TR850 Service Manual
3.3. Baseband Section
3.3.1. Circuit Description
Figure 3-6 Baseband Circuit
As Figure 3-6 shows, inside the dotted line box is the baseband section circuits, which includes the four
major modules of dual core processor(U4), DDR2(U6), NAND FLASH(U7) and FPGA (U14). They are
used to run the Linux operation system with various drivers and protocols to achieve call forwarding.
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Страница 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Страница 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Страница 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Страница 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Страница 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Страница 96: ...TR850 Service Manual Figure 8 Front Panel Top Board PCB View Figure 9 Front Panel Bottom Board PCB View 92 ...
Страница 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Страница 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Страница 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Страница 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Страница 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Страница 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Страница 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Страница 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Страница 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...