WFM 300A
C114
5
B2
B1
C119
5
B2
C1
C156
3
H5
I1
C187
2
B3
N1
C193
2
C4
O1
C197
2
B4
P1
C215
5
C1
B2
C218
5
C3
C2
C242
5
C5
G2
C243
5
B5
G2
C246
5
A5
G2
C255
4
E2
I2
C258
3
B5
I2
C290
2
C3
O1
C297
1
B1
P2
C310
5
C1
B2
C338
5
C5
F2
C342
5
C5
G2
C343
5
B5
G2
C348
4
E2
H3
C350
3
C4
I1
C353
3
E5
I2
C354
3
E5
I3
C355
3
E5
I3
C366
3
E3
K3
C370
2
G1
L3
C379
2
F4
M3
C391
1
E1
O2
C395
1
E1
P2
C399
1
E2
P3
C424
4
C4
C3
C436
4
F3
F3
C438
4
G2
F3
C446
3
F4
G3
C447
3
D2
H3
C448
4
D3
H3
C455
3
D5
I3
C460
3
D4
J2
C461
3
E4
J3
C462
3
D3
K4
C466
3
D3
K3
C467
3
C3
K3
C468
3
C4
K3
C469
2
H2
L3
C470
2
G2
L3
C479
3
G5
M3
C482
2
F3
N3
C486
1
F2
O3
C487
1
F2
O3
C497
1
B3
P3
C498
1
E2
P3
C516
4
C3
B3
C521
4
C5
C3
C538
4
F2
F4
C539
3
B1
F3
C540
3
B1
F3
C547
3
D1
H3
C554
3
C1
H4
C568
3
C3
K4
C573
2
G2
L4
C581
2
G4
M4
C582
2
G5
M4
C584
2
G5
N4
C589
3
G4
O4
C591
1
E2
O4
C594
1
E3
P4
C616
4
C4
B4
C622
4
C5
C5
C624
4
E5
D5
C634
4
E3
E4
C635
4
D3
F4
C636
4
E3
F4
C642
3
C2
G4
C643
3
C1
G4
C644
3
B2
G4
C645
3
F5
G4
C646
3
B2
G4
C647
3
E1
H4
C649
4
E2
H4
C652
4
D1
H4
C667
3
C3
K4
C672
3
C4
L4
C675
2
G2
L4
C684
2
F5
N4
C685
3
G5
N4
C686
3
H5
N4
C690
1
F4
O4
C692
1
F4
O4
C693
1
E3
P4
C694
1
E3
P4
C720
4
D5
C5
C734
3
D3
F5
C745
4
D2
G5
C746
4
D2
G5
C757
4
G5
I5
C763
3
C3
J5
C769
3
G3
K5
C772
3
H2
K5
C790
1
F5
O5
C791
1
F5
O5
C794
3
G4
P5
C796
1
E5
P5
C797
1
E5
P5
C820
3
C2
C5
C828
3
D2
D6
C834
4
F5
E6
C840
4
C1
G6
C848
4
H3
H6
C851
4
H4
H5
C852
4
G4
H6
C855
4
G3
I5
C856
4
G3
I6
C857
4
G3
I6
C860
3
F2
J6
C861
3
E3
J6
C862
3
F2
J6
C863
3
F2
K5
C864
3
F3
J5
C869
3
G2
K6
C870
3
G3
L6
C871
3
G2
L6
C873
3
G3
L6
C875
3
G2
L6
C876
3
H1
L5
C894
3
G5
P5
C926
4
E5
C6
C928
3
G4
D6
C929
4
F5
D6
C937
4
C1
F6
C944
4
C2
G6
C945
4
D2
G6
C946
3
H4
G6
C959
3
H4
I6
C963
3
F1
J6
C964
3
H5
K6
C989
3
H4
O6
C992
1
E4
O6
C994
1
E4
P6
C997
1
B4
P6
CR159
1
B5
J1
CR190
2
B4
O1
CR215
5
C2
B1
CR238
5
C4
F2
CR338
5
C4
F2
CR345
5
B4
G2
CR347
5
B4
G2
CR391
1
D1
O2
CR414
4
C3
B3
CR473
2
G2
L3
CR533
4
E3
E4
CR590
1
D3
O3
CR634
4
E3
E4
CR726
4
B1
D5
CR727
2
E4
D5
CR862
3
F1
J6
