Panasonic KX-PRL260RUB / KX-PRLA20RUB Service Manual ▷ View online
ORDER NO. KM41410879CE
Telephone Equipment
Model No.
KX-PRL260RUB
KX-PRLA20RUB
KX-PRLA20RUB
Link-to-Cell Docking Station for iPhone
B:
Black
Version
(for C.I.S.)
(Base Unit)
KX-PRL260
(Handset)
KX-PRLA20
KX-PRL260 1 (PRL260) 1 (PRLA20)
Model No
Base Unit
Handset Charger Unit
Configuration for each model
2
KX-PRL260RUB/KX-PRLA20RUB
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting
to service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone
else could result in serious injury or death.
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting
to service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone
else could result in serious injury or death.
IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that
these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.
Do not modify the original design without permission of manufacturer.
in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that
these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING
If lead free solder was used in the manufacture of this product, the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the
use of PbF and how it might be permissible to use Pb solder during service and repair work.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the
use of PbF and how it might be permissible to use Pb solder during service and repair work.
L When you note the serial number, write down all 11 digits. The serial number may be found on the bottom of the unit.
L The illustrations in this Service Manual may vary slightly from the actual product.
L The illustrations in this Service Manual may vary slightly from the actual product.
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KX-PRL260RUB/KX-PRLA20RUB
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. 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 Technical Descriptions ----------------------------------------- 8
4.1. Block Diagram (Base Unit_Main)---------------------- 8
4.2. Tel Interface Circuit---------------------------------------- 9
4.3. Block Diagram (Base Unit_RF Part) -----------------10
4.4. Circuit Operation (Base Unit) -------------------------- 11
4.2. Tel Interface Circuit---------------------------------------- 9
4.3. Block Diagram (Base Unit_RF Part) -----------------10
4.4. Circuit Operation (Base Unit) -------------------------- 11
4.4.1. BBIC (Base Band IC: IC501) --------------------- 11
4.4.2. Flash Memory (IC502)------------------------------ 11
4.4.3. Flash Memory (IC601)------------------------------ 11
4.4.4. EEPROM (IC611) ------------------------------------ 11
4.4.5. Bluetooth Unit (IC721) ------------------------------ 11
4.4.6. Power Supply Circuit/Reset Circuit--------------12
4.4.7. Telephone Line Interface---------------------------14
4.4.8. Transmitter/Receiver--------------------------------15
4.4.2. Flash Memory (IC502)------------------------------ 11
4.4.3. Flash Memory (IC601)------------------------------ 11
4.4.4. EEPROM (IC611) ------------------------------------ 11
4.4.5. Bluetooth Unit (IC721) ------------------------------ 11
4.4.6. Power Supply Circuit/Reset Circuit--------------12
4.4.7. Telephone Line Interface---------------------------14
4.4.8. Transmitter/Receiver--------------------------------15
4.5. Block Diagram (Handset)-------------------------------16
4.6. Block Diagram (Handset_RF Part)-------------------17
4.7. Circuit Operation (Handset)----------------------------18
4.6. Block Diagram (Handset_RF Part)-------------------17
4.7. Circuit Operation (Handset)----------------------------18
4.7.1. Outline --------------------------------------------------18
4.7.2. Power Supply Circuit/Reset Circuit--------------18
4.7.3. Charge Circuit ----------------------------------------19
4.7.4. Battery Low/Power Down Detector--------------19
4.7.5. Speakerphone ----------------------------------------19
4.7.2. Power Supply Circuit/Reset Circuit--------------18
4.7.3. Charge Circuit ----------------------------------------19
4.7.4. Battery Low/Power Down Detector--------------19
4.7.5. Speakerphone ----------------------------------------19
4.8. Signal Route -----------------------------------------------20
5 Location of Controls and Components ------------------22
6 Installation Instructions ---------------------------------------22
