AVR 630 - Harman Kardon Audio Technical Bulletin (repair manual). Page 2

 

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4)  Unplug each the cable on the Bias PCB, desolder the female plugs, cut the connectors off each wire, 

strip the insulation 1/8” on each end and solder directly to the PCB assembly in each location. 

5)  For locations N801, N802, N803, N804 on the Main PCB, set the unit on its side and remove the 

bottom grille.  (See Figure 2)  Desolder and remove each connector. Cut the connectors off each wire, 
strip the insulation 1/8” on each end and solder directly to the PCB assembly in each location. 

6)  For location P805 (see Figure 1) on the Main PCB, unplug the cable, carefully cut away the female 

plug with diagonal cutters on the PCB surface, leaving the three conductors intact.  Cut the connector 
off each wire, strip the insulation 1/8” on each end, slide a piece of shrink tubing on each conductor 
and solder each wire directly to the three conductors on the PCB.  Heat the shrink tubing to complete 
the connection, and add some silicon seal or similar adherent to affix the wires on the PCB.