TR850 Service Manual
1. Overview
1.1. Scope of Manual
This manual is intended for use by trained engineers and professional technicians for the maintenance
and repair of TR850 Repeater. Data changes in this manual may occur with the improvement of
technology. To get the latest technology information, please contact us or your local distributors.
Before repairing the unit, please read this manual.
1.2. Safey Precautions
Electromagnetic Radiation
Radios generate and radiate electromagnetic energy, the security design of Kirisun radios’
electromagnetic radiation on human meets national and international standards.
Electromagnetic Interference
Installation should be in accordance with local radio regulations.
Explosive and Harmful Gases
Do not install the repeater in areas with explosive and harmful gases, such as the lower deck of the hull,
fuel or chemical storage facilities, area where the air contains chemicals or particles, dust or metal dust.
Do not install the repeater when close to the blasting area, electric blasting detonators.
Replacement Parts
When replacing any replacement part, please be aware of the model. Do not arbitrarily replace the
component that does not match with the radio.
1
Summary of Contents for TR850
Page 1: ......
Page 45: ...TR850 Service Manual 5 4 Connection 1 2 3 4 6 8 7 5 9 10 13 14 15 16 18 17 11 12 41 ...
Page 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Page 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Page 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Page 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Page 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Page 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Page 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Page 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Page 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Page 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Page 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Page 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Page 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Page 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...