Panasonic KX-TC1709LBB, Service Manual

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1 STANDARD BATTERY LIFE 4
2 LOCATION OF CONTROLS 6
2.1. Base unit 6
2.2. Handset 7
3 DISPLAY 8
4 CONNECTIONS 10
4.1. Adding Another Phone 11
5 OPERATION 12
5.1. Making Calls 12
5.2. Answering Calls 16
5.3. FLASH Button 17
6 DISASSEMBLY INSTRUCTIONS 18
7 ASSEMBLY INSTRUCTIONS 20
7.1. Assembly the LCD to P.C. Board (Handset) 20
8 TROUBLESHOOTING GUIDE 21
8.1. Check Power 22
8.2. Check Battery Charge 23
8.3. Check Link 23
8.4. Check the RF Unit 24
8.5. Check Handset Transmission 29
8.6. Check Handset Reception 29
8.7. Check Call ID 29
9 TEST MODE 30
9.1. Test mode flow chart for Base Unit 30
9.2. Test mode flow chart for Handset 31
9.3. X101 Check 32
9.4. Base Unit Reference Drawing 32
9.5. Handset Reference Drawing 33
9.6. FREQUENCY TABLE 34
10 DESCRIPTION 35
10.1. Frequency 35
10.2. Time Division Duplex (TDD) operation 35
10.3. Signal Flowchart in the Whole System 36
11 EXPLANATION OF BBIC (Base Band IC) DATA
COMMUNICATION 37
11.1. Calling 37
11.2. To Terminate Communication 37
11.3. Ringing 37
11.4. Ports for Transmitting and Receiving of Data 37
12 BLOCK DIAGRAM (Base Unit) 38
13 CIRCUIT OPERATION (Base Unit) 39
13.1. DSP (Digital Speech/Signal Processing: IC501) 39
13.2. EEPROM (IC551) 39
13.3. Power Supply Circuit 40
13.4. Reset Circuit 41
13.5. Telephone Line Interface 42
13.6. Parallel Connection Detect Circuit 43
13.7. Signal Route 44
13.8. Calling Line Identification Circuit (Caller ID) 45
14 BLOCK DIAGRAM (Handset) 47
15 CIRCUIT OPERATION (Handset) 48
15.1. Construction 48
15.2. Power Supply Circuit 48
15.3. Charge Circuit 49
15.4. Ringer and Handset SP-Phone 49
15.5. Sending Signal 49
15.6. Reception Signal 50
16 CPU DATA (Base Unit) 51
16.1. IC501 51
17 CPU DATA (Handset) 52
17.1. IC201 52
18 EXPLANATION OF IC TERMINALS (RF Unit) 53
18.1. IC101 53
19 HOW TO REPLACE FLAT PACKAGE IC 54
19.1. Preparation 54
19.2. Procedure 54
CONTENTS
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KX-TC1709LBB