harman/kardon
AVR525
2. BACK SURROUND B'D
: 5 Min. After power on, please set up Bias as below,
SBL > adjusting VR31 check P301 to 23mV +2mv/-1mV.
Center > adjusting VR41 check P308 to 23mV +2mV/-1mV.
SBR > adjusting VR51 check P309 to 23mV +2mV/-1mV.
P301 VR31 BACK SURROUND L-CH
VR41
P308 CENTER-CH
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