Harman Kardon AVR635 Service Manual page 24

Harman/Kardon
☞ Power is on and After 5 Minutes. Please, adjust Bias as below,
2. BACK SURROUND B'D
▶ SBL
▶ Center
▶ SBR
P301 VR301 BACK SURROUND R-CH
P201 VR201 BACK SURROUND L-CH
AVR635/230
Adjust
→ use VR201 , set to 23mV +2mv/-1mV.
→ use VR501 ,set to 23mV +2mV/-1mV.
→ use VR301, set to 25mV +2mV/-1mV.
P501 VR501 CENTER-CH
Harman Consumer Group International
Alignment /Bias adjusments
Measure at
Test Point 201
Test Point 501
Test Point 301