KX-PRS110UAW, KX-PRSA10RUW - Panasonic Telephone Service Manual (repair manual). Page 3

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3
KX-PRS110UAW/KX-PRSA10RUW
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions----------------------------------------------- 5
1.1. For Service Technicians --------------------------------- 5
2 Warning -------------------------------------------------------------- 5
2.1. Battery Caution--------------------------------------------- 5
2.2. About Lead Free Solder (Pbf: Pb free)--------------- 5
2.2.1. Suggested PbF Solder ------------------------------ 6
2.3. Discarding of P.C. Board--------------------------------- 6
3 Specifications ----------------------------------------------------- 7
4 Technical Descriptions ----------------------------------------- 8
4.1. Block Diagram (Base Unit) ------------------------------ 8
4.2. Circuit Operation (Base Unit) --------------------------- 9
4.2.1. Outline --------------------------------------------------- 9
4.3. Circuit Operation (Base Unit) --------------------------10
4.3.1. BBIC (Base Band IC: IC501) ---------------------10
4.3.2. EEPROM (IC611) ------------------------------------10
4.3.3. Power Supply Circuit--------------------------------11
4.3.4. Telephone Line Interface---------------------------12
4.3.5. Transmitter/Receiver--------------------------------12
4.4. Block Diagram (Handset)-------------------------------13
4.5. Circuit Operation (Handset)----------------------------14
4.5.1. Outline --------------------------------------------------14
4.5.2. Power Supply Circuit/Reset Circuit--------------14
4.5.3. Charge Circuit ----------------------------------------14
4.5.4. Battery Low/Power Down Detector--------------14
4.5.5. Speakerphone ----------------------------------------14
4.6. Signal Route -----------------------------------------------15
5 Location of Controls and Components ------------------16
6 Installation Instructions ---------------------------------------16
7 Operating Instructions-----------------------------------------16
7.1. For Service Hint-------------------------------------------16
8 Service Mode -----------------------------------------------------17
8.1. Engineering Mode ----------------------------------------17
8.1.1. Base Unit ----------------------------------------------17
8.1.2. Handset ------------------------------------------------19
8.2. EEPROM LAYOUT (Handset)-------------------------21
8.2.1. Scope ---------------------------------------------------21
8.2.2. Introduction--------------------------------------------21
8.2.3. EEPROM contents ----------------------------------21
8.3. How to Clear User Setting------------------------------22
8.3.1. Resetting both base unit and handset----------22
8.3.2. Resetting only handset -----------------------------22
9 Troubleshooting Guide ----------------------------------------23
9.1. Troubleshooting Flowchart -----------------------------23
9.1.1. Check Power------------------------------------------24
9.1.2. Check Battery Charge ------------------------------25
9.1.3. Check Link---------------------------------------------26
9.1.4. Check the RF part -----------------------------------29
9.1.5. Check Handset Transmission --------------------32
9.1.6. Check Handset Reception-------------------------32
9.1.7. Check Caller ID --------------------------------------32
9.1.8. Bell Reception ----------------------------------------33
9.2. Troubleshooting by Symptom (Base Unit) ---------34
9.2.1. Check Point (Base Unit) ---------------------------34
9.3. Troubleshooting by Symptom (Handset) -----------36
9.3.1. Check Point (Handset) -----------------------------36
9.3.2. Troubleshooting for Speakerphone--------------39
10 Disassembly and Assembly Instructions ---------------40
10.1. Disassembly Instructions -------------------------------40
10.1.1. Base Unit ---------------------------------------------- 40
10.1.2. Handset------------------------------------------------ 42
10.1.3. Charger Unit ------------------------------------------ 43
10.2. How to Replace the Handset LCD------------------- 45
11 Measurements and Adjustments -------------------------- 46
11.1. Equipment Required ------------------------------------ 46
11.2. The Setting Method of JIG (Base Unit) ------------- 46
11.2.1. Connections ------------------------------------------ 46
11.2.2. How to install Batch file into P.C. ---------------- 47
11.2.3. Commands-------------------------------------------- 47
11.3. Adjustment Standard (Base Unit) -------------------- 48
11.3.1. Bottom View ------------------------------------------ 48
11.4. The Setting Method of JIG (Handset)--------------- 49
11.4.1. Connections ------------------------------------------ 49
11.4.2. How to install Batch file into P.C. ---------------- 50
11.4.3. Commands-------------------------------------------- 50
11.5. Adjustment Standard (Handset) ---------------------- 51
11.5.1. Component View ------------------------------------ 51
11.6. Things to Do after Replacing IC or X'tal ------------ 52
11.6.1. How to download the data ------------------------ 52
11.7. RF Specification ------------------------------------------ 54
11.7.1. Base Unit ---------------------------------------------- 54
11.7.2. Handset------------------------------------------------ 54
11.8. How to Check the Handset Speaker or
Receiver ---------------------------------------------------- 55
11.9. Frequency Table (MHz)--------------------------------- 55
12 Miscellaneous---------------------------------------------------- 56
12.1. How to Replace the Flat Package IC --------------- 56
12.1.1. Preparation-------------------------------------------- 56
12.1.2. How to Remove the IC----------------------------- 56
12.1.3. How to Install the IC -------------------------------- 57
12.1.4. How to Remove a Solder Bridge ---------------- 57
12.2. How to Replace the Shield Case--------------------- 58
12.2.1. Preparation-------------------------------------------- 58
12.2.2. Caution------------------------------------------------- 58
12.2.3. How to Remove the Shield Case---------------- 58
12.2.4. How to Install the Shield Case ------------------- 59
12.3. Terminal Guide of the ICs, Transistors, Diodes
and Electrolytic Capacitors ---------------------------- 60
12.3.1. Base Unit ---------------------------------------------- 60
12.3.2. Handset------------------------------------------------ 60
13 Schematic Diagram -------------------------------------------- 61
13.1. For Schematic Diagram -------------------------------- 61
13.1.1. Base Unit (Base Unit) ------------------------------ 61
13.1.2. Handset (Handset)---------------------------------- 61
13.2. Base Unit--------------------------------------------------- 62
13.3. Handset----------------------------------------------------- 64
14 Printed Circuit Board ------------------------------------------ 67
14.1. Base Unit--------------------------------------------------- 67
14.1.1. Component View ------------------------------------ 67
14.1.2. Bottom View ------------------------------------------ 68
14.2. Handset----------------------------------------------------- 69
14.2.1. Component View ------------------------------------ 69
14.2.2. Bottom View ------------------------------------------ 70
15 Exploded View and Replacement Parts List ----------- 71
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 71
15.2. Cabinet and Electrical Parts (Handset)------------- 72
15.3. Cabinet and Electrical Parts (Charger Unit) ------- 73
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