13
MAIN Unit
Circuit Diagram
RX: 0 V
TX: 0.82 V
RX: 0 V
TX: 1.66 V
RX: 3.53 V
TX: 0 V
RX: 2.48 V
TX: 0 V
RX: 1.09 V
TX: 0 V
RX: 4.18 V
TX: 0 V
BPF “LOW”: 0.01 V
BPF “HIGH”: 1.56 V
BPF “LOW”: 3.29 V
BPF “HIGH”: 0 V
RX: 2.33 V
TX: 0 V
RX: 3.92 V
TX: 0 V
RX: 4.67 V
TX: 0 V
RX: 2.54 V
TX: 0 V
RX: 0 V
TX: 0.91 V
RX: 0 V
TX: 2.83 V
RX: 0 V
TX: 1.13 V
RX: 0 V
TX: 1.41 V
RX: 0 V
TX: 2.21 V
3.11 V
RX SIGNAL “Non”: 1.15 V
RX SIGNAL “40 dB
μ
”: 0.02 V
RX: 1.82 V
TX: 0 V
RX: 1.75 V
TX: 0 V
7.40 V
RX: 7.35 V
TX: 0.40 V
RX: 6.62 V
TX: 7.12 V
RX: 2.77 V
TX: 0 V
RX: 2.75 V
TX: 1.84 V
RX: 1.41 V
TX: 1.41 V
RX: 3.29 V
TX: 0 V
3.30 V
1.78 V
RX: 1.69 V
TX: 3.37 V
4.12 V
1.93 V
2.28 V
RX: 0 V
TX: 4.78 V
RX: 4.90 V
TX: 0 V
RX: 0 V
TX: 3.29 V
RX: 3.29 V
TX: 0 V
3.44 V
7.39 V
0 V
RF AMP
Q1015
1st Mixer
Q1022
IF AMP
Q1024
2nd Mixer / IF
Q1026
VCO Input
Содержание HX280E
Страница 1: ...1 SERVICE MANUAL VHF FM Marine Transceiver HX280S E EM038N90A HX280S HX280E ...
Страница 5: ...5 Block Diagram ...
Страница 6: ...6 Note ...
Страница 12: ...12 Note ...
Страница 14: ...14 MAIN Unit Note ...
Страница 24: ...24 Note MAIN Unit ...
Страница 28: ...28 Note ...
Страница 29: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 30: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 31: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 32: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 33: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 34: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 35: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 36: ...HX280S E Main Unit Circuit Diagram 1 2 3 5 6 7 4 8 ...
Страница 37: ...HX280S E Main Unit Side A Parts Layout 1 2 ...
Страница 38: ...HX280S E Main Unit Side A Parts Layout 1 2 ...
Страница 39: ...HX280S E Main Unit Side B Parts Layout 1 2 ...
Страница 40: ...HX280S E Main Unit Side B Parts Layout 1 2 ...
Страница 41: ...29 Note ...