Tektronix 2230

A1—
-MAIN BOARD (c
ont)
CIRCUIT SCHEM CIRCUIT
SCHEM
CIRCUIT
SCHEM CIRCUIT
SCHEM CIRCUIT
SCHEM
CIRCUIT
SCHEM
NUMBER NUMBER NUMBER NUMBER NUMBER
NUMBER
NUMBER NUMBER
NUMBER
NUMBER
NUMBER
NUMBER
R261 3 R385
4
R523
5
R779
7
R935 8
U426
4
R262 3 R386 4 R524
5
R780 7 R937
8
U426
10
R266 3
R389 4
R525
5
R782 7
R938
8
U460
4
R267
3
R390 4
R526
5
R783 7
R939
8
U460
10
R268 3 R392 4
R527
5
R785 7
R940
8
U501
4
R269 3 R393 4
R528
5
R786
7
R941
8
U501
10
R270 3 R395 4
R529
5 R787
7
R942
8
U502
5
R271 3 R397
8
R530 4
R788 7
R943 8
U502
10
R278 3 R398 8
R531 4
R789 7 R944
8
U504
5
R279 3 R399 4
R532
4
R792 7
R945
8 U504
10
R281
3
R411
4
R533 4
R793
7
R946 8
U506
5
R282 3
R412
4 R534
4
R796
10 R947
8
U506
10
R283 3 R413 4
R535 4 R797
10 R948
6
U532
5
R284
3 R414 4
R536 4
R799 10
R949
8
U532
10
R285
3 R415
4
R537
4
R800 9
R953 13
U537
2
R286 3 R416
4
R538
2 R604
9 R954
13 U537
9
R287
3
R417
-4
R539
2 R805 9 R964
10 U537
10
R288
3 R419
4
R540
2
R810
9 R965 9
U540
2
R289 3
R420 4 R541
2 R814
9 R966 10
U540
10
R292
3 R421
4
R542
4
R818
9
R976
9
U555
4
R293
3 R422 4
R543
4
R820 9
R978 9
U555
10
R301
4
R423 4
R544
2 R822
9 R7111
6
U565
4
R302 4
R424
4
R545
2
R823 9 R7117
5
U565
10
R303 4
R426
4
R546
4
R825 9
R7203
9 U758
7
R304 4
R427 4
R547
9
R826 9 R7204
9
U758
10
R305 4
R428
4
R548
9 R826 9
R7205
9
U930
8
R306
4
R429 4
R549
9 R830
9 R7206
9
U975
9
R307 4
R432
4
R550
4
R832 9 R7207
9 U7201
2
R309
4
R433 4
R551 4
R834
9
R7208 9
U7201
10
R310 4 R434
4
R552
4
R835 9
R7209
9
U7202
2
R311 4
R435 4
R553 4
R836 9
R7210
2 U7202
10
R312 4
R446 4
R554
6
R840
9 R7211
2
R314
4
R448
2
R555 4
R841
9 R7212
2
VR645
6
R315 4 R449
2
R556
4
R842
9
R7213 3
VR712
6
R317 4
R452 4
R558
4
R844
9 R7214
2 VR764
7
R318 4
R453 4
R560
4
R845 9
R7215 2
VR782 7
R319 4 R454
4
R561
4 R849
9 R7216
2
VR828
9
R321 4
R455 4
R562
4
R851
9
R7260
9 VR925
8
R322 4
R457
4 R564
4
R852
9
R7261 9
VR935
8
R324
4
R458 4
R565 4
R853
9 R7262
9
VR943 6
R326
4
R459
4
R566
7
R854
9
R7263
9 VR953
13
R327 4
R460 4
RS68
5
R858 9
R7301 7
VR954
13
R328 4
R461
4
R569
S
R860 9
R7360 4
R329 4
R462
4
R571
5
R870
9 R7361 4
W282 3
R330 4
R463 4
R572
5
R871
9
R7420 5
W283 3
R331 4 R464
4
R573
5
R872
9 R7421
5 W284
3
R332 4
R465 4
R574
5 R873
9
R7430 5 W335 4
R335
4
R467
4
R576
5
R874
9
R7431 5 W400
10
R336 4
R468 4
R577
5
R875 9
R7440
5 W408 10
R337 4
R469 4
R578
5
R877
9 R7441
5 W410
4
R339 4
R470 4
R580
5
R886
9 R7442
5 W419 4
R340
4
R471
4
R581
9
R888 9
R7470
5 W428
4
R342
4
R473 4
RS82
5
R889
9 R7471
5 W429
4
R343 4 R474
4
R583
9
R890
9
R9272 3 W453
4
R344 4
R476 4
R584
5 R891
9 R9273
3 W459
4
R346 4 R477
4
R585
5
R892 9 W494 10
R347
4
R478
4
R586
9 R893
9 RT236 3
W501
6
R349 4
R486 4
R590
9 R894
9
W502 5
R350 4 R487
4
R595
9
R905
8 S901
8 W503
5
R351 4 R494
10 R645
6
R906 8
W531
4
R352 4
R499
10
R646
6 R907
8 T350 4 W532
4
R353 4
R500
5
R648
6
R908 8
T390 8 W535
2
R354
4
R501
5 R649
6 R909
6
T906 8
W537
2
R355 4
R502
5
R675
6
R910
6 T944
8
W538
2
R356 4 R503
5 R676
7
R912
8
T948 9
W541
4
R357
4 R504
5
R756
7
R913
8
W542
10
R358 4
R505
5 R757
7
R914
8
TP397 4 W543
4
R359
4
R507
5 R758
7
R915
8
TP460
4
W544 10
R360 4
R509
5 R759
7
R916
8 TP537 2
W555
4
R361 4
R510
5
R760
7 R917
8
TP842 9
W556
10
R363 4
R511
• 5
R761
7
R919 8
TP940 8
W558
4
R365 4
R512
5 R764
7
R921
8
TP950 8
W560
4
R366 4
R513
5
R766 7
R922
8 W565
9
R367 4
R514
5
R768 7
R925
8
U130 2
W570
7
R369 4
R515
5
R770 7
R926
8 U180 2
W575
9
R372
4
R516
5
R773
7 R927
8
U225 3
W591
10
R374 4
R517
5
R775
7
R928
8 U225 10
W592
10
R381 4
R518
5
R776
7
R929
6
U310
4
W602
6
R382 4
R521
5 R777
7
R930 8
U335
4
W603
6
R384
4
R522
5
R778
7 R934
8
U350
4
W635
6