pioneer-a6-amp.sch 27.1 KB
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v 20150930 2
C 40000 40000 0 0 0 title-A2.sym
C 55400 52300 1 180 0 pnp-2.sym
{
T 54800 51900 5 10 0 0 180 0 1
device=PNP_TRANSISTOR
T 54900 52000 5 10 1 1 180 0 1
refdes=Q416
T 55100 51700 5 10 1 1 0 6 1
value=2SA750
}
C 46400 54200 1 180 0 pnp-2.sym
{
T 45800 53800 5 10 0 0 180 0 1
device=PNP_TRANSISTOR
T 45900 53900 5 10 1 1 180 0 1
refdes=Q404
T 46100 53600 5 10 1 1 0 6 1
value=2SA750
}
C 53600 54200 1 180 1 pnp-2.sym
{
T 54200 53800 5 10 0 0 180 6 1
device=PNP_TRANSISTOR
T 54100 53900 5 10 1 1 180 6 1
refdes=Q410
T 53900 53600 5 10 1 1 0 0 1
value=2SA905
}
C 59600 47500 1 180 1 pnp-2.sym
{
T 60200 47100 5 10 0 0 180 6 1
device=PNP_TRANSISTOR
T 60100 47200 5 10 1 1 180 6 1
refdes=Q2
T 59900 46900 5 10 1 1 0 0 1
value=2SA1075
}
C 58600 46900 1 180 1 pnp-2.sym
{
T 59200 46500 5 10 0 0 180 6 1
device=PNP_TRANSISTOR
T 59100 46600 5 10 1 1 180 6 1
refdes=Q422
T 58900 46300 5 10 1 1 0 0 1
value=2SA968
}
C 49500 53000 1 180 1 pnp-2.sym
{
T 50100 52600 5 10 0 0 180 6 1
device=PNP_TRANSISTOR
T 50000 52700 5 10 1 1 180 6 1
refdes=Q406
T 49800 52400 5 10 1 1 0 0 1
value=2SA1015
}
C 59600 52100 1 0 0 npn-2.sym
{
T 60200 52600 5 10 0 0 0 0 1
device=NPN_TRANSISTOR
T 60100 52800 5 10 1 1 180 6 1
refdes=Q4
T 59900 52500 5 10 1 1 0 0 1
value=2SC2525
}
C 47400 50900 1 0 0 npn-2.sym
{
T 48000 51400 5 10 0 0 0 0 1
device=NPN_TRANSISTOR
T 47900 51500 5 10 1 1 0 0 1
refdes=Q402b
T 47700 51300 5 10 1 1 0 0 1
value=2SC2291
}
C 50500 53000 1 0 1 npn-2.sym
{
T 49900 53500 5 10 0 0 0 6 1
device=NPN_TRANSISTOR
T 50000 53700 5 10 1 1 180 0 1
refdes=Q408
T 50200 53400 5 10 1 1 0 6 1
value=2SC1815
}
C 55400 47300 1 0 1 npn-2.sym
{
T 54800 47800 5 10 0 0 0 6 1
device=NPN_TRANSISTOR
T 54900 48000 5 10 1 1 180 0 1
refdes=Q418
T 55100 47700 5 10 1 1 0 6 1
value=2SC1400
}
C 58600 52700 1 0 0 npn-2.sym
{
T 59200 53200 5 10 0 0 0 0 1
device=NPN_TRANSISTOR
T 59100 53400 5 10 1 1 180 6 1
refdes=Q420
T 58900 53100 5 10 1 1 0 0 1
value=2SC2238
}
C 53600 45400 1 0 0 npn-2.sym
{
T 54200 45900 5 10 0 0 0 0 1
device=NPN_TRANSISTOR
T 54100 46100 5 10 1 1 180 6 1
refdes=Q424
T 53900 45800 5 10 1 1 0 0 1
value=2SC1915
}
C 61700 50500 1 0 0 inductor-1.sym
{
T 61900 51000 5 10 0 0 0 0 1
device=INDUCTOR
T 62050 50900 5 10 1 1 180 6 1
refdes=L2
T 61900 51200 5 10 0 0 0 0 1
symversion=0.1
T 62000 50400 5 10 1 1 0 0 1
value=0.7u
}
C 58700 53400 1 90 0 capacitor-1.sym
{
T 58000 53600 5 10 0 0 90 0 1
device=CAPACITOR
T 58400 54100 5 10 1 1 180 0 1
refdes=C410
T 57800 53600 5 10 0 0 90 0 1
symversion=0.1
T 58400 53700 5 10 1 1 180 0 1
value=150p
}
C 58700 45300 1 90 0 capacitor-1.sym
{
T 58000 45500 5 10 0 0 90 0 1
device=CAPACITOR
T 58000 45900 5 10 1 1 0 0 1
refdes=C412
T 57800 45500 5 10 0 0 90 0 1
symversion=0.1
T 58400 45600 5 10 1 1 180 0 1
value=150p
}
C 58700 52100 1 90 1 capacitor-1.sym
{
T 58000 51900 5 10 0 0 270 2 1
device=CAPACITOR
T 58400 51800 5 10 1 1 0 6 1
refdes=C422
T 57800 51900 5 10 0 0 270 2 1
symversion=0.1
T 57900 51600 5 10 1 1 0 0 1
value=18n
}
C 53300 52600 1 90 0 capacitor-1.sym
{
T 52600 52800 5 10 0 0 90 0 1
device=CAPACITOR
T 53600 53300 5 10 1 1 180 0 1
refdes=C416
T 52400 52800 5 10 0 0 90 0 1
symversion=0.1
T 53500 52900 5 10 1 1 180 0 1
value=56p
}
C 48700 54600 1 270 1 capacitor-1.sym
{
T 49400 54800 5 10 0 0 90 2 1
device=CAPACITOR
T 48800 55300 5 10 1 1 180 0 1
refdes=C406
T 49600 54800 5 10 0 0 90 2 1
symversion=0.1
T 48800 54800 5 10 1 1 0 6 1
value=15p
}
C 60000 49200 1 270 0 resistor-2.sym
{
T 60350 48800 5 10 0 0 270 0 1
