B
P 3200 3450
F 0 "R4" V 3280 3450 50 0000 C C
F 1 "10K" V 3200 3450 50 0000 C C
1 3200 3450
1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 442A4D5A
P 3500 3150
F 0 "R3" V 3580 3150 50 0000 C C
F 1 "10K" V 3500 3150 50 0000 C C
1 3500 3150
0 -1 -1 0
$EndComp
$Comp
L 74LS125 U2
U 2 1 442A4D59
P 4350 3150
F 0 "U2" H 4350 3250 50 0000 L B
F 1 "74HC125" H 4400 3000 40 0000 L T
2 4350 3150
1 0 0 -1
$EndComp
$Comp
L VCC #PWR047
U 1 1 442A4D41
P 3450 1250
F 0 "#PWR047" H 3450 1350 30 0001 C C
F 1 "VCC" H 3450 1350 30 0000 C C
1 3450 1250
1 0 0 -1
$EndComp
$Comp
L GND #PWR048
U 1 1 442A4D3B
P 3450 2200
F 0 "#PWR048" H 3450 2200 30 0001 C C
F 1 "GND" H 3450 2130 30 0001 C C
1 3450 2200
1 0 0 -1
$EndComp
$Comp
L GND #PWR049
U 1 1 442A4D38
P 3950 2000
F 0 "#PWR049" H 3950 2000 30 0001 C C
F 1 "GND" H 3950 1930 30 0001 C C
1 3950 2000
1 0 0 -1
$EndComp
$Comp
L DIODESCH D3
U 1 1 442A4D25
P 3450 2000
F 0 "D3" H 3450 2100 40 0000 C C
F 1 "BAT43" H 3450 1900 40 0000 C C
1 3450 2000
0 -1 -1 0
$EndComp
$Comp
L DIODESCH D2
U 1 1 442A4D1B
P 3450 1450
F 0 "D2" H 3450 1550 40 0000 C C
F 1 "BAT43" H 3450 1350 40 0000 C C
1 3450 1450
0 -1 -1 0
$EndComp
$Comp
L R R2
U 1 1 442A4CFB
P 2800 2000
F 0 "R2" V 2880 2000 50 0000 C C
F 1 "10K" V 2800 2000 50 0000 C C
1 2800 2000
1 0 0 -1
$EndComp
$Comp
L R R1
U 1 1 442A4CF4
P 3100 1700
F 0 "R1" V 3180 1700 50 0000 C C
F 1 "10K" V 3100 1700 50 0000 C C
1 3100 1700
0 -1 -1 0
$EndComp
$Comp
L 74LS125 U2
U 1 1 442A4CC8
P 3950 1700
F 0 "U2" H 3950 1800 50 0000 L B
F 1 "74HC125" H 4000 1550 40 0000 L T
1 3950 1700
1 0 0 -1
$EndComp
$Comp
L DB9 J1
U 1 1 442A4C93
P 1250 3600
F 0 "J1" H 1250 4150 70 0000 C C
F 1 "DB9-FEMAL" H 1250 3050 70 0000 C C
1 1250 3600
-1 0 0 1
$EndComp
$EndSCHEMATC