WFM 601M SERIAL COMPONENT MONITOR
+11V
+11A
R164
4.7
OUTPUT FILTERS
CR16
L4
47UH
C31
1000UF
C34
100UF
C
A
CR16
CR17
CR18
H
CAUTION:
ALL CIRCUITRY TO THE
MOUNTING
LEFT OF THE ISOLATION
BOUNDARY IS AT POWER LINE
POTENTIAL AND REQUIRES
AN ISOLATION TRANSFORMER
TO SERVICE.
C127
.0022UF
LINE RECTIFIER
MOUNTING
C126
.0022UF
REAR
PANEL
CHASSIS
BROWN
BLUE
90-250V
C75
.068UF
R123
5
GND
F1
2A
J12
J10
C71
330UF
C100
.068UF
CR33
CR32
CR34
CR35
R117
121K
R118
121K
DS7
SNUBBER
INSTALLED
NORMALLY
1 2
J7
P7
T8
C74
.022UF
C52
1UF
R88
1.2K
C66
.022UF
R166
475
R165
475
BOUNDARY
ISOLATION
H
H
7
14
13
16
15
10
11
3
4
5
2
6
1
12
T1
L3
4.7UH
L6
47UH
CR19
CR18
L5
47UH
C41
1000UF
CR17
C37
100UF
C32
100UF
C33
100UF
W2
0 OHM
R69
4.7
-11A
-11V
+40VA
+40V
+5V
-11V RAW
W4
0 OHM
TP4
G
A
R63
10.0
+5V
+5V
Q11
VR1
5.6V**
OVERVOLTAGE
PROTECTION
W1
0 OHM
R52
1.00K
+5D
+5VA
C21
10UF
+5V
+5V
+5V
R142
4.99K
6
5
7
U11B
TL072
R143
4.75K
Q21
R162
511
C35
330UF
C36
1000UF
C102
1000UF
C29
1000UF
C124
5600PF
R157
51.1K
C122
100PF
–5.2V BUCK
C101
.001UF
R127
100
R147
392
R153
10.0K
C120
680PF
CR45
INSTALLED
NORMALLY
1 2
J6
CR22
L7
4.7UH
CR25
C59
330PF
P6
R122
100K
C62
330UF
C51
1UF
CR23
R163
1.2K
+16V
R121
150K
+16VPRI
VR3
R120
100K
R137
100K
C104
10UF
Q16
5.6V
+RECTIFIED LINE
R119
150K
+6VC
TP3
LINE SIDE COMMON
OVERLOAD
TIME–OUT
CONTROLLER
C63
.1UF
C64
.1UF
R94
40.2K
+5VPRI
+16VPRI
COMP
1
VFB
2
ISEN
3
RT/CT
4
REF 8
VCC 7
OUT 6
GND 5
U6
UC3844
C110
10UF
6VC_PRESENT
C53
470PF
R140
100K
NO6V
SWITCHER
CR26
TP2
Q19
Q20
Q14
+5V
C115
.1UF
C123
.1UF
+5V
-11V RAW
R156
33.2K
R150
10.0K
3
2
1
8
4
U11A
TL072
R154
10.0K
R145
49.9
COMP
1
VFB
2
ISEN
3
RT/CT
4
REF
8
VCC
7
OUT
6
GND
5
U10
UC3843
R149
5.23K
R148
4.99K
C114
100UF
-5.2V
C113
1000UF
Q18
CR44
R141
6.04K
L9
47UH
R161
47.5
L10
100UH
TP5
K
K A G
Q11
R64
10.0
+5V
R62
100
DS6
PROTECTION,TOUCH
TO TEST OVERVOLT
NOTE:
R74 AND R78 TOGETHER
R70
3
+11V
+5V
C117
.1UF
C125
100UF
C116
.1UF
-11V RAW
+5V
R146
1.00K
R144
.51
NOT INSTALLED
R73
50K
+5V
R72
1.00M
C121
.1UF
-11V RAW
C119
2200PF
R155
22.1
C118
.001UF
R136
100K
BOUNDARY
ISOLATION
ERROR AMPLIFIER
H
R90
.51
R151
750
R152
1.00K
R91
1.00K
CR24
R97
10.0K
R93
22.1
C55
680PF
R92
1.00M
IF V > 1V = SHUTDOWN
+5VPRI
100KHZ
R98
3.74K
C60
2200PF
2.5V
R87
10.0K
+5VPRI
+5VPRI
+2 VOLTS
LESS THAN 2.5V = OVERLOAD
3
2
8
7
6
4
5
1
U9
TLC271
R110
22.1K
R114
33.2K
R100
301K
+5VPRI
C65
.1UF
C107
.1UF
CR38
R86
4.32K
ERROR VOLTAGE
MAG LATCH
(MEMORY)
+6VC
+6VC
CR42
R138
1.82K
POWER SWITCH OSCILLATOR
NC
R79
1.00K
1
2
5
4
6
U4
MOC1005
+5VPRI
BOUNDARY
ISOLATION
+5V
C109
.022UF
+5V ADJ
R134
1.21K
+5V
+5V
2.5V
C
R
A
C
R
A
C108
.1UF
3
2
8
7
6
4
5
1
U8
TLC271
3
2
1
U7
431C
WITH SCREWDRIVER TIP.
FOCUS
C40
100UF
R78
110K**
R135
64.9K
R74
64.9K
B4
D5
27
1
2
J5
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
J4
1
2
J9
-5.2V
CONNECTS
A3
MAIN
BOARD
TO J6
J4
+100V
+11V
-11V
+40V
+5V
26
ZAXIS
SECONDARY GROUND
TP1
TEST JUMPER
1
2
J3
C45
.1UF
C44
.0047UF
POWER_ON/OFF_MOMENTARY
BOUNDARY
ISOLATION
T2
R160
10.0
C54
.1UF
Q13
C47
.047UF
R124
22.1K
R82
22.1K
Q12
R84
2.74K
+6VC
+6VC
Q15
R132
100K
C49
.047UF
R81
100K
+5VPRI
1
6
1
5
1
3
1
1
9
8
6
4
2
1
K1
CR41
CR40
Q17
R139
5.11K
hi=off
CR39
R159
100K
R158
100K
C112
220UF
C111
220UF
PART OF A1 POWER SUPPLY
LOW VOLTS POWER SUPPLY
26
**Refer to the Electrical Parts List for the values used on
previous versions of this circuit board.
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 ...
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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