Panasonic KX-TGA680BXB Manuals

Manuals and User Guides for Panasonic KX-TGA680BXB. We have 1 Panasonic KX-TGA680BXB manual available for free PDF download: Service Manual

Panasonic KX-TGA680BXB Service Manual (89 pages)

Brand: Panasonic | Category: Answering Machine | Size: 4.89 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
Behavior of Electric Power Failure
23
Signal Route
24
Location of Controls and Components
26
Installation Instructions
26
Operating Instructions
26
Test Mode
27
Engineering Mode
27
Base Unit
27
Handset
29
Service Mode
31
How to Clear User Setting (Handset Only)
31
Troubleshooting Guide
32
Troubleshooting Flowchart
32
Check Power
33
Check Record
34
Check Playback
37
Check Battery Charge
37
Check Link
38
Check the RF Part
40
Registering a Handset to the Base Unit
44
Deregistering a Handset
44
Check Handset Transmission
45
Check Handset Reception
45
Check Caller
45
Disassembly and Assembly Instructions
46
Disassembly Instructions
46
Base Unit
46
Handset
48
How to Replace the Base Unit LCD
49
How to Replace the Handset LCD
51
Measurements and Adjustments
52
Equipment Required
52
The Setting Method of JIG
52
Connections (Base Unit)
52
Connections (Handset)
53
How to Install Batch File into P.C
54
Commands (Base Unit)
55
Commands (Handset)
55
Adjustment Standard (Base Unit)
56
Bottom View
56
Adjustment Standard (Handset)
57
Component View
57
Things to Do after Replacing IC or X'tal
58
How to Download the Data
58
Frequency Table
60
Miscellaneous
61
How to Replace the LLP (Leadless Leadframe Package) IC
61
Preparation
61
Caution
61
How to Remove the IC
61
How to Install the IC
62
How to Replace the Flat Package IC
63
Preparation
63
How to Remove the IC
63
How to Install the IC
64
How to Remove a Solder Bridge
64
Terminal Guide of the Ics, Transistors and Diodes
65
Base Unit
65
Handset
65
Schematic Diagram
67
For Schematic Diagram
67
Unit_Main))
67
Handset
67
(Handset_Main))
67
Schematic Diagram (Base Unit_Main)
68
Schematic Diagram (Base Unit_Operation)
70
Schematic Diagram (Base Unit_Led)
72
Schematic Diagram (Handset_Main)
74
Printed Circuit Board
77
Circuit Board (Base Unit_Main)
77
Component View
77
Bottom View
78
Circuit Board (Base Unit_Operation)
79
Circuit Board (Base Unit_Led)
79
Circuit Board (Handset_Main)
81
Component View
81
Bottom View
82
Exploded View and Replacement Parts List
83
Cabinet and Electrical Parts (Base Unit)
83
Cabinet and Electrical Parts (Handset)
84
Accessories
85
Replacement Parts List
86
Base Unit
86
Handset
88
Accessories
89
Screws
89
Fixtures and Tools
89

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Panasonic KX-TGA680BXB Service Manual (89 pages)

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