CR865
3
F2
J6
CR953
4
G3
H6
CR965
3
F2
K6
CR991
1
D4
O6
DS505
1
B4
A4
DS700
2
E4
A5
J131
4
A3
E1
J154
5
A3
H1
J158
1
B5
J1
J161
3
A3
J1
J180
2
B2
N5
J190
2
A4
Q1
J191
2
A4
Q1
J200
2
A1
M2
J216
5
D3
B1
J290
1
A2
Q2
J291
1
A1
Q2
J453
3
D5
I3
J500
5
C1
A3
J590
1
A3
Q4
J591
1
A3
Q4
J775
3
H1
L5
J843
4
D3
G5
J852
4
H4
H6
J857
4
H3
I6
J890
1
A4
Q5
J891
1
A4
Q6
J897
1
C5
P5
J973
3
H1
L6
J978
2
E1
M6
L210
5
C1
B2
L776
3
G1
L5
L876
3
G1
L6
P158
1
B5
P179
1
G4
P453
3
D5
P843
4
D2
P897
1
C5
Q116
5
B2
B1
Q167
1
C5
K1
Q191
2
C4
O1
Q121 *
5
A2
C1
Q214
5
B1
B2
Q221
5
C3
C2
Q222
5
C3
C2
Q256
3
C5
I1
Q263
2
D5
J2
Q350
3
C5
I2
Q351
4
E2
H3
Q352
3
E5
H3
Q355
3
C4
J3
Q358
3
D4
J3
Q393
1
E1
P2
Q397
1
B1
P2
Q415
4
C3
B3
Q421
4
C4
C3
Q432
4
D4
E3
Q433
4
E4
E3
Q434
4
E4
E3
Q445
4
F2
G3
Q463
3
D3
J2
Q464
3
D3
J2
Q465
3
E3
K2
Q466
3
D4
J3
Q470
2
G1
K3
Q471
2
G1
L3
Q483
2
F3
M2
Q490
1
F2
O3
Q513
4
C4
B4
Q518
4
C5
C4
Q525
4
D3
D4
Q548
3
B2
H4
Q553
3
D4
H4
Q555
3
C1
I3
Q556
3
E1
I4
Q562
3
E4
J3
Q563
3
B2
J4
Q568
3
C3
K4
Q570
2
G1
K4
Q579
2
F5
M4
Q581
2
F5
M4
Q593
1
E2
O4
Q597
1
B3
P4
Q632
4
E3
E4
Q663
3
B1
I4
Q673
3
B4
K4
Q689
1
F3
O4
Q737
4
B2
F5
Q747
4
D2
H5
Q751
4
G4
H5
Q753
4
G4
H5
Q755
4
H4
I5
Q764
3
F3
J5
Q771
3
G2
L5
Q772
3
H2
L5
Q773
3
G2
L5
Q790
1
F5
O5
Q840
4
D1
F6
Q842
4
D1
G6
Q846
4
D2
G6
Q851
4
G3
H6
Q857
4
H3
I6
Q859
3
E2
J5
Q860
3
F2
J6
Q878
2
D3
M5
Q897
1
B5
P6
Q898
1
B4
P6
Q961
3
F1
J6
Q971
3
G2
L6
Q972
3
G2
L6
Q973
3
G2
L6
Q993
1
E4
P6
R109
5
B2
B1
R110
5
B2
B1
R111
5
B3
B1
R113
5
B2
B1
R115
5
B2
B1
R117
5
B2
C1
R118
5
B2
C1
R120 *
5
A2
C1
R121 *
5
A2
C1
R142
5
C5
G1
R143
5
B5
G1
R159
1
B5
J1
R167
1
B5
K1
R168
1
B5
K1
R186
2
B5
N1
R187
2
B5
N1
R188
2
B4
N1
R189
2
C4
N1
R190
2
B3
O1
R192
2
C4
O1
R193
2
C4
O1
R194
2
B4
P1
R195
2
B4
P1
R196
2
C4
P1
R214
5
B1
B2
R217
5
C3
C2
R218
5
C3
C2
R219
5
C3
C1
R222
5
C1
C1
R225
4
E5
D1
R239
5
C5
F2
R242
5
B5
G1
R243
5
C5
G1
R253
3
C5
I2
R254
3
C5
I2
R255
4
E2
I2
R257
3
B5
I2
R258
3
C5
I2
R262
2
D5
J2
R263
2
D5
J2
R264
2
D5
J2
R267
1
G1
K2
R273
1
G5
L2
R274
1
G3
L2
R288
1
D2
N2
R289
