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Two-Way Radio
DP990
Kirisun DP990 Service Manual
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DP990/DP995service
manual
63
183
2RS1-10-822
J
Chip
resistor
PCS
R1069
1
184
2RS1-10-221
J
Chip
resistor
PCS
R1225
1
185
2RS1-10-510
J
Chip
resistor
PCS
R1238,
R2344
2
186
2RS1-06-681
J
SMD
capacitor
PCS
R1249
1
187
112R01000
018
Chip
resistor
PCS
R2308,
R2315,R2420
3
188
2RS1-32-R39
J
Chip
resistor
PCS
R2309,
R2310,R2311
3
189
2RS1-10-225
J
Chip
resistor
PCS
R2312,
R2317
2
190
2RE1-10-22
03
Precise
SMD
resistor
PCS
R2313,
R2329
2
191
112R01000
017
Chip
resistor
PCS
R2314
1
192
2RS1-06-680
J
SMD
capacitor
PCS
R2318
1
193
2RS1-10-271
J
Chip
resistor
PCS
R2320
1
194
2RS1-06-271
J
Chip
resistor
PCS
R2321,
R2322,R2340
3
195
2RS1-06-332
J
Chip
resistor
PCS
R2326,
R2327
2
196
2RS1-10-222
J
Chip
resistor
PCS
R2331
1
197
2RS1-10-363
J
Chip
resistor
PCS
R2333,
R52
2
198
2RS1-10-473
J
Chip
resistor
PCS
R2335
1
199
2RS1-10-393
J
Chip
resistor
PCS
R2337
1
200
2RS1-10-333
J
Chip
resistor
PCS
R2338
1
201
2RS1-16-271
J
Chip
resistor
PCS
R2339
1
202
2RS1-10-104
J
Chip
resistor
PCS
R2343,
R2332
2
203
2RT1-NT
H5G16P40B3
33J
SMD
thermistor
PCS
R2348
1
204
2RS1-06-124
J
Chip
resistor
PCS
R2402,
R2427
2
205
2RS1-06-473
J
SMD
capacitor
PCS
R2403
1
206
2RS1-06-684
J
Chip
resistor
PCS
R2405
1
207
2RS1-06-184
J
Chip
resistor
PCS
R2408,
R53
2
208
2RS1-10-152
J
Chip
resistor
PCS
R2412
1
209
2RE1-06-51
R0
Precise
SMD
resistor
PCS
R2417
1
210
2RS1-06-242
J
Chip
resistor
PCS
R1071,
R2424
2
211
2RS1-06-822
J
Chip
resistor
PCS
R2426
1
212
2RS1-06-151
J
Chip
resistor
PCS
R2428
1
213
112R01000
014
Chip
resistor
PCS
R2429
1
214
2RS1-06-203
J
Chip
resistor
PCS
R2430
1
215
1IS1-RP11
4K331D-TRB
LDO
regulator
PCS
U1,U90
1,U1200
3
216
1IS1-TPS6
5023
Power
management
chip
PCS
U100
1
217
1IS1-AM18
05AQ
R
TC
IC
PCS
U101
1
218
1IS1-MC74VH
C1GT6
6
High-speed
CMOS
analog
switch
IC
PCS
U110
1
219
125O03000
002
T
empera
ture
compensated
c
rystal
oscillator
PCS
U201
1
220
1IP1-OMAP
L138EZCEA3
Dual-core
CPU
PCS
U401
1
221
1IM1-IS43D1
6640C-25I
DDR
memory
PCS
U500
1
222
1IS1-ADS101
5
AD-to-IC
converter
PCS
U600,U
602
2
223
1IS1-TLV320
AIC14K
CODEC
chip
PCS
U601
1
63
65
Table of Contents
Table of Contents
2
Overview
4
Range of Application
4
Safety Precautions
4
Maintenance Service
4
Appearance and LED Indicator
5
Appearance
5
LED Indicator
6
Circuit Description
7
Overall Circuit
7
Tx Circuit
8
Rx Circuit
9
Frequency Synthesizer Circuit
10
GPS Circuit
11
Baseband Circuit
11
Power Supply Circuit
11
Audio Circuit
12
Functions and Parameters
13
Basic Functions
13
Advanced Functions
13
Settings
13
Assembly and Disassembly
14
Installing/Uninstalling the Battery
14
Installing/Uninstalling the Antenna
15
Installing/Uninstalling Belt Clip
15
Disassembling Aluminum-Alloy Holder and Components of Main Part
15
Detaching Main Board from Aluminum-Alloy Holder
16
Detaching Key Board
16
Explosion Diagram
17
Tuning
22
Preparation
22
Tuning (PC Mode)
23
Frequency Bands
23
Vco
23
Vox
24
Low Voltage (Tx)
24
Test Items (Test Mode Only)
24
Technical Specifications
25
Repairing and Testing Devices
26
Troubleshooting
26
Appendix 1 Material Lists and Schematic Diagrams (400~480 MHZ)
28
Appendix 2 Material Lists and Schematic Diagrams (350~400 MHZ)
38
Other manuals for Kirisun DP990
User Manual
54 pages
Instruction Manual
33 pages
5
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Kirisun DP990 Specifications
General
Brand
Kirisun
Model
DP990
Category
Two-Way Radio
Language
English
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