device=RESISTOR
T 59900 48900 5 10 1 1 180 0 1
refdes=R444b
T 59900 48600 5 10 1 1 0 6 1
value=0.22
}
C 59000 51200 1 270 1 resistor-2.sym
{
T 59350 51600 5 10 0 0 90 2 1
device=RESISTOR
T 59300 51800 5 10 1 1 180 6 1
refdes=R442
T 59600 51500 5 10 1 1 0 6 1
value=470
}
C 54800 53200 1 270 0 resistor-2.sym
{
T 55150 52800 5 10 0 0 270 0 1
device=RESISTOR
T 55100 52900 5 10 1 1 180 6 1
refdes=R426
T 55100 52600 5 10 1 1 0 0 1
value=680
}
C 55800 48400 1 270 0 resistor-2.sym
{
T 56150 48000 5 10 0 0 270 0 1
device=RESISTOR
T 56100 48100 5 10 1 1 180 6 1
refdes=R432
T 56100 47800 5 10 1 1 0 0 1
value=180
}
C 54200 45200 1 90 1 resistor-2.sym
{
T 53850 44800 5 10 0 0 270 2 1
device=RESISTOR
T 54300 44900 5 10 1 1 180 6 1
refdes=R422
T 54300 44600 5 10 1 1 0 0 1
value=100
}
C 60000 51300 1 270 0 resistor-2.sym
{
T 60350 50900 5 10 0 0 270 0 1
device=RESISTOR
T 59900 51000 5 10 1 1 180 0 1
refdes=R444a
T 59900 50700 5 10 1 1 0 6 1
value=0.22
}
C 54800 47300 1 270 0 resistor-2.sym
{
T 55150 46900 5 10 0 0 270 0 1
device=RESISTOR
T 55100 47000 5 10 1 1 180 6 1
refdes=R428
T 55100 46700 5 10 1 1 0 0 1
value=680
}
C 56000 52100 1 90 1 resistor-2.sym
{
T 55650 51700 5 10 0 0 270 2 1
device=RESISTOR
T 56100 51800 5 10 1 1 180 6 1
refdes=R430
T 56100 51500 5 10 1 1 0 0 1
value=180
}
C 53500 50400 1 180 0 resistor-2.sym
{
T 53100 50050 5 10 0 0 180 0 1
device=RESISTOR
T 53300 50600 5 10 1 1 180 0 1
refdes=R474
T 53200 50000 5 10 1 1 0 6 1
value=33k
}
C 55800 54800 1 270 0 resistor-2.sym
{
T 56150 54400 5 10 0 0 270 0 1
device=RESISTOR
T 56100 54500 5 10 1 1 180 6 1
refdes=R434
T 56100 54200 5 10 1 1 0 0 1
value=39k
}
C 55800 45800 1 270 0 resistor-2.sym
{
T 56150 45400 5 10 0 0 270 0 1
device=RESISTOR
T 56100 45500 5 10 1 1 180 6 1
refdes=R436
T 56100 45200 5 10 1 1 0 0 1
value=39k
}
C 56300 46300 1 0 0 resistor-2.sym
{
T 56700 46650 5 10 0 0 0 0 1
device=RESISTOR
T 56500 46600 5 10 1 1 0 0 1
refdes=R458
T 56600 46100 5 10 1 1 0 0 1
value=220
}
C 43400 48600 1 90 0 voltage-1.sym
{
T 42900 48700 5 10 0 0 90 0 1
device=VOLTAGE_SOURCE
T 42700 49000 5 10 1 1 180 8 1
refdes=Vin
T 43400 48600 5 10 0 0 0 0 1
value=AC 0 DC 0
}
C 55700 50800 1 270 0 diode-1.sym
{
T 56300 50400 5 10 0 0 270 0 1
device=DIODE
T 56200 50400 5 10 1 1 0 0 1
refdes=D412
T 56200 50200 5 10 1 1 0 0 1
value=1S2473
}
C 56100 49700 1 90 1 diode-1.sym
{
T 55500 49300 5 10 0 0 270 2 1
device=DIODE
T 56600 49300 5 10 1 1 0 6 1
refdes=D414
T 56800 49100 5 10 1 1 0 6 1
value=1S2473
}
C 52900 45000 1 270 0 diode-1.sym
{
T 53500 44600 5 10 0 0 270 0 1
device=DIODE
T 52400 44600 5 10 1 1 0 0 1
refdes=D406
T 52200 44400 5 10 1 1 0 0 1
value=1S2473
}
C 54100 49400 1 0 0 diode-1.sym
{
T 54500 50000 5 10 0 0 0 0 1
device=DIODE
T 54800 50000 5 10 1 1 180 0 1
refdes=D410a
T 54300 49500 5 10 1 1 180 0 1
value=1S2473
}
N 59100 52600 59600 52600 4
N 59100 52700 59100 52100 4
N 59600 47000 59100 47000 4
N 59100 51200 59100 46900 4
N 60100 53100 60100 55600 4
N 45900 55600 54800 55600 4
N 60100 46500 60100 44100 4
N 50300 44100 60100 44100 4
N 59100 45900 59100 44100 4
N 59100 53700 59100 55600 4
N 58500 53400 58500 52100 4
N 58500 53200 58600 53200 4
N 58500 46200 58500 51200 4
N 58500 46400 58600 46400 4
N 55900 49800 61700 49800 4
N 60100 49800 60100 49200 4
N 60100 50400 60100 49800 4
N 54100 47800 54100 48800 4
N 55900 49700 55900 49900 4
C 56500 50800 1 0 0 zener-1.sym
{
T 56900 51400 5 10 0 0 0 0 1
device=ZENER_DIODE
T 56800 51600 5 10 1 1 180 6 1
refdes=DZ418
T 56800 51400 5 10 1 1 180 6 1
value=MZ043
}
C 50500 46000 1 90 0 zener-1.sym
{
T 49900 46400 5 10 0 0 90 0 1
