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Adjustment
Instruments : DC milli-meter
Notes
: Prior to Bias Adjustment, run about 5minutes with rated output (8 ohms)
And warm up Power Transistor and Heat Sink.Set input off.
Step
Coupling
1
R533 or R535
2
R534 or R536
R133 or R135
3
(R333 or R335)
R134 or R136
4
(R334 or R336)
R233 or R235
5
(R433 or R435)
R234 or R236
6
(R434 or R436)
Case Outline
2SA1943
2SC5200
PC817B
Location
X-1427-00 PCB
X-1427-00 PCB
X-1334-01 PCB
(X-1334-02 PCB)
X-1334-01 PCB
(X-1334-02 PCB)
X-1334-01 PCB
(X-1334-02 PCB)
X-1334-01 PCB
(X-1334-02 PCB)
2SC536K
2SA1016K
2SC1941
6 7
Adjust
VR503
VR104
VR103
(VR303)
DC milli-voltmeter Reads 4mV
VR104
(VR304)
VR203
(VR403)
VR204
(VR404)
2SB631K
RKB-650
Adjust for
UPC1237HA
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