Panasonic KX-TG1711MEB Service Manual
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Panasonic KX-TG1711MEB Service Manual

Panasonic KX-TG1711MEB Service Manual

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Please use this manual with the original service manual mentioned on the page 3.
Telephone Equipment
KX-TG1711MEB
Model No.
KX-TG1712MEB
KX-TGA171MEB
Digital Cordless Phone
B: Piano Black Version
© Panasonic System Networks Co., Ltd. 2014
Unauthorized copying and distribution is a
violation of law.
ORDER NO. KM41407611SE

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Summary of Contents for Panasonic KX-TG1711MEB

  • Page 1 Model No. KX-TG1712MEB KX-TGA171MEB Digital Cordless Phone B: Piano Black Version Please use this manual with the original service manual mentioned on the page 3. © Panasonic System Networks Co., Ltd. 2014 Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PAGE 1 ORIGINAL SERVICE MANUAL INFORMATION ----------3 2 REPLACEMENT PARTS LIST ---------------------------------3 2.1. REFERENCE CHART ------------------------------------3 2.2. ORIGINAL AND NEW PARTS COMPARISON LISTS----------------------------------------------------------3 3 CHANGES (Suffix Code: F or later) -------------------------4 3.1. Technical Descriptions ------------------------------------4 3.1.1. Block Diagram (Base Unit)--------------------------4 3.1.2.

  • Page 3: Original Service Manual Information

    1 ORIGINAL SERVICE MANUAL INFORMATION Suffix Code Model No. on S/M Destinations Order No. of S/M Base Unit Handset KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB Mexico KM41108492CE E to F E to F 2 REPLACEMENT PARTS LIST 2.1. REFERENCE CHART Reason for Change *The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS.

  • Page 4: Changes (Suffix Code: F Or Later)

    3 CHANGES (Suffix Code: F or later) 3.1. Technical Descriptions 3.1.1. Block Diagram (Base Unit) [Changed from original section “4.1. Block Diagram (Base Unit)”]...

  • Page 5: Circuit Operation (Base Unit)

    3.1.2. Circuit Operation (Base Unit) [Changed from original section "4.2. Circuit Operation (Base Unit)"] 3.1.2.1. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM, Relay Coil, LED and Charge Contact from AC Adaptor as shown in Fig.101. The power supply is as follows: 2.65V BBIC IC3-VDDBAT...

  • Page 6: Block Diagram (Handset)

    3.1.3. Block Diagram (Handset) [Changed from original section "4.3. Block Diagram (Handset)"]...

  • Page 7: Circuit Operation (Handset)

    3.1.4. Circuit Operation (Handset) [Changed from original section "4.4. Circuit Operation (Handset)"] 3.1.4.1. Charge Circuit Circuit Operation: When charging the handset on the Base Unit, the charge current is as follows; DC+  F1  R39  CHARGE+ (Base)  CHARGE+ (Handset)  Q101  F1  BATTERY+... Battery... BATTERY- ...

  • Page 8: Troubleshooting Guide

    3.2. Troubleshooting Guide 3.2.1. Check Power [Changed from original section "9.1.1. Check Power"] 3.2.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Check F1 is not opened, C34, C58, C40 is Is input of IC2 (pin3) about 5.5V? not shorted.

  • Page 9: Check Link

    3.2.2. Check Link [Changed from original section "9.1.3. Check Link"] 3.2.2.1. Base Unit Does Base Unit make link with Handset? Base Unit is OK. Check Handset. (Correct working unit) Is VDDB pin about 2.65V? Check around Power Supply Circuit. Is the RF clock (P1.0) oscillate: 10.368MHz in Check around X1 and adjust clock frequency.
  • Page 10 3.2.2.2. Handset Does Handset make link with Base Unit? Handset is OK. Check Base Unit. (Correct working unit) VDDBAT about 2.6 V? Check around Power Supply Circuit/Reset Circuit. Is the RF clock (P1.0) oscillate: 10.368MHz Check around X101 and adjust clock frequency. in Base Unit Test Mode? Refer to Check Point...(H).