7 Operating Instructions-----------------------------------------22
6 Installation Instructions ---------------------------------------22
7 Operating Instructions-----------------------------------------22
7.1. For Service Hint-------------------------------------------22
8 Test Mode ----------------------------------------------------------23
8.1. Engineering Mode ----------------------------------------23
8.1.1. Base Unit ----------------------------------------------23
8.1.2. Handset ------------------------------------------------26
8.1.2. Handset ------------------------------------------------26
8.2. EEPROM LAYOUT (Handset)-------------------------28
8.2.1. Scope ---------------------------------------------------28
8.2.2. Introduction --------------------------------------------28
8.2.3. EEPROM contents ----------------------------------28
8.2.2. Introduction --------------------------------------------28
8.2.3. EEPROM contents ----------------------------------28
8.3. How to Clear User Setting------------------------------29
8.3.1. Resetting both base unit and handset----------29
8.3.2. Resetting only handset -----------------------------29
8.3.2. Resetting only handset -----------------------------29
9 Troubleshooting Guide ----------------------------------------30
9.1. Troubleshooting Flowchart -----------------------------30
9.1.1. Check Power------------------------------------------31
9.1.2. Check Battery Charge ------------------------------32
9.1.3. Check Link---------------------------------------------32
9.1.4. Check the RF part -----------------------------------34
9.1.5. Check Handset Transmission --------------------37
9.1.6. Check Handset Reception-------------------------37
9.1.7. Check Caller ID --------------------------------------37
9.1.8. Bell Reception ----------------------------------------38
9.1.9. Check BT Communication-------------------------39
9.1.2. Check Battery Charge ------------------------------32
9.1.3. Check Link---------------------------------------------32
9.1.4. Check the RF part -----------------------------------34
9.1.5. Check Handset Transmission --------------------37
9.1.6. Check Handset Reception-------------------------37
9.1.7. Check Caller ID --------------------------------------37
9.1.8. Bell Reception ----------------------------------------38
9.1.9. Check BT Communication-------------------------39
9.2. Troubleshooting by Symptom (Base Unit and
Charger Unit) ----------------------------------------------41
9.2.1. Check Point (Base Unit) --------------------------- 41
9.3. Troubleshooting by Symptom (Handset) ----------- 43
9.3.1. Check Point (Handset) ----------------------------- 43
10 Disassembly and Assembly Instructions--------------- 45
10.1. Disassembly Instructions------------------------------- 45
10.1.1. Base Unit ---------------------------------------------- 45
10.1.2. Handset ------------------------------------------------ 47
10.1.2. Handset ------------------------------------------------ 47
10.2. How to Replace the Handset LCD------------------- 48
11 Measurements and Adjustments -------------------------- 49
11.1. Equipment Required ------------------------------------ 49
11.2. The Setting Method of JIG----------------------------- 49
11.2. The Setting Method of JIG----------------------------- 49
11.2.1. Connections (Base Unit) -------------------------- 49
11.2.2. Connections (Handset) ---------------------------- 50
11.2.3. How to install Batch file into P.C. ---------------- 51
11.2.4. Commands-------------------------------------------- 52
11.2.2. Connections (Handset) ---------------------------- 50
11.2.3. How to install Batch file into P.C. ---------------- 51
11.2.4. Commands-------------------------------------------- 52
11.3. Adjustment Standard (Base Unit) -------------------- 53
11.3.1. Bottom View ------------------------------------------ 53
11.4. Adjustment Standard (Handset) ---------------------- 54
11.4.1. Component View ------------------------------------ 54
11.5. Things to Do after Replacing IC or X'tal ------------ 55
11.5.1. How to download the data ------------------------ 55
11.6. RF Specification ------------------------------------------ 60
11.6.1. Base Unit ---------------------------------------------- 60
11.6.2. Handset ------------------------------------------------ 60