device=ZENER_DIODE
T 49500 46300 5 10 1 1 0 0 1
refdes=DZ701
T 49400 46100 5 10 1 1 0 0 1
value=EQA0135
T 50500 46000 5 10 0 0 270 0 1
comment=36V Zener
}
C 57400 48800 1 180 0 zener-1.sym
{
T 57000 48200 5 10 0 0 180 0 1
device=ZENER_DIODE
T 56800 48200 5 10 1 1 0 0 1
refdes=DZ416
T 56800 48000 5 10 1 1 0 0 1
value=MZ043
}
N 54600 52300 54900 52300 4
N 54600 47300 54900 47300 4
N 54100 51300 54100 51800 4
N 54900 48300 54100 48300 4
N 54900 51300 54100 51300 4
N 56300 53200 54100 53200 4
N 54100 52800 54100 53200 4
N 54100 46800 54100 46400 4
N 56300 46400 54100 46400 4
C 47700 55600 1 270 0 diode-1.sym
{
T 48300 55200 5 10 0 0 270 0 1
device=DIODE
T 47200 55000 5 10 1 1 0 0 1
refdes=D402
T 47200 54800 5 10 1 1 0 0 1
value=1S2473
}
C 52900 45900 1 270 0 diode-1.sym
{
T 53500 45500 5 10 0 0 270 0 1
device=DIODE
T 52400 45500 5 10 1 1 0 0 1
refdes=D408
T 52200 45300 5 10 1 1 0 0 1
value=1S2473
}
N 54100 45200 54100 45400 4
N 53600 45900 53100 45900 4
N 53100 46100 53100 45900 4
N 54100 44100 54100 44300 4
N 55500 52300 55900 52300 4
N 55500 47300 55900 47300 4
N 56500 48600 55900 48600 4
N 55900 51000 56500 51000 4
N 54100 54600 54100 54200 4
N 53900 54400 54100 54400 4
N 53600 53700 52800 53700 4
N 52800 53700 52800 55900 4
N 52800 54400 53000 54400 4
C 53900 54300 1 0 1 resistor-2.sym
{
T 53500 54650 5 10 0 0 0 6 1
device=RESISTOR
T 53200 54700 5 10 1 1 180 6 1
refdes=R414
T 53300 54100 5 10 1 1 0 0 1
value=300
}
C 50700 55400 1 270 0 resistor-2.sym
{
T 51050 55000 5 10 0 0 270 0 1
device=RESISTOR
T 51000 55100 5 10 1 1 180 6 1
refdes=R416
T 51000 54800 5 10 1 1 0 0 1
value=18k
}
C 57500 50900 1 270 0 resistor-2.sym
{
T 57850 50500 5 10 0 0 270 0 1
device=RESISTOR
T 57800 50600 5 10 1 1 180 6 1
refdes=R440
T 57800 50300 5 10 1 1 0 0 1
value=2.2k
}
C 57500 49600 1 270 0 resistor-2.sym
{
T 57850 49200 5 10 0 0 270 0 1
device=RESISTOR
T 57800 49300 5 10 1 1 180 6 1
refdes=R438
T 57800 49000 5 10 1 1 0 0 1
value=3.6k
}
N 55900 53900 55900 52100 4
N 55900 45800 55900 47500 4
N 57600 50000 57600 49600 4
N 57400 51000 57600 51000 4
N 57400 48600 57600 48600 4
N 57200 53200 58500 53200 4
N 57600 53200 57600 50900 4
N 57200 46400 58500 46400 4
N 57600 46400 57600 48700 4
N 54100 55500 54100 55600 4
N 55900 55600 55900 54800 4
N 60100 47500 60100 48300 4
N 60100 51300 60100 52100 4
N 55900 44900 55900 44100 4
C 51100 54400 1 180 1 capacitor-4.sym
{
T 51300 53300 5 10 0 0 0 2 1
device=POLARIZED_CAPACITOR
T 50900 54400 5 10 1 1 180 6 1
refdes=C408
T 51300 53700 5 10 0 0 0 2 1
symversion=0.1
T 51800 54400 5 10 1 1 180 6 1
value=47u
}
N 50000 52000 50000 49800 4
N 50500 53500 51100 53500 4
N 50800 53500 50800 54500 4
N 49900 54200 50800 54200 4
N 50000 54000 50000 55900 4
N 50000 55900 52800 55900 4
N 50800 55400 50800 55600 4
N 52300 54500 52300 52900 4
N 52000 53500 52300 53500 4
N 52300 55400 52300 55600 4
N 50800 54200 51100 54200 4
N 52000 54200 52300 54200 4
N 48900 51800 48900 54600 4
N 48900 54200 49000 54200 4
C 53000 47000 1 270 0 resistor-2.sym
{
T 53350 46600 5 10 0 0 270 0 1
device=RESISTOR
T 52900 46700 5 10 1 1 180 0 1
refdes=R448
T 52900 46400 5 10 1 1 0 6 1
value=100k
}
C 50900 51800 1 0 0 capacitor-1.sym
{
T 51100 52500 5 10 0 0 0 0 1
device=CAPACITOR
T 50800 52100 5 10 1 1 0 0 1
refdes=C426
T 51100 52700 5 10 0 0 0 0 1
symversion=0.1
T 51500 52100 5 10 1 1 0 0 1
value=47u
}
C 52000 48600 1 90 0 resistor-2.sym
{
T 51650 49000 5 10 0 0 90 0 1
device=RESISTOR
T 51700 49200 5 10 1 1 180 0 1
refdes=R468
T 51700 48900 5 10 1 1 0 6 1
value=10k
}
C 52400 48600 1 270 1 resistor-2.sym
{
