C133
7
A3
E1
C135
7
A2
E1
C148
10
A5
I1
C172
10
A5
K1
C173
9
G3
K1
C178
9
G5
L1
C192
10
A5
G2
C197
9
D5
N1
C198
9
C4
N1
C200
10
F3
A2
C206
10
F4
A2
C216
8
C4
C2
C220
8
C5
C2
C222
8
F2
C1
C223
8
D5
C2
C226
8
B3
D1
C227
8
E3
D2
C228
8
C3
D2
C232
7
A2
E1
C238
7
B2
F1
C258
10
B5
M3
C273
10
B5
K2
C297
7
G5
N2
C309
10
D4
B3
C321
8
F3
C3
C322
8
G3
D3
C330
8
D3
E2
C337
7
C2
G2
C338
10
B5
F3
C368
10
A5
K3
C375
10
A5
L2
C404
8
D4
B3
C406
8
E1
A4
C410
8
G4
B3
C412
10
D4
B3
C422
8
B1
C3
C424
8
C1
C3
C437
7
C2
G4
C438
7
C2
H4
C452
10
A5
K4
C488
10
B5
M3
C497
9
G1
N3
C498
9
A4
N3
C506
10
A5
A4
C507
10
B5
A4
C508
8
C1
A4
C514
8
E1
B4
C515
10
A5
B4
C518
10
A5
B4
C520
8
B2
C4
C521
8
C1
C4
C527
9
C4
D4
C538
9
D3
D4
C555
10
B5
G1
CR238
7
A2
F2
CR437
7
C2
G3
CR488
9
G2
M3
CR489
9
G1
N3
CR498
9
G1
N4
CR514
8
E1
B4
CR525
9
D4
D4
CR536
9
D3
E4
CR537
9
D3
E4
CR598
9
G1
N3
CS100
9
H1
J131
9
H2
L4
J161
7
H1
G4
J295
7
A3
N3
J303
10
H2
A3
J352
10
B1
E4
J419
8
A1
C3
J498
9
H1
N3
Q210
10
G3
B2
Q211
10
F3
B2
Q297
9
D5
N2
Q298
9
C3
N2
Q411
10
C4
B3
Q423 *
9
E5
D3
Q426
9
D3
D3
Q428
9
C3
E3
Q437
7
C2
G3
Q509
8
D4
B3
Q525 *
9
C4
D3
Q526 *
9
C4
D4
Q572
9
E2
I4
R126
8
B3
D1
R130
8
C3
E1
R131
8
C3
E1
R197
9
D5
N1
R198
9
C3
N1
R199 *
9
D5
N2
R200
10
F4
A1
R201
10
F4
A1
R202
10
F4
A2
R203
10
C3
A2
R204
10
C3
A2
R205
10
C4
A2
R206
10
C3
A1
R207
10
C4
B1
R208
10
F3
B2
R209
10
F2
B2
R210
10
D3
B2
R211
10
F3
B2
R212
10
F3
B2
R213
10
F3
B2
R214 *
9
C3
N2
R215
8
C4
C2
R216
10
D3
B2
R217 *
9
C4
D4
R218
8
C5
C1
R219
8
C5
C2
R221 *
9
D5
D3
R222
8
D5
C1
R224
8
F2
D2
R227
8
E3
D2
R232
7
A2
E2
R233
7
A2
E2
R234
7
A3
E2
R235
7
A3
E2
R236
7
B2
E2
R246
7
D1
K3
R252
10
B2
H2
R297
7
G5
N2
R300
10
F3
A2
R301
10
H2
F4
R309
10
E4
B3
R313
10
C3
B3
R314
10
E5
B4
R315
10
D4
B3
R321
8
F3
C3
R322
8
G3
C3
R330
8
D3
E2
R337
7
C2
G3
R348
9
C2
F1
R360
7
E2
L3
R361
9
G2
F2
R382
7
G4
M2
R383
7
G4
M2
R384
7
G4
M3
R385
7
G5
M2
R386
7
G4
M2
R387
7
G4
M2
R388
7
G4
M3
R389
7
G4
M3
R390
7
G4
M3
R397
9
H1
N3
R404
8
D4
A3
R405
8
G4
B3
R406
8
F1
A3
R408
10
D5
B3
R409
8
D4
B3
R410
8
D4
B3
R411
10
D4
B3
R412
10
D3
B2
R413
10
C4
B3
R414
10
C5
B3
R415
8
F1
B4
R416
8
F1
B4
R417
8
F1
B4
R418
8
F1
B3
R421 *
9
E5
D4
R422
8
A1
C3
R423 *
9
E5
C3
R424
8
B1
C3
R425
8
B2
C4
R426
9
E3
C4
R427
9
E4
C4
R436
7
C1
G3
