Tektronix 2445A - Page 269

2455A CHANNEL SWITCH AND OUTPUT AMPLIFIERS DIAGRAM 6
ASSEMBLY A1
CIRCUIT
SCHEM BOARD CIRCUIT SCHEM
BOARD CIRCUIT SCHEM
BOARD
CIRCUIT SCHEM
BOARD
NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION
NUMBER LOCATION
LOCATION
NUMBER LOCATION LOCATION
C402
3F
6G
J511 4A 1D
R491 1E
3K
R822 5B SE
C403
2J 6J J511
5A 1D
R492 2E
4L
R823 5K 9E
C404 2H
5J J512 10N 1J
R493
2E 3L
R850 6J 10G
C412 2F
5G J512
4N
1J
R494
2D 3L
R855
6K BF
C478 3E 4L
J512
9A
1J
R495 2F
4K
R856 6L 10E
C487 2C 4L J512 9N
1J
R496
1D
3L
R858 6K 10E
C488 2C 3L
R497
4D 6L
R860 6K 10D
C601 2K
SJ L605
2L
6J
R498
3D
5K
R903 7H 7K
C617 4L 6H
L606
2K 6K R500 9B
1K
R956 9K SL
C625 1M 7G L607
2K
6H
R501 10B
1K
R957
BL
BK
C735
6H SE L608 2L 6H
R600
4M 7K
R972
9N
10L
C803 6L 9G L609 2K 6J
R601 2K
5J
R973 9M 10L
C804
6M
9G
L610 2K 6H R602
2L 5J
R983 7G 7L
C805 7M
9G
L619 4M
7G
R605 2L
5J
R984
7G 7L
C806 5M 9F
L628
3M
SJ
R606 2K 6J
R995 98 SL
caos 5M 9G
L633
2M
BJ
R607 2K
6H
C809
5M
BG L644 3M 7K
R610 2K
5H S615
4K 10B
C817 5C BF R614
4H BF
CB22 5B
9E 0600 4J 5K
R615
4K 10B
U400
1F
5F
CB23 5K 7E 0623 1M 7H R617
4L 6H
U475A
3D 4K
C957
9K BL 0624 1 L 8H R61B
4L
6H U475B
3D 4K
C972 9N 10L R619
4M
7H U475C
1D 4K
C995 98 BL
R401
3F 6G
R620
4N BH
U475D 3E
4K
R402 3F
6G
R622 4L
7H U485A
2D 4L
CR476 3E 4K R403
2H 5J
R623
1 L
7H
U485B
2D 4L
CR484 3D 4L R404
3J 6J
R624
1M 7G
U485C 2C 4L
CR485 3C 4L R405
2J 6J
R637
3L
BK U485D 2C 4L
CR495 2E 3L R410 2J
6J
R638 3L
7K U600
1L
7J
CR600
4J
7K R412 2F
5G
R639 3J
7K U735A 5J
9E
CR601
3M BK R416 2F 4F
R642 4J
5K U735B
6H 9E
CR616 4G 7L R417'
2F 4G
R650 4J
5K
U735C
6H 9E
CR619 4M 7G R470
4C 4L
R659 3K
7K
U735D
6H 9E
CR620 3N SH R471
3D
4L
R731
5H
SE
U735E 6H 9E
CR621 3N SH R476 3F
4K
R732 6H
9E
UBOO 4M 9F
CR956 9L BL R477
3E 3K
R733 6J
9F U860C
6K 7G
CR966 8M 10L
R47B 3E 4K
R734 6J
9F U950
7M 9L
CR972 9M 10L R479
2E 5K
R735 6H
SF U975A
4D 7L
CR995 9B SL R480 2D 3K
RBOO 7L 9G
U975C
7G 7L
R4B1
3D
4L R801
7K 9G U9BOB BG
7L
DL100 1G 6F R482 3D
4L
RB02 5L
9G U980C
7G 7L
R4B3 2D 5L RB03
5L 9G
J191
BK 10L R4B4 3D 4L RB04 6M
9G
W106 9A BM
J191 BN 10L
R4B5 4C 4L RB05
6M 9G
W141 7C 10G
J191
9A 10L R4B6 2C 4L RB06
7M 9G
W141 7F 10G
J411 10A 1 L R4B7
2C 4L
RB09 6M BG
W91B
6N
BG
J411
2A
1 L
R488
2C 4L
R817 5C
BF
W919 6N
9G
J411 4A 1 L
R4B9 2B 3L
RB20 5K
7F
J411
9N
1L R490 1C 4K
RB21
5K
7E
Parrial A 1 also shown on diagrams 4, 5, 8 and 11
ASSEMBLY A9
P191 BK 4B R1833 BJ 1C
R1842 BJ
1C
R1834
BJ
1B
Partial A9 also shown on diagrams 8 and 12
ASSEMBLY A14
C3401 7C
28 R3402 8D
1B R340B 6E
2B U3402
5E
2B
R3403 5D 2A
R3409 6D
2B
J141
5E
2C R3404 BE 2B
R3410 6C
2A
J141
7C 2C R3405
6C 2A
R3411 6C
2B
VR3401
5C 2A
R3406
6C 2B
R3401
7E IA R3407
6E 2A
U3401
7E
1B
OTHER PARTS
J6 9A CHASSIS P106 9A CHASSIS P141
7C
CHASSIS
W916
2N CHASSIS
P141 5F CHASSIS
W917 3N CHASSIS
S(j