Page 1
Q10A BUZ71 IS USED INSTEAD.
ECO #391 AND ECO #394
REVISIONDATEREV #
7/17/91
7
Q10 BSS100’S HAD STATIC PROBLEMS ON ASSEMBLY LINE.
WHEN UNIT IS TURNED OFF. THIS PREVENTS UV LOCKOUT
BY BATTERY SUPPLY WHILE C27 DISCHARGES RAPIDLY AT
REPLACED R75 WITH D47 SO +12 IS NOT DRAGGED DOWN
ECO #415
NOISE ON +5 DURING RELAY SWITCHING.
ADDED C49=.01uF TO PREVENT IC7 "HICCUP" DUE TO
ECO #412 AND ECO #413
ON IC7, WHICH CAUSES IT TO PUT OUT DC.
8/30/91
10 9/6/91
8,9
1
J4
BATT-
12UNFILT
J3
J11
J15
600
1
701-0059
701-0059
ONLY
721-0003J12
1
1
513-0001
721-0003J11
12
12
PIGTAIL
F1
F4
512-0005
30A
D8
MINI
1AF2
12
FUS40
12
2
3
IC1
LM317HS
1
365-317T(W/HS)
512-0005
1N4005
12
POWER
POWER
SWITCH
BATT+XFMR LV CTSWITCH
12FUSED
1N4005D5
1N4005 D4
1) ALL DIODES 1N4148 UNLESS MARKED
NOTES:
ACOUTWHT
F3
1A
MINI
FUS40
12
UTIL_HOT
513-0001
PIGTAIL
30A
600 ONLY
12
C3
330uF
VR1
213
20K
R10
12
ohm
R9
237
12
C4
.1uF
12
12
ACFUSED
ACFAIL
ACFAIL
1N4005
50K
R11
12
2.67K
1N4005D7
12
12
1N4005 D6
ACOUTBLK
3
12
12
D47
12
+12
430-0006
INV_HOT
COM
A
C27
22uF
+12
+5
+5
UTIL_HOT
RY1
NC
NO
B
450-0011
IFDFWRD
4
5
BSS100
+12+12
12
R62
+12
12
R57
12
R55
+12
6.8M
49.9K
COMP
+5
C49
R38
49.9K
12
213
Q10A
BUZ71
3
1
2
Q10
USED
IS NOT
89
IC3
74C14
350-7414
14
1011
IC3
74C14
350-7414
14
12
2
LM339AN
3
IC4
-
+
4
5
12
C20
R56
150K
12
10K
13
LM339AN
3
12
IC4
-
+
10
11
12
200K
R52
12
C17
3.3nF
R51
200K
12
+12
R28
20K
12
12
R27
20K
+12
+5
.01uF
12
+12
R39
43.2K
12
12
R25
D48
12UNFILT
+5
12
12
C22
.1uF
C23
.001uF
12
.022uF
R123
133K
12
12
R122
261K
XFER1 XFER2
14
+12
3
IC4
-
8
12
12
R53
200K
12
1
715-0007
J2
TEST
1314121110
COL_B
EMIT_B
15 16
+VIN VREF
NON_INV
INV
21936
R26
12
150K
C9
12
R23
604K
R24
1M
R22
12
1
VOLTS
OUTPUT
2
3
50K
VR3
R63
20ohm
+12
+5
36
550-0001
SW1
27
550-0001
SW1
XFER VOLTS
LM339AN
12
+
9
12
C19
.01uF
+5
R54
200K
C18
3.3nF
4
COL_A
EMIT_A
SHUTDOWN
IC7
COMP
OSC_OUTRTCT
7
12
150K
12
C10
.1uF
12
100K
C21
12
10M
R61
12
R60
12
12
R59
330K
XFER
213
50K
VR2
OPENCLOSED
OPENOPEN
XFER2XFER1
CLOSEDOPEN
176V
186V
196V
PUSHPL1
ISENSE
D45
R126
12
12
+CL
58
-CLGND
SG3524BN
360-3524B
12
C8
.1uF
12
.01uF
.1uF
200K
R58
12
133K
VOLTS
CLOSEDCLOSED
166V
PUSHPL2
12
C45
66.5K
.0033uF
12
C46
D44
R127
66.5K
12
12
.0033uF
ON BACK-UPS 250
CHANGE R126, R127 TO 178k
178K
R21
12
470K
R20
12
213
+5
R19
D9
+5
470K
12
12
12
R18
200K
12
R17
4.7K
12
14
+12
ACTRIP
50K
VR4
C7
.22uF
9
IC6
CD4066
350-4066
VDD
6
8
R15
100K
12
+12
+12
+12+12
12
12
13
IC5
CD4011
350-4011
11
3
IC6
14
VDD
4
R16
100K
12
65
IC3
74C14
14
43
IC3
74C14
14
12
1M
R12
C5
12
12
12
R14
100K
10E208-10
REVDWG
A
SHEETDESCRIPTION
0S-208
APCC PART #PRODUCT
SCALEBYDATE
ESM
AMERICAN POWER CONVERSION
SB208 CIRCUIT BOARD SCHEMATIC
3/22/91
250/400/600 INT’L BACK-UPS
1
2
14
+12
CD4066
5
350-7414
350-7414
R13
.1uF
C6
350-4066
1M
.1uF
CD4011
350-4011
14
IC5
3
+12
Page 2
ALARMOSC
REVISIONDATEREV #
7/17/91
7
ECO #415
NO CHANGES ON THIS SHEET
NO CHANGES ON THIS SHEET
ECO #412 AND ECO #413
TO MAKE CURRENT LIMIT CIRCUIT WORK WITH STABLE +12.
