330uF

C3

1

2

D44

12

D45

12

D9

1

2

D48

1

2

.0033uF

C46

1

2

.001uF

C23

1

2

.01uF

C19

1

2

.022uF

C20

1

2

3.3nF

C18

1

2

3.3nF

C17

1

2

.0033uF

C45

1

2

.01uF

C10

1

2

.01uF

C49

1

2

COL_B

EMIT_B

COL_A

EMIT_A

SHUTDOWN

+CL

-CL

GND

+VIN

VREF

NON_INV

INV

COMP

OSC_OUT

RT

CT

SG3524BN

360-3524B

IC7

2

1

9

3

6

7

15

16

13

14

12

11

10

4

5

8

66.5K

R127

12

330K

R59

1

2

133K

R58

1

2

200K

R60

12

10M

R61

12

20ohm

R63

1

2

6.8M

R62

1

2

150K

R56

12

49.9K

R57

1

2

10K

R55

1

2

200K

R52

1

2

200K

R54

1

2

200K

R53

12

200K

R51

12

2.67K

R11

1

2

20K

R10

12

237

R9

12

150K

R26

1

2

261K

R122

1

2

100K

R24

1

2

604K

R23

1

2

1M

R22

12

178K

R21

1

2

470K

R20

1

2

470K

R19

12

200K

R18

1

2

150K

R25

1

2

100K

R15

12

100K

R16

12

1M

R12

1

2

1M

R13

1

2

100K

R14

1

2

133K

R123

1

2

20K

R27

1

2

20K

R28

1

2

4.7K

R17

12

49.9K

R38

12

43.2K

R39

1

2

66.5K

R126

12

B

NC
NO

A

COM

450-0011

RY1

3

4
5

1

2

22uF

C27

1

2

50K

VR2

2

1

3

50K

VR1

2

1

3

50K

VR3

2

1

3

50K

VR4

2

1

3

-

+

LM339AN

IC4

2

4

5

3

12

-

+

LM339AN

IC4

13

10

11

3

12

-

+

LM339AN

IC4

14

8

9

3

12

CD4011

350-4011

IC5

11

12

13

14

CD4011

350-4011

IC5

3

1

2

14

1N4005

D47

1

2

1N4005

D8

12

1N4005

D4

1

2

1N4005

D6

1

2

1N4005

D7

1

2

1N4005

D5

1

2

74C14

350-7414

IC3

8

9

14

74C14

350-7414

IC3

10

11

14

74C14

350-7414

IC3

6

5

14

74C14

350-7414

IC3

4

3

14

LM317HS

365-317T(W/HS)

IC1

1

3

2

VDD

CD4066

350-4066

IC6

9

6

8

14

VDD

CD4066

350-4066

IC6

3

5

4

14

701-0059

J15

1

701-0059

J11

1

30A

512-0005

F4

1

2

30A

512-0005

F1

1

2

.1uF

C6

1

2

.1uF

C8

1

2

.1uF

C9

1

2

.1uF

C21

12

.22uF

C7

1

2

.1uF

C5

12

.1uF

C4

1

2

.1uF

C22

1

2

430-0006

721-0003

J1

1

721-0003

J1

2

715-0007

J2

1

J4

1

J3

1

FUS40

513-0001

1A

F2

12

FUS40

513-0001

1A

F3

1

2

Q10

1

2

3

550-0001

SW1

3

6

550-0001

SW1

2

7

BUZ71

Q10A

2

1

3

PUSHPL2

ACTRIP

INV_HOT

ACOUTBLK

PUSHPL1

IFDFWRD

ISENSE

COMP

UTIL_HOT

UTIL_HOT

ACFUSED

12FUSED

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+12

+5

+5

+5

+5

+5

+5

+5

+5

+5

12UNFILT

12UNFILT

ACFAIL

ACFAIL

ACOUTWHT

REV

DWG

AMERICAN POWER CONVERSION

SHEET

DESCRIPTION

REVISION

DATE

REV #

SCALE

BY

DATE

APCC PART #

PRODUCT

PIGTAIL

PIGTAIL

10

E208-10

10

9/6/91

8,9

7

USED

IS NOT

BSS100

250/400/600 INT’L BACK-UPS

0S-208

600 ONLY

CHANGE R126, R127 TO 178k

ON BACK-UPS 250

3/22/91

SB208 CIRCUIT BOARD SCHEMATIC

ONLY

600

1) ALL DIODES 1N4148 UNLESS MARKED

NOTES:

MINI

MINI

VOLTS

OUTPUT

VOLTS

XFER

BATT-

ESM

XFER VOLTS

SWITCH

POWER

TEST

BATT+

XFMR LV CT

SWITCH

POWER

Q10A BUZ71 IS USED INSTEAD.

Q10 BSS100’S HAD STATIC PROBLEMS ON ASSEMBLY LINE.

ECO #391 AND ECO #394

8/30/91

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

7/17/91

ECO #415

NOISE ON +5 DURING RELAY SWITCHING.

ADDED C49=.01uF TO PREVENT IC7 "HICCUP" DUE TO

166V

176V

186V

196V

ohm

CLOSED

CLOSED

CLOSED

OPEN

OPEN

CLOSED

OPEN

OPEN

XFER2

XFER1

XFER1

XFER2

ECO #412 AND ECO #413

ON IC7, WHICH CAUSES IT TO PUT OUT DC.

A