Panasonic KX-TG6431M User manual

© Panasonic Communications Co., Ltd. 2009. Unau-
thorized copying and distribution is a violation of law.
ORDER NO. KM40812782CE
F22
Telephone Equipment
Model No. KX-TG6431M
KX-TG6431T
KX-TGA641M
KX-TGA641T
Expandable Digital Cordless Answering
System
M: Metallic Gray Version
T: Black Metallic Version
(for U.S.A.)

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KX-TG6431M/KX-TG6431T/KX-TGA641M/KX-TGA641T

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KX-TG6431M/KX-TG6431T/KX-TGA641M/KX-TGA641T
TABLE OF CONTENTS PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning-------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
3 Specifications ----------------------------------------------------- 5
4 Location of Controls and Components ------------------- 6
4.1. Controls------------------------------------------------------ 6
4.2. Display ------------------------------------------------------- 7
5 Installation Instructions---------------------------------------- 8
5.1. Connections------------------------------------------------- 8
5.2. Battery-------------------------------------------------------- 8
6 Operating Instructions-----------------------------------------10
6.1. Programmable Settings---------------------------------10
6.2. Error Messages-------------------------------------------14
6.3. Troubleshooting-------------------------------------------15
7 Schematic Diagram---------------------------------------------19
7.1. For Schematic Diagram---------------------------------19
7.2. Schematic Diagram (Base Unit_Main)--------------20
7.3. Schematic Diagram (Base Unit_RF Part) ----------22
7.4. Schematic Diagram (Base Unit_Operation) -------24
7.5. Schematic Diagram (Handset_Main)----------------26
7.6. Schematic Diagram (Handset_RF Part)------------28
8 Exploded View and Replacement Parts List -----------30

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1 Safety Precautions
1.1. For Service Technicians
•Repair service shall be provided in accordance with repair technology information such as service manual so as to pre-
vent fires, injury or electric shock, which can be caused by improper repair work.
1. When repair services are provided, neither the products nor their parts or members shall be remodeled.
2. If a lead wire assembly is supplied as a repair part, the lead wire assembly shall be replaced.
3. FASTON terminals shall be plugged straight in and unplugged straight out.
•ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on worktable.
4. Do not grasp IC or LSI pins with bare fingers.
2Warning
2.1. Battery Caution
Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to the instructions.

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KX-TG6431M/KX-TG6431T/KX-TGA641M/KX-TGA641T
3 Specifications
Note:
• Design and specifications are subject to change without notice.
Note for Service:
•Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition.
•Analog telephone connection: Telephone Line
•Optional headset: KX-TCA60, KX-TCA86, KX-TCA92, KX-TCA93, KX-TCA94

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KX-TG6431M/KX-TG6431T/KX-TGA641M/KX-TGA641T
4 Location of Controls and Components
4.1. Controls
4.1.1. Base Unit
4.1.2. Handset

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KX-TG6431M/KX-TG6431T/KX-TGA641M/KX-TGA641T
4.2. Display

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5 Installation Instructions
5.1. Connections 5.2. Battery
5.2.1. Battery Installation

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5.2.2. Battery Charge
Note for service:
The battery strength may not be indicated correctly if the
battery is disconnected and connected again, even after it is
fully charged. In that case, by recharging the battery as
mentioned above, you will get a correct indication of the
battery strength.
5.2.3. Battery Level
5.2.4. Panasonic Ni-MH Battery
Performance (supplied batteries)

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6 Operating Instructions
6.1. Programmable Settings
6.1.1. Programming by Scrolling through the Display Menus