A A ND B T R IG G E R S YS TE M D IA G R A M 3
(SN B 710100 A ND A B O VE, 2246 1Y
SN B 110100 AN D A B O VE, 2 246 M O D A)
ASSEMBLY A10
CIRCUIT
NUMBER
SCHEM
LOCATION
BOARD
LOCATION
CIRCUIT
NUMBER
SCHEM
LOCATION
BOARD
LOCATION
C421
1H
2G
Q470
5K
1H
C422
2H
3H
Q474
7K
IF
C423
2H
2G
Q480
8L
IF
C424
2H
3G
Q1101
5E
5J
C425
2J
2G
011 02
4E
5J
C426
2D
3H
01103
5F
5J
C432
1L
2G
01104
3E
5J
C444
2L
2F
011 05
3E
5J
C447
3L
2F
Q1106
3F
5J
C451
6G
1G
C452
7H
2H
R401
2C
3F
C453
8G
1G
R402
2C
3F
C454
7G
1G
R403
3L
3J
C455
6H
1G
R410
1M
3G
C462
6L
1G
R411
1M
3G
C463
6L
IF
R412
2M
3G
C474
6K
IF
R413
2M
3G
C476
7K
IF
R414
6M
3H
C477
7L
IF
R415
6L
2G
C478
8K
IE
R416
6L
2G
C483
3B
2F
R417
6M
2H
C484
4B
3G
R420
2E
2G
C485
8B
2H
R421
1H
2G
C487
3B
3F
R422
2H
2G
C 488*
8B
2G
R423
2H
3G
C489
4B
3G
R424
2H
3G
C 496*
8B
2G
R425
2H
2G
C l 103
3A
4J
R426
2D
2H
C l 105
3E
5K
R430
2K
2G
C l 106
3H
4G
R431
IK
2F
C l 107
3H
4G
R432
2L
2G
C1110
3D
3G
R440
1L
2G
C l 111
3H
4G
R441
1L
2H
C l 114
5E
4J
R442
IK
2H
C l 130
4G
4G
R443
IK
2H
C l 143*
4H
4H
R444
2K
3H
C l 154
6F
4G
R445
2L
2F
C l 155
6G
4G
R446
2M
3F
R447
3L
2F
CR432
IK
2G
R448
3L
2F
CR462
6K
1G
R449
2M
3F
R450
6E
1G
DL22
6M
2K
R451
7G
1G
DL22
6M
2H
R452
7G
1G
R453
8H
2G
L426
2D
3H
R454
7H
2G
L432
2L
2G
R455
6D
1H
L462
6K
1G
R456
6F
1G
R460
6K
1G
Q440
1L
2H
R461
6K
1G
Q444
2L
2F
R462
6L
1G
Partial A10 also shown on diagrams 1, 2, 4,
5, 6, 7
and 13.