R138 WAS 33K IS NOW 24.9K, C44 WAS .1uF IS NOW .22uF
8/30/91
10 9/6/91
8,9
12
BZ1
12UNFILT
715-0007
2
J2
D35
C14
.01uF
IC3
12
.1uF
SW1
18
550-0001
12
C48
.01uF
470K
R133
12
4
14
IC5
CD4011
350-4011
5
6
C15
+12
12
D15
R45
100K
12
21
14
74C14
350-7414
+12
D20
12
.1uF
12
+12
TEST/ALARM DISABLE RETURN ECO #391 AND ECO #394
10
14
IC5
CD4011
350-4011
8
9
+12
12
12
R44
100K
+12
J2
R128
3
715-0007
4.7K
12
ALARM DISABLE
C29
BEEPER DELAY
SWITCH CLOSED =
1) ALL DIODES 1N4148
NOTES:
ACFAIL
CLAMP
COMP
12
D39
1213
IC3
+12
14
R134
12
R138
12
3
1
PN2222
Q9
3
BEEPER
2
390-0004
12
D31
12
12
12
D30
10
14
IC2
8
9
+12
150K
R74
12
1
3
+12
-
6
C26
LOW BAT WARNING
SHUTDOWN
74C14
350-7414
C44
.22uF
12
2M
12
R115
100K
24.9K
Q29
PN2907
2
1
D18
1213
IC10
14
CD4001
350-4001
+12
D46
12
12
D22
LM339AN
12
IC4
+
7
12
R130
10.0K
.01uF
SW1
45
550-0001
R70
CLOSED = 5 MIN
OPEN = 2 MIN
+5
12UNFILT
R135
12
D17
74C14
350-7414
R47
6.8M
12
1M
R73
133K
12
R72
ON 250
DELETE
12
R131
6.81K
12
10.0K
R68
12
R64
INVDISBL
1M
12
R137
1M
12
12
R46
12
1uF
C16
350-4066
CD4066
IC6
10
VDD
14
+12
34.8K
12
30.1K
12
Q11
PN2907
1
2
R129
2.26K
12
12
12
22uF
C25
33.2K
CHANGE TO 24.9K
ACFAIL
12
11
+5
3
2
3
R69
ON 250
1
Q12
PN2222
33K
R71
12
6.81K
12
CC LOW BATTERY
OC AC FAIL
J14
J14
6
5
723-0001
723-0001
3
2
3
20K
R139
12UNFILT
12
+12
+12
R106
DELETE ON 250
43
IC10
74C14
14
+12+12
20K
R114
12
21
IC10
74C14
14
ALARMOSC
CC AC FAIL
J14
3
723-0001
723-0001
1
Q33
PN2222
1
2
Q32
PN2222
Q28
3
200K
R140
12
Q27
3
2
47K
R105
12
PN2907
Q24
3
1
2
R141
12
12
200K
200K
R107
12
65
IC10
74C14
350-7414
350-7414
14
+12
350-7414
R108
30.1K
12
12
C41
DB-9 GROUND
RS-232 AC FAIL
J14
J14
2
4
723-0001
PN2222
1
2
12
20K
R103
1
PN2222
47K
R104
680K
12UNFILT
R143
12
89
IC10
74C14
14
+12
.01uF
DB-9 GROUND
UPS SHUTDOWN
J14
J14
9
1
723-0001
723-0001
R101
12
R102
12
12
Q25
3
1
PN2907
D32
2
20K
47K
R113
12
1011
IC10
74C14
350-7414
350-7414
14
+12
ACFAIL
10E208-10
REVDWG
B
SHEETDESCRIPTION
0S-208
APCC PART #PRODUCT
SCALEBYDATE
ESM
20ohm
AMERICAN POWER CONVERSION
SB208 CIRCUIT BOARD SCHEMATIC
3/22/91
1.00K
12
PN2907
Q26
1
2
D33
C42
SHUTDOWN
250/400/600 INT’L BACK-UPS
3
12
20K
R109
12
C43
22uF
12
D34
12
22uF
12
100K
R110
12
12
100K
R111
