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-8V
NC
NC
NC
NC
+60V
-15V
+15V
ANLG GND
+5V
CURSOR
/W_FOCUS
PWR_SW_1
PWR_SW_2
NC
NC
NC
NC
+160V
NC
NC
W400
0 OHM
+60V
-15V
+15V
+160V
+5VA
CURSOR
/W_FOCUS
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
J600
+15V
OUTPUT FILTERS
W511
0 OHM
CR320
L420
47UH
ABOUT 325V
ISOLATION
BOUNDARY
C340
2.2UF
J345J346
S250
LINE RECTIFIER AND FILTER
C576
.1UF
L370
80UH
J281
R300
CR103
5 OHM COLD
BROWN T
o
R300
F210
2A
REAR
PANEL
LINE SELECT
5 OHM COLD
BLUE
S110
OPEN 220V
CLOSED 110V
130VAC
T
o
R210
R200
C310
.068UF E210
S110
R270
470K
R271
470K
J180
J280
230V
CR100
CR101
CR102
DS200
R201
680K
C270
.022UF
C271
.022UF
C160
680UF
C170
680UF
SNUBBER
THERMAL SWITCH
OPENS AT 80 C
o
L240
10UH
L140
1MH
CR140 CR141
R140
150
H
CR520
L421
47UH
W520
0 OHM
C421
560UF
C321
560UF
3
7
10
12
11
5
4
2
1
8
9
25
26
6
T430
C410
100UF
C411
100UF
C420
560UF
-8V
L510
47UH
TP400
TP410
-15V
+60V
H
W510
0 OHM
CR521
W512
0 OHM
L320
47UH
CR321
J415
L520
47UH
C320
100UF
C412
100UF
0V
450V
600V
TP239
NC3W
3W
TP239
W540
0 OHM
C240
680PF
R149
1K
CR540
CR149
C141
330PF
BASE DRIVE
INSTALLED
NORMALLY
TEST ONLY
TP470
P440
TP460
12
J440
+16V
1W
R575
150K
TP560
TP150
Q471
DS470
R574
1M
C540
330UF
R200
STARTER
20V
VR570
R571
365.0K
R572
365.0K
R573
1M
C561
10UF
A17 FUSE BOARD
LOCK–OUT
LOW LINE
HI = SHUTDOWN
Q460
Q472
R570
90.9K
R470
47.5K
+5P
+5P
C560
10UF
CONTROLLER
BCE
INDICATOR
POWER
Q470
R471
3.32K
4.3V
H
H
2W
S/N B020615 AND BELOW
C450
.1UF
C350
.47UF
R450
1
VR350
CR354
Q451
Q350
Q550
R550
221.0
Q450
R350
10.0
R355
47.5
BCE
SWITCHER
H
CR352
CR353 CR351
CR350
Q250
CA
H
CR310
CR310
J416
L422
L421
L420
C300
1000UF
C400
1000UF
+5V GND
W401
0 OHM
L110
4.7UH
+5VA
+5V
C100
1000UF
C301
560UF
CONNECTS
BOARD
A11
INTER-
CONNECT
<45>
J600
TO J497
H1
ADJ
+5V
NOTE:
ON THE MPU BOARD,
/W_FOCUS ORIGINATES
J415-23 <21>.
R220
3.32K
R133
22.1K
R130
2.00K
R131
3.32K
R132
2.00K
R219
50K
+15V
ERROR AMP
A
R
C
+2.5V
RAC
U131
+5V REF
C121
.1UF
C130
.068UF
R230
6.19K
R134
2.00K
U131
431C
+15V
<1V
+2V
-3V
40KHZ
2W
40KHZ
ISOLATION
BOUNDARY
R150
.51R151
2.32K
+16V
>13V=RUN
0.5W
CR550
Q560
CR460
R551
43.2K
R452
86.6K
+5P
C361
10UF
-INPUT
2.7V
COMP
1
VFB
2
ISEN
3
RT/CT
4
REF
8
VCC
7
OUT
6
GND
5
U460
UC3842
C462
.1UF
R460
100
R464
1.00K
R560
8.87K
R363
10.0K
+5P
+5P
CURRENT LIMIT
TIME LATCH
+2.5V
TC = 40mS
OFF
NORMALLY
C463
470PF
R360
18.2K
R462
10.0K
R463
47.5K
R461
10.0K
+5P
C360
4.7UF
+2V
>2V=SHUTDOWN
Q360
CR364
CR362 R561
4.32K
R365
10.0K
R361
15.0K
R260
43.2K
C260
.1UF
+5P
+5P
+5P
2
3
7
6
8
5
1
4
U360
LM311
1V
25uS
IF >1V = CURRENT LIMIT
C461
.0047UF
R465
1.13K
R362
30.1K
R466
2K
UNDER–VOLTAGE
PROTECTION
CR370
NC
POWER SWITCH
1
2
5
4
6
U230
MOC1005
+5P
TEST JUMPER
PROTECTION
NC
OVER–VOLTAGE
OVER-VOLTAGE
C120
.1UF
3
2
15
6
7
4
U120
741
CR230
D-0141
R232
1.00K
R221
1.00K
1
2
J122
+15V
-15V
-15V
5.1V
A
GK
Q220
Q220
VR220
R223
10.0
R224
100.0
CONNECTS
BOARD
A4
A16
J120
TO J200
<42>
WAVEFORM
HIGH
VOLTS
1A
1
1B
2
2A
3
2B
4
3A
5
3B
6
4A
7
4B
8
5A
9
5B
10
J120
KAG
PARTS WITHIN BOX
CAUTION: ALL CIRCUITRY TO THE
TO POWER SWITCH
POWER OFF DEFEAT
J121
TEST ONLY
INSTALLED = POWER ON
LEFT OF THE ISOLATION
BOUNDARY IS AT POWER LINE
R129
100.0
1
2
J121
ISOLATION
C234
.047UF
C134
.0047UF
C140
.1UF
VR230
C135
.1UF
R233
1.00K
R135
2.21K
2
8
1
7
T130
+5P
Q131
250KHZ OSCILLATOR
POWER OFF
HI FOR
C132
.1UF
Q130
+5P
CURRENT
ADJ
LIMIT
LINE SIDE
COMMON
R364
30.1K
NC
LINE SIDE
+5V
+5P
1780R–SERIES
2.4V
BOUNDARY
LOW VOLTAGE POWER SUPPLY <43>
POTENTIAL AND REQUIRES
AN ISOLATION TRANSFORMER
TO SERVICE. SEE ELECTRICAL PARTS LIST
HAVE BEEN CHANGED
IN REAR OF MANUAL
A1 LOW VOLTS BOARD