1
D2
O2
R292
1
D1
O2
R293
2
B4
O1
R295
1
E1
P2
R297
1
B1
P2
R314
4
B4
B2
R315
4
B3
B2
R316
4
C3
B2
R317
4
B4
C2
R318
4
C4
C2
R319
4
C3
C2
R329
4
E4
E3
R333
4
E4
E3
R334
4
D4
E3
R343
4
G1
G3
R346
5
B5
G2
R353
3
E5
I2
R354
3
D5
I3
R355
3
C5
I3
R357
3
C4
J3
R358
3
E5
I3
R359
3
D5
I3
R360
3
C4
J3
R361
3
C4
K3
R362
3
C4
K3
R363
3
C4
J3
R364
3
D5
J3
R365
3
E5
J3
R366
3
D3
K3
R370
2
G1
L3
R373
2
F2
L3
R374
2
F2
L3
R379
2
F4
M3
R382
2
F3
N3
R383
2
F3
N3
R387
1
D2
O2
R388
1
D1
O2
R389
1
F2
O3
R391
1
D1
O2
R392
1
E1
O3
R395
1
E1
P2
R396
1
D1
P2
R397
1
B1
P2
R398
1
C1
P2
R399
1
D2
P3
R414
4
C3
B3
R415
4
C3
B3
R416
4
C4
B3
R425
4
D3
C3
R428
1
B3
D3
R429
4
D4
E3
R430
4
D4
E3
R434
4
E4
E3
R435
4
D4
E3
R436
4
F3
F3
R439
4
G2
F3
R444
4
F1
G3
R445
4
F2
G3
R446
3
D2
G3
R447
3
D2
H3
R448
4
D3
H3
R452
3
D4
I3
R453
3
E5
I3
R454
3
E5
I3
R455
3
E5
I3
R457
3
D4
I3
R458
3
D4
I3
R459
3
D4
I3
R460
3
E4
J3
R461
3
E4
J3
R462
3
D3
K4
R463
3
E4
J4
R464
3
E4
J4
R465
3
E4
J4
R466
3
D3
K3
R467
3
D3
K3
R468
3
D4
K4
R469
2
H1
L4
R470
2
G1
L3
R471
2
G1
L3
R472
2
G1
L3
R473
2
G2
L3
R474
2
F2
L3
R476
2
G3
M4
R477
2
F4
M3
R478
2
F4
M3
R479
2
F3
L3
R482
2
G3
N3
R483
2
G5
N3
R484
2
F3
N3
R485
2
G5
N3
R487
1
D3
O3
R488
1
D3
O3
R489
1
D4
O3
R490
1
D3
N3
R491
1
F2
O3
R492
1
E2
O3
R493
1
E2
O3
R495
1
E2
P3
R496
1
E2
P3
R497
1
B3
P4
R498
1
E2
P3
R500
2
G4
A4
R506
1
B3
A3
R507
1
B3
A3
R508
4
B3
A4
R513
4
C4
B3
R514
4
C3
B4
R515
4
C4
B4
R516
4
C4
B4
R517
4
C5
C4
R518
4
C5
C4
R519
4
C5
C4
R520
4
C5
C4
R521
4
B5
C3
R522
4
C4
C4
R523
4
C3
C4
R524
4
C4
C4
R525
4
D4
D4
R526
4
D4
D3
R527
4
D3
D4
R528
4
D3
D4
R529
4
D3
D4
R532
4
E4
E3
R533
4
E4
E4
R534
4
E4
E4
R535
4
F4
F4
R540
3
B1
F3
R541
3
B1
G3
R544
3
D1
G3
R547
3
D1
H3
R548
4
D3
H3
R549
4
E2
H3
R550
3
D5
H4
R551
4
D3
H4
R552
3
D4
I3
R553
3
D5
H4
R554
3
C1
H4
R555
4
D1
I4
R556
3
C1
I4
R557
3
E1
I4
R558
3
B2
I4
R560
3
E3
J4
R561
3
B2
J4
R562
3
B1
J4
R564
3
B2
J4
R565
3
C4
K3
R566
3
C4
K4
R567
3
C4
K4
R568
3
C4
K4
R569
3
C3
K4
R570
2
F1
L3
R571
2
G1
L4
R572
2
G1
L3
R573
2
G1
L4
R574
2
G2
L4
R575
2
G2
L4
R576
