Kirisun PT6700-01, Service Manual

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PT6700 Service Manual
2
Chapter 1 Overview
1.1 Introduction
This manual applies to the service and maintenance of PT6700
series of FM portable radios, and is intended for use by engineers
and professional technicians that have been trained by Kirisun. It
contains all required service information for the equipment.
Kirisun reserves the right to modify the product structure and
specifications without notice in order to improve product
performance and quality. You can also log on our website
www.kirisun.com to download the latest service manual or contact
your local dealer or us.
Please read this manual carefully before repairing the product.
1.2 Service Attentions
* Safety
Do not touch the antenna connector or the PCB while
repairing the radio.
Do not reverse the battery polarity.
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.
* Electromagnetic Interference
It’s prohibited to use or repair the radio in the following
places:
Hospital, health center, airport
Any area with a potentially explosive atmosphere (e.g. orlop
deck of the ship, storage or transportation equipment for fuel and
chemical etc.)
Any place near blasting sites or area with electrical blasting
cap.
It’s recommended to avoid using or repairing the radio in the
following place:
It’s recommended to avoid using radios in a car that is moving
as the radio wave might interfere the auto engine and cause it to
stop working.
* Replacement Parts
All components used for repair should be supplied by Kirisun.
Components of the same type available on the market are not
surely able to be used in this product and we do not guarantee the
quality of the product using such components.
If you want to apply for any component from Kirisun, please
fill in an application form as below.
e.g.
Component Application Form
Radio
Model
Component
Position
Mark
Model/
Specifications
Part No. Qty
PT6700-01 FET
Q203 2SK1824 1TF1-2SK1824 1
1.3 Service
All the Kirisun products are subject to the service warranty.
The main unit of the radio is guaranteed for free service of 12
months. Accessories (such as battery pack, antenna, charger and
power adapter etc.) are guaranteed for free service of 6 months.
However, in one of the following cases, charge free service will be
not available.
* No valid warranty card or original invoice.
* Malfunction caused by disassembling, repairing or
reconstructing the radio by the users without permission.
* Wear and tear or any man-made damage such as mechanical
damage, burning or water leaking.
* Product’s serial number has been damaged or the product
trademark is difficult to identify.
After the warranty expires, lifetime service is still available.
We also provide service components to service stations and staffs.
Chapter 2 External View and Functional Keys
2.1 External View
2.2 Functional Keys
①
LED Indicator
Lights red while transmitting; lights green while receiving;
flashes red when the radio is in low power.