KX-TCA364RU - Panasonic Telephone Service Manual (repair manual). Page 2

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1 Safety Precautions -----------------------------------------------3

1.1. For Service Technicians ----------------------------------3

2 Warning --------------------------------------------------------------3

2.1. About Lead Free Solder (PbF: Pb free) --------------3
2.2. Battery Caution ---------------------------------------------4
2.3. Discarding of P. C. Board --------------------------------4

3 Specifications ------------------------------------------------------5
4 Technical Descriptions------------------------------------------6

4.1. Block Diagram (Handset) --------------------------------6
4.2. Circuit Operation (Handset) -----------------------------7
4.3. Block Diagram (RF Unit) ---------------------------------8
4.4. Circuit Operation (Charge Unit) ------------------------9
4.5. Signal Route-------------------------------------------------9

5 Location of Controls and Components------------------ 10

5.1. Location of Controls (Handset) ----------------------- 10

6 Installation Instructions--------------------------------------- 11

6.1. Connection------------------------------------------------- 11
6.2. Battery ------------------------------------------------------ 12

7 Operating Instructions ---------------------------------------- 14

7.1. Soft Key Display ------------------------------------------ 14
7.2. Settings Menu Chart (Handset) ---------------------- 15
7.3. Key Lock---------------------------------------------------- 16
7.4. Selecting the Display Language---------------------- 16
7.5. Display ------------------------------------------------------ 16

8 Troubleshooting Guide---------------------------------------- 23

8.1. Check Power (Handset) -------------------------------- 24
8.2. Charge Unit ------------------------------------------------ 24
8.3. Check Battery Charge (Handset) -------------------- 25
8.4. Check Link (Handset) ----------------------------------- 27
8.5. Check Handset Transmission------------------------- 28
8.6. Check Handset Reception ----------------------------- 28
8.7. Bell Reception (Handset) ------------------------------ 28

9 Service Fixture & Tools --------------------------------------- 29

10 Disassembly and Assembly Instructions--------------- 30

10.1. Handset----------------------------------------------------- 30
10.2. Charger Unit ----------------------------------------------- 31

11 Measurements and Adjustments -------------------------- 32

11.1. Check Procedure (Handset)--------------------------- 32
11.2. Adjustments (Handset and Charger Unit)---------- 37
11.3. RF Specification (Handset) ---------------------------- 42
11.4. How to Check the Handset Speaker ---------------- 43
11.5. How to Check the Handset Receiver --------------- 43
11.6. Frequency Table (MHz)--------------------------------- 44

12 Miscellaneous ---------------------------------------------------- 45

12.1. Terminal Guide of the ICs, Transistors and

Diodes------------------------------------------------------- 45

12.2. How To Replace a Flat Package IC ----------------- 46
12.3. How to Replace the LLP (Leadless Leadframe

Package) IC and IC ground plate -------------------- 47

12.4. Memo-------------------------------------------------------- 49

13 Schematic Diagram--------------------------------------------- 50

13.1. Handset----------------------------------------------------- 50
13.2. Handset (RF Unit)---------------------------------------- 52
13.3. Charger Unit ----------------------------------------------- 53

14 Printed Circuit Board ------------------------------------------ 54

14.1. Handset----------------------------------------------------- 54
14.2. Charger Unit ----------------------------------------------- 55

15 Appendix Information of Schematic Diagram --------- 56

16 Exploded View and Replacement Parts List----------- 57

16.1. CPU Data (Handset) ------------------------------------ 57
16.2. Cabinet and electrical Parts Location

(Handset) -------------------------------------------------- 59

16.3. Accessories and Packing Materials----------------- 61
16.4. Replacement Part List---------------------------------- 62