Panasonic KX-TG1711LAB Service Manual
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Panasonic KX-TG1711LAB Service Manual

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Caller ID Compatible
KX-TGA171LAB
(Handset)
Configuration for each model
Model No
Base Unit
KX-TG1711
1 (TG1711)
KX-TG1711LAB
(Base Unit)
Handset
Charger Unit
1 (TGA171)
Telephone Equipment
KX-TG1711LAB
Model No.
KX-TGA171LAB
Digital Cordless Phone
B: Piano Black Version
(for Latin America)
© Panasonic System Networks Co., Ltd. 2011
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KM41107457CE

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  • Page 1 (for Latin America) KX-TGA171LAB KX-TG1711LAB (Base Unit) (Handset) Configuration for each model Model No Base Unit Handset Charger Unit KX-TG1711 1 (TG1711) 1 (TGA171) © Panasonic System Networks Co., Ltd. 2011 Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TG1711LAB/KX-TGA171LAB 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.

  • Page 3: Table Of Contents

    KX-TG1711LAB/KX-TGA171LAB TABLE OF CONTENTS PAGE 1 Safety Precautions----------------------------------------------- 4 1.1. For Service Technicians --------------------------------- 4 2 Warning -------------------------------------------------------------- 4 2.1. Battery Caution--------------------------------------------- 4 2.2. About Lead Free Solder (PbF: Pb free)-------------- 4 2.3. Discarding of P.C. Board--------------------------------- 5 3 Specifications ----------------------------------------------------- 6 4 Technical Descriptions ----------------------------------------- 7 4.1.

  • Page 4: Safety Precautions

    KX-TG1711LAB/KX-TGA171LAB 1 Safety Precautions 1.1. For Service Technicians • Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires, injury or electric shock, which can be caused by improper repair work.

  • Page 5: Discarding Of P.c. Board

    KX-TG1711LAB/KX-TGA171LAB 2.2.1. Suggested PbF Solder There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper (Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu) or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the manufacturer’s specific instructions for the melting points of their products and any precautions for using their product with other materials.

  • Page 6: Specifications

    KX-TG1711LAB/KX-TGA171LAB 3 Specifications ■ ■ Standard: Voice coding: DECT (Digital Enhanced Cordless ADPCM 32 kbit/s ■ Telecommunications), Power source (AC Adaptor): ■ 120 V AC, 60 Hz Number of channels: Base unit: PNLV226Z 120 Duplex Channels ■ Power consumption ■...

  • Page 7: Technical Descriptions

    KX-TG1711LAB/KX-TGA171LAB 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TG1711LAB/KX-TGA171LAB 4.2. Circuit Operation (Base Unit) 4.2.1. Outline Base Unit consists of the following ICs as shown in Block Diagram (Base Unit) (P.7). • DECT BBIC (Base Band IC): IC3 (career module) - Handling all the audio, signal and data processing needed in a DECT base unit...
  • Page 9 KX-TG1711LAB/KX-TGA171LAB 4.2.3. Telephone Line Interface <Function> • Bell signal detection • Clip signal detection • ON/OFF hook circuit • Audio circuits Bell & Clip (: Calling Line Identification Presentation: Caller ID) signal detection: In the standby mode, Q3 is open to cut the DC loop current and decrease the ring load.

  • Page 10: Block Diagram (Handset)

    KX-TG1711LAB/KX-TGA171LAB 4.3. Block Diagram (Handset)

  • Page 11: Circuit Operation (Handset)

    KX-TG1711LAB/KX-TGA171LAB 4.4. Circuit Operation (Handset) 4.4.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (P.10). • DECT BBIC (Base Band IC): IC103 - All data signals (forming/analyzing ACK or CMD signal) - All interfaces (ex: Key, Detector Circuit, Charge, DC/DC Converter, EEPROM, LCD)

  • Page 12: Signal Route

    KX-TG1711LAB/KX-TGA171LAB 4.6. Signal Route SIGNAL ROUTE SIGNAL ROUTE DTMF TONE (BASE UNIT) TEL OUT IC3 - H01P, H01N - R2 - C5 - Q1 - Q3 - D2 (to Tel Line) DTMF TONE (BASE UNIT) D2 - Q3 - R12 - C15...

