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- PS: I'm searching for HR-2600 Frequency Modification. Daniel VE2BAP '
- VE2CSC.PQ.CAN.NA
-
- FREQUENCY MODIFICATION: PRESIDENT/UNIDEN HR-2510:
-
- The 10-meter mobile amateur transceiver will transmit and receive from 26.000
- MHz to 29.9999 MHz when the following modifications are performed:
-
- 1) Locate the CPU: IC 315 (UC-1201).
-
- 2) Pin 34 and 35 are together grounded (see the bottom - solder side). Cut the
- PCB Pattern to disconnect the pins 34 and 35 from ground. Now, both pins are
- free from ground and floating.
-
- 3) To activate 26.000 to 27.999 MHz (pin 35) and 29.7 to 29.999 MHz (pin 34),
- just add 10 K ohms, 1/4W resistor between the pattern of pin 34 and 35 to the
- pattern of DC+5V line.
-
- NOTE: The display will indicate the EXACT 40 CB CHANNELS (Yes sir!) when "G"
- band is selected.
-
- ---------------------------------------
-
- POWER OUTPUT MODIFICATION: HR-2510 and Realistic HTX-100.
-
- Transmitter power output of these rigs can be increased up to 100 Watt (SSB),
- when an easy modification/tune up is done. Complete details can be found in
- 73 AMATEUR RADIO, september 1989, p. 48
-
- Daniel VE2BAP @ VE2CSC.PQ.CAN.NA
-
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