T 52750 49000 5 10 0 0 90 2 1
device=RESISTOR
T 52700 49200 5 10 1 1 180 6 1
refdes=R454
T 52700 48900 5 10 1 1 0 0 1
value=15k
}
C 47800 54700 1 270 0 resistor-2.sym
{
T 48150 54300 5 10 0 0 270 0 1
device=RESISTOR
T 48100 54400 5 10 1 1 180 6 1
refdes=R410
T 48100 54100 5 10 1 1 0 0 1
value=2.2k
}
N 53100 47000 53100 48300 4
N 49700 50600 50700 50600 4
N 50900 52000 50600 52000 4
N 50600 52000 50600 50600 4
N 51800 50300 52600 50300 4
N 52200 50300 52200 52000 4
N 52200 52000 51800 52000 4
N 52500 49500 52500 50300 4
N 51800 50900 51900 50900 4
N 55400 49800 55900 49800 4
N 52500 48600 52500 48300 4
N 43200 48300 53100 48300 4
N 51900 48600 51900 48300 4
C 48100 47100 1 90 1 capacitor-1.sym
{
T 47400 46900 5 10 0 0 270 2 1
device=CAPACITOR
T 47800 46900 5 10 1 1 0 8 1
refdes=C26
T 47200 46900 5 10 0 0 270 2 1
symversion=0.1
T 47500 46400 5 10 1 1 0 0 1
value=10p
}
C 46100 48300 1 90 0 capacitor-1.sym
{
T 45400 48500 5 10 0 0 90 0 1
device=CAPACITOR
T 46000 48900 5 10 1 1 0 0 1
refdes=C402
T 45200 48500 5 10 0 0 90 0 1
symversion=0.1
T 46200 48700 5 10 1 1 0 0 1
value=560p
}
N 45900 52500 48900 52500 4
N 50000 51800 49900 51800 4
C 45400 49600 1 0 0 spice-njfet-1.sym
{
T 46200 50000 5 10 0 0 0 0 1
device=FET_TRANSISTOR
T 45600 50200 5 10 1 1 0 6 1
refdes=J426a
T 45600 50000 5 10 1 1 0 6 1
value=2SK129
}
C 48400 49600 1 0 1 spice-njfet-1.sym
{
T 47600 50000 5 10 0 0 0 6 1
device=FET_TRANSISTOR
T 48200 50200 5 10 1 1 0 0 1
refdes=J426b
T 48200 50000 5 10 1 1 0 0 1
value=2SK129
}
C 54600 51800 1 0 1 npn-2.sym
{
T 54000 52300 5 10 0 0 0 6 1
device=NPN_TRANSISTOR
T 54100 52500 5 10 1 1 180 0 1
refdes=Q412
T 54300 52200 5 10 1 1 0 6 1
value=2SC1400
}
C 46400 50900 1 0 1 npn-2.sym
{
T 45800 51400 5 10 0 0 0 6 1
device=NPN_TRANSISTOR
T 45900 51500 5 10 1 1 0 6 1
refdes=Q402a
T 46100 51300 5 10 1 1 0 6 1
value=2SC2291
}
C 49700 50700 1 180 0 resistor-2.sym
{
T 49300 50350 5 10 0 0 180 0 1
device=RESISTOR
T 49000 50800 5 10 1 1 0 0 1
refdes=R470
T 49100 50300 5 10 1 1 0 0 1
value=10k
}
C 54600 47800 1 180 0 pnp-2.sym
{
T 54000 47400 5 10 0 0 180 0 1
device=PNP_TRANSISTOR
T 54100 47500 5 10 1 1 180 0 1
refdes=Q414
T 54300 47200 5 10 1 1 0 6 1
value=2SA750
}
C 49000 54000 1 0 0 diode-1.sym
{
T 49400 54600 5 10 0 0 0 0 1
device=DIODE
T 49300 54700 5 10 1 1 0 0 1
refdes=D420
T 49200 54500 5 10 1 1 0 0 1
value=1S2473
}
C 45800 55300 1 270 0 resistor-2.sym
{
T 46150 54900 5 10 0 0 270 0 1
device=RESISTOR
T 46100 55000 5 10 1 1 180 6 1
refdes=R408
T 46100 54700 5 10 1 1 0 0 1
value=2.2k
}
C 47000 49800 1 90 0 resistor-2.sym
{
T 46650 50200 5 10 0 0 90 0 1
device=RESISTOR
T 47100 50400 5 10 1 1 180 6 1
refdes=R406
T 47100 50100 5 10 1 1 0 0 1
value=33k
}
C 44600 48500 1 90 0 resistor-2.sym
{
T 44250 48900 5 10 0 0 90 0 1
device=RESISTOR
T 44300 49100 5 10 1 1 180 0 1
refdes=R472
T 44300 48800 5 10 1 1 0 6 1
value=10k
}
C 47000 53800 1 90 0 resistor-2.sym
{
T 46650 54200 5 10 0 0 90 0 1
device=RESISTOR
T 47100 54400 5 10 1 1 180 6 1
refdes=R452
T 47100 54100 5 10 1 1 0 0 1
value=220k
}
N 45900 53200 45900 51900 4
N 47900 51900 47900 53800 4
N 46400 53700 47900 53700 4
N 46400 51400 47400 51400 4
N 46900 53800 46900 51400 4
N 45900 55300 45900 55600 4
N 45900 54200 45900 54400 4
N 46900 54700 46900 55600 4
N 47900 50900 47900 50300 4
N 45900 50900 45900 50300 4
N 45400 49800 44300 49800 4
N 45900 49600 47900 49600 4
N 46900 51400 46900 50700 4
N 46900 49800 46900 49600 4
N 46900 49600 46900 47700 4
N 46900 45800 46900 46800 4
N 45400 49200 45400 49800 4
N 45400 49300 45900 49300 4
N 45900 49300 45900 49200 4
C 45500 48300 1 90 0 resistor-2.sym
