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BATTERY TRAY CY-8664/VRC
OUT
ADJ
IN
NOTES:
1. THE NICAD SENSE LINE IS
DISCONNECTED. THIS DISABLES
THE CHARGE FUNCTION.
2. K1 RELAY IS SHOWN IN THE
ENERGIZED STATE. K1 IS ENERGIZED BY
2.0 TO 32 VDC AT J1-F. IF THE 13 VDC LINE
DROPS LOW, THEN THE POWER SUPPLY
ADAPTER DIODES ALLOW THE BATTERY
TO SUPPLY RT VOLTAGE.
CONNECTS TO
BATTERY BOX
Z
U
F
P1
NC
CHARGE PWR
REG PWR
TEST IN
NO
S1
DS1
IND
+27 VDC
BATTERY TEST
GROUND
NOTE 1
NICAD SENSE
BATTERY +13 Vdc
"0"
"1"
EQUIVALENT CIRCUIT
OF LAMP DRIVER TO
LIGHT DS1 DURING TEST
K2
RELAY
K1
POWER
RELAY
DE-ENERGIZED
ENERGIZED
C4
C3
GND
VI
U1
VO
GROUND
+27 Vdc
R1
+13 VDC
A
D
F
A
E
F
J1
P2
P1
D
TO POWER
SUPPLY
ADAPTER
J4
NOTE 2
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