  • Page 13: Location Of Controls And Components

    KX-TG1711LAB/KX-TGA171LAB 5 Location of Controls and Components Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server. 6 Installation Instructions Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server.

  • Page 14: Service Mode

    KX-TG1711LAB/KX-TGA171LAB 8 Service Mode 8.1. Engineering Mode 8.1.1. Base Unit Important: Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit. {MENU/OK} {OFF} (off) CLEAR (Clear) Navigator key {^} {V} {<} {>}...
  • Page 15 KX-TG1711LAB/KX-TGA171LAB Frequency Used Items (Base Unit) Note: *: When you enter the address, please refer to the table below. Desired Number (hex) Input Keys Desired Number (hex) Input Keys Press and keep 1 Press and keep 2 Press and keep 3...
  • Page 16 KX-TG1711LAB/KX-TGA171LAB 8.1.2. Handset Important: Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit. {MENU/OK} {OFF} (off) CLEAR (Clear) Navigator key {^} {V} {<} {>} Dial keypad H/S key operation H/S LCD {MENU/OK} 1).
  • Page 17 KX-TG1711LAB/KX-TGA171LAB Frequency Used Items (Handset) Note: *: When you enter the address, please refer to the table in Note: (P.14) of Engineering Mode. ex.) Items (*4) Address Default Data New Data Remarks Sending level 01 31 07 (36 dB) 06 (30 dB)

  • Page 18: Troubleshooting Guide

    KX-TG1711LAB/KX-TGA171LAB 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Flow Chart Not Work Power ON Base Unit Check Power No Bell Bell Bell Reception Link Not Link Not Charge Battery Charge Check Battery Charge Check Link No Voice Handset Voice Transmission Check Handset Transmission...
  • Page 19 KX-TG1711LAB/KX-TGA171LAB 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.) Check F1 is not opened, C34, C35, C58, C60 is Is input of IC2 (pin3) about 5.5V? not shorted. Check AC Adaptor.
  • Page 20 KX-TG1711LAB/KX-TGA171LAB 9.1.2. Check Battery Charge 9.1.2.1. Base Unit Plug in the AC Power source. Charge Handset on Base Unit. Check Power Supply Circuit of Base Unit. Is the voltage of two charge contacts about 3.0 V and 0V from GND level? Check Handset.
  • Page 21 KX-TG1711LAB/KX-TGA171LAB 9.1.3. Check Link 9.1.3.1. Base Unit Does Base Unit make link with Handset? Base Unit is OK. Check Handset. (Correct working unit) Is VDD pin about 2.65V? Check around Power Supply Circuit. Check around X1 and adjust clock frequency.
  • Page 22 KX-TG1711LAB/KX-TGA171LAB 9.1.3.2. 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.
  • Page 23 KX-TG1711LAB/KX-TGA171LAB 9.1.4. Check Handset Transmission Check MIC of Handset. Check CDL TX (HANDSET) in Signal Route. Cross Reference: Signal Route (P.12) 9.1.5. Check Handset Reception Check Handset Speaker in How to Check the Handset Speaker or Receiver. Check CDL RX (HANDSET) in Signal Route.

  • Page 24: Troubleshooting By Symptom (Base Unit)

    KX-TG1711LAB/KX-TGA171LAB 9.2. Troubleshooting by Symptom (Base Unit) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Remedy (*2) Symptom You have DECT Tester. You don't have DECT Tester.
  • Page 25 KX-TG1711LAB/KX-TGA171LAB Items Adjustment Procedure Check or Point Replace Parts (F)* DTMF Generator Check - 1. Connect J1 (Telephone Socket) to DTMF tester. IC3, R2, C4, 2. Execute the command “hookoff” and “dtmf_up”. R7, R9, 3. Confirm that the high frequency (1477.06Hz) group is -6.0 ± 2dBm.
  • Page 26 KX-TG1711LAB/KX-TGA171LAB Items Adjustment Procedure Check or Point Replace Parts (N)* Audio Check 1. Link with Handset which is connected to Line Simulator. 2. Set line voltage to 48V and line current to 50mA. 3. Input -45dBm(600Ω)/1kHz to MIC of Handset. Measure the Level at Line I/F and distortion level.

