E207F122

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