2
3
1
Q23
PN2222
Page 3
ECO #391 AND ECO #394
NO CHANGES ON THIS SHEET
NO CHANGES ON THIS SHEET
ECO #412 AND ECO #413
REVISIONDATEREV #
8/30/91
7/17/91
8,9
7
INV_HOT
ECO #415
NO CHANGES ON THIS SHEET
10 9/6/91
INVACBLK
J5
1
701-0013
UTIL_HOT
1
LAMP HOT
ACOUTBLK
J7
J1
701-0013
721-0003
4
R95
12
12
L1
25uH
47K
MOV5
V300LA20
C38
MOV2
12
1uF
V300LA20
LAMP NEUTRAL
ACOUTWHT
J8
J1
1
701-0013
721-0003
3
47K
R96
12
12
12
12
L2
25uH
12
C40
4.7nF
INVACWHT
J6
701-0059
1
XFMR LV
J12
701-0059
1
XFMR LV
J13
701-0059
1
12
D36
250,400250
DELETE ON DELETE ON
3
Q30
PN2907
2
1
12
R117
470ohm
R116
20ohm
12
12
R118
Q37
IRFZ42
213
Q3
IRFZ42
2
Q2
IRFZ42
213
Q1
IRFZ42
Q31
3
2
43.2K
1
PN2222
3
1
12
12
12
R119
1.00K
R148
47ohm
R3
47ohm
12
R2
47ohm
R1
47ohm
XFMRLVCT
D37
12
10E208-10
REVDWG
C
SHEETDESCRIPTION
0S-208
APCC PART #PRODUCT
SCALEBYDATE
ESM
AMERICAN POWER CONVERSION
3/22/91
SB208 CIRCUIT BOARD SCHEMATIC
250/400/600 INT’L BACK-UPS
R100
82ohm
12
1N4005
D26
1N4005
D25
12
R99
20ohm
12
R98
200K
12
C37
12
1N4005
D28
12
12
1N4005
D27
V130LA2
12
MOV1
Q22
IRF743
213
PN2222
Q21
1
654
IC8
312-4N25
1
2
.47uF
12
2
3
12UNFILT
R76
470ohm
12
PN2907
Q14
3
R99A AND R99B.
OR CONNECT TO BOARD VIA MTA HEADER AT
LEAD WIRES SOLDER INTO CIRCUIT BOARD
1) ALL DIODES IN4148 UNLESS MARKED.
2) R99 IS MOUNTED TO CHASSIS, NOT CIRCUIT BOARD.
1
2
1
NOTES:
701-0059
J10
701-0059
1
J16
701-0059
1
J9
D41
12
D12
D11
12
12
4.7K
R43
12
+12
12
+5
R40
C11R40R34R29
0.1uF4.99K2.67K2.26K
.047uF
.047uF
4.7K2K3.01K
3.01K1K3.83K
2
3
1
Q8
PN2222
R42
150K
12
.1uF
C13
12
R41
150K
12
.22uF ON 600
CHANGE C13 TO
250250,400
DELETE ON DELETE ON
213
Q4
IRFZ42
213
Q5
IRFZ42
213
Q6
IRFZ42
213
Q36
IRFZ42
R37
12
12
47ohm
R6
12
R7
12
R8
12
R147
12
3
R145
R34
15K
250VA
600VA
400VA
R32
12
12
15K
R31
12
C12
22uF
20K
R30
12
12
C11
12
R29
12
D38
47ohm
47ohm
47ohm
47ohm
PN2222
Q35
1
2
12
R146
100K
200K
12
12
+12
C39
CD4001
4
IC2
14
.01uF
+12
R65
12
350-4001
6
5
11
14
IC2
12
13
R67
12
12
R66
49.9K
12
12
CD4001
10K
49.9K
350-4001
.1uF
C24
3
14
IC2
CD4001
+12
350-4001
1
2
D19
XFMR HV WHITE
CENTER TAP
XFMR HV BLUE
XFMR HV BLACK
IFDFWRD
ISENSE
CLAMP
PUSHPL1
ACFAIL
PUSHPL2
INVDISBL
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