QSC PowerLight3 Series - Schematic Sheet AMP CH-B, PL380 through January 2008

PL3 Series Service Manual 85
TD-000274-00 Rev. A
Signal Path (linear)
Signal Path (PWM)
-14V
CLIM-B
-14V
+5V:LIN
B-LIM
-5V:LIN
+5V:LIN
+14V
+14V
-14V
IN-B-POS
+14V
OFFSET-B
+5V:LIN
-5V:SW
B-MUTE-LO
+5V:LINZOB-B OC-LIM-B
OUT-B
-5V:SW
CLIP-B
-5V:LIN CLIM-B
CL-B-ON
+14V B-THERM
PS-CUR
PS-LIM
VMON-B
IN-B-REF
SW-B
+5V:SW
CLK-B
OC-FB-B
-5V:SW
+5V:SW
+5V:SW
+5V:SW
AMP_TRIG_B
VCL-N
VCL-P
+5V:SW
SW-B
B-HI-S
B-HI-25
+180
OUT-B
-14V
+14V
IMON-B
+14V
B-25V-LO
FB-B
OC-FB-B
-5V:LIN
-14V
+5V:LIN
+14V
OC-LIM-B
-180
OUT-B
ZOB-B
EMI_G
BR-POS
BR-NEG
EMI_G
Schematic sheet AMP CH-B, PL380 through January 2008