Electrical Adjustment - Sony MDR-NC500D Servise Manual

NOISE CANCELING VOLUME ADJUSTMENT
Procedure:
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)
Fig. 1-1
SECTION 4
ELECTRICAL ADJUSTMENTS
CHARGER board
(SP101)
Remove
SP201
– MAIN Board (Side B) –
Remove
Red/Dark Blue
TP183
TP182
Dark Blue
RV101
RV201
Natural
TP282
TP283
Red
Fig. 1-2
MDR-NC500D
RV282
TP284
SL201
R211
TP203
RV182
TP184
R111
TP103
SL101
TP478
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