Hytera Transmitter Operation & User’s Manual

12, 11 1 Vbus USB power supply +5V power supply 2 Ground 3 GP5_3 general purpose I/O port (Chan_Act) General purpose I/O port with function defined through the CPS 4 SW B+ sense power output 13V output voltage; outpu…

17, 16 Figure 12 Block Diagram of Receiver 3.2.1 Front-end Circuit RF signals are fed into the low pass filter to remove signals above 550MHz, and are applied to the two-stage band pass filter to select the wanted signal. TV can realiz…

32, 31 Disassembly and Re-assembly for Repair Disassembly 1. Power off the radio, disconnect the power cord and screw out the antenna. 2. Loosen the three screws to remove the front panel. Remove the FFC. 3. Detach the volum…

22, 21 U500 IC TLV5614IPW D/A converter U6000 IC TA75S01F Operational Amplifier U701 IC AD9864 10-300MH IF processor U702 IC RP102N331B LDO Power management IC U703 IC XC6209F502PR LDO Power management IC U801 IC AD8566ARMZ …

5, Hytera Transmitter 4 Figure 1 Front Panel Block Diagram 1.1 Power Supply The main board supplies power to the front panel via 5VD, so that RX/TX LED, backlight and USB devices can be powered up. Power is further fed to U5 LDO, and then is supplied to LCD …

19, 18 Figure 14 Block Diagram of PLL IC (U100) The 19.2MHz frequency generated by the reference crystal (X100) is fed into the PLL IC (U100), to generate the reference frequency. Frequency obtained from the PLL IC (U100) is fed into the pha…