CIRCUIT
NUMBER
R463
R470
R471
R472
R473
R474
R475
R476
R477
R478
R479
R483
R484
R485
R486
R487
R490
R491
R492
R493
R494
R495
R496
R497
R498
R1103
R1104
R1105
R1106
R1110
R im
R1112
R1113
R1114
R1115
R1116
R1117
R1118
R1120
R1121
R1122
R1123
R1124
R1125
R1126
R1127
R1128
R1131
R1132
R1133
R1134
SCHEM
LOCATION
6L
6L
5K
5K
6K
6K
8K
8L
8L
7L
7L
3B
8K
8L
8L
8L
3B
4B
4B
4B
7B
7B
8B
8B
3B
3D
3D
8J
8J
5E
4E
4E
4E
4F
4F
5F
4F
5F
3E
4E
3E
4E
4F
3F
3F
4F
3F
3G
3H
3H
3J
BOARD
LOCATION
IF
1G
1H
1H
1H
1H
IF
IF
IF
IF
IF
3F
IE
IF
IE
IF
2J
3J
3J
2J
2J
2J
2J
2J
3J
3G
4G
5K
5K
4K
5K
4K
5K
5K
4J
4J
3J
4J
5K
5K
5K
5K
5K
5J
5J
3J
5J
4G
4G
4H
4H
CIRCUIT
NUMBER
R1135
R1136
R1142
R1143
R1144
R1145
R1150
R1154
R1155
R1162
R1163
R1170
U421A
U421B
U421C
U431A
U431B
U431C
U441A
U441B
U441C
U441D
U441E
U441F
U442A
U442B
U442C
U1101A
U1101B
U1102A
U1102B
U1103
U1104A
U1104B
U1104C
U1106A
U1106B
U1106C
W401
W406
W413
W414
W1101
W1102
W1103
W 1106
W1108
SCHEM
LOCATION
4F
4F
3G
4G
3H
3H
2D
6F
6F
5A
5A
3A
1C
IK
1L
7D
6J
6L
4K
5K
7K
4K
2K
IK
6M
4K
1M
2E
6G
3G
3H
5B
3J
4G
6H
2B
8J
4J
2D
3J
1M
2M
5C
3D
6C
8J
3K
BOARD
LOCATION
4H
4H
4G
4H
4H
4H
3G
4G
4G
5K
5K
4J
3F
3F
3F
2F
2F
2F
1H
1H
1H
1H
1H
1H
2H
2H
2H
4G
4G
4G
4G
5K
4H
4H
4H
5L
5L
5L
4H
3H
3J
3J
5K
3J
5K
5L
5K
*See Parts List for
serial number ranges.
Summary of Contents for 2246 1Y
Page 13: ...2246A Service 7062 01 X The 2246 1Y or 2246 Mod A Portable Oscilloscope ...
Page 35: ......
Page 139: ......
Page 185: ......
Page 187: ......
Page 278: ...Figure 9 5b Detailed 2246 1Y or 2246 Mod A block diagram part 2 R E ...
Page 287: ......
Page 304: ...A D D J U N 1991 ...
Page 311: ...2246 1Y and 2246 Mod A Service WAVEFORMS FOR DIAGRAM 1 0 V r l III B f e I l i 6555 39 ...
Page 319: ......
Page 320: ......
Page 321: ...2246 1Y and 2246 Mod A Service WAVEFORMS FOR DIAGRAM 2 SET READOUT CONTROL CCW OFF 6555 40 ...
Page 323: ......
Page 324: ......
Page 326: ...A B C P E F G ...
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Page 340: ......
Page 343: ...C l rti ...
Page 347: ...BEV JUNE 1991 7062 18 ...
Page 349: ...2246 1Y and 2246 Mod A Service WAVEFORMS FOR DIAGRAM 6 6555 43 I ...
Page 355: ...I BOARD LOCATION 8K 8J 8H 7H 8H 8H 7J 8D 7H 8H 8J 8J 7K 8K 10D 6L 6K 6L 6K 6G 5H I ...
Page 362: ......
Page 372: ...2246 1Y and 2246 Mod A Service WAVEFORMS FOR DIAGRAM 9 MORE ...
Page 373: ... 6555 72 6557 88 ...
Page 375: ......
Page 380: ...WAVEFORMS FOR DIAGRAM 10 ...
Page 387: ...WAVEFORMS FOR DIAGRAM 11 6555 73 6557 48 ...
Page 394: ...WAVEFORMS FOR DIAGRAM 12 2246 1Y and 2246 Mod A Service i f I S 1 f c i 4 i ...
Page 395: ...WAVEFORMS FOR DIAGRAM 12 cont 2246 1Y and 2246 Mod A Service ...
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Page 400: ...REV JUNE 1991 7062 39 ...
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Page 406: ...B 2246 IV AND 2246 MOD A ...
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Page 414: ... _ 5 ...
Page 415: ...2246 1Y 2246 MOD A ...
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Page 423: ...2246 1Y 2246 MOD A ...
Page 424: ...2246 1Y 2246 MOD A ...
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