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Instruments   :   DC  milli–voltmeter
Notes            :   Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and 

warm up Power Transistor and Heat Sink. Set input off.

Step

TP1

TP2

X-1240-01  PCB

VR601

VR602

X-1240-01  PCB

1

2

Coupling

Location

Adjust for

Adjust

DC milli–voltmeter reads 4mV

Adjustment

Case Outlines

2SA608K
2SA1016K
2SA1376A
2SC536K
2SC2362K
2SC3478A

2SB631K
2SD1953
2SD600K

2SA1837
2SC4793

2SB817
2SD1047

PC817B

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