Kenwood R-280 Service Manual page 22

High performance hf amateur band receiver
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CIRCUIT DIAGRAM/PC BOARD
IF-B UNIT (X48-1200-00)
01,2 :2SC945(R)
03,4:3SK 3 5 I G R )
05,7:2SC733(Y)
06
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Q1, 2: 2SC945(R), Q3, 4: 3SK35(GR), Q5, 7: 2SC733IY), Q6: 2SC1000(GR)
D1 ~4, 9-1 1: 1N60, D5-8: 1S1555
22

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