RCA BR200D-U1 User manual

BR200D-U1/BR300D-U1 Service Manual
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BR200D-U1
BR300D-U1
Service Manual

BR200D-U1/BR300D-U1 Service Manual
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Contents
Chapter 1 General
Chapter 2 Radio Overview
Chapter 3 Mode Introduction
Chapter 4 Disassembly For Repair
Chapter 5 Circuit Description
Chapter 6 PCB Layout
Chapter 7 Adjustment
Chapter 8 Bill Of Materials
Chapter 9 Charger
Chapter 10 Block and Schematic
Appendix 1 Abbreviations
Appendix 2 Main Technical Indexes
Appendix 3 Trouble Shooting

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Chapter 1 General
1.1Introduction
This manual applies to the service and maintenance of DR6000-2 and DR7000-2 radios,
and is for the engineers and professional technicians that have been trained by our
company. In this manual you can find all the information of product service. Our company
reserve the rights to modify the product construction and specification without notice in
order to enhance product performance and quality.
Read this manual before repairing the product.
1.2 Attention
Safety
Do not touch the antenna connector with your skin directly. .
Do not reverse the power polarities.
Do not turn on the radio before the antenna and load connection is completed.
Do not contact the damaged antenna when transmitting, or may make lightly burning on the
skin.
Electromagnetism Interference
It’s prohibited to use or repair the radio in the following places:
Hospital, health center, air port
Any area with a potentially explosive atmosphere (e.g. fuel and chemical storage and
transport devices etc.)
Any area of dynamite or exploder.
Change Components
All the components used in repair service should be supplied by our company.
Other components of the same models available on the market are not surely able to use in
this product and we do not guarantee the quality of the product using such components.
1.3 Service
All the our company products are subject to the service warranty.
After-sales service will be provided, and the length of warranty is stated by our company.
The radio and its accessories are all in the warranty. However, in one of the following cases,
charge free service will be not available.
No valid service warranty or original invoice.

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Malfunction caused by disassemble, repair or reconstruct the radio by the users without
permission.
Wear and tear or any man-made sabotage such as mechanical damage, burning or water
leaking.
Product serial number has been damage or the product trademark is difficult to identify.
Beyond the warranty time, lifetime service is still available with paid. And we also provide
service components to service stations and staff.

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Chapter 2 Radio Overview
a. DR6000-2
1. PTT ( PUSH-TO-TALK) Button
To make a call, press and hold the PTT button, then speak into the microphone in
normal voice. Release the PTT button to receive signals.
2. Side Button 1 (Programmable Button)
3. Side Button 2(Programmable Button)
4. Top Button (Programmable Button)
5. Channel Selector
Rotate to select channel 1~16.
6. Power/Volume Knob
Turn clockwise to switch on the radio.
Turn counterclockwise till a click is heard to switch off the radio.
Rotate to adjust the volume after turning on the radio.
7. LED Indicator
LED Indicates Status/Alert. Green LED lights when a carrier is detected in the current
channel. Red LED lights during transmission. Orange LED flashes when receiving the
Radio ID 5-Tone signaling or 2-Tone signaling or MDC signaling. Green LED flashes
when scanning. Red LED flashes when low battery.
8. Speaker/Microphone Jacks
Used to connect the optional speaker/microphone.
9. MIC Input
Please keep your mouth about 10 cm (3-4 inches) away from the microphone input
to achieve the best voice quality. If the distance is too far or too close to the radio, it

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will affect the voice quality.
Programmable Button Function
The dealer can program the Side Button 1, Side Button 2 and the Top Button with the
following Optional functions:
None (No Function)
Annunciation Selection
Talkaround
Call1/Call2/Call3/Call4
Lone Work
Emergency Call
Cancel Emergency Call
Man-Down
Scan
Noise Channel Delete
Call Forward
H/M/L Power Switch
Squelch Adjust
Monitor Momentary/Call Cancel
Monitor/Call Cancel
Squelch Off Momentary/Call Cancel
Squelch Off/Call Cancel
Lock Keyboard
Battery Check
FCS
Normal Record/Record Stop
Protected Record/Record Stop
Record play/Play Next/Play Stop
Record Delete
Surveillance
… …

