QP-750 Service Manual
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Chapter 9 UHF Schematic Diagrams, Layout, Parts Lists…….40
9.1 Introduction……………………………………………………………………………
…40
9.2 QP-750 block diagrams………………………………………………………………
…41
9.3 QP-750 UHF Schematic Diagrams…………………………….……………………...
42
9.3.1 QP-750 RF Section…………………………………………………………………………42
9.3.2 QP-750 VCO Section……………………………………………………………………….43
9.3.3 QP-750 PLL Section…………………………………………………………….…………..44
9.3.4 QP-750 Base Band Section…………………………………………….………………….45
9.3.5 QP-750 AF Section……………………………………………………….………………..46
9.3.6 QP-750 Controller Section…………………………………………….………………… 47
9.4 QP-750 UHF PCB Layout………………………………………………..……………
48
9.4.1 QP-750 UHF PCB Top layer view ………………………………………….…………… 48
9.4.2 QP-750 UHF PCB Top Chip Map………………………………………….………….…..49
9.4.3 QP-750 UHF PCB Bottom layer View……………………………………....………….…50
9.4.4 QP-750 UHF PCB Bottom Chip Map……………………………………………………...51
9.5 QP-750 (450-470MHz) Parts List…………………………………………………..…53
Chapter 10 Specification……………………………………….…78
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 ...