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0.01UF,100V,5%C41
12
0.01
UF,1
00V,
5%
C14
12
0.01
UF,5
0V,2
0%,C
ER
C48
12
2N2222Q27
1
23
22UF
,16V
C43
12
24.9
K,1%
,1/4
W
R74
12
20-OHM,5%,1/4W
R1011 2
10.0
K,1%
,1/4
W
R68
12
100K,5%,1/4W
R1101 2
26.1
K,1%
,1/4
W
R72
12
1M,5%,1/4W
R46
12
1M,5
%,1/
4W
R137
12
200K
,5%,
1/4W
R106
12
24.9K,1%,1/4W
R138
1 2
5.62
K,1%
,1/4
W
R70
12
100K
,5%,
1/4W
R44
12
6.8M,5%,1/4W
R471 2
20K,
5%,1
/4W
R114
12
100K,5%,1/4W
R451 2
1M,5%,1/4W
R1351 2
215K,1%,1/4W
R731 2
470K,5%,1/4W
R1331 2
47K,
5%,1
/4W
R104
1247K,5%,1/4W
R1051 2
20K,5%,1/4W
R1431 2
100K
,5%,
1/4W
R115
12
20K,5%,1/4W
R1391 2
200K,5%,1/4W
R1071 2
20K,
5%,1
/4W
R109
12
30.1
K,1%
,1/4
W
R131
12
100K
,5%,
1/4W
R111
12
680K,5%,1/4W
R1411 2
2M,5%,1/4W
R1341 2
33.2K,1%,1/4W
R6412
30.1K,1%,1/4W
R1081 2
10.0
K,1%
,1/4
W
R130
12
33.2
K,1%
,1/4
W
R71
12
1K,5%,1/4WR102
1 2
200K,5%,1/4W
R1401 2
4.7K,5%,1/4W
R1281 2
20K,5%,1/4W
R10312
2.26
K,1%
,1/4
W
R129
12
47K,5%,1/4W
R1131 2
6.81
K,1%
,1/4
W
R69
12
1N41
48
D34
12
1N4148
D2012
1N4148
D3112
1N41
48
D15
12
1N4148
D301 2
1N41
48
D18
12
1N4148D17
1 2
1N41
48
D46
12
1N41
48
D22
12
1N4148
D391 2
1N41
48
D32
12
1N41
48
D35
12
1N4148
D3312
1.0U
F,50
V
C16
12
0.01
UF,5
0V,2
0%,C
ER
C702
12
IC1013 12
7
14
V-
V+
-
+ IC41
6
73
12
2N2907Q29
12
3
2N2907Q251
2
3
2N2907Q241
2
3
2N2907Q111
2
3
2N2907Q261
2
3
.1uF,50V,5%,POLYC15
12
22UF,16V
C421 2
22UF
,16V
C25
12
2N2222Q12
1
23
2N2222Q28
1
23
2N2222Q33
1
23
2N2222Q23
1
23
2N2222Q32
1
23
2N2907Q9
1
23
0.01UF,100V,5%
C26
12
0.22
UF,5
0V,5
%
C44
12
.1uF,50V,5%,POLY
C29
12SW1
1 8
SW14 5
721-0003
J13
721-0003
J14
J2 3
J22
390-
0004
BZ1
12
J146
J141
J142
J143
J145
J144
IC28
910
14
7 350-4001
J149
2K,5%,1/4W
R751 2
IC58
910
7
14
IC55
64
7
14
VCC
GND
C INOU
TIC6
12 1110
14 7
IC31 2
7
14
IC313 12
7
14
IC101 2
7
14 IC103 4
7
14
IC105 6
7
14
IC109 8
7
14
IC1011 10
7
14
CLAMP
ALARMOSC
ALARMOSC
INVDISBL
SHUTDOWN
SHUTDOWN
ACFAIL
ACFAIL
ACFAIL
COMP
12UNFILT
12UNFILT
12UNFILT
12UNFILT
+5
+5
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
+12
REVDWG
AMERICAN POWER CONVERSIONSHEETDESCRIPTION
REVISIONDATEREV #
SCALEBYDATE
APCC PART #PRODUCT
12640-0207F
10 10/18/96
DELETE ON 200VA/280VA
4/21/948B
2 OF 3
8/31/938A
8
7 9/6/91
10/31/91
5,6
4
0S-207
CHANGE R64
ON 400TO 24.9K
MINI 250/400 BACK-UPS
3/18/91
SB207 CIRCUIT BOARD SCHEMATIC
1) ALL DIODES 1N4148NOTES:
BEEPER DELAY
OC AC FAIL
ESM
CLOSED = 5 MINOPEN = 2 MINLOW BAT WARNING
SWITCH CLOSED =
DB-9 GROUND
UPS SHUTDOWN
DB-9 GROUND
RS-232 AC FAIL
CC AC FAIL
CC LOW BATTERY
ALARM DISABLETEST/ALARM DISABLE RETURN ECO #391 AND ECO #394
8/30/91
7/17/91
NO CHG THIS SHT
ADDED R98AECO #939
ECO #781
ECO #415
ECO #437IN SERIES TO ELIMINATE TURBO DC OFFSET
CHANGED R90 FROM 75.0K TO 66.5K, C50=.22uF ADDED
NO CHANGES ON THIS SHEET
TO MAKE CURRENT LIMIT WORK WITH STABLE +12.R138 WAS 33K IS NOW 24.9K, C44 WAS .1uF IS NOW .22uF
R97 WAS 1M, IS NOW 200K TO DESENSITIZE TURBO.R90 WAS 69.8K, IS NOW 75.0K FOR BETTER TURBO NULL.R93 WAS 5.62K, IS NOW 10K TO REDUCE TURBO DC OFFSET.ECO #412 AND ECO #413
NO CHANGES ON THIS SHEET
