WFM 601A/E/M SERIAL COMPONENT MONITOR
LM311
+8V
R189
332
R175
332
C90
.1UF
+40V
VERTICAL DEFLECTION
R141
332
R142
332
SQUARE WAVE
R101
33.2K
C177
.1UF
CAL_LEVEL
G1
22
CALIBRATOR
R271
1.00K
R274
10.0K
R272
4.99K
R100
12.1K
2
3
1
4
1
1
U47A
MC34004
CAL_TIMING
+8V
-8V
Q20
A3
20
1.096V
+.783V
-.313V
C128
33PF
R273
3.32K
R157
332
R158
332
R159
332
R161
332
R164
332
R163
332
R144
332
R143
332
R160
332
R162
332
+8V
-8V
2
3
1
8
4
U64A
MC34002
R190
332
R178
332
R176
332
R177
332
R179
332
R191
332
R192
332
R181
332
R194
332
R193
332
TO CRT
VERT
DEFL
PLATES
BLUE
BROWN
J7
J11
H2
27
L2
4.7UH
R168
100K
Q16
R180
301
R205
5.62K
R245
1.00K
R244
1.00K
R224
4.75K
R246
2.21K
5
6
7
U64B
MC34002
+8V
L1
4.7UH
R242
1.50K
Q10
R169
301
3
2
1
8
4
U57A
MC34002
5
6
7
U57B
MC34002
H+
H-
+8V
-8V
G4
18
C192
.1UF
+5V
12
13
14
6
1
1
1
6
7
8
U99A
MC14053
-8V
C_OFFSET_V
C_OFFSET_SEL
R417
2.74K
R416
562
G4
22
G3
20
+Y_AUDIO
-Y_AUDIO
C3
23
R328
20.0K
R327
10.0K
2
3
1
8
4
U84A
MC34002
R329
4.75K
+8V
-8V
G3
20
R346
20.0K
R345
10.0K
15
14
1
6
U66D
DG444
FLAT
/AUX3
Y_AUDIO
D1
16
B2
16
R344
1.50K
C184
47PF
FILTER MUX
C183
113PF
LUM
R406
332
R250
100K
GND
1
IN7
2
GND
3
IN6
4
GND
5
IN5
9
GND
10
IN4
11
GND
12
IN3
13
GND
14
IN2
15
GND
16
IN1
20
GND
21
IN0
22
GND
23
A0
31
A1
30
A2
29
OUT
35
VEE 38
GND 36
VCC2
34
VCC
33
STRT
43
250
42
BCOMP
37
COMP
27
BRES 32
OFFSET 26
OFFSET 25
U67
L9
.8-1.2UH
F2
16
R407
100K
NC
NC
R253
15.0K
V_GAIN
V_MAG_0
V_MAG_1
+8V
R380
100
G4
20
H5
22
VERTICAL
AMPLIFIER
GND
8
VIN+
11
VIN-
9
GND
12
GAIN
7
G0
2
G1
3
POS
19
ROIN+
44
ROIN-
42
RO/WFM
40
IOUT+
31
IOUT-
30
VOUT+ 29
VOUT- 33
LIMIT
37
GND
25
AUXOUT-
24
22
COMPB
26
COMP2
38
COMP1
6
AUXGAIN
17
GND
16
AUXIN-
15
AUXIN+
13
VCC
5
VCC1
39
VEE1
35
VEE
18
LFCOMP 36
U55
TP8
C92
100PF
CRT
GAIN
FREQ
RESP
Y-ALIGN
C91
7-50PF
R183
200
R182
200
R195
75.0
R197
100
R206
390
C84
100PF
-8V
R198
100
-8V
R210
100
NC
C97
.1UF
C85
.1UF
C86
.1UF
-8V
+8V
+8V
R196
100
R382
100K
C98
.01UF
NC
R252
10.0
C122
.1UF
C121
.1UF
C120
1UF
C100
.1UF
V_POS
V_RO_SEL
CHROM_GAIN
+8V
-8V
+8V
+
G2
22
G4
20
H3
22
C189
22UF
R229
11.0K
AUX
R213
75.0
2
3
1
1
2
1
3
4
5
U66A
DG444
10
11
9
U66C
DG444
FILTER_SEL0
LTNG_Y
PIX_VSWEEP
/AUX0
DIFF_STEP
EYE_SIGNAL
AUX
+8V
+5V
-8V
G3
20
D1
18
G3
20
H2
16
C2
23
R355
20.0K
R330
20.0K
+TIME_CODE
-TIME_CODE
R353
10.0K
6
5
7
U88B
MC34002
R354
10.0K
G3
20
R311
4.75K
7
6
8
U66B
DG444
R312
1.50K
FILTER_SEL1
FILTER_SEL2
/AUX1
/AUX2
G3
20
G4
20
R150
2.74K
R228
11.0K
R217
11.0K
R216
18.2K
R226
18.2K
R227
18.2K
R211
1.82K
R212
4.75K
+8V
-8V
-8V
-8V
C190
82PF
-8V
U55
1
29
39
40
C76
.1UF
+8V
28
-8V
18
6
7
17
C127
.1UF
C104
.1UF
C150
.1UF
-8V
-8V
-8V
9
10
8
U47C
MC34004
C119
.1UF
C112
.1UF
C157
.1UF
R132
1.50K
R131
1.50K
R133
1.50K
+8V
+8V
+8V
+4.7V
U67
1
6
17
18
7
O
R149
3.92K
V_RO_SIG
FROM U47D
PIN 12
18
R347
5.62K
V_RO_SIG
TIME_CODE1
+5V
+8V
-8V
B2
19
H3
21
3
2
7
6
8
1
4
5
U89
NI
R331
100K
NI
R332
100
NI
R333
100K
NI
C164
.1UF
NI
28
29
39
40
PART OF A3 MAIN BOARD
VERTICAL OUTPUT
17
Summary of Contents for WFM 601A
Page 4: ......
Page 10: ...Table of Contents vi WFM 601A WFM 601E WFM 601M Service Manual ...
Page 16: ...Service Safety Summary xii WFM 601A WFM 601E WFM 601M Service Manual ...
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Page 35: ...Specifications 1 14 WFM 601A WFM 601E WFM 601M Service Manual ...
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Page 44: ...Installation 2 8 WFM 601A WFM 601E WFM 601M Service Manual ...
Page 54: ...Operating Information 2 18 WFM 601A WFM 601E WFM 601M Service Manual ...
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