Heathkit GD 1157 Schematic
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Extracted text from Heathkit GD 1157 Schematic (Ocr-read)
Page 1
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3:: NOT! an
no he: 3.0: c.
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I an I
I 2.2M :'
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5115'
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I 017 II
| 4'7" GOA-1157'! SIREN Accessonv II
L ____________________________ - ------------------------------ I
l-*------'_-_--_ - --_-----------------------._----------.------4
NOTES: 6. THIS SYMBOL INDICATES A no VOLTAGE won:
1. ALL RESISTORS ARE 1124mm UNLESS MARKED omERwISE. 1" ARMED AN 5'5 5°"°'"° I "M" WING
5'5 LU 5 ' MS K'lm- M"-°°°'°°°- 1. (.3 THIS SYMBOL INDICIITES THE rm 0: VOLTAGE As
2. ALL CAPACITOR VALUES LESS THAN 1 ARE IN uF.UNLESS '" NOTES AN 6- I
MARKED OTHERWISE. I
8. IN THE GDIIST AUTO INTRUSION ALARM, THE VALUE OF
R23 IS ZZKQ AND THE VALUE OF-IR24 IS 33). IN THE
*- or .3
d. 0 THIS SYMBOL INDICATES A DC VOLTAGE UNDER 9, WIRES J] THROUGH J4 ARE USED AS FOLLOWS:
AN "ARMED" BUT SIREN NOT SOUNDINGI 0R HORN fl SEQUENCE ' 11 AND 12 I
NOT BLOWING f2 SEQUENCE - J3 hND J4 -
5. -=- mus SYMBOL INDICATES CHASSIS caouuo. "1157'15'RE" CESSPRY '12