Function of each PWB
AUDIO PWB ASSY
AUDIO AMPLIFIER
SENB PWB,SENC PWB ,SEND PWB
Temperature sensor
232C PWB
Remote in-out, 232C input terminal
CTL PWB
INPUT SELECT/EXIT,LEFT/+,RIGHT/+
VOLUME UP/DOWN,PROCEED
PWR PWB
Power switch
LED PWB
POWER/STANDBY LED
POWER UNIT
9