2
G3
M4
R577
2
F5
M4
R578
2
F5
M4
R579
2
G4
M4
R580
2
G4
M4
R581
2
G4
M3
R582
2
G4
M3
R583
2
F5
M4
R584
2
G5
N3
R585
2
F5
N4
R586
2
F4
N4
R590
1
D3
O3
R591
1
D2
O4
R593
1
E3
P3
R594
1
E3
P4
R595
1
D3
P4
R596
1
E3
P4
R597
1
D3
P4
R598
1
C3
P4
R621
4
C5
C4
R622
4
C5
C4
R628
4
B1
D4
R632
4
E4
E4
R634
4
E3
E4
R635
4
D3
F4
R636
4
E3
F4
R637
4
F2
F4
R638
3
B1
F4
R639
3
C1
F4
R640
3
C1
F4
R641
3
C1
F4
R642
3
C1
G4
R643
3
C2
G4
R644
3
C1
G4
R645
3
B2
G4
R646
3
B2
G4
R647
3
E1
G4
R648
3
E2
H4
R649
4
E2
H4
R650
4
F4
H5
R652
4
F2
N5
R654
4
D1
I4
R655
4
F4
I5
R666
3
B3
K4
R667
3
B3
K4
R672
3
C4
L4
R673
3
C4
L4
R675
2
F3
L4
R680
2
F5
M4
R683
2
F5
N4
R684
2
F5
N4
R689
1
E3
O4
R690
1
F3
O4
R691
1
E3
O4
R692
1
F3
O4
R693
1
E4
P4
R694
1
E3
P4
R696
1
C3
P4
R697
1
C3
P4
R698
1
E4
P4
R699
1
E5
P4
R704
2
F3
A5
R705
2
F3
A5
R719
4
D5
C5
R720
4
D5
C5
R728
2
E4
D5
R729
4
B1
E5
R730
2
E4
E5
R733
4
B2
F5
R734
4
C2
F6
R735
4
F5
E5
R736
4
B2
F5
R737
4
B2
F5
R738
4
B2
F5
R740
4
C2
G5
R741
4
C2
G5
R743
4
B2
G5
R745
4
E2
G5
R746
4
D2
G5
R750
4
G4
H5
R751
4
G4
H5
R752
4
F4
H5
R753
4
F4
I5
R754
4
H4
I5
R755
4
H4
I5
R756
4
G4
I5
R757
4
H5
I5
R758
3
C2
J5
R759
3
E3
J5
R760
3
C2
J5
R761
3
E2
J5
R762
3
C3
J5
R763
3
C2
J5
R764
3
E3
K
5
R765
3
E3
K5
R766
3
F3
K5
R767
3
B3
K5
R768
3
F1
K5
R769
3
G3
K5
R770
3
H3
K5
R771
3
H3
K5
R772
3
H2
K5
R773
3
H3
M5
R774
3
H3
L5
R775
3
G1
L5
R776
3
H1
L5
R790
1
F5
O5
R791
1
E5
O5
R792
1
F5
O5
R793
1
E4
O5
R794
1
D5
O5
R795
1
C3
P5
R796
1
E5
P5
R797
1
E5
P5
R798
1
C4
P5
R799
1
C4
P5
R800
2
F3
A6
R820
3
C3
C5
R821
3
C3
C6
R822
3
E2
C6
R823
3
C2
C6
R824
4
E5
C6
R828
3
D2
D5
R829
4
F5
D6
R830
3
D3
E5
R834
4
B1
E6
R835
4
C1
F6
R836
4
C1
F6
R837
4
B1
F6
R838
4
D1
F6
R839
4
D1
G6
R840
4
C1
G5
R841
4
C1
G6
R842
4
B2
G5
R843
4
C2
G5
R844
4
D2
G6
R845
4
D2
G6
R847
4
G2
H5
R849
4
G3
H6
R850
4
G4
H5
R851
4
G4
H5
R852
4
H3
I6
R853
4
G3
I6
R854
4
G4
I5
R855
4
G4
I5
R856
3
E2
J5
R857
4
H3
I6
R858
3
E2
J6
R859
3
E3
J5
R860
3
E2
J5
R861
3
F2
J5
R862
3
E2
J6
R863
3
F2
K5
R864
3
F3
K6
R865
3
F3
K6
R866
3
F3
K6
R867
3
F2
K6
