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DP990
Kirisun DP990 Service Manual
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DP990/DP995service
manual
60
96
5FE1-BLM15BB121SN1
SMD
EMI
filter
PCS
FB301
1
97
5FE1-BLM11A601S
SMD
EMI
suppression
filter
PCS
FB2300,FB2301,FB2400,FB240
2,L2304
5
98
1IS1-R1244N001B
DCDC
p
ower
converter
chip
PCS
IC100
1
99
1IS1-OPA348
Operational
a
mplifier
IC
PCS
IC1000
1
100
3CB1-DF23C16DS
SMD
board-to-bo
a
rd
connector
PCS
J800
1
101
2LG1-SWP
A3015S-4R7
Wi
re
wound
power
inductor
PCS
L100
1
102
2LW1-331
5-4R7K
SMD
wire
wound
inductor
PCS
L101,L102
,L103
3
103
2LW1-16UC-6
R8C
SMD
wire
wound
inductor
PCS
L900,L901
2
104
2LW1-16UC-3
R9C
SMD
wire
wound
inductor
PCS
L902,L903
2
105
2LW1-16UC-5
60G
SMD
wire
wound
inductor
PCS
L1000,L10
04,L1007
3
106
2LW1-16UC-3
31G
SMD
wire
wound
inductor
PCS
L1001,L10
02,L1006,
L1008,L
1009,L101
3
6
107
2LL1-16-1R0KB
Multi-layer
chip
inductor
PCS
L1003,L10
10,L2413
3
108
2LW1-20UC-3
90GB
SMD
wire
wound
inductor
PCS
L1005
1
109
2LW1-16UC-6
80G
SMD
wire
wound
inductor
PCS
L1011,L23
00,L2302,
L2400,L
2411
5
110
2LW1-20UC-5
60GA
SMD
wire
wound
inductor
PCS
L1012
1
111
2LW1-20UC-3
31J
SMD
wire
wound
inductor
PCS
L1219
1
112
112L0500
0003
Wi
re
wound
inductor
PCS
L1220,L12
21
2
113
2LL1-16-3R3KA
Multi-layer
chip
inductor
PCS
L1222
1
114
2LW1-25UC-3
32K
SMD
wire
wound
inductor
PCS
L1223
1
115
2LL1-16-R1
0JC
Multi-layer
chip
inductor
PCS
L2301,L24
05,L2412
3
116
2CC1-16-C0G5
00-390
J
Multi-layer
chip
capacito
r
PCS
L2303
1
117
2LW1-25UC-1
02JA
SMD
wire
wound
inductor
PCS
L2305
1
118
2LW1-20UC-8
R2J
SMD
wire
wound
inductor
PCS
L2306
1
119
2LH1-R401
R5-L08-05
SMD
air
core
inductor
PCS
L2307
1
120
2LW1-20UC-2
21J
SMD
wire
wound
inductor
PCS
L2308
1
121
2RS1-16-680
J
Chip
resistor
PCS
L2309
1
122
2LH1-R401
R2-L03-05
SMD
air
core
inductor
PCS
L2310
1
123
112L0100
0006
Air-core
indu
ctor
PCS
L2311
1
124
2LH1-R301
R2-L05-05
SMD
air
core
PCS
L2312
1
60
62
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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