{
T 45150 48700 5 10 0 0 90 0 1
device=RESISTOR
T 45200 49000 5 10 1 1 180 0 1
refdes=R404
T 45200 48700 5 10 1 1 0 6 1
value=100k
}
N 45900 50600 44500 50600 4
N 44500 50600 44500 49400 4
N 44500 48500 44500 48300 4
N 43400 49800 43200 49800 4
C 44300 49900 1 180 0 resistor-2.sym
{
T 43900 49550 5 10 0 0 180 0 1
device=RESISTOR
T 43600 50000 5 10 1 1 0 0 1
refdes=R402
T 43700 49500 5 10 1 1 0 0 1
value=1k
}
N 48800 50600 47900 50600 4
C 49000 46200 1 90 0 resistor-2.sym
{
T 48650 46600 5 10 0 0 90 0 1
device=RESISTOR
T 48700 46800 5 10 1 1 0 8 1
refdes=R66
T 48400 46600 5 10 1 1 180 6 1
value=22k
}
N 50000 48900 50000 48300 4
C 48500 48600 1 90 0 resistor-2.sym
{
T 48150 49000 5 10 0 0 90 0 1
device=RESISTOR
T 48200 49200 5 10 1 1 180 0 1
refdes=R420
T 48200 48900 5 10 1 1 0 6 1
value=2.4k
}
N 48400 49800 48400 49500 4
N 48400 48600 48400 48300 4
N 48900 55500 48900 56200 4
N 48900 56200 60900 56200 4
N 43200 49800 43200 49500 4
N 43200 48600 43200 48300 4
N 51300 51200 51300 51100 4
C 57800 44100 1 180 0 vee-1.sym
C 62400 54650 1 0 0 vdc-1.sym
{
T 63100 55200 5 10 0 1 0 0 1
refdes=Vcc
T 62300 55200 5 10 1 1 0 6 1
value=DC +49V
T 62400 54650 5 10 0 1 0 0 1
device=VOLTAGE_SOURCE
}
C 62400 54550 1 180 1 vdc-1.sym
{
T 62000 54050 5 10 0 1 180 6 1
refdes=Vee
T 62300 53900 5 10 1 1 0 6 1
value=DC -49V
T 62400 54550 5 10 0 1 0 0 1
device=VOLTAGE_SOURCE
}
C 62125 54350 1 0 0 gnd-1.sym
{
T 62125 54350 5 10 0 0 0 0 1
netname=GND
}
C 62900 53350 1 180 0 vee-1.sym
{
T 62900 53350 5 10 0 0 0 0 1
netname=Vee
}
C 62500 55850 1 0 0 vcc-1.sym
{
T 62500 55850 5 10 0 0 0 0 1
netname=Vcc
}
N 62700 54650 62700 54550 4
N 62700 54650 62225 54650 4
C 50400 45400 1 90 1 resistor-2.sym
{
T 50050 45000 5 10 0 0 270 2 1
device=RESISTOR
T 50500 45100 5 10 1 1 180 6 1
refdes=R707
T 50500 44800 5 10 1 1 0 0 1
value=4.4k
}
C 48800 47300 1 270 1 resistor-2.sym
{
T 49150 47700 5 10 0 0 90 2 1
device=RESISTOR
T 48700 47900 5 10 1 1 180 0 1
refdes=R412
T 48700 47600 5 10 1 1 0 6 1
value=47k
}
C 48000 47300 1 90 0 resistor-2.sym
{
T 47650 47700 5 10 0 0 90 0 1
device=RESISTOR
T 47700 47900 5 10 1 1 180 0 1
refdes=R64
T 47700 47600 5 10 1 1 0 6 1
value=3.9k
}
N 48400 49800 48900 49800 4
N 48900 49800 48900 48200 4
N 48900 47100 48900 47300 4
N 47900 47300 47900 47100 4
N 47900 46200 47900 46100 4
N 48900 46100 47900 46100 4
N 48900 46200 48900 43500 4
C 62600 49900 1 180 0 resistor-2.sym
{
T 62200 49550 5 10 0 0 180 0 1
device=RESISTOR
T 61900 50100 5 10 1 1 180 6 1
refdes=R462
T 62050 49500 5 10 1 1 0 0 1
value=10
}
N 61400 50600 61400 49800 4
N 62900 50600 62900 49100 4
C 62800 49100 1 270 0 resistor-2.sym
{
T 63150 48700 5 10 0 0 270 0 1
device=RESISTOR
T 62700 48700 5 10 1 1 0 6 1
refdes=Rspkr
T 62400 48500 5 10 1 1 0 0 1
value=8
}
C 61300 49500 1 270 0 resistor-2.sym
{
T 61650 49100 5 10 0 0 270 0 1
device=RESISTOR
T 61600 49100 5 10 1 1 0 0 1
refdes=R464
T 61600 48900 5 10 1 1 0 0 1
value=10
}
C 61200 48600 1 270 0 capacitor-1.sym
{
T 61900 48400 5 10 0 0 270 0 1
device=CAPACITOR
T 61500 48300 5 10 1 1 0 0 1
refdes=C424
T 62100 48400 5 10 0 0 270 0 1
symversion=0.1
T 61700 48100 5 10 1 1 0 0 1
value=18n
}
N 61400 49500 61400 49800 4
N 61400 50600 61700 50600 4
N 62600 50600 62900 50600 4
N 62600 49800 62900 49800 4
N 61400 47700 62900 47700 4
N 62900 47700 62900 48200 4
N 61400 48600 60900 48600 4
N 60900 43500 60900 56200 4
C 62100 47400 1 0 0 gnd-1.sym
N 48900 43500 60900 43500 4
N 48900 47200 47900 47200 4
N 47900 48200 47900 48300 4
C 52100 55400 1 270 0 capacitor-4.sym
{
T 53200 55200 5 10 0 0 270 0 1
