Panasonic KX-TG2820 free download

File name KX-TG2820-22LAB.pdf

ORDER NO. KM40506787CE Telephone Equipment KX-TG2820LAB KX-TG2822LAB KX-TGA243LAB KX-TGA246LAB 2.4 GHz Digital Cordless Phone Black Version (for Latin America) © 2005 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. KX-TG2820LAB / KX-TG2822LAB / KX-TGA243LAB / KX-TGA246LAB Note: Because CONTENTS 4 is the extract from the Operating Instructions of this model, it is subject to change without notice. You can download and refer to the original Operating Instructions on TSN Server for further information. CONTENTS Page 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 OPERATING INSTRUCTIONS 4.1. Battery 4.2. Location of Controls 4.3. Displays 4.4. Settings 4.5. Troubleshooting 5 DISASSEMBLY INSTRUCTIONS 5.1. Base Unit 5.2. Handset 5.3. Charger Unit 6 HOW TO REPLACE THE HANDSET LCD 7 TROUBLESHOOTING GUIDE 7.1. Check Power 7.2. Check Battery Charge 7.3. Check Link 7.4. Check the RF part 7.5. Check Handset Transmission 7.6. Check Handset Reception 7.7. Check Caller ID 8 ADJUSTMENT AND TEST MODE 8.1. Test Mode Flow Chart for Base Unit 8.2. Test Mode Flow Chart for Handset 8.3. X501 (Base Unit), X201 (Handset) Check 8.4. Adjust Battery Low Detector Voltage (Handset) 8.5. Base Unit Reference Drawing 8.6. Handset Reference Drawing 8.7. Frequency Table 8.8. How to Clear User Setting (Handset Only) 9 DESCRIPTION 9.1. Frequency 9.2. FHSS (Frequency Hopping Spread Spectrum) 4 4 5 5 5 6 6 8 10 11 15 18 18 19 20 21 22 23 24 25 26 33 33 33 34 34 38 42 42 43 44 45 46 47 47 47 9.3. Signal Flowchart in the Whole System 10 EXPLANATION OF LINK DATA COMMUNICATION 10.1. Calling 10.2. To Terminate Communication 10.3. Ringing 11 BLOCK DIAGRAM (BASE UNIT_MAIN) 12 BLOCK DIAGRAM (BASE UNIT_RF PART) 13 CIRCUIT OPERATION (BASE UNIT_MAIN) 13.1. DSP (Digital Speech/Signal Processing: IC501) 13.2. EEPROM (IC611) 13.3. Power Supply Circuit 13.4. Reset Circuit 13.5. Telephone Line Interface 13.6. Parallel Connection Detect Circuit 13.7. Calling Line Identification (Caller ID) 13.8. 2.4GHz Mod/Demod Circuit (Base Unit RF Part) 14 BLOCK DIAGRAM (HANDSET_MAIN) 15 BLOCK DIAGRAM (HANDSET_RF PART) 16 CIRCUIT OPERATION (HANDSET) 16.1. Construction 16.2. Power Supply Circuit 16.3. Charge Circuit 16.4. Ringer and Handset SP-Phone 16.5. Sending Signal 16.6. Reception Signal 16.7. 2.4GHz Mod/Demod Circuit (Handset RF Part) 17 CIRCUIT OPERATION (CHARGER UNIT) 18 SIGNAL ROUTE 19 CPU DATA (BASE UNIT) 19.1. IC501 20 CPU DATA (HANDSET) 20.1. IC201 21 EXPLANATION OF IC TERMINALS (RF PART) 21.1. IC901 22 HOW TO REPLACE A FLAT PACKAGE IC 22.1. PREPARATION Page 49 50 50 50 50 51 52 53 53 53 54 56 57 58 59 60 61 62 63 63 64 65 65 66 66 67 68 69 70 70 71 71 72 72 73 73 2 KX-TG2820LAB / KX-TG2822LAB / KX-TGA243LAB / KX-TGA246LAB 22.2. FLAT PACKAGE IC REMOVAL PROCEDURE 22.3. FLAT PACKAGE IC INSTALLATION PROCEDURE 22.4. BRIDGE MO