•
-POWER STB BUTTON
-POWER LEDO
• --Xover BUTTON
---Xover LED2
---Xover LED
• --Polarity BUTTON
--Polarity LE
THRU OUT
Signal
Detector
PREAMP
+15V -15V
I
I
ignal Detect
M CU_3.3V-
•
MCU
SMPS + AMP Board
AC 200-240V
1+-
---VO L----
signal LED----+
Clip LEO-
f-----------<NPUT BAL
,---------A1DC BIA,;:,---�
DSP
Control Board
I----�
5VDC
I
5VDC
BUFFER
I
+1L f Mcj3v3
l
j
o+P
I
AC SENSE
STB
MUTE
-15V
5VDC
CONNECTOR
CONNECTOR
�
7BT L
Woofer
Block Diagrams
IRX115S Service Manual
Version A - 11/20
7
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