  • Page 27: Troubleshooting By Symptom (Handset)

    KX-TG1711LAB/KX-TGA171LAB 9.3. Troubleshooting by Symptom (Handset) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Remedy (*2) Symptom You have DECT Tester. You don't have DECT Tester.
  • Page 28 KX-TG1711LAB/KX-TGA171LAB Items Adjustment Procedure Check or Point Replace Parts (F)* Battery Monitor Check & 1. Apply 2.3V ± 0.005V between BATTERY (+) and BATTERY (-) with DC power. IC103, D107, Adjustment (Important) 2. Execute the command “deactmac” to stabilize the value.
  • Page 29 KX-TG1711LAB/KX-TGA171LAB Items Adjustment Procedure Check or Point Replace Parts (O) Audio Check 1. Link with BASE which is connected to Line Simulator. Confirmation 2. Set line voltage to 48V and line current to 50mA. 3. Input -45dBm(600Ω)/1kHz to MIC of Handset. Measure the Level at Line I/F and distortion level.

  • Page 30: Disassembly And Assembly Instructions

    KX-TG1711LAB/KX-TGA171LAB 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit 2 screws Remove the 2 screws to remove the cabinet cover. Cabinet cover Insert a plastic card. (Ex. Used SIM card etc.) between the cabinet body and the cabinet cover, then pull it along the gap to open the cabinet.
  • Page 31 KX-TG1711LAB/KX-TGA171LAB 10.1.2. Handset 2 screws Remove the 2 screws. Insert a plastic card. (Ex. Used SIM card etc.) Cabinet body between the cabinet body and the cabinet cover, then pull it along the gap to open the cabinet. Likewise, open the other side of the cabinet.

  • Page 32: How To Replace The Handset Lcd

    KX-TG1711LAB/KX-TGA171LAB 10.2. How to Replace the Handset LCD P. C. board Vertical Interval Tolerance Peel off the FFC (Flexible Flat Cable) from 0.2 mm the LCD, in the direction of the arrow. Take care to ensure that the foil on the P.C. board is not damaged.

  • Page 33: Measurements And Adjustments

    KX-TG1711LAB/KX-TGA171LAB 11 Measurements and Adjustments 11.1. The Setting Method of JIG (Base Unit) 11.1.1. Preparation 11.1.1.1. Equipment Required • DECT tester: Rohde & Schwarz, CMD 60 is recommended. • Frequency counter: it must be precise to be able to measure 1Hz (precision; ±4ppm).
  • Page 34 KX-TG1711LAB/KX-TGA171LAB 11.1.2.2. Batch file Setting Insert the Batch file CD-ROM into CD-ROM drive and copy PNZZTG***** folder to your PC (example: D drive). <Example for Windows> Open a window of MS-DOS mode. On your computer, click [Start], select Programs (All Programs for Windows XP/Windows Server 2003), then click MS-DOS Prompt.

  • Page 35: Adjustment Standard (Base Unit)

    KX-TG1711LAB/KX-TGA171LAB 11.2. Adjustment Standard (Base Unit) When connecting the simulator equipment for checking, please refer to below. 11.2.1. Bottom View AF VOLT LOOP AF VOLT METER Simulator METER BELL Simulator Call - ID Dummy Handset Simulator DTMF Tester DECT Tester...

  • Page 36: The Setting Method Of Jig (Handset)

    KX-TG1711LAB/KX-TGA171LAB 11.3. The Setting Method of JIG (Handset) 11.3.1. Preparation 11.3.1.1. Equipment Required • DECT tester: Rohde & Schwarz, CMD 60 is recommended. • Frequency counter: it must be precise to be able to measure 1Hz (precision; ± 4ppm). Hewlett Packard, 53131A is recommended.
  • Page 37 KX-TG1711LAB/KX-TGA171LAB 11.3.2.2. Batch file Setting Insert the Batch file CD-ROM into CD-ROM drive and copy PNZZTG***** folder to your PC (example: D drive). <Example for Windows> Open a window of MS-DOS mode. On your computer, click [Start], select Programs (All Programs for Windows XP/Windows Server 2003), then click MS-DOS Prompt.