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b. DR7000-2
10.PTT ( PUSH-TO-TALK) Button
To make a call, press and hold the PTT button, then speak into the microphone
in normal voice. Release the PTT button to receive signals.
11.Side Button 1 (Programmable Button)
12.Side Button 2(Programmable Button)
13.MIC Input
Please keep your mouth about 10 cm (3-4 inches) away from the microphone input
to achieve the best voice quality. If the distance is too far or too close to the radio, it
will affect the voice quality.
14.LCD
15.Key Pad
16.Top Button (Programmable Button)
17.Channel Selector
Rotate to select channel 1~512.
18.Power/Volume Knob
Turn clockwise to switch on the radio.
Turn counterclockwise till a click is heard to switch off the radio.
Rotate to adjust the volume after turning on the radio.
19.LED Indicator
LED Indicator Status/Alert. Green LED lights when a carrier is detected in the

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current channel. Red LED lights during transmission. Flashes orange when
receiving 5-Tone signaling or 2-Tone signaling . Green LED flashes when scanning
or Red LED flashes when low battery.
20.Speaker/Microphone Jacks
Used to connect the optional speaker/microphone.
Programmable Button Function
The dealer can program the Side Button 1, Side Button 2, Top Button and ‘C’, ‘<’, ’>’ ,’O’
Keys with the following Optional functions:
None (No Function)
Channel Up
Channel Down
Zone Up
Zone Down
Display CH Frequency
Display CH Alias
Display Mode Switch
OST
H/M/L Power Switch
Squelch Adjust
Lock Keyboard
Scan
Noise Channel Delete
Voice Expander
Scrambler
Home Channel
Talk Around
VOX
Monitor Momentary/Call Cancel
Monitor/Call Cancel
Squelch Off Momentary/Call Cancel
Squelch Off/Call Cancel
Emergency Call (Only for TOP key)
Cancel Emergency Call (Only for TOP key)
Radio Call
Call1/Call2/Call3/Call4
Menu Select/Enter (Only for ‘O’ key)
Lone Work
Scan List Edit
GPS Information Display
VOX Level
Back Light

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GPS Auto TX
Zone0 Scan ADD/DEL
Man-Down
Normal Record/Record Stop
Protected Record/Record Stop
Record play/Play Next/Play Stop
Record Delete
Surveillance
… …

BR200D-U1/BR300D-U1 Service Manual
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Chapter 3 Mode Introduction
Mode combinations
Mode Function How to access
Normal User
Mode For normal use Power on
User
Mode Field
Programming
Mode
Programming the basic
information of the radio
Menu or Programmable
Key
Data
Programming
Mode
Reading and writing
frequency data and other
functions
Receive instructions from
the PC
Test Mode Used to tune the radio
using the PC.
Receive instructions from
the PC
PC
Mode
Firmware
Upgrading
Mode
Upgrades the software
when new features are
added
Receive instructions from
the PC
Normal User Mode：
You can enter Normal User Mode (conventional communication mode) by turning on the
power switch. Users in the mode can use the defined function of the radio.
Field Programming Mode：
You can enter the Field Programming Mode by pressing the “Menu” Key or a programmable
key to enter this mode.
Data programming mode:
Before leaving the factory, the radio has been set in factory. However, due to different
requirements of users, functional parameters of the radio such as working frequency,
channels, CTCSS/DCS and auto scanning, etc. should be set again. Therefore, the
company has specially designed a set of DR-6000 programming software with friendly
interface, convenient operation and visualized display for setting functional parameters of
the radio.
Steps for setting the functional parameters of the Radio by computer are as follows: