Quantum QG-5000

Chapter 6 Diagrams
HF Series X-ray Generator - Service Manual Revision W
Quantum Medical Imaging, LLC 6-42
Figure 6-35. Single-Phase STORED ENERGY Line
Monitor Circuit Block Diagram
D12
1N4148
D15
1N4148
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-15VDC
+15VDC
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-15VDC
+15VDC
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-15VDC
+15VDC
+24VDC (P/S)
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+24VDC110VAC/220VAC IN
FROM
CAPACITOR
BANK
V SENSE (V-)
TO LOGIC
CIRCUIT
TO LOGIC
CIRCUIT
TO LOGIC
CIRCUIT
V SENSE (V+)
DC RTN
-15VDC
+15VDC
+24VDC
SYSTEM ON/OFF
ADJUSTABLE REF
+24VDC
+24VDC (P/S)
TO
CAPACITOR
BANK
TO CONTACTOR
K1
FROM LOGIC
CIRCUIT
FROM
OPERATOR
CONTROL
PANEL
CIRCUIT
AUTO SHUTOFF
SYSTEM ON
OVERVOLT FAULT
200VAC IN
CHARGER OUTPUT (+)
200VAC IN
CHARGER OUTPUT(-)
TO
BATTERY
PACK
OVERVOLT FAULT
FROM
LOGIC
CIRCUIT
FROM
OPERATOR
CONTROL
PANEL
C
IRCUIT
110/220VAC IN
BRIDGE
DIODE
TRANSFORMER
24VDC
VOLTAGE
REGULATOR
20VAC OUT
AMPLIFIER
U1A
AMPLIFIER
U4C
BATTERY- VOLTAGE RTN
U4A
U4B
U1C
BATTERY+ VOLTAGE RTN
BATTERY+ VOLTAGE
AMPLIFIER
U1B
BATTERY- VOLTAGE
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
U4D
AMPLIFIER
U1D
-15VDC
DC RTN
+24VDC
+15VDC
RELAY
RELAY
RELAY
SYSTEM ON/OFF
BYPASS
CAPACITORS
INRUSH
RESISTORS
DISCHARGE
RELAY
SHUTOFF
AUTO
DIODE
BRIDGE
ON
CHARGER
TRIAC
TURN-ON
CIRCUIT
DELAY
RELAY
CHARGING
CONTROL
CIRCUIT
TURN-OFF
CIRCUIT
DELAY
CIRCUIT
SYSTEM
ON
TURN-OFF
BRIDGE
DELAY
CIRCUIT
DELAY
CHARGING
CIRCUIT
ON
CIRCUIT
CHARGER
RELAY
CONTROL
DIODE
TRIAC
TURN-ON