PT568 Service Manual
1
Dangerous!
Do not connect the AC power or DC power over 8.6V with
any connector or terminal of the radio. Otherwise it will cause fire,
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 higher than 20 dBm (100mW).
Do not turn on the radio before the antenna or load connection
is completed.
If the antenna has been damaged, do not use the radio.
Damaged antenna may cause light burning on skin.
Though the radio is waterproof, it's better to avoid putting it in
rain or snow, or any other liquid to ensure its life and
performance.
Statement!
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
KSP568 software.
Unauthorized Duplication of KSP568 software is strictly
prohibited.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
the MCU software code.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
the radio outward appearance/structure/circuit design.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
this service manual. Unauthorized publication is prohibited.
Kirisun Electronics (Shenzhen) Co., Ltd owns the trademarks
“KIRISUN”, “
”, “ ”, and “科立讯”.
Content
Chapter 1 Overview ................................................................... 2
Chapter 2 External View and Functional Keys........................... 2
Chapter 3 Circuit Description..................................................... 3
Chapter 4 Mode Introduction ..................................................... 8
Chapter 5 Disassembly for Repair............................................ 11
Chapter 6 Adjustment............................................................... 12
Chapter 7 Specifications........................................................... 15
Chapter 8 Troubleshooting ....................................................... 15
Chapter 9 KBC-70Q Charger ................................................... 17
Appendix 1 Abbreviations........................................................ 18
Appendix 2 Electronic Parts List.............................................. 18
Appendix 3 Structural Parts List .............................................. 22
Appendix 4 Accessories ........................................................... 23
Figure 1 PT568 Block Diagram................................................ 24
Figure 2 PT568 Schematic Circuit Diagram............................. 25
Figure 3 PT568 Top Layer Position Mark Diagram ................. 26
Figure 4 PT568 Bottom Layer Position Mark Diagram ........... 27
Figure 5 PT568 Top Layer Position Value Diagram................. 28
Figure 6 PT568 Bottom Layer Position Value Diagram ........... 29
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