  • Page 11: Bell Reception

    3.2.3. Bell Reception [Changed from original section "9.1.7. Bell Reception"] 3.2.3.1. Handset When bell signal coming, is there bell sound signal Check link in Check Link, and around Career module. at RA102 (P1.1) and RA102 (TXD)? When bell signal coming, is there bell sound signal Check around R114, D104, Q104, Q105.

  • Page 12: Troubleshooting By Symptom (Base Unit And Charger Unit)

    3.2.4. Troubleshooting by Symptom (Base Unit and Charger Unit) 3.2.4.1. Check Point (Base Unit) [Changed from original section "9.2.1. Check Point (Base Unit)"] Please follow the items below when BBIC or EEPROM is replaced. Note: After the measuring, suck up the solder of TP. *: PC Setting is required beforehand.
  • Page 13 Items Adjustment Procedure Check or Point Replace Parts (H)* Modulation Check Follow steps 1 to 3 of (G). IC3, C813, 4. Confirm that the B-Field Modulation is -350±50kHz/div, +350±50kHz/div using P101, SA1, data type Fig31. C811, C812 C807, C819, C826, D801, C808, C810,...
  • Page 14 Items Adjustment Procedure Check or Point Replace Parts (L)* RSSI Level Confirmation - Follow steps 1 to 3 of (G). IC3, C813, 4. Set DECT tester power to -70dBm. P101, SA1, 5. Execute the command “readrssi”. C811, C812 6. Confirm: 25 < returned value < 43 (hex) (0E ± A (hex)) C807, C819, C826,...

  • Page 15: Troubleshooting By Symptom (Handset)

    3.2.5. Troubleshooting by Symptom (Handset) 3.2.5.1. Check Point (Handset) [Changed from original section "9.3.1. Check Point (Handset)"] Please follow the items below when BBIC or EEPROM is replaced. Note: After the measuring, suck up the solder of TP. *: PC Setting is required beforehand. The connections of simulator equipment are as shown in Adjustment Standard (Handset) (P.19).
  • Page 16 Items Adjustment Procedure Check or Point Replace Parts (H)* BBIC Clock Adjustment P1.0 1. Apply 2.6V between BATTERY (+) and BATTERY (-) with DC power. C127, C122, (Important) 2. Execute the command “EnableClockOutput”. C123, X101, 3. Input Command “sfr", then you can confirm the current value. IC103 4.
  • Page 17 Items Adjustment Procedure Check or Point Replace Parts (N)* RSSI Level Confirmation - Follow steps 1 to 4 of (I). C814, C812, 4. Set DECT tester power to -70dBm. IC103, C813, 5. Execute the command “readrssi”. C807, C819, 6. Confirm: 9 < returned value < 13 (hex) (0E ± 5 (hex)) C826, D803, C817,...

  • Page 18: Measurements And Adjustments

    3.3. Measurements and Adjustments 3.3.1. Adjustment Standard (Base Unit) [Changed from original section "11.2. Adjustment Standard (Base Unit)"] When connecting the simulator equipment for checking, please refer to below. 3.3.1.1. Bottom View AF VOLT LOOP AF VOLT METER Simulator METER BELL Simulator Call - ID...

  • Page 19: Adjustment Standard (Handset)

    3.3.2. Adjustment Standard (Handset) [Changed from original section "11.5. Adjustment Standard (Handset)"] When connecting the simulator equipment for checking, please refer to below. 3.3.2.1. Component View AF Volt JOINT1 Meter ANT-Short ANT1 ANT-Short-GND C149 DECT Tester C152 C150 C151 CMD60 LOOP Simulator REV-...

