Panasonic KX-TGA421N Manuals

Manuals and User Guides for Panasonic KX-TGA421N. We have 2 Panasonic KX-TGA421N manuals available for free PDF download: Service Manual, Manual

Panasonic KX-TGA421N Service Manual (87 pages)

Telephone Equipment

Brand: Panasonic | Category: Answering Machine | Size: 6.42 MB

Table of Contents
3
Safety Precautions
5
For Service Technicians
5
Warning
5
Battery Caution
5
About Lead Free Solder (Pbf: Pb Free)
5
Suggested Pbf Solder
6
Discarding of P. C. Board
6
Specifications
7
Technical Descriptions
8
DECT Description
8
TDD Frame Format
8
TDMA System
8
Signal Flowchart in the Radio Parts
9
Block Diagram (Base Unit_Main)
10
Block Diagram (Base Unit_Rf Part)
11
Circuit Operation (Base Unit)
12
BBIC (Base Band IC: IC501)
12
Flash Memory (IC601)
12
Eeprom (Ic611)
12
Power Supply Circuit/Reset Circuit
13
Telephone Line Interface
15
Parallel Connection Detect Circuit/Auto Disconnect Circuit
16
Calling Line Identification (Caller ID)/Call Waiting Caller
17
Block Diagram (Handset)
19
Block Diagram (Handset_Rf Part)
20
Circuit Operation (Handset)
21
Outline
21
Power Supply Circuit/Reset Circuit
21
Charge Circuit
22
Battery Low/Power down Detector
22
Speakerphone
22
Signal Route
23
Location of Controls and Components
25
Installation Instructions
25
Operating Instructions
25
Test Mode
26
Engineering Mode
26
Base Unit
26
Handset
28
Service Mode
30
How to Clear User Setting (Handset Only)
30
Troubleshooting Guide
31
Troubleshooting Flowchart
31
Check Power
32
Check Record
33
Check Playback
34
Check Battery Charge
34
Check Link
35
Check the RF Part
37
Registering a Handset to the Base Unit
41
Deregistering a Handset
41
Check Handset Transmission
42
Check Handset Reception
42
Check Caller
42
Disassembly and Assembly Instructions
43
Disassembly Instructions
43
Base Unit
43
Handset
45
Charger Unit
46
How to Replace the Handset LCD
47
Measurements and Adjustments
48
Equipment Required
48
The Setting Method of JIG
48
Connections (Base Unit)
48
Connections (Handset)
49
How to Install Batch File into P.C
50
Commands
50
Adjustment Standard (Base Unit)
51
Bottom View
51
Adjustment Standard (Handset)
52
Component View
52
Things to Do after Replacing IC or X'tal
53
How to Download the Data
53
Frequency Table
55
Miscellaneous
56
How to Replace the Shield Case
56
Preparation
56
Caution
56
How to Remove the Shield Case
56
How to Install the Shield Case
57
How to Replace the LLP (Leadless Leadframe Package) IC
58
Preparation
58
Caution
58
How to Remove the IC
58
How to Install the IC
59
How to Remove a Solder Bridge
59
Terminal Guide of the Ics, Transistors and Diodes
60
Base Unit
60
Handset
60
Schematic Diagram
61
For Schematic Diagram
61
Base Unit (Schematic Diagram (Base Unit_Main))
61
Handset (Schematic Diagram (Handset_Main))
61
Schematic Diagram (Base Unit_Main)
62
Schematic Diagram (Base Unit_Operation)
64
Schematic Diagram (Handset_Main)
66
Printed Circuit Board
69
Circuit Board (Base Unit_Main)
69
Component View
69
Bottom View
70
Circuit Board (Base Unit_Operation)
71
Circuit Board (Handset_Main)
73
Component View
73
Bottom View
74
Exploded View and Replacement Parts List
75
Cabinet and Electrical Parts (Base Unit)
75
Cabinet and Electrical Parts (Handset)
76
Cabinet and Electrical Parts (Charger Unit)
77
Accessories and Packing Materials
78
Kx-Tg4221N
78
Kx-Tg4222N
79
Kx-Tg4223N/ Kx-Tg313Sk
80
Kx-Tg4224N
81
Kx-Tg4225N
82
Kx-Tga421N
83
Replacement Parts List
84
Base Unit
84
Handset
85
Charger Unit
86
Accessories and Packing Materials
86
Screws
87
Fixtures and Tools
87

Panasonic KX-TGA421N Manual (40 pages)

4000 SERIES; 6500 SERIES; 4700 SERIES; 4200 SERIES;

Brand: Panasonic | Category: Cordless Telephone | Size: 4.01 MB

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