MDR-NC500D9SECTION 4ELECTRICAL ADJUSTMENTSNOISE CANCELING VOLUME ADJUSTMENTProcedure:1. Prepare the following parts.22 kΩ resistor (Part No.: 1-260-115-11)330 Ω resistor (Part No.: 1-260-093-11)270 Ω resistor (Part No.: 1-260-092-11)39 Ω resistor (Part No.: 1-260-082-11)100 μF capacitor (Part No.: 1-126-933-11)2. Remove the shield sheet (C) and sheet (A). (Refer to Fig. 1-1)3. Remove lead wires of the TP182 (dark blue), TP183 (red/dark blue). (for CHARGER board (SP101)) (Refer to Fig. 1-2)4. Remove lead wires of the TP282 (natural), TP283 (red). (for SP201) (Refer to Fig. 1-2)remove the sheet (A) remove the shield sheet (C)SL101R111TP103RV282RV101RemoveRemoveRedRed/Dark BlueDark BlueNatural RV201RV182SP201TP183TP182TP282TP283TP478TP184TP203TP284R211 SL201CHARGER board(SP101)– MAIN Board (Side B) –Fig. 1-1 Fig. 1-2