R868
3
H2
K5
R869
3
H2
K5
R870
3
G3
L6
R871
3
H2
L5
R872
3
H2
L5
R873
3
G3
L6
R875
3
G1
L6
R876
3
G1
L6
R878
2
D3
M5
R879
2
D3
M5
R890
1
D5
N6
R891
1
D5
O5
R892
1
D5
O5
R893
1
D5
O5
R895
1
B5
P5
R896
1
B5
P5
R897
1
B5
P5
R898
1
C5
P6
R924
4
E5
C6
R925
4
D5
C6
R926
4
E5
C6
R929
3
E2
E6
R930
4
F5
E6
R936
4
B1
F6
R937
4
B1
F6
R940
4
D1
F6
R941
4
D1
F6
R942
4
C1
F6
R944
4
D2
G6
R947
4
H3
H6
R948
4
G3
H6
R953
4
G3
H6
R955
4
H3
I6
R956
4
H3
I6
R958
3
E2
J6
R959
3
F2
J6
R960
3
F2
J6
R963
3
F2
K6
R964
3
F2
K6
R965
3
G2
K6
R966
3
G2
K6
R967
3
G2
K6
R968
3
F2
K6
R969
3
G2
K6
R970
3
G3
L6
R972
3
G2
M6
R976
3
H1
M6
R991
1
D4
O6
R992
1
D4
O6
R993
1
E4
P6
R994
1
E4
P6
R996
1
D4
P6
R997
1
B4
P6
U115A
5
B2
B1
U115B
5
B2
B1
U121
5
A2
C1
U139
5
C4
F1
U146
5
A4
G1
U174A
4
B2
L1
U174B
4
B2
L1
U174C
1
G5
L1
U174D
1
G3
L1
U176A
1
G4
M1
U191A
2
C4
O1
U191B
2
C4
O1
U191C
2
B4
O1
U191D
2
B4
O1
U264A
2
C4
J2
U264B
2
D5
J2
U264C
1
G2
J2
U264D
1
G1
J2
U293A
1
E1
P2
U293B
1
F1
P2
U293C
1
D2
P2
U293D
1
D1
P2
U419A
4
C3
C3
U419B
4
C4
C3
U443
4
G1
F3
U452A
4
D2
H3
U452B
3
D5
H3
U458A
3
A1
I3
U458B
3
B1
I3
U458C
3
E4
I3
U458D
3
E4
I3
U479
2
G4
N3
U485A
2
F3
N3
U493A
1
E3
O3
U493B
1
F3
O
3
U493C
1
D3
O3
U493D
1
D3
O3
U495A
1
H1
P3
U495B
1
E2
P3
U535A
4
F4
F4
U535B
4
F3
F4
U544A
3
B1
G3
U544B
3
C1
G3
U544C
3
D1
G3
U544D
3
D1
G3
U544E
3
D1
G3
U574A
2
G2
L3
U574B
2
G2
L3
U574C
2
H2
L3
U574D
2
F2
L3
U588A
1
C2
N3
U588C
1
C5
N3
U588D
1
C3
N3
U615
4
B3
B4
U619A
4
D5
C5
U619B
4
C5
C5
U658A
4
F2
I4
U658B
4
E1
I4
U683
2
F5
N4
U733
3
D2
E5
U742
4
C2
F5
U781A
2
D2
M5
U781B
2
D1
M5
U781C
2
D1
M5
U781D
2
D2
M5
U794A
1
E5
P5
U794B
1
E3
P5
U826A
3
C2
D6
U826B
4
E5
D6
U826C
4
F5
D6
U826D
3
D2
D6
U833
4
E5
E5
U883A
2
C1
N6
U883B
2
C2
N6
U883C
2
C2
N6
U893A
1
E4
O6
U893B
1
F4
O6
U893C
1
D5
O6
U893D
1
D4
O6
U981A
2
D1
M5
U981B
2
D2
M5
U981C
2
D2
M5
U981D
4
E2
M5
VR190
2
C3
O1
VR366
3
E3
K3
VR391
1
E1
O2
VR591
1
E2
O4
VR675
2
G2
L4
VR840
4
D1
G5
VR948
4
G3
H6
VR992
1
E4
O6
W438
5
A3
F3
A3 MAIN BOARD Component Locator
* See Parts List for serial number ranges.
