Yaesu FT-250R Technical Supplement

Also see for FT-250R: Manual Operating manual

Contents

Yaesu FT-250R Technical Supplement Manual pdf 15 page image

15MAIN UnitFT-250R Technical SupplementCircuit Diagram3.0 VSQL ON:0 V 6.7 VSQL ON:0 V6.9 VSQL ON:7.0 V6.1 VSQL ON:7.0 V6.8 VSQL ON:7.0 V3.5 VSQL ON:7.0 V3.3 VSQL ON:0 V2.6 VSQL ON:0 V2.75 VSQL ON:0 V4.4 V(4.4 V)4.4 V(4.3 V)5.1 V(5.0 V)5.2 V(5.1 V)3.4 V(3.4 V) 3.3 V(3.3 V)0.0 V(0.0 V)0.6 V(0.5 V) 0.6 V(0.0 V)3.1 V(3.1 V) 5.2 V(5.1 V)0.7 V(0.7 V)1.3 V(1.3 V)2.0 V(2.0 V)4.2 V(4.2 V)5.2 V(3.1 V)4.3 V3.5 V(3.5 V) 0.5 V(0.5 V)0.6 V(0.4 V)2.9 V(2.8 V)0 V(3.6 V)3.7 V(0 V)0 V(1.4 V) 0 V(0.7 V)0 V(4.4 V)7.0 V(6.8 V)[6.7 V]5.1 V (0 V)0 V(4.9 V)2.3 V(5.1 V)4.9 V(0 V)5.2 V(4.3 V)1.6 V(1.6 V)3.3 V(3.3 V)1.0 V(2.7 V)0 V(3.3 V)5.2 V(3.1 V)5.2 V(5.1 V)3.4 V(3.4 V)3.4 V(3.4 V)2.8 V(2.8 V)3.4 V(0 V)(0.5 V)5.2 V(4.5 V)5.2 V(0 V)3.3 V(0 V)7.0 V(6.8 V) 3.4 V(3.4 V)3.4 V(3.4 V)5.2 V(5.1 V)2.4 V(2.3 V) 2.9 V(2.8 V) 0 V(0.6 V)1.2 V(1.1 V)0 V(3.2 V)TONE SQL 67.0 Hz - 151.4 Hz:3.1 V156.7 Hz - 250.3 Hz:0 VDCS:3.1 VWide:0 VNarrow:0.6 VCHG OFF:7.2 VON:6.4 VCHG OFF:7.0 VON:5.7 VCHG OFF:7.0 VON:0 V7.0 V(6.8 V)[6.7 V]7.0 V(6.8 V)[6.6 V]7.0 V(6.8 V)[6.7 V]7.0 V(0 V)[0 V]0 V(2.8 V)[4.3 V]0 V(1.7 V)0.6 V(0.0 V)4.7 V (0.0 V)2.3 V (0.0 V)0.7 V(0.0 V)0.0 V (0.6 V)0.6 V (0.0 V)0.0 V (1.7 V) [2.8 V]4.9 V(0.0 V)4.1 V(0.0 V)0.7 V(0.0 V) 0.7 V(0.0 V)Wide:0.0 VNarrow:0.6 VWide:0.6 VNarrow:0.0 V3.0 V(3.0 V)3.4 V(3.4 V)MON/LAMP SW OFF:3.3 VMON SW ON:2.1 VLAMP SW ON:1.7 V0.0 V(3.4 V)Shift ON:3.3 VOFF:0.0 VWide:0.0 VNarrow:3.3 VShiftON:1.6 VOFF:1.5 VShiftON:2.2 VOFF:0.0 V3.4 V(3.4 V)LAMPON:1.8 VOFF:0.0 VLAMPON:1.1 VOFF:0.0 VLAMPON:3.0 VOFF:5.6 VLAMPON:3.0 VOFF:5.6 VLAMPON:2.7 VOFF:5.6 VLAMPON:5.0 VOFF:5.6 V3.3 V(0.0 V)2.7 V(0.0 V)0.0 V(2.7 V)0.0 V(3.3 V)4.1 V(5.0 V) 4.9 V(4.7 V)RX(TX Power Output 0.5 W)[TX Power Output 5 W]RX Frequency 146.05 MHz (with ±3 kHz at 1 kHz tone)Audio Output 0.2 WAF Dummy Load Impedance 8-ohm