11.6.2. Handset ------------------------------------------------ 60
11.7. How to Check the Handset Speaker or
Receiver ---------------------------------------------------- 61
11.8. Frequency Table (MHz)--------------------------------- 61
11.9. Bluetooth Frequency Table ---------------------------- 62
11.9. Bluetooth Frequency Table ---------------------------- 62
12 Miscellaneous---------------------------------------------------- 63
12.1. How to Replace the LLP (Leadless Leadframe
Package) IC ----------------------------------------------- 63
12.1.1. Preparation-------------------------------------------- 63
12.1.2. Caution------------------------------------------------- 63
12.1.3. How to Remove the IC ----------------------------- 63
12.1.4. How to Install the IC -------------------------------- 64
12.1.2. Caution------------------------------------------------- 63
12.1.3. How to Remove the IC ----------------------------- 63
12.1.4. How to Install the IC -------------------------------- 64
12.2. How to Replace the Flat Package IC --------------- 65
12.2.1. Preparation-------------------------------------------- 65
12.2.2. How to Remove the IC ----------------------------- 65
12.2.3. How to Install the IC -------------------------------- 66
12.2.4. How to Remove a Solder Bridge ---------------- 66
12.2.2. How to Remove the IC ----------------------------- 65
12.2.3. How to Install the IC -------------------------------- 66
12.2.4. How to Remove a Solder Bridge ---------------- 66
12.3. Terminal Guide of the ICs, Transistors and
Diodes ------------------------------------------------------ 67
12.3.1. Base Unit ---------------------------------------------- 67
12.3.2. Handset ------------------------------------------------ 67
12.3.2. Handset ------------------------------------------------ 67
13 Schematic Diagram -------------------------------------------- 69
13.1. For Schematic Diagram -------------------------------- 69
13.1.1. Base Unit (Schematic Diagram (Base
Unit_Main)) ------------------------------------------- 69
13.1.2. Handset (Schematic Diagram
(Handset_Main))------------------------------------- 69
13.2. Schematic Diagram (Base Unit_Main)-------------- 70
13.3. Schematic Diagram (Handset_Main) --------------- 72
13.3. Schematic Diagram (Handset_Main) --------------- 72
14 Printed Circuit Board ------------------------------------------ 75
14.1. Circuit Board (Base Unit_Main) ---------------------- 75
14.1.1. Component View ------------------------------------ 75
14.1.2. Bottom View ------------------------------------------ 76
14.1.2. Bottom View ------------------------------------------ 76
14.2. Circuit Board (KEY)-------------------------------------- 77
14.2.1. Component View / Bottom View ----------------- 77
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KX-PRL260RUB/KX-PRLA20RUB
14.3. Circuit Board (MIC) -------------------------------------- 78
14.3.1. Component View / Bottom View ----------------- 78
14.4. Circuit Board (Handset_Main) ------------------------ 79
14.4.1. Component View ------------------------------------ 79
14.4.2. Bottom View ------------------------------------------ 80
14.4.2. Bottom View ------------------------------------------ 80
15 Exploded View and Replacement Parts List ----------- 81
15.1. Cabinet and Electrical Parts (Base Unit) ----------- 81
15.2. Cabinet and Electrical Parts (Handset) ------------- 82
15.3. Accessories ----------------------------------------------- 83
15.4. Replacement Parts List --------------------------------- 84
15.2. Cabinet and Electrical Parts (Handset) ------------- 82
15.3. Accessories ----------------------------------------------- 83
15.4. Replacement Parts List --------------------------------- 84
15.4.1. Base Unit ---------------------------------------------- 84
15.4.2. Handset ------------------------------------------------ 86
15.4.3. Accessories ------------------------------------------ 87
15.4.4. Screws ------------------------------------------------- 87
15.4.5. Fixtures and Tools----------------------------------- 87
15.4.2. Handset ------------------------------------------------ 86
15.4.3. Accessories ------------------------------------------ 87
15.4.4. Screws ------------------------------------------------- 87
15.4.5. Fixtures and Tools----------------------------------- 87