Summary of Contents for WFM 300A
Page 3: ......
Page 4: ......
Page 6: ......
Page 7: ......
Page 8: ......
Page 9: ......
Page 10: ......
Page 11: ...1 12...
Page 12: ......
Page 13: ......
Page 14: ......
Page 17: ......
Page 18: ...XX...
Page 19: ......
Page 20: ......
Page 21: ......
Page 22: ......
Page 23: ......
Page 24: ......
Page 25: ......
Page 26: ......
Page 29: ......
Page 30: ......
Page 31: ......
Page 32: ......
Page 33: ......
Page 34: ......
Page 35: ......
Page 36: ......
Page 37: ......
Page 38: ......
Page 39: ......
Page 40: ......
Page 41: ......
Page 42: ......
Page 43: ......
Page 44: ......
Page 45: ......
Page 46: ......
Page 47: ......
Page 48: ......
Page 49: ......
Page 50: ......
Page 51: ......
Page 52: ......
Page 53: ......
Page 54: ......
Page 56: ...WFM 300A Service Safety Summary S 2...
Page 57: ......
Page 58: ......
Page 59: ......
Page 60: ......
Page 61: ......
Page 62: ......
Page 63: ......
Page 64: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 68: ......
Page 69: ......
Page 70: ......
Page 71: ......
Page 72: ......
Page 73: ......
Page 74: ......
Page 75: ......
Page 76: ......
Page 77: ......
Page 78: ......
Page 79: ......
Page 80: ......
Page 81: ......
Page 82: ......
Page 83: ......
Page 84: ......
Page 85: ......
Page 86: ...WFM 300A THEORY OF OPERATION 4 24...
Page 87: ......
Page 88: ......
Page 89: ......
Page 90: ......
Page 91: ......
Page 92: ......
Page 93: ......
Page 94: ......
Page 95: ......
Page 96: ......
Page 97: ......
Page 98: ......
Page 99: ......
Page 100: ......
Page 101: ......
Page 102: ......
Page 103: ......
Page 104: ......
Page 105: ......
Page 106: ......
Page 107: ......
Page 108: ......
Page 109: ......
Page 110: ......
Page 111: ......
Page 112: ......
Page 113: ......
Page 114: ......
Page 115: ......
Page 116: ......
Page 117: ......
Page 118: ......
Page 119: ......
Page 120: ......
Page 121: ......
Page 122: ......
Page 123: ......
Page 124: ......
Page 125: ......
Page 126: ......
Page 127: ......
Page 128: ......
Page 129: ......
Page 130: ......
Page 131: ......
Page 132: ......
Page 133: ......
Page 134: ......
Page 135: ......
Page 136: ......
Page 137: ......
Page 138: ......
Page 179: ...REAR PANEL REAR PANEL WFM 300A COMPONENT COMPOSITE WAVEFORM MONITOR VERTICAL INPUT 1...
Page 183: ...TIMES 5 VERTICAL OUTPUT VERTICAL WFM 300A COMPONENT COMPOSITE WAVEFORM MONITOR...
Page 189: ...OUTPUTS WFM 300A COMPONENT COMPOSITE WAVEFORM MONITOR GBR COMPOSITE OUT 6...
Page 191: ...WFM 300A COMPONENT COMPOSITE WAVEFORM MONITOR...
Page 202: ......
Page 208: ...Replaceable Mechanical Parts 10 6 WFM 300A...
Page 209: ...WFM 300A FIG 1 EXPLODED VIEW A1 A3 A3A1 A3A2 A2 A4 A5...
Page 210: ...WFM 300A...
Page 211: ......
Page 212: ......