  • Page 38: Adjustment Standard (Handset)

    KX-TG1711LAB/KX-TGA171LAB 11.4. Adjustment Standard (Handset) When connecting the simulator equipment for checking, please refer to below. 11.4.1. Component View AF VOLT LOOP AF VOLT METER Simulator METER BELL Simulator Call - ID Dummy Handset Simulator DTMF Tester DECT Tester CTS60 GRY PUR P1.0...

  • Page 39: Things To Do After Replacing

    KX-TG1711LAB/KX-TGA171LAB 11.5. Things to Do after Replacing IC Cautions: Since this page is common to each country, it may not apply to some models in your country. The contents below are the minimum adjustments required for operation. 11.5.1. Base Unit Before doing the following adjustment, be sure to do PC Setting (P.33) in The Setting Method of JIG (Base Unit).

  • Page 40: Rf Specification

    KX-TG1711LAB/KX-TGA171LAB 11.6. RF Specification 11.6.1. Base Unit Item Value Refer to -. * TX Power More than 14 dBm ~ 26 dBm Check Point (Base Unit) (G) Modulation 340 kHz/div ~ 402 kHz/div Check Point (Base Unit) (H) Frequency Offset...

  • Page 41: How To Check The Handset Speaker Or Receiver

    KX-TG1711LAB/KX-TGA171LAB 11.7. How to Check the Handset Speaker or Receiver 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. 2. Put the probes at the speaker terminals as shown below. Is the value between (+) terminal and (–) terminal about 150Ω? Replace the new speaker.

  • Page 42: Miscellaneous

    KX-TG1711LAB/KX-TGA171LAB 12 Miscellaneous 12.1. How to Replace the Flat Package IC Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount), a soldering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins.
  • Page 43 KX-TG1711LAB/KX-TGA171LAB 12.1.3. How to Install the IC 1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins. *Check the accuracy of the IC setting with the corresponding soldering foil. 2. Apply flux to all pins of the FLAT PACKAGE IC.

  • Page 44: How To Replace The Shield Case

    KX-TG1711LAB/KX-TGA171LAB 12.2. How to Replace the Shield Case 12.2.1. Preparation • PbF (: Pb free) Solder • Soldering Iron Tip Temperature of 700°F ± 20°F (370°C ± 10°C) Note: We recommend a 30 to 40 Watt soldering iron. An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil.
  • Page 45 KX-TG1711LAB/KX-TGA171LAB 12.2.4. How to Install the Shield Case Note: • If you don’t have special tools (ex. Hot air disordering tool), conduct the following operations. • Shield case’s No. : PNMC1040Z 1. Put the shield case. 2. Solder the surroundings.

  • Page 46: Terminal Guide Of The Ics, Transistors, Diodes And Electrolytic Capacitors

    KX-TG1711LAB/KX-TGA171LAB 12.3. Terminal Guide of the ICs, Transistors, Diodes and Electrolytic Capacitors 12.3.1. Base Unit (Reverse View) B1AAJC000010 B1ABDM000001 B1ACGP000008 B1ABCE000009 PNLP2245Z PNWITG1611EH C0DBEYY00102 Cathode Cathode Anode Anode PQVDRLZ20A B0EDER000009 B0DDCD000001 12.3.2. Handset (Reverse View) B1ADGE000012 PSVTDTC143X PNWIGA161EXR PNLP2247Z B1ABGE000011...

  • Page 47: Schematic Diagram

    KX-TG1711LAB/KX-TGA171LAB 13 Schematic Diagram 13.1. For Schematic Diagram 13.1.1. Base Unit (Schematic Diagram (Base Unit)) Notes: 1. DC voltage measurements are taken with voltmeter from the negative voltage line. 2. This schematic diagram may be modified at any time with the development of new technology.

