Data General NOVA 4/S Manual page 96

Data General Corporation (DGC) has prepared this manual for use by DGC personnel and customers as a guide to the proper installation, operation, and
maintenance of DGC equipment and software. The drawings and specifications contained herein are the property of DGC and shall neither be reproduced in whole
or in part without DGC's prior written approval nor be implied to grant any license to make, use, or sell equipment manufactured in accordance herewith.
+15V VOLTAGE #H————O PWR OK
POWER ON +—————O MEM OK
(oO LINE o 0-619 VNR I Oe INTPE TO BATTERY BACKUP
Oo © PWRFAIL
TO LINE 12 4 __ SHUTDOWN TO PULSE WIDTH
CORD o- > w +15V AUX MODULATION CONTROL
> -———_————O +5VB
° AUXILIARY SWITCH
O- | VOLTAGE m AUX | sort De >
6 SUPPLY START | MODULATION INVERTER DC -O -5V
| O o | dy +5 AUX -~O +15V
a
+12V MEM | \ [ AWN SERIES PASS ~9 +12V
~ 1 a REGULATOR
| SYSTEM CLOCK
VAC CIRCUITRY OVER
» | LINE CLOCK Sous CURRENT be
IT DETECTOR
| CIRCU SHUTDOWN
TEMP HUTDOWN | mex atl ORARY SHUTDO FROM REED SWITCHES
| [some | oe
; CRYSTAL CLOCK | TO CLK TEMPORARY SHUTDOWN CURRENT |. +12VMEM FROM BATTERY
| DIVIDERS | © ENBCLK LIMITER BACKUP
| — [-—0 500HZ !
| .
| PERMANENT SHUTDOWN +12V
DG-05874 | ~¢ VOLTAGE
rr en me DETECTOR bg—— +5V