  • Page 20: Miscellaneous

    3.4. Miscellaneous 3.4.1. Terminal Guide of the ICs, Transistors and Diodes [Changed from original section "12.3. Terminal Guide of the ICs, Transistors and Diodes"] 3.4.1.1. Base Unit Cathode Anode B1AAJC000010 B1ACGP000008 B1ABDM000001 PQVDRLZ20A PNWITG1611EH C0DBEYY00102 Cathode Anode B0EDER000009 B0DDCD000001 3.4.1.2. Handset Cathode Anode...

  • Page 21: Schematic Diagram

    3.5. Schematic Diagram 3.5.1. Schematic Diagram (Base Unit) [Changed from original section "13.2. Schematic Diagram (Base Unit)"] +0V DC ON-HOOK +0V DC ON-HOOK +9.8V DC OFF-HOOK +0.7V DC OFF-HOOK +0V DC ON-HOOK +60V DC ON-HOOK +9.8V DC OFF-HOOK +10V DC OFF-HOOK LINE_DC 100k 100p...

  • Page 22: Schematic Diagram (Handset)

    3.5.2. Schematic Diagram (Handset) [Changed from original section "13.3. Schematic Diagram (Handset)"] VDDBAT BATTERY+ VDDDCDC2 VDDDCDC1 VDDDCDC2 Q101 VBAT *R201 L103 CHARGE+ BATTERY- IC101 +3.3VDC Q102 CHARGE- R107 56 MIC+ LCD Back Light LED VDDDCDC1 MIC- ANT-Short-GND ANT-Short C121 C149 ANT1 Q103 +2.5VDC...

  • Page 23: Printed Circuit Board

    3.6. Printed Circuit Board 3.6.1. Circuit Board (Base Unit) [Changed from original section "14.1. Circuit Board (Base Unit_Main)"] 3.6.1.1. Component View C 4 3 C 4 1 S W 1 C 3 9 C808 RA43 C 4 2 D 8 0 1 C820 C826 C806...
  • Page 24 3.6.1.2. Bottom View for JIG +2.65V DC Charge - Charge + P1.0 CLK 10.368MHz Line DC 0V: ON-Hook +9.8V: Off-Hook KX-TG1711 CIRCUIT BOARD (Base Unit_Main (Bottom View))

  • Page 25: Circuit Board (Handset)

    3.6.2. Circuit Board (Handset) [Changed from original section "14.2. Circuit Board (Handset)"] 3.6.2.1. Component View JOINT1 ANT-Short ANT1 ANT-Short-GND C149 C152 C150 C151 TP12 TP13 REV- Reciver REV+ D104 R114 Q104 C113 TP2+ TP1- +3.3VDC C112 Q105 D103 D102 VDDDCDC2 C170 C823 R170...
  • Page 26 3.6.2.2. Bottom View PHONEBOOK MENU/OK PAUSE TALK REDIAL CLEAR FLASH KX-TGA171 CIRCUIT BOARD (Handset_Main (Bottom View))

  • Page 27: Replacement Parts List

    3.7. Replacement Parts List Safety Ref. Part No. Part Name & Description Remarks R104 PQ4R10XJ152 1.5k 3.7.1. Base Unit R200 ERJ2GEJ331 R201 ERJ2GEJ331 3.7.1.1. Main P.C.Board Parts (CAPACITORS) [Changed from original section “15.7.1.2. Main P.C.Board ECEA1HKA100 ECJ0EB0J224K 0.22 Parts”] ECUV1A105KBV 1 Note: ECUE1C104KBQ 0.1 (*1) When replacing IC1, IC3, make the adjustment using...

  • Page 28: Handset

    3.7.2. Handset Safety Ref. Part No. Part Name & Description Remarks 3.7.2.1. Main P.C.Board Parts C124 ECUE1A104KBQ 0.1 C126 ECUE1A104KBQ 0.1 [Changed from original section "15.7.2.2. Main P.C.Board C127 ECUE1A104KBQ 0.1 Parts"] C128 ECUE1A104KBQ 0.1 Note: C129 ECUE1A104KBQ 0.1 (*1) Reconfirm the model No. written on the handset’s name C131 EEE0JA221WP plate when replacing PCB100.

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