
1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 4
1.1. Suggested PbF Solder 4
1.2. How to Recognize that Pb Free Solder is Used 5
2 FOR SERVICE TECHNICIANS 6
3 CAUTION 6
4 OPERATING INSTRUCTIONS 7
4.1. Battery 7
4.2. Location of Controls 9
4.3. Displays 11
4.4. Settings 13
4.5. Troubleshooting 18
5 DISASSEMBLY INSTRUCTIONS 22
5.1. Base Unit 22
5.2. Handset 23
5.3. Charger Unit 24
6 HOW TO REPLACE THE HANDSET LCD 25
7 TROUBLESHOOTING GUIDE 26
7.1. Check Power 27
7.2. Error Message Table 27
7.3. Check Record 28
7.4. Check Playback 29
7.5. Check Sp-phone Transmission 29
7.6. Check Sp-phone Reception 30
7.7. Check Battery Charge 30
7.8. Check Link 31
7.9. Check the RF part 32
7.10. Check Handset Transmission 39
7.11. Check Handset Reception 39
7.12. Check Caller ID 39
8 ADJUSTMENT AND TEST MODE 40
8.1. Test Mode Flow Chart for Base Unit 40
8.2. Test Mode Flow Chart for Handset 44
8.3. X501 (Base Unit), X201 (Handset) Check 48
8.4. Adjust Battery Low Detector Voltage (Handset) 48
8.5. Base Unit Reference Drawing 49
8.6. Handset Reference Drawing 50
8.7. Frequency Table 51
8.8. How to Clear User Setting 53
9 DESCRIPTION 54
9.1. Frequency 54
9.2. FHSS (Frequency Hopping Spread Spectrum) 54
9.3. Signal Flowchart in the Whole System 56
10 EXPLANATION OF LINK DATA COMMUNICATION 57
10.1. Calling 57
10.2. To Terminate Communication 57
10.3. Ringing 57
11 BLOCK DIAGRAM (BASE UNIT_MAIN) 58
12 CIRCUIT OPERATION (BASE UNIT_MAIN) 59
12.1. DSP (Digital Speech/Signal Processing: IC501) 59
12.2. Flash Memory (IC601) 59
12.3. Power Supply Circuit 60
12.4. Reset Circuit 62
12.5. Telephone Line Interface 63
12.6. Auto Disconnect Circuit 64
12.7. Parallel Connection Detect Circuit 65
12.8. Calling Line Identification (Caller ID)/Call Waiting Caller ID
66
13 BLOCK DIAGRAM (BASE UNIT_RF PART) 68
14 BLOCK DIAGRAM (HANDSET_RF PART) 69
15 CIRCUIT OPERATION (RF PART) 70
15.1. Power Supply Circuit 71
15.2. 2.4GHz Mod/Demod Circuit 72
15.3. 5.8GHz Converter Circuit 73
15.4. 5.8GHz PA (Power Amplifier), 5.8GHz LNA (Low Noise
Amplifier) and Antenna Switch Circuit 74
16 BLOCK DIAGRAM (HANDSET) 75
17 CIRCUIT OPERATION (HANDSET) 76
17.1. Construction 76
17.2. Power Supply Circuit 77
17.3. Charge Circuit 78
17.4. Ringer and Handset SP-Phone 78
17.5. Sending Signal 79
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
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KX-TG5671S / KX-TG5672B / KX-TG5673B / KX-TGA560S / KX-TGA560B