Yaesu FT-7100M Technical Supplement page 21

Circuit Diagram
(-3.7dBµ)
[-2.7dBµ]
7.44V
(-9.3dBµ)
[-8.9dBµ]
7.47V
1.69V
V Main 8.34V
8.9V
13.8V 13.7V
V RX V Sub
7.7V 7.96V 0.76V
9.0V
Power
ON:13.0V
OFF:13.8V
4.87V
Power
ON:3.46V
5.0V
OFF:0V
0.78V
(U/U)
SUB(U/U)
435.1MHz:+21.0dBµ
5.85V
435.1MHz:+4.8dBµ
<-9.2dBµ>
{-6.4dBµ}
0.77V
0.76V
7.18V <+9.4dBµ> 5.95V
3.93V
0.76V
VHF TX(50W):2.10V
2.10V
UHF TX(35W):3.00V
1.95V
2.10V
2.10V
1.30V
1.35V
VHF TX(50W):2.1V
UHF TX(35W):
2.55V
VHF TX(50W):2.35V
UHF TX(35W):2.50V
UHF TX(35W):4.00V UHF TX(35W):1.10V
VHF TX(50W):3.50V
UHF TX(35W):3.40V
VHF TX(50W):3.9V
(45.05MHZ):+16.0dBµ>
(U/U)435.1MHz(180.1MHz):+28.0dBµ
V Main
(21.7MHZ):+16.0dBµ>
4.56V (U/U)435.1MHz(21.7MHz):+16.3dBµ
(+16.4dBµ)
3.81V
8.27V
1.22V
U Sub
4.45V
SUB(V/V)
145.1MHz:+17.2dBµ
5.87V
6.78V
Sub RX
0.72V U Sub 3.62V
4.48V
6.15V
0.72V
V Sub
4.38V
8.52V
6.23V
4.85V
0.67V
0.76V
4.01V Sub RX
7.4V
4.62V
7.3V
U Sub
V Sub
8.09V
8.08V
7.3V
0.51V
<45.05MHZ:+21.4dBµ>
(V/V)145.1MHz(45.05MHz):+21.0dBµ
3.39V
<+28.5dBµ>
U Main
4.37V
V Sub 1.12V
7.19V
4.34V
7.95V
3.61V
<45.05MHZ:+23.8dBµ>
(V/V)145.1MHz
(400.1MHz):+31.3dBµ
<45.05MHZ:+19.6dBµ>
(V/V)145.1MHz(45.05MHz):+19.6dBµ
4.77V
3.27V
7.33V
(XX) = MAIN 145.1 MHz
[XX] = SUB 145.1 MHz
<XX> = MAIN 435.1 MHz
{XX} = SUB 435.1 MHz
5.57V
0.77V
(21.7MHZ):+18.4dBµ>
1.5V
(U/U)435.1MHz(21.7MHz):+22.8dBµ
5.6V
2.37V
2.76V 2.72V
3.33V
4.54V
3.32V (AM)
5.32V 5.33V
(AM)
3.9V 0V (0)
0.2V
VHF RX:0V
VHF RX ON
"H"
VHF TX
"H"
UHF RX
UHF TX
0V
"H"
UHF RX ON "H"
5.49V
4.94V
0.65V
5.5V
0.71V
4.09V
2.78V
3.72V
5.57V
5.6V
4.37V
0.28V
4.95V
8.86V
4.69V
8.02V
4.83V
3.38V
2.28V
1.78V
3.48V
0.47V
13.11V
5.22V
8.45V
4.06V
4.07V
4.01V
1.93V
1.91V
1.91V
4.06V
4.04V
SQL ON "H"
1.91V
4.07V
4.06V
4.01V
1.89V
4.06V
4.03V
1.89V
SQL ON "H"
1.94V
1.94V
1.93V
1.92V
1.94V VHF "H"
UHF "L"
1.92V
VHF "L", UHF "H"
2.22V 2.23V
2.21V
2.14V
2.12V
2.19V
VHF DCS ON "H"
1.10V 1.11V
1.10V
1.06V
1.07V
UHF DCS ON "H"
1.09V
DTMF
TX "L"
3.92V
4.06V
4.07V
3.92V
4.01V
3.4V
TX NARROW ON "H"
8.86V
5.95V
4.88V
4.88V
MAIN Unit (Lot. 5~)
VHF AFVR 0~4.73V
UHF AFVR 0~4.73V
3.53V
8.36V
3.53V
13.75V
13.33V
0V
1.34V
6.36V
0.81V
8.91V
8.92V
0.49V 1.23V
4.85V
PK SQL ON "H"
4.07V
FAN ON:11.93V
OFF:13.8V
FAN ON:0V
OFF:13.45V
FAN ON:0.77V
OFF:0V
4.87V
21