20
Alignment
CM Coupler Balance Adjustment
1. Terminate the antenna jack with a 50 Ohm dummy load.
Set the mode to CW, and connect the DC voltmeter to
J3004
(pin 7).
2. Tune the transceiver to 21.000 MHz, and key the trans-
ceiver.
3. Adjust
TC3003
for minimum indication on the DC volt-
meter.
4. Tune the transceiver to 145.995 MHz (CW), and key
the transceiver.
5. Adjust
TC3001
for minimum indication on the DC volt-
meter.
6. Tune the transceiver to 439.995 MHz (CW), and key
the transceiver.
7. Adjust
TC3002
for minimum indication on the DC volt-
meter.
TC3001
TC3002
TC3003
J3004 (Pin7)
Summary of Contents for FT-817 -
Page 5: ...5 Block Diagram...
Page 6: ...6 Block Diagram Note...
Page 7: ...7 Interconnection Diagram...
Page 8: ...8 Interconnection Diagram Note...
Page 14: ...14 Circuit Description Note...
Page 24: ...24 Alignment Note...
Page 26: ...26 MAIN Unit Lot 1 29 Note...
Page 30: ...30 MAIN Unit Lot 30 31 Note...
Page 34: ...34 MAIN Unit Lot 32 74 Note...
Page 38: ...38 MAIN Unit Lot 75 Note...
Page 62: ...62 Main Unit Note...
Page 64: ...64 PLL Unit Lot 1 12 b B A Side A C 1 2 3 Side B a c 1 2 3 Parts Layout...
Page 75: ...75 REF UNIT Lot 1 40 90 mVrms Circuit Diagram...
Page 76: ...76 REF UNIT Lot 1 40 2SC4400 NA Q5001 5002 Side B Side A Parts Layout...
Page 77: ...77 REF UNIT Lot 41 90 mVrms Circuit Diagram...
Page 78: ...78 REF UNIT Lot 41 2SC4400 NA Q5001 5002 Side B Side A Parts Layout...
Page 80: ...80 REF Unit Note...
Page 82: ...82 FINAL Unit Lot 1 14 Circuit Diagram 20 Vp p 22 Vp p 5 Vp p 5 Vp p TX 14 0 MHz 5 W...
Page 98: ...98 PA Unit Final Unit Note...
Page 108: ...108 PANEL Unit Note...
