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Tektronix Manuals
Test Equipment
2246 1Y
Service manual
A16-Processor Board - Tektronix 2246 1Y Service Manual
Portable oscilloscope
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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CIRCUIT
SCHEM
CIRCUIT
NUMBER
NUMBER
NUMBER
C2514
BT2501
8
BT2502
8
C2515
C2516
C2300
11
C2517
C2301
11
C2518
C2302
11
C2521
C2303
11
C2522
C2304
14
C2523
C2524
C2305
11
C2525
C2306
11
C2307
11
C2526
C2308
11
C2530
C2309
11
C2531
C2310
11
C2532
C2311
14
C2541
C2312
14
C2543
14
C2544
C2313
C2314
14
C2545
14
C2315
C2546
C2316
14
C2547
C2317
14
C2548
C2318
11
C2549
C2319
14
C2550
C2320
C2551
11
C2321
14
C2552
C2553
C2322
11
C2323
11
C2554
C2324
11
C2555
C2401
14
C2402
14
CR2501
C2403
14
CR2502
C2404
14
CR2504
C2405
14
CR2505
C2406
14
C2407
14
DS2501
C2408
14
14
J2302
C2409
C2410
14
J2302
J2302
C2411
9
C2412
J2304
9
C2415
14
J2501
J2501
C2416
9
C2417
9
J2502
J2502
C2418
9
J2502
C2419
9
C2420
9
J2503
14
J2601
C2501
C2502
14
J2601
14
C2503
C2504
14
P2105
C2505
14
P2105
14
C2506
C2507
14
Q2501
14
Q2502
C2508
C2509
14
Q2503
14
Q2504
C2510
C2511
14
Q2505
A16— -PROCESSOR BOARD
CIRCUIT
SCHEM
SCHEM
NUMBER
NUMBER
NUMBER
8
Q2506
10
8
Q2507
8
8
8
R2301
11
R2302
11
8
10
R2303
11
R2304
11
10
10
R2305
11
11
10
R2306
10
R2307
11
11
10
R2308
14
R2309
14
14
R2310
11
14
R2311
11
R2312
14
11
R2313
10
11
10
R2314
11
R2315
11
10
10
R2316
11
10
R2317
11
R2318
11
10
10
R2319
11
R2320
11
10
8
R2321
11
R2322
11
8
8
R2324
11
R2325
8
11
8
R2328
11
R2329
11
8
R2330
11
8
R2331
11
R2332
11
8
8
R2333
11
R2334
11
R2335
11
8
11
R2336
9
R2337
11
11
R2338
11
14
R2339
11
11
R2340
11
R2341
11
10
14
R2342
11
8
R2343
11
R2344
11
9
14
R2345
11
R2346
10
11
11
R2347
11
14
R2348
11
R2349
11
11
R2350
11
14
R2351
11
R2352
11
R2355
11
10
R2356
11
10
R2357
11
10
R2361
11
10
10
R2362
11
SCHEM
CIRCUIT
CIRCUIT
NUMBER
NUMBER
NUMBER
R2363
11
R2540
R2364
11
R2542
11
R2546
R2365
R2400
9
R2547
R2401
9
R2548
R2402
9
R2549
R2404
9
R2550
R2405
9
R2551
R2406
9
R2552
R2407
9
R2553
R2408
9
R2554
R2409
9
R2555
R2410
9
R2560
R2411
9
R2561
R2412
14
R2562
R2413
9
R2563
R2414
R2564
9
R2415
9
R2416
9
U2300
R2417
9
U2300
R2418
9
U2301
R2419
9
U2301
R2420
9
U2302
R2421
9
U2302
R2501
8
U2303
R2502
8
U2303
R2503
8
U2304
U2304
R2504
8
R2505
8
U2305
R2506
8
U2305
R2507
8
U2306
R2508
8
U2306
8
U2308
R2509
R2510
8
U2308
U2309
R2511
8
R2512
8
U2309
R2513
8
U2313
8
U2313
R2514
R2515
8
U2314
U2314
R2516
8
R2517
8
U2400
R2518
8
U2400
R2519
8
U2401
R2520
8
U2401
U2402
R2521
8
R2522
8
U2402
R2523
8
U2403
R2524
8
U2403
U2404
R2525
10
8
U2404
R2526
R2527
8
U2405
U2405
R2528
10
R2529
10
U2406
R2532
10
U2406
R2534
10
U2407
R2536
10
U2407
U2408
R2538
10
SCHEM
CIRCUIT
SCHEM
NUMBER
NUMBER
NUMBER
10
U2408
14
10
U2409
9
10
U2409
14
10
U2410
9
U2410
14
10
10
U2411
9
U2411
14
10
U2412
10
9
10
U2412
14
10
U2413
9
8
U2413
14
U2414
9
8
8
U2414
14
8
U2415
9
8
U2415
14
8
U2416
9
8
U2416
14
U2417
9
11
U2417
14
14
U2501
8
14
11
U2501
14
U2502
8
U2502
14
11
14
U2503
8
U2503
14
11
14
U2506
8
11
U2506
14
14
U2512
8
11
U2512
14
14
U2513
8
11
U2513
14
U2514
14
8
11
U2514
14
14
U2515
8
11
U2515
14
14
U2517
8
U2517
14
11
14
U2518
8
14
11
U2518
14
U2519
8
9
U2519
14
U2521
14
8
9
U2523
10
14
14
U2523
U2524
10
9
14
U2524
14
U2525
10
9
14
U2525
14
9
W2105
11
14
14
9
W2105
14
9
Y2501
8
14
9
14
9
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Table of Contents
Troubleshooting
TROUBLESHOOTING
144
TROUBLESHOOTING EQUIPMENT
145
TROUBLESHOOTING HINTS BY DIAGRAM
158
TROUBLESHOOTING MEASUREMENT ERRORS
164
Measurement Error Troubleshooting Hints
165
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