R488
9
A4
M3
R489
9
A4
M3
R506
8
E1
A4
R507
8
E1
A4
R508
8
E2
A4
R514
8
F1
B4
R517
8
C1
B4
R519
8
C1
C4
R520
8
A2
C4
R521 *
9
E4
D4
R523 *
9
D4
D4
R525 *
9
C4
D4
R526
9
D4
D4
R527
9
C4
D4
R528
9
C4
D4
R529
9
D4
D4
R532
9
D3
E4
R533
9
C3
E4
R538
9
D3
F4
R566
9
E2
I4
R567
9
E3
I4
R568
9
F2
I4
R569
9
E3
I4
R571
9
F2
I2
U100
7
E1
I2
U137
7
A2
F1
U152
9
B1
F2
U160
9
D1
I2
U202A
10
F3
A2
U202B
10
F4
A2
U213A
10
F3
B1
U213B
10
E3
B1
U213C
10
E4
B1
U213D
10
F3
B1
U218A
8
C4
C2
U218B
8
C5
C2
U223A
8
D5
C2
U223B
8
F3
C2
U226A
8
E3
D3
U226B
8
B3
D3
U230
8
C3
D2
U238
7
A3
E2
U252
10
C2
H2
U255
9
C2
I4
U260
9
C1
I4
U268
9
E1
J2
U275
9
F2
K2
U283
9
F4
L2
U288
7
F4
M2
U300A
7
C5
F4
U300B
7
D5
F4
U300C
10
G2
F4
U300D
7
D5
F4
U309
10
D4
A2
U313A
10
D3
B2
U313B
10
D4
B2
U317A
8
F3
C2
U317B
8
G3
C2
U334
7
B2
E2
U338
7
B2
E2
U343
7
D2
H4
U352A
9
F2
F2
U352B
9
B2
F2
U352C
9
B3
F2
U352D
9
B2
F2
U360
7
E1
K4
U368B
7
F3
K4
U368C
7
D4
K4
U368D
7
D4
K4
U375A
7
G3
K3
U375B
7
G3
K3
U375C
7
G3
K3
U375D
7
F3
K3
U417
8
F1
B4
U422A
8
D3
D3
U422B
8
E4
D3
U422C
8
F4
D3
U422D
10
B4
D3
U423 *
9
E5
D3
U425
8
B1
C4
U428A
8
G2
D3
U428B
8
F4
D3
U434A
9
A2
E3
U434B
9
A2
E3
U451
7
E3
G2
U463
7
F1
J4
U485A
7
H5
M4
U485B
7
H4
M4
U485C
7
H4
M4
U485D
7
H4
M4
U493A
9
H1
N4
U493B
9
H2
N4
U493C
9
G1
N4
U493D
9
G1
N4
U502C
8
D1
A4
U502D
8
G2
A4
U510
8
E1
B4
U514
8
C1
B4
U523A
9
D4
D4
U523B
9
D4
D4
U523D
9
E4
D4
U525 *
9
C4
D4
U526 *
9
D4
D4
U533A
9
C4
E4
U533B
7
G3
E4
U533C
9
D2
E4
U533D
9
C3
E4
U560
7
E4
F4
U565
9
D2
H4
U595
9
F1
M4
VR518
8
B2
B4
Y440
7
C2
G4
A4 Control Board Component Locator
(with cross-references to schematic diagrams 7, 8, 9, and 10)
WFM 300A
A4 Control Board
Static Sensitive Devices
See Maintenance Section
* See parts list for serial number ranges.
Summary of Contents for WFM 300A
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Page 56: ...WFM 300A Service Safety Summary S 2...
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Page 86: ...WFM 300A THEORY OF OPERATION 4 24...
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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...
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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...
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