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REV # DATE REVISION
NOTES: ALARM DISABLE +12




1
J2 TEST/ALARM DISABLE RETURN 7 7/17/91 ECO #391 AND ECO #394
1) ALL DIODES 1N4148 715-0007 3 R44 R138 WAS 33K IS NOW 24.9K, C44 WAS .1uF IS NOW .22uF
100K +12
J2 TO MAKE CURRENT LIMIT CIRCUIT WORK WITH STABLE +12.
14




2
8
IC5 10 8,9 8/30/91 ECO #412 AND ECO #413
1 R128 2 9 350-4011 NO CHANGES ON THIS SHEET
CD4011




1
SWITCH CLOSED =
C29 4.7K




2 715-0007
BEEPER DELAY 10 9/6/91 ECO #415
1 8 C14
2 1 .01uF NO CHANGES ON THIS SHEET
SW1
550-0001 .1uF




2
ACFAIL IC3
+12 14 R45
1 2 1 2 +12 14
5 R133 12UNFILT
74C14 100K IC5 4 1 2




1
350-7414 6 350-4011
1
D20 2




2
CD4011 470K




1
C48
C15




2
D15 .01uF




1
+12 .1uF ALARMOSC




2




2




1
D35




BZ1




2
BEEPER
CLAMP




390-0004
2
+12 R74




1
+12
150K
+12




1
SHUTDOWN 8 14 3
3 D30 D31 14 IC3 D39
10 1 2 2 Q9 R138 R134




1
3
6 - IC2 1 2 1 2 13 12
LOW BAT WARNING 9
2 1 PN2222 COMP




1
C26 1 2 1
OPEN = 2 MIN IC4 1 74C14




1
1
2 1 7 24.9K 2M
CLOSED = 5 MIN + LM339AN CD4001 Q29 350-7414




2
350-4001
1
D18
1




4 5 .01uF 12 D22 D46 +12 PN2907
12UNFILT +5 SW1




2
2
14 IC10 R115 C44




2
550-0001 R130 13 12




2
2
R70 100K .22uF
10.0K
2




74C14
2




6.81K DELETE




2
350-7414




1
1
ON 250 1
R73 2 R47
R68 1 2




2
10.0K




2
R64 133K 1
R135 2
6.8M




1
R131 R72 1M D17
ACFAIL




1
2
2 1 34.8K +12




1
1



33.2K 30.1K 2 1
1M
2 1




1
R129 R46




1
C25 R137




10
22uF 2.26K C16 1M
1 1uF INVDISBL




1



2
IC6
2




Q11




14
CHANGE TO 24.9K 2




2




350-4066



VDD
PN2907 +5




2
3




12 CD4066
3
ON 250 2
R69




11




2
6.81K Q12 1
R71




1
PN2222
33K




1
DELETE ON 250


ALARMOSC 723-0001
CC LOW BATTERY




2
+12 5 J14
R114 12UNFILT 723-0001
+12 20K +12 +12




2
14 IC10 14 IC10 R139 6 J14 OC AC FAIL




1
1 2 3 4 1 2 3
R106 2
74C14 74C14 200K 20K 3
350-7414 350-7414 1 2 Q33
1
R140 2 1
R107



1
1
R108 2 +12 1 2 2 Q24 PN2222 723-0001
14 IC10 PN2907 200K Q32 1 3 CC AC FAIL
5 6 200K J14




1
30.1K 3 PN2222
1
R141 2
R105 3
74C14 723-0001
C41 350-7414 2 3
1
47K 2 Q27 Q28
.01uF 680K 4 J14 DB-9 GROUND
2




+12 PN2222 2
R103 1 2 PN2222
14 IC10 1




2
9 8 12UNFILT R104 20K 723-0001
1
1
R143 2 47K
74C14 2 J14 RS-232 AC FAIL
1




350-7414 R113 1
1 2 20K
+12 Q25 723-0001
14 IC10 2
11 10
47K PN2907 1 J14 UPS SHUTDOWN
3
74C14
1




350-7414 723-0001
1
R101 2
ACFAIL R102 9 J14 DB-9 GROUND
D32 20ohm
1