device=POLARIZED_CAPACITOR
T 51800 55100 5 10 1 1 0 0 1
refdes=C414
T 52800 55200 5 10 0 0 270 0 1
symversion=0.1
T 51800 54800 5 10 1 1 180 6 1
value=330u
}
N 48900 51800 49000 51800 4
T 56800 41000 9 18 1 0 0 0 1
Pioneer A6 Integrated Audio Amplifier
T 56300 40400 9 11 1 0 0 0 1
pioneer-a6-amp.sch
T 57100 40100 9 11 1 0 0 0 1
1
T 58000 40100 9 11 1 0 0 0 1
1
T 60200 40400 9 11 1 0 0 0 1
2016 - 11 - 09
T 60200 40100 9 11 1 0 0 0 1
M S Waters
C 40300 43800 1 0 0 spice-model-1.sym
{
T 40400 44500 5 10 0 1 0 0 1
device=model
T 40400 44400 5 10 1 1 0 0 1
refdes=A1
T 41600 44100 5 10 1 1 0 0 1
model-name=2SK129
T 40800 43900 5 10 1 1 0 0 1
file=../../lib/models/2sk129.mod
}
C 40300 42900 1 0 0 spice-model-1.sym
{
T 40400 43600 5 10 0 1 0 0 1
device=model
T 40400 43500 5 10 1 1 0 0 1
refdes=A2
T 41600 43200 5 10 1 1 0 0 1
model-name=2SC2291
T 40800 43000 5 10 1 1 0 0 1
file=../../lib/models/2sc2291.mod
}
C 40300 42000 1 0 0 spice-model-1.sym
{
T 40400 42700 5 10 0 1 0 0 1
device=model
T 40400 42600 5 10 1 1 0 0 1
refdes=A3
T 41600 42300 5 10 1 1 0 0 1
model-name=2SA750
T 40800 42100 5 10 1 1 0 0 1
file=../../lib/models/2sa750.mod
}
C 40300 41100 1 0 0 spice-model-1.sym
{
T 40400 41800 5 10 0 1 0 0 1
device=model
T 40400 41700 5 10 1 1 0 0 1
refdes=A4
T 42000 41400 5 10 1 1 0 0 1
model-name=2SC1815
T 40800 41200 5 10 1 1 0 0 1
file=../../lib/models/2sc1815.mod
}
C 40300 40200 1 0 0 spice-model-1.sym
{
T 40400 40900 5 10 0 1 0 0 1
device=model
T 40400 40800 5 10 1 1 0 0 1
refdes=A5
T 41600 40500 5 10 1 1 0 0 1
model-name=2SA1015
T 40800 40300 5 10 1 1 0 0 1
file=../../lib/models/2sa1015.mod
}
C 43300 42000 1 0 0 spice-model-1.sym
{
T 43400 42700 5 10 0 1 0 0 1
device=model
T 43400 42600 5 10 1 1 0 0 1
refdes=A6
T 44600 42300 5 10 1 1 0 0 1
model-name=2SA905
T 43800 42100 5 10 1 1 0 0 1
file=../../lib/models/2sa905.mod
}
C 43300 40200 1 0 0 spice-model-1.sym
{
T 43400 40900 5 10 0 1 0 0 1
device=model
T 43400 40800 5 10 1 1 0 0 1
refdes=A8
T 44600 40500 5 10 1 1 0 0 1
model-name=2SC1915
T 43800 40300 5 10 1 1 0 0 1
file=../../lib/models/2sc1915.mod
}
C 46400 41100 1 0 0 spice-model-1.sym
{
T 46500 41800 5 10 0 1 0 0 1
device=model
T 46500 41700 5 10 1 1 0 0 1
refdes=A10
T 47700 41400 5 10 1 1 0 0 1
model-name=2SA968
T 46900 41200 5 10 1 1 0 0 1
file=../../lib/models/2sa968.mod
}
C 46400 40200 1 0 0 spice-model-1.sym
{
T 46500 40900 5 10 0 1 0 0 1
device=model
T 46500 40800 5 10 1 1 0 0 1
refdes=A11
T 47700 40500 5 10 1 1 0 0 1
model-name=2SA1075
T 46900 40300 5 10 1 1 0 0 1
file=../../lib/models/2sa1075.mod
}
C 49500 42000 1 0 0 spice-model-1.sym
{
T 49600 42700 5 10 0 1 0 0 1
device=model
T 49600 42600 5 10 1 1 0 0 1
refdes=A12
T 50800 42300 5 10 1 1 0 0 1
model-name=2SC2525
T 50000 42100 5 10 1 1 0 0 1
file=../../lib/models/2sc2525.mod
}
C 49500 41100 1 0 0 spice-model-1.sym
{
T 49600 41800 5 10 0 1 0 0 1
device=model
T 49600 41700 5 10 1 1 0 0 1
refdes=A13
T 50800 41400 5 10 1 1 0 0 1
model-name=NJM4558
T 50000 41200 5 10 1 1 0 0 1
file=../../lib/models/njm4558.ckt
}
C 49500 40200 1 0 0 spice-model-1.sym
{
T 49600 40900 5 10 0 1 0 0 1
device=model
T 49600 40800 5 10 1 1 0 0 1
refdes=A14
T 50800 40500 5 10 1 1 0 0 1
model-name=MZ100
T 50000 40300 5 10 1 1 0 0 1
file=../../lib/models/mz100.mod
}
N 55900 50800 55900 51200 4
N 55900 48800 55900 48400 4
N 55500 52300 55500 51800 4
N 55500 47300 55500 47800 4
T 40300 56200 9 11 1 0 180 6 3
J426 is a temperature coupled pair of JFETs that specs aren't
available for. It seems that the uPA68H is similar so it's
data sheet has been used to create the SPICE model.
