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TM-2530-2550-2570 modifications | Radioaficion Ham Radio

TM-2530-2550-2570 modifications

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KENWOOD TM-2530/2550/2570

EXPANDED RF

1 Disconnect the power and antenna.

2. Remove the bottom case .

3. Locate the Control Unit on the bottom of the radio. This is the same board the TU-7 & MU-1 are mounted on.

4. CUT diodes D8 & D11 & D12. They are located to the left of IC3.

5. Reassemble the radio.

6. RESET the CPU. Press and hold the [PS] Key while turning on the radio.

KENWOOD TM-2530, TM-2550, TM-2570 modifications

Frequency increases to 150.995 MHz

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