  • Page 48: Schematic Diagram (Base Unit)

    KX-TG1711LAB/KX-TGA171LAB 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 *R27 *R11 100k 3.9k *R24 330k 820k 680p...

  • Page 49: Schematic Diagram (Handset)

    KX-TG1711LAB/KX-TGA171LAB 13.3. Schematic Diagram (Handset) L104 BATTERY+ 5.6n VDDDCDC2 VDDDCDC1 VDDDCDC2 Q101 VDDBAT *R201 VBAT L103 CHARGE+ BATTERY- IC101 +3.3VDC Q102 CHARGE- R107 MIC+ LCD Back Light LED MIC- VDDDCDC1 +2.5VDC ANT-Short-GND ANT-Short C121 C149 ANT1 IC103 Q103 68 GND11...
  • Page 50 KX-TG1711LAB/KX-TGA171LAB Memo...

  • Page 51: Printed Circuit Board

    KX-TG1711LAB/KX-TGA171LAB 14 Printed Circuit Board 14.1. Circuit Board (Base Unit) 14.1.1. Component View +2.65V DC ON-Hook: +60V DC OFF-Hook: +10V DC KX-TG1711 CIRCUIT BOARD (Base Unit_Main (Component View))
  • Page 52 KX-TG1711LAB/KX-TGA171LAB 14.1.2. 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 53: Circuit Board (Handset)

    KX-TG1711LAB/KX-TGA171LAB 14.2. Circuit Board (Handset) 14.2.1. Component View JOINT1 ANT-Short cam10 ANT1 ANT-Short-GND cam9 cam4 cam11 C149 Receiver C150 C152 C151 TP13 REV- TP12 BLUE REV+ D104 /GRN C114 R114 Q104 C113 TP2+ R117 TP1- C112 Q105 D103 R116 D102...
  • Page 54 KX-TG1711LAB/KX-TGA171LAB 14.2.2. Bottom View PHONEBOOK MENU/OK PAUSE TALK REDIAL FLASH CLEAR KX-TGA171 CIRCUIT BOARD (Handset_Main (Bottom View))

  • Page 55: Exploded View And Replacement Parts List

    KX-TG1711LAB/KX-TGA171LAB 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit) PCB1 Ref.No. Figure 2.6 x 8mm...

  • Page 56: Cabinet And Electrical Parts (Handset)

    (*1) This cable is fixed by attaching. Refer to How to Replace the Handset LCD (P.32). (*2) The rechargeable Ni-MH battery HHR-4MRT is available through sales route of Panasonic. (*3) Attach the spacer (No. 112) to the exact location described above.

  • Page 57: Accessories

    KX-TG1711LAB/KX-TGA171LAB 15.3. Accessories P1 (*1) Note: (*1) The illustration differs from the actual gift box.

  • Page 58: Replacement Part List

    KX-TG1711LAB/KX-TGA171LAB 15.4. Replacement Part List 15.4.1.2. Main P.C.Board Parts Note: 1. RTL (Retention Time Limited) (*1) When replacing IC1, IC3, make the adjustment using Note: PNZZTG1711LA. Refer to Base Unit (P.39) of Things to Do The “RTL” marking indicates that its Retention Time is after Replacing IC.
  • Page 59 KX-TG1711LAB/KX-TGA171LAB Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks ECUV1C474KBV 0.47 PNKK1053Z1 LID, BATTERY ABS-HB ECUE1H100DCQ 10p 15.4.2.2. Main P.C.Board Parts ECUE1A104KBQ 0.1 Note: ECUE1C153KBQ 0.015 (*1) Reconfirm the model No. written on the handset’s name ECUV1C104KBV 0.1...
  • Page 60 KX-TG1711LAB/KX-TGA171LAB Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C117 ECUE1H100DCQ 10p XTB2+8GFJ TAPPING SCREW C120 ECUE1H100DCQ 10p 15.4.5. Fixtures and Tools C121 ECUE1H100DCQ 10p Note: C122 ECUE1H010CCQ 1p (*1) See The Setting Method of JIG (Base Unit) (P.33),...

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