Panasonic KX-TG2257BXS Manuals

Manuals and User Guides for Panasonic KX-TG2257BXS. We have 1 Panasonic KX-TG2257BXS manual available for free PDF download: Service Manual

Panasonic KX-TG2257BXS Service Manual (91 pages)

2.4GHz Digital Cordless Answering System

Brand: Panasonic | Category: Cordless Telephone | Size: 3.35 MB

Table of Contents
2
ABOUT LEAD FREE SOLDER (Pbf: Pb Free)
4
Suggested Pbf Solder
4
How to Recognize that Pb Free Solder Is Used (at KX-TG2257BXS)
5
Standard Battery Life
6
Battery Charge
6
Battery Strength
6
Recharge
6
Battery Information
7
Battery Replacement
7
Location of Controls
8
Base Unit
8
Handset
9
Displays
10
Handset Display
10
Base Unit Display
12
Connections
13
Adding Another Phone
14
Operation
15
Making Calls
15
Answering Calls
21
Automatic Answering Operation
22
Listening to Messages
23
FLASH Button
26
Disassembly Instructions
27
Assembly Instructions
29
Assembly the LCD to P.C. Board (Handset)
29
Troubleshooting Guide
30
Check Power
31
Error Message Table
31
Check Record
32
Check Playback
33
Check Sp-Phone Transmission
34
Check Sp-Phone Reception
34
Check Battery Charge
35
Check Link
35
Check the RF Unit
36
Check Handset Transmission
41
Check Handset Reception
41
Check Caller ID
41
Test Mode
42
Test Mode Flow Chart for Base Unit
42
TAM Test Mode Flow Chart
43
Test Mode Flow Chart for Handset
44
X201 Check
44
Adjustment Battery Low Detector Voltage
45
Base Unit Reference Drawing
46
Handset Reference Drawing
47
Frequency Table
48
Description
49
Frequency
49
Time Division Duplex (TDD) Operation
49
Signal Flowchart in the Whole System
50
EXPLANATION of BBIC (Base Band IC) DATA
51
Communication
51
Calling
51
To Terminate Communication
51
Ringing
51
Ports for Transmitting and Receiving of Data
51
BLOCK DIAGRAM (Base Unit)
52
CIRCUIT OPERATION (Base Unit)
53
DSP (Digital Speech/Signal Processing: IC201)
53
Flash Memory (IC300)
53
Power Supply Circuit
54
Reset Circuit
55
Locator/Intercom Mode
56
Telephone Line Interface
56
Auto Disconnect Circuit
57
Parallel Connection Detect Circuit
57
Signal Route
58
Calling Line Identification (Caller ID)/Call Waiting Caller ID
59
BLOCK DIAGRAM (Handset)
61
CIRCUIT OPERATION (Handset)
62
Construction
62
Power Supply Circuit
62
Charge Circuit
63
Ringer and Handset SP-Phone
63
Sending Signal
63
Reception Signal
64
CPU DATA (Base Unit)
65
Ic201
65
CPU DATA (Handset)
66
Ic201
66
Explanation of Rf Unit Terminals
67
Ic101
67
How to Replace Aflat Package IC
68
Preparation
68
Procedure
68
Removing Solder from between Pins
68
CABINET and ELECTRICAL PARTS (Base Unit)
69
CABINET and ELECTRICAL PARTS (Handset)
70
Accessories and Packing Materials
71
TERMINAL GUIDE of the Ics, TRANSISTORS and DIODES
72
Base Unit
72
Handset
72
Replacement Parts List
73
Base Unit
73
Handset
75
For Schematic Diagram
78
Base Unit (SCHEMATIC DIAGRAM (Base Unit))
78
Handset (SCHEMATIC DIAGRAM (Handset))
78
Memo
79
SCHEMATIC DIAGRAM (Base Unit)
80
SCHEMATIC DIAGRAM (Handset)
82
SCHEMATIC DIAGRAM (RF Unit)
84
CIRCUIT BOARD (RF Unit)
85
Memo
86
CIRCUIT BOARD (Base Unit)
87
Component View
87
Flow Solder Side View
88
CIRCUIT BOARD (Handset)
89
Component View
89
Flow Solder Side View
90

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