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REV # DATE REVISION
NOTES: 1) ALL DIODES IN4148 UNLESS MARKED.
7 7/17/91 ECO #391 AND ECO #394
2) R99 IS MOUNTED TO CHASSIS, NOT CIRCUIT BOARD. NO CHANGES ON THIS SHEET
LEAD WIRES SOLDER INTO CIRCUIT BOARD
8,9 8/30/91 ECO #412 AND ECO #413
OR CONNECT TO BOARD VIA MTA HEADER AT NO CHANGES ON THIS SHEET
R99A AND R99B. 10 9/6/91 ECO #415
NO CHANGES ON THIS SHEET




701-0059

XFMR HV WHITE J10 1 INV_HOT

1
J5 INVACBLK
701-0013




1
1




2
1
2
R98 R99 UTIL_HOT
R100
200K 20ohm D25 D26 82ohm
1N4005 1N4005 1




1
J7 ACOUTBLK




2
1




2
12UNFILT 701-0013




2
L1




2
2 1 R95
IC8 2 V130LA2 1 2 4 721-0003
1 6 25uH J1 LAMP HOT
Q22
2




2
1




MOV1
47K



2
R76 5 1




1




1
1
1 2 2 Q21 IRF743 MOV5
4 3 C38
1 1 PN2222 D27 D28 MOV2 V300LA20
470ohm 312-4N25 1N4005 1N4005 C37 1uF
2 Q14 V300LA20
1




1




1
2
2 .47uF R96
PN2907 1 2 3 721-0003




2
3 3




2
47K
J1 LAMP NEUTRAL
701-0059 L2
2 1 1
XFMR HV BLUE J16 J8 ACOUTWHT
1
CENTER TAP 25uH 701-0013
701-0059
1




XFMR HV BLACK J9 1 C40
4.7nF
2




R29 R34 R40 C11
250VA 2.26K 2.67K 4.99K 0.1uF
400VA 3.01K 2K 4.7K .047uF +5 +12
600VA 3.83K 1K 3.01K .047uF 1
701-0059
J6 INVACWHT




1
1
1
R40 R43 J12 XFMR LV
4.7K 701-0059

1




2
2
J13 XFMR LV
1
R41 2 1
R42 2 D12 701-0059
1 2
IFDFWRD




1
150K 150K
3 D36
C13 Q8 2 1
D11 2 1
D41 2
.1uF PN2222 2 1




2
1
R116
1
3




1 2
R31 R32
1




1 2 1 2
CHANGE C13 TO 20ohm Q30




1
2




15K 15K .22uF ON 600 R117 PN2907
DELETE ON DELETE ON 470ohm
DELETE ON DELETE ON
2




C12 250,400 250
22uF 250 250,400




2
1




1
R30 2 R118




1
ISENSE




1
1
2 2 2 2 43.2K 2 2
20K Q36 Q6 Q5 Q4 Q1 Q2 2 Q3 Q37
2




3




1
R29 C11 R34 IRFZ42 IRFZ42 IRFZ42 IRFZ42 2 Q31 IRFZ42 IRFZ42 IRFZ42 IRFZ42
R37 1 1 1 1 1 1 1
PN2222




2
2
47ohm 1




2
3 3 3 3 3 3 3




2
1




R119
1
1
1
1
1
1
2




1.00K
CLAMP 3 R147 R8 R7 R6 R1 R2 R3 R148
2




1
R145 2 2
Q35 47ohm 47ohm 47ohm 47ohm 47ohm 47ohm 47ohm 47ohm
2
2
2
2
2
2
1




2
200K 1 PN2222
+12
R146
100K




1
1 D38 D37
1 2
PUSHPL1
2 1
C39




4
.01uF
+12




14
XFMRLVCT




2
1
R65 2 IC2
CD4001
350-4001
2 1
D19 49.9K 12 14


5
R66 R67 11 6
1 2 1 2 13 IC2
ACFAIL




1
49.9K 10K CD4001
C24 350-4001 AMERICAN POWER CONVERSION
.1uF DESCRIPTION SHEET




2
+12
SB208 CIRCUIT BOARD SCHEMATIC C
1 14 PRODUCT APCC PART #
INVDISBL 3
2 IC2 250/400/600 INT'L BACK-UPS 0S-208
PUSHPL2
CD4001 DATE BY SCALE DWG REV
350-4001
3/22/91 ESM E208-10 10