NAD 3020B - 3020 B PCB Parts Location and Wiring Diagram

3020B SCHEMATIC DIAGRAM
NOTES!
1 ALL RESISTORS ARE 1/6W!5%% CARBON UNLESS OTHERWISE SPECIFIED.
2 ALL DIODES ARE BAW62 UNLESS OTHERWISE SPECIFIED.
3 CAPACITANCE ARE IN uF UNLESS OTHERWISE SPECIFIED.
4 MEANS RESISTOR WITH CERAMIC TUBE STAND UPON THE P.CB.
S CIIMEANS MOUNT ON COMMON HEAT SINK.
6 XX MEANS R653 R654 WILL BE SHORTED AFTER IDLE CURRENT ALIGNMENT.
7 THE VOLTAGE SHOWN AT EACH POINTS ARE TESTED ON STATIC CONDITON.
8 ALL SW ARE ATOFF POSITION.
ChOt
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1k
27K
@509 = PRE OUT
NOTES 2 NOTE 4: FUSES RATING
1 SW-10,bcd: POWER SW
2 SW-2a.b :PHONO SW, UL, CA SO,FL,OM
32 SW-3a.b :TUNER SW. FOR: SI, HK UK.AS.IL
\ 4 SW-La.b :AUX SW. EC,SA.
5 SW-Sa.b ‘TAPE MONITOR SW. F1,F2: 1A/250V TIA/250V.
! 6 SW-6a.b : LOUDNESS SW. F3,F4: T3A/250V 1315A/250V.
i w 7 SW-7 MONO
\ Z 8 SW-Bab :SOFT CLIPPING, .
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