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DP990
Kirisun DP990 Service Manual
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DP990/DP995service
manual
32
inductor
109
2LW1-16UC-1
20GB
SMD
wire
wound
inductor
PCS
1000,L120
2,L1203,L12
24
4
110
2LL1-16-R2
7JA
Multi-layer
chip
inductor
PCS
L1207
1
111
2LL1-16-R1
0JB
Multi-layer
chip
inductor
PCS
L1209
1
112
2LL1-16-5N6SA
Multi-layer
chip
inductor
PCS
L1211
1
113
2LL1-16-18NJ
A
Multi-layer
chip
inductor
PCS
L1212
1
114
2LH1-R401
R5-R04-
05
SMD
air
core
inductor
PCS
L1213,L12
14,L1215,
L1216,L1410
5
115
2LW1-16UC-1
00GA
SMD
wire
wound
inductor
PCS
L1217,L12
25,L1226,
L1403,L1007
5
116
2LW1-16UC-2
20GC
SMD
wire
wound
inductor
PCS
L1218,L14
00,L1401,
L1402
4
117
2LW1-20UC-3
31J
SMD
wire
wound
inductor
PCS
L1219
1
118
112L0500
0003
Wi
r
e
wou
nd
inductor
PCS
L1220,L12
21
2
119
2LL1-16-3R3KA
Multi-layer
chip
inductor
PCS
L1222
1
120
2LW1-25UC-3
32K
SMD
wire
wound
inductor
PCS
L1223
1
121
2LW1-16UC-1
81J
SMD
wire
wound
inductor
PCS
L1227
1
122
2LW1-16UC-6
80G
SMD
wire
wound
inductor
PCS
L1406
1
123
2LW1-20UC-2
21J
SMD
wire
wound
inductor
PCS
L1408
1
124
2LW1-25UC-1
00JA
SMD
wire
wound
inductor
PCS
L1411
1
125
2RS1-16-330
J
Chip
resistor
PCS
L1412
1
126
2LH1-R401
R5-R02-
05
SMD
air
core
inductor
PCS
L1413
1
127
2LL1-16-3N9SA
Multi-layer
chip
inductor
PCS
L1414
1
128
1TF1-ST
2301
R
SMD
fiel
d
effect
transistor
PCS
Q100,Q
601
2
129
1TF1-SSM3K15
AFS
R
SMD
fiel
d
effect
transistor
PCS
Q101,Q
804
2
130
1TT1-DTC1
44EE
SMD
transistor
PCS
Q102,Q
602,Q801,Q802
,Q803,Q14
00,Q1,Q31
2,Q199
9
131
121T0300
0010
Field
effect
transistor
PCS
Q600,Q
800,Q311
3
132
1TT1-2SC46
17-R
SMD
transistor
PCS
Q1000,Q1
206
2
133
1TT1-BFU55
0A
RF
triode
PCS
Q1001,Q1
002,Q1205
,Q1403,Q140
4
5
134
1TT1-2SC50
86
Patch
triode
PCS
Q1200,Q1
202,Q1203
,Q1207,Q140
5
5
135
1DS1-RB70
6F-40
SMD
switch
diode
PCS
Q1204
1
136
1TF1-RD01MU
S2-5
SMD
field
effect
PCS
Q1406
1
32
34
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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