PT4200 SERVICE MANUAL
DANGEROUS!
Do not connect the AC power or DC power over 8.6V
with any connector or terminals of the radio. Otherwise it will
cause fire or electric shock or damage to the radio.
WARNING!
Do not reverse power connection.
It may cause harm to the radio if signal input on the
antenna connector is bigger than 20 dBm (100mW).
Do not turn on the power before the antenna or load
connection is completed.
If the antenna has been damaged, do not use the radio.
Damaged antenna may cause lightly burning on skin.
Though the radio is waterproof, it's better avoid putting it
in rain or snow, or any other liquid to ensure its life and
performance.
STATEMENT
Kirisun Electronic (Shenzhen) Co., Ltd owns the
copyright of KSP20 software. KSP20 software is free for
duplication.
Kirisun Electronic (Shenzhen) Co., Ltd owns the
copyright of the MCU software.
Kirisun Electronic (Shenzhen) Co., Ltd owns the
copyright of the radio outward/structure/circuit design.
Kirisun Electronic (Shenzhen) Co., Ltd owns the
copyright of this service manual. Publication without
authorization is prohibited.
Kirisun Electronic (Shenzhen) Co., Ltd owns the
trademarks KIRISUN
CONTENTS
Chapter 1 Introduction...................................................1
Chapter 2 Radio Overview and Function Keys .................1
Chapter 3 Electrocircuit ..................................................2
Chapter 4 Function Description and Parameter Setting......7
Chapter 5 Service Assemble and Disassemble.................9
Chapter 6 Radio Debugging..........................................11
Chapter 7 Major Specifications......................................13
Chapter 8 Trouble Shooting...........................................13
Chapter 9 KBC-58L Charger.........................................14
Appendix 1 Abbreviations..............................................14
Appendix 2 Spare List..................................................15
Appendix 3 Framework Component List ........................15
Appendix 4 Electrical Component List............................16
Appendix 5 Accessory List............................................21
Figure 1 PT4200 Top Board Position Mark Diagram.........22
Figure 2 PT4200 Bottom Board Position Mark Diagram....23
Figur3 PT4200 Schematic Circuit Pane Diagram............24
Figur4 PT4200 Schematic Circuit Pane Diagram............25
Figure 5 KBC-58L Schematic Circuit Diagram................26
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