DP480 Service Manual
2
⚫
No provision of a valid warranty card or an original invoice
⚫
Malfunction due to unpermitted disassembly, repair or modification
⚫
Damage of the product due to wear, mechanical damage, burn or inlet of water
⚫
Damaged product SN. or unidentifiable brand
Paid maintenance service will be provided after the warranty period. Meanwhile, we offer parts to authorized
maintenance stations and dealers at preferential prices, except those of discontinued products).
2.
External View and Keys
2.1.External View
NO.
Description
NO.
Description
1
Lower Side Key (Programmable)
Programmable by a dealer to achieve
various functions. See 2.2
Programmable Keys.
9
LED Indicator
Red light on: The radio is transmitting
signals.
Green light on: The radio is receiving
signals.
Flashing red light: The battery is low.
2
PTT Key
Press it to make a call and talk.
10
Microphone
Input voice.
3
Upper Side Key (Programmable)
Programmable by a dealer to achieve
various functions. See 2.2
11
LCD screen
Summary of Contents for DP480
Page 9: ...DP480 Service Manual 6 4 Circuit Description 4 1 Circuit Diagram of Main Board ...
Page 76: ...DP480 Service Manual 73 Top Layer Layout Drawing of Main Board ...
Page 77: ...DP480 Service Manual 74 Bottom Layer Layout Drawing of Main Board ...
Page 79: ...DP480 Service Manual 76 Top Layer Layout Drawing of Key PCB ...
Page 80: ...DP480 Service Manual 77 Bottom Layer Layout Drawing of Key PCB ...
Page 84: ...DP480 Service Manual 81 Top Layer Layout Drawing of Module Board ...