T 58200 40700 9 12 1 0 0 0 1
Power Amplifier Stage
C 51800 50100 1 0 1 opamp-2.sym
{
T 51000 51100 5 10 0 0 0 6 1
device=OPAMP
T 50900 50300 5 10 1 1 0 6 1
refdes=U427
T 51000 51300 5 10 0 0 0 6 1
symversion=0.1
T 50300 50100 5 10 1 1 0 0 1
value=NJM4558
}
N 53500 50300 55400 50300 4
N 53700 51900 53700 50300 4
C 55000 49000 1 180 0 diode-1.sym
{
T 54600 48400 5 10 0 0 0 8 1
device=DIODE
T 54300 49100 5 10 1 1 180 8 1
refdes=D410b
T 53700 48900 5 10 1 1 180 8 1
value=1S2473
}
T 40300 55100 9 11 1 0 180 6 2
D410 is a STV2H reference diode having a voltage drop
of about 1.2V. It's simulated by two signal diodes in series.
C 43300 41100 1 0 0 spice-model-1.sym
{
T 43400 41800 5 10 0 1 0 0 1
device=model
T 43400 41700 5 10 1 1 0 0 1
refdes=A7
T 44600 41400 5 10 1 1 0 0 1
model-name=2SC1400
T 43800 41200 5 10 1 1 0 0 1
file=../../lib/models/2sc1400.mod
}
C 46400 42000 1 0 0 spice-model-1.sym
{
T 46500 42700 5 10 0 1 0 0 1
device=model
T 46500 42600 5 10 1 1 0 0 1
refdes=A9
T 47700 42300 5 10 1 1 0 0 1
model-name=2SC2238
T 46900 42100 5 10 1 1 0 0 1
file=../../lib/models/2sc2238.mod
}
C 52000 53700 1 180 0 zener-1.sym
{
T 51600 53100 5 10 0 0 180 0 1
device=ZENER_DIODE
T 51300 53100 5 10 1 1 0 0 1
refdes=DZ404
T 51300 52900 5 10 1 1 0 0 1
value=MZ100
}
C 50100 49800 1 90 1 resistor-2.sym
{
T 49750 49400 5 10 0 0 270 2 1
device=RESISTOR
T 49800 49500 5 10 1 1 180 0 1
refdes=R446
T 49800 49200 5 10 1 1 0 6 1
value=2.2k
}
C 51200 46900 1 90 1 capacitor-4.sym
{
T 50100 46700 5 10 0 0 270 2 1
device=POLARIZED_CAPACITOR
T 51100 46800 5 10 1 1 180 6 1
refdes=C708
T 50500 46700 5 10 0 0 270 2 1
symversion=0.1
T 51100 46100 5 10 1 1 0 0 1
value=100u
}
C 52600 41100 1 0 0 spice-model-1.sym
{
T 52700 41800 5 10 0 1 0 0 1
device=model
T 52700 41700 5 10 1 1 0 0 1
refdes=A16
T 53900 41400 5 10 1 1 0 0 1
model-name=1S2473
T 53100 41200 5 10 1 1 0 0 1
file=../../lib/models/1s2473.mod
}
N 51000 47100 51000 46900 4
N 50300 48300 50300 46900 4
N 50300 46000 50300 45400 4
N 51000 46000 51000 45800 4
C 46800 47700 1 270 0 resistor-2.sym
{
T 47150 47300 5 10 0 0 270 0 1
device=RESISTOR
T 46700 47400 5 10 1 1 180 0 1
refdes=R450
T 46700 47100 5 10 1 1 0 6 1
value=22k
}
N 51000 45800 50300 45800 4
N 50300 44500 50300 44100 4
N 50300 45800 46900 45800 4
T 40300 53400 9 11 1 0 180 6 3
R438 is actually a 5.6k resistor shunted by a thermistor.
Guess the thermistor is 10k so using total value of 3.6k.

T 47100 51900 9 10 1 0 0 0 1
N4:43.9V
T 46900 45600 9 10 1 0 0 0 1
N37:-35.8V
T 50400 53300 9 10 1 0 0 0 1
N19:9.8V
T 46000 49400 9 10 1 0 0 0 1
N46:0.45V
T 46600 51900 9 10 1 0 0 6 1
N5:8.4V
T 46700 50900 9 10 1 0 180 0 1
N45:7.1V
T 47100 50900 9 10 1 0 180 6 1
N18:7.2V
T 40300 52500 9 11 1 0 180 6 3
R707 is actually 2.2k but current is drawn it thro. it by
both L and R chans. Only one chan. is simulated here
so it's value has been changed to compensate.
