WFM 601A/E/M SERIAL COMPONENT MONITOR
R138
10.0
R136
2.74K
C72
.1UF
+100V
C73
.1UF
HORIZONTAL DEFLECTION
7
6
8
U63B
DG444
FLD_RETR
D4
20
SWEEP GENERATORS
FLD_SWP_SPD
R83
100K
G2
22
C101
.1UF
R231
82.5K
2
3
1
4
1
1
U39A
MC34004
HRETRACE
+8V
+8V
-8V
-8V
2
3
1
8
4
U62A
AD712
C55
.1UF
HORIZONTAL
SIGNAL MUX
2
3
1
1
2
1
3
4
5
U63A
DG444
R202
3.32K
R201
620
PIX_VSWEEP
+5V
+8V
-8V
B4
17
+5V
5
3
4
9
U94C
MC14053
R165
2.21K
R170
2.21K
Q8
R124
100K
R151
100K
R137
100K
R139
392
2
3
1
CR8
R122
392
R184
100K
R200
100K
Q15
TO CRT
DEFL
PLATES
HORIZ
J10
J8
H2
27
C94
0.7PF
C88
6.8PF
GREEN
RED
R171
182
R172
100K
R152
0 OHM
R477
562
C78
0.7PF
R166
182
C93
6.8PF
R167
100K
-8V
-8V
-8V
12
13
14
6
1
1
1
6
7
8
U94A
MC14053
R218
620
15
14
1
6
U63D
DG444
-8V
-8V
R219
3.32K
R230
18.2K
10
11
9
U63C
DG444
10
11
9
U59C
DG444
R383
8.25K
R384
825
6
5
7
U62B
AD712
C105
2200PF
D3
20
6
5
7
U39B
MC34004
R86
100K
D3
22
C56
.1UF
R476
11.0K
R474
390
LN_SWP_SPD
G2
22
H_SIG_SEL0
H_SIG_SEL1
H_SIG_SEL2
/3XFH_SWEEP
G3
20
NC
NC
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U60
74HCT138
+5V
7
6
8
U59B
DG444
LTNG_X
B2
16
-3.0V
C79
.1UF
R154
1.50K
R155
332
R186
10.0
R364
221
-8V
R153
100K
Q12
Q11
VR4
C95
.1UF
R173
332
R365
221
R185
100K
Q14
Q13
E2
17
HORIZONTAL AMPLIFIER
H+
R187
2.00K
R203
1.21K
R204
8.25K
R475
390
R366
18.2K
-8V
Q28
R367
100K
C181
.01UF
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
U56
H_GAIN
WFM_H_POS
C83
100PF
H3
22
H1
22
C82
680PF
15
14
1
6
U59D
DG444
7
6
8
U70B
DG444
10
11
9
U70C
DG444
X_HORZ_SEL
R220
562
C198
680PF
R221
562
G4
20
6
5
7
U84B
MC34002
R324
20.0K
R326
10.0K
R342
20.0K
R343
10.0K
+X_AUDIO
-X_AUDIO
C3
23
R321
1.50K
R323
4.75K
H5
21
13
12
14
U47D
MC34004
R128
1.50K
R130
1.50K
R148
2.74K
R129
3.92K
H_RO_SIG
+8V
+8V
R156
562
R102
27.4K
H_RO_SEL
H_MAG_SEL0
H_MAG_SEL1
H_POS
C178
100PF
G2
20
H4
22
G4
20
C81
.1UF
C89
.1UF
C96
.1UF
OFFSCREEN
-8V
+8V
+8V
+8V
R140
5.62K
OFFSCREEN
H-
+5V
-8V
Q9
D3
20
R174
3.32K
R188
2.00K
E2
17
PIX_INT
D3
24
R111
1.82K
C185
22PF
R392
1.82K
C186
47PF
L10
15UH
+8V
-8V
C187
47PF
R113
3.32K
R394
10.0K
3
2
6
7
4
8
1
U98
AD810
R393
301
NC
R357
2.74K
R110
6.81K
PIX_BK_LVL
+8V
-8V
-8V
G4
22
U56
1
6
28
29
39
40
C80
.1UF
PIX_CONTRAST
INT_VIDEO
+8V
D2
16
G4
22
C64
.1UF
6
5
7
U47B
MC34004
+4.7V
R112
39.2K
TO U47C
PIN 10
2
3
1
1
2
1
3
4
5
U59A
DG444
R339
1.00K
+8V
+8V
-8V
+5V
17
2
3
1
8
4
U88A
MC34002
R340
12.1K
R341
8.25K
EXT_HORZ
B4
23
-8V
7
17
18
PART OF A3 MAIN BOARD
HORIZONTAL
18
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 ...
Page 21: ......
Page 35: ...Specifications 1 14 WFM 601A WFM 601E WFM 601M Service Manual ...
Page 36: ......
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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Page 270: ...Replaceable Electrical Parts 8 98 WFM 601A WFM 601E WFM 601M Service Manual ...
Page 272: ...9 2 WFM 601A WFM 601E WFM 601M Service Manual ...
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