Hi group,
Just for your information, this is the result of my experimentation with my MSR2000 amplifier. The trouble was on the Power control Module and the fault part was the Power Output adjustment (50K pot). To troubleshoot this I have put a ground on PIN5 on the OP Amp. via a 1K resistor to create a simulation and a beautiful 150Watts appear on the Bird. Maybe someone of you want to add this note in your manual 73 Eric _____ De : Eric Vincent [mailto:[EMAIL PROTECTED] Envoyé : 20 avril, 2008 21:47 À : '[email protected]' Objet : Need help with Motorola MSR-2000 repeater. Hi everyone. I have trouble with a TLD2601A 100 Watts VHF amplifier for a Motorola repeater MSR-2000. By touching the pot of power control, I lost all the RF power and nothing since. The exciter module is fully functional and put 400mW. The power supply is ok and I found all voltage on RF transistors, I feel that the TX switching is no longer works. I have the service manual for 30W station but nothing on 100Watts. On the left side of the amplifier I have a Molex plug with 4 wires and I dont know what is made for. Maybe somebody on the group has experience with that and can help me? Thank you. Eric