T 40300 54300 9 11 1 0 180 6 2
U427 actually has a separate +/-15V power supply
which has been omitted to simplify the simulation.
C 56300 53100 1 0 0 resistor-2.sym
{
T 56700 53450 5 10 0 0 0 0 1
device=RESISTOR
T 56500 53400 5 10 1 1 0 0 1
refdes=R456
T 56600 52900 5 10 1 1 0 0 1
value=220
}
C 49000 51600 1 0 0 capacitor-1.sym
{
T 49200 52300 5 10 0 0 0 0 1
device=CAPACITOR
T 48900 51600 5 10 1 1 0 0 1
refdes=C404
T 49200 52500 5 10 0 0 0 0 1
symversion=0.1
T 49600 51600 5 10 1 1 0 0 1
value=39p
}
N 53100 52600 53100 51900 4
N 53100 51900 53700 51900 4
C 54200 55500 1 90 1 resistor-2.sym
{
T 53850 55100 5 10 0 0 270 2 1
device=RESISTOR
T 53900 55200 5 10 1 1 180 0 1
refdes=R418
T 53900 54900 5 10 1 1 0 6 1
value=22
}
C 57400 55600 1 0 0 vcc-1.sym
C 46200 48000 1 0 0 gnd-1.sym
N 49500 52500 48900 52500 4
N 55400 50300 55400 49800 4
N 55000 49600 55000 48800 4
N 54100 50400 54100 49600 4
C 55700 55500 1 0 1 resistor-2.sym
{
T 55300 55850 5 10 0 0 0 6 1
device=RESISTOR
T 55450 55900 5 10 1 1 180 0 1
refdes=R460
T 55100 55300 5 10 1 1 0 0 1
value=100
}
C 54900 55400 1 90 1 capacitor-4.sym
{
T 53800 55200 5 10 0 0 270 2 1
device=POLARIZED_CAPACITOR
T 54200 55200 5 10 0 0 270 2 1
symversion=0.1
T 55000 55000 5 10 1 1 180 6 1
refdes=C302
T 55000 54700 5 10 1 1 0 0 1
value=1u
}
C 54600 54200 1 0 0 gnd-1.sym
N 54700 55400 54700 55600 4
N 55700 55600 60100 55600 4
N 51000 47100 50300 47100 4
N 53100 53500 53100 53700 4
T 40300 48900 9 11 1 0 0 0 8
The Pioneer A6 is rated
at 60 Watt per channel
into 8 Ohm. This equates
to +/-31.0Vpp at Rspkr.
Given this output range
simulation predicts a
allowable input range
of +/- 217mVpp.
T 40300 51000 9 11 1 0 0 0 2
Simulation predicts upper & lower 3dB band limits of
322kHz & 0.25Hz respectively.
N 58500 54300 59100 54300 4
N 58500 45300 59100 45300 4
N 55400 51800 55500 51800 4
N 55400 47800 55500 47800 4
C 52200 52600 1 0 0 gnd-1.sym
N 51900 49500 51900 50900 4
N 51300 50000 51300 50100 4
C 51100 51200 1 0 0 vcc-1.sym
C 51500 50000 1 180 0 vee-1.sym
T 40300 46400 9 11 1 0 0 0 7
VR2 is a 100 Ohm potiometer used to set the idle current in
the output transistors Q2 & Q4. According to the Pioneer A6
Service Manual page 18. The idle current must be set with
no load and no input. RV2 is adjusted so that the combined
voltage across R444a & R444b is 31mV +/- 13mv. Simulation
predicts a value for RV2 of 3.44 Ohm with a combine voltage
of 31.00mV across R444a & R444b.
T 57900 53000 9 11 1 0 0 0 1
N23
T 57900 46600 9 11 1 0 180 6 1
N12
T 60200 50000 9 11 1 0 180 6 1
N28
T 60200 51600 9 11 1 0 0 0 1
N16
T 60200 48000 9 11 1 0 180 6 1
N11
T 59600 52400 9 11 1 0 0 6 1
N15
T 59600 47200 9 11 1 0 180 0 1
N10
C 52600 40200 1 0 0 spice-model-1.sym
{
T 52700 40900 5 10 0 1 0 0 1
device=model
T 52700 40800 5 10 1 1 0 0 1
refdes=A17
T 53900 40500 5 10 1 1 0 0 1
model-name=EQU0135
T 53100 40300 5 10 1 1 0 0 1
file=../../lib/models/eqa0135.mod
}
C 52600 42000 1 0 0 spice-model-1.sym
{
T 52700 42700 5 10 0 1 0 0 1
device=model
T 52700 42600 5 10 1 1 0 0 1
refdes=A15
T 53900 42300 5 10 1 1 0 0 1
model-name=MZ043
T 53100 42100 5 10 1 1 0 0 1
file=../../lib/models/mz043.mod
}
T 40300 45100 9 11 1 0 0 0 4
There are no SPICE models for the output transistors so models
for the MJL4281A (Q4) and MJL4302A (Q2) have been used instead.
These are modern transistors with greater capabilities than the 
originals, take note when drawing conclusions about the output stage. 
C 54000 50400 1 270 1 resistor-2.sym
{
T 54350 50800 5 10 0 0 90 2 1
device=RESISTOR
T 54300 51000 5 10 1 1 180 6 1
refdes=RV2
T 54300 50700 5 10 1 1 0 0 1
value=3.44
}