QP-750 Service Manual
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3.1.3 Remove the knob.
3.1.4 Separate the chassis from PCB
(1) Insert a open tool into the clearance between chassis and the case.
(2) Push the tool downwards to separate the chassis from the case.
(3) Lift the bottom of the chassis and pull it out of the PCB.
3.1.5 Remove the main PCB
(1) Remove the two nuts on top of the unit for the channel coder and power switch.
(2) Remove the ten screws between PCB and the chassis.
(3) Loosen the weld between antenna pedestal and PCB using a soldering iron.
(4) Lift the PCB off.
Summary of Contents for QP-750
Page 1: ...QP 750 Service Manual 1 QP 750 Service Manual Quantun Electronics LLC ...
Page 37: ...QP 750 Service Manual 37 Chapter 8 UHF Troubleshooting Tables 8 1 Troubleshooting for CPU ...
Page 38: ...QP 750 Service Manual 38 8 2 Troubleshooting for VCO ...
Page 39: ...QP 750 Service Manual 39 8 3 Troubleshooting for Transmission ...
Page 40: ...QP 750 Service Manual 40 8 4 Troubleshooting for Receive ...
Page 42: ...QP 750 Service Manual 42 9 2 QP 750 block diagrams ...
Page 49: ...QP 750 Service Manual 49 9 4 QP 750 UHF PCB Layout 9 4 1 PCB Top Layer View ...
Page 50: ...QP 750 Service Manual 50 9 4 2 PCB Top Layer Chip Map ...
Page 51: ...QP 750 Service Manual 51 9 4 3 PCB Bottom Layer View ...
Page 52: ...QP 750 Service Manual 52 9 4 4 PCB bottom chip map ...