MACKIE FRS1700 - Manual (Page 17)

17
Owner’s Manual
Owner’
s Manual
1+
1–
2–
2+
INPUT
1
BALANCED LINE INPUT
(TRS)
INPUT
1
BALANCED LINE INPUT
(XLR-F) INPUT
2
BALANCED LINE INPUT
(TRS)
INPUT
2
BALANCED LINE INPUT
(XLR-F)
STEREO
MONO
CHANNEL
2
LEVEL
CHANNEL
1
LEVEL
AMP MODE SWITCH
AMP MODE SWITCH
CLIP
LIMITER
BRIDGE
STEREO
MONO
BRIDGE
SUBSONIC
FIL
TER
ON OFF ON OFF
ON OFF ON
HVDC+
POWER AMP
1
POWER AMP
2
PROTECTION DC OFFSET OVER TEMP SHOR
T CIRCUIT
CURRENT
LIMIT
AMPLIFIER
LVDC+ LVDC– HVDC– HVDC+ LVDC+ LVDC– HVDC–
METER DISPLA
Y
OFF
CHANNEL
1
SPEAKER
OUT
BRIDGED SPEAKER
OUT
CHANNEL
2
SPEAKER
OUT
+ –
+ –
1+
1–
2–
2+
+ –
1+
1–
2–
2+
+ –
+ –
TEMP SENSOR
(ON HEA
TSINK)
FA
N
VARIABLE SPEED CONTROL
VDC+
POWER SWITCH
SWITCHING POWER SUPPL
Y
HVDC+ LVDC+ LVDC– HVDC– VDC+ VDC–
120V/240V JUMPER
SWITCHING
POWER
CONTROLLER
FA
N
FA
N
Block Diagram