Table Of Contents - Panasonic KX-TG2220BXB Service Manual

KX-TG2220BXB / KX-TG2220BXF / KX-TG2220BXS / KX-TGA226BXB / KX-TGA226BXF / KX-TGA226BXS
CONTENTS
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
1.1. Suggested PbF Solder
1.2. How to recognize that Pb Free solder is used
2 FOR SERVICE TECHNICIANS
3 CAUTION
4 BATTERY
4.1. Installing the Battery in the Handset
4.2. Battery Charge
4.3. Battery Recharge
4.4. Battery Strength
4.5. Battery Replacement
4.6. Battery information
5 LOCATION OF CONTROLS
5.1. Base Unit
5.2. Handset
6 DISPLAY
6.1. Troubleshooting
7 SETTINGS
7.1. Connections
7.2. Dialing Mode
7.3. Line Mode (Handset)
7.4. Voice Enhancer Technology
7.5. Direct Commands
8 OPERATIONS
8.1. Making Calls
8.2. Answering Calls
8.3. FLASH Button
8.4. Dial Lock
8.5. Phone Book
9 DISASSEMBLY INSTRUCTIONS
10 ASSEMBLY INSTRUCTIONS
10.1. Fix the LCD to P.C. Board (Handset)
11 TROUBLESHOOTING GUIDE
11.1. Check Power
11.2. Check Battery Charge
11.3. Check Link
11.4. Check the RF Unit
11.5. Check Handset Transmission
11.6. Check Handset Reception
11.7. Check Caller ID
12 TEST MODE
12.1. Test mode flow chart for Base Unit
12.2. Test mode flow chart for Handset
Page
4 12.3. X201 Check
4 12.4. Adjustment Battery Low Detector Voltage
5 12.5. Base Unit Reference Drawing
6 12.6. Handset Reference Drawing
6 12.7. Frequency Table
7 13 DESCRIPTION
7 13.1. Frequency
7 13.2. Time Division Duplex (TDD) operation
7 13.3. Signal Flowchart in the Whole System
8 14 EXPLANATION OF BBIC (Base Band IC) DATA
8 COMMUNICATION
8 14.1. Calling
9 14.2. To Terminate Communication
9 14.3. Ringing
10 14.4. Ports for Transmitting and Receiving of Data
11 15 BLOCK DIAGRAM (BASE UNIT)
11 16 CIRCUIT OPERATION (BASE UNIT)
13 16.1. DSP (Digital Speech/Signal Processing: IC201)
13 16.2. EEPROM (IC202)
14 16.3. Power Supply Circuit
14 16.4. Reset Circuit
15 16.5. Locator Mode
16 16.6. Telephone Line Interface
17 16.7. Auto Disconnect Circuit
17 16.8. Parallel Connection Detect Circuit
19 16.9. Calling Line Identification (Caller ID)
19 17 BLOCK DIAGRAM (HANDSET)
20 18 CIRCUIT OPERATION (HANDSET)
21 18.1. Construction
25 18.2. Power Supply Circuit
27 18.3. Reset Circuit
27 18.4. Charge Circuit
28 18.5. Ringer and Handset SP-Phone
29 18.6. Sending Signal
30 18.7. Reception Signal
30 19 SIGNAL ROUTE
31 20 CPU DATA (BASE UNIT)
36 20.1. IC201
36 21 CPU DATA (HANDSET)
36 21.1. IC201
37 22 EXPLANATION OF RF UNIT TERMINALS
37 22.1. IC801
38 23 HOW TO REPLACE A FLAT PACKAGE IC
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