KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. 1.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 3 Specifications Note: • Design and specifications are subject to change without notice. Note for Service: • Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition. • Analog telephone connection: Telephone Line...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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): IC7 - Handling all the audio, signal and data processing needed in a DECT base unit - Controlling the DECT specific physical layer and radio section (Burst Module Controller section) - ADPCM code filter for speech encoding and speech decoding (DSP section) - Echo-cancellation and Echo-suppression (DSP section)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 4.2.2. Power Supply Circuit The power is supplied to the DECT BBIC, RF Module, EEPROM and Charge Contact from AC Adaptor (+6.5 V) as shown in Fig.101. The power supply is as follows; • DECT BBIC (IC7): DC Jack (+6.5 V) → IC2 → IC7 DC Jack (+6.5 V) →...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 4.2.3. Telephone Line Interface <Function> • Bell signal detection • Clip signal detection • ON/OFF hook circuit 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. When ring voltage appears at the L1T (A) and L1R (B) leads (when the telephone rings), the AC ring voltage is transferred as follows;...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. 7 Operating Instructions Refer to the Operating Instructions.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 8 Service Mode 8.1. Engineering Mode 8.1.1. Base Unit...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Frequently Used Items (Base Unit) ex.) Items Address Default Data New Data Remarks C-ID (FSK) sensitivity 04 8B 01 (6 dB up) 02 (12 dB up) When hex changes from “00” to “01” or “02”, gain increases by 6 dB or 12 dB. Frequency 00 08/00 07 02/70...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Frequently Used Items (Handset) ex.) Items Address Default Data New Data Possible Adjusted Possible Adjusted Remarks Value MAX (hex) Value MIN (hex) Sending level 03 17 Adjusted value Given value (*2) Receiving level 03 18 Adjusted value Given value (*3) Battery Low 00 04...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 8.2. Copying Phonebook Items when Repairing You can copy the handset phonebook to another (compatible Panasonic) handset. This will help to save the original phonebook data which the customer has registered. Available models: KX-TG2511/KX-TG2512 Refer to the following procedures.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Note: • BS=Base Unit, HS=Handset • If the max number of handsets are already registered to the base unit, a new handset cannot be registered. • To register the handset, refer to Registering a Handset to a Base Unit in the Operating Instructions. •...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 8.3. How to Clear User Setting Units are reset to the Factory settings by this operation (Erase stored Phone numbers, Caller list and etc.) Note: • Some menus are not reset. Refer to Operating Instructions (P.15). • The reset menus differ depending on the following operations. •...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Flow Chart Cross Reference: Check Power (P.24) Bell Reception (P.34) Check Battery Charge (P.25) Check Link (P.26) Check the RF part (P.30) Check Handset Transmission (P.33) Check Handset Reception (P.33) Signal Route (P.14) Check Caller ID (P.33)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.1. Check Power 9.1.1.1. Base Unit Is the AC Adaptor inserted into AC outlet? (*1) Cross Reference: Note: Power Supply Circuit (P.9) (*1) Refer to Specifications (P.6) for part number and supply voltage of AC Adaptor. 9.1.1.2. Handset Cross Reference: Power Supply Circuit/Reset Circuit (P.12)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.2. Check Battery Charge 9.1.2.1. Base Unit Cross Reference: Charge Circuit (P.12) 9.1.2.2. Handset Cross Reference: Check Power (P.24) Charge Circuit (P.12) 9.1.2.3. Charger Unit Cross Reference: Charge Circuit (P.12)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.3. Check Link 9.1.3.1. Base Unit Note: (*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.35) Cross Reference: Check Point (Base Unit) (P.35) Power Supply Circuit (P.9)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Cross Reference: Check Point (Base Unit) (P.35)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.3.2. Handset Note: (*1) Refer to Troubleshooting by Symptom (Handset) (P.39) Cross Reference: Check Point (Handset) (P.39) Power Supply Circuit/Reset Circuit (P.12)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Cross Reference: Check Point (Handset) (P.39)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.4. Check the RF part 9.1.4.1. Finding out the Defective part After All the Checkings or Repairing 1. Re-register the checked Handset to the checked Base Unit, and Regular HS to Regular BU. Note: If you need to register a handset, refer to Registering a Handset to a Base Unit in the Operating Instructions.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.4.2. RF Check Flowchart Each item (1 ~ 3) of RF Check Flowchart corresponds to Check Table for RF part (P.32). Please refer to the each item. Note: (*1) Base unit - refer to (G) of Check Point (Base Unit) (P.35) Handset - refer to (H) of Check Point (Handset) (P.39)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.4.3. Check Table for RF part Item BU (Base Unit) Check HS (Handset) Check Link Confirmation Normal 1. Register Regular HS to BU (to be 1. Register HS (to be checked) to Regular checked). HS, BU Mode: [Normal mode] 2.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.5. Check Handset Transmission Cross Reference: Signal Route (P.14) 9.1.6. Check Handset Reception Cross Reference: How to Check the Handset Speaker or Receiver (P.57). Signal Route (P.14) 9.1.7. Check Caller ID Cross Reference: Signal Route (P.14)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.1.8. Bell Reception 9.1.8.1. Base Unit 9.1.8.2. Handset Cross Reference: Telephone Line Interface (P.10) Check Link (P.26) How to Check the Handset Speaker or Receiver (P.57)
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.2. Troubleshooting by Symptom (Base Unit and Charger Unit) If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester (*1) or not. Note: (*1) A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic level in detail.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Items Check Procedure Check or Point Replace Parts 1. Connect Telephone Socket to Tel-simulator which is connected with 600 Ω. (H)* Hookswitch Check with L1, L2, Q3, R14, DC Characteristics 2. Set line voltage to 48 V and line current to 40mA at off-hook condition of nor- R15, Q4, R16, mal telephone.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Items Check Procedure Check or Point Replace Parts (M)* Frequency Drift Confir- Follow steps 1 to 6 of (J). IC7, mation ANTI_TP 7.Confirm that the frequency drift is < ± 35 kHz/ms. C802~C806, C808~C814, C820, C819, C822, C823, C825, C827, C826, C834, C851, C853, C859~C861,...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Items Check Procedure Check or Point Replace Parts Audio Check 1. Link with Handset which is connected to Line Simulator. IC7, SA1, L1, 2. Set line voltage to 48V and line current to 50mA. L2, D3, Q3, Q4, 3. Input -45dBm(600.)/1kHz to MIC of Handset. Measure the Level at Line I/F R14, R15, R16, and distortion level.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. Note: (*1) A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic level in detail.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Items Check Procedure Check or Point Replace Parts (F)* Battery Monitor Check 1. Apply 2.25 V between BATT+ and BATT-. IC1, F1, C1, 2. Execute the command sendchar PAD sendchar LED 0 sendchar CRX 0 1 sendchar AD1 It assumes that the return value is XX. a) 6c 71: No need to adjust b) XX: 6A ~ 6B: Need to adjust...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Items Check Procedure Check or Point Replace Parts (K)* Frequency Offset Confir- Follow steps 1 to 3 of (I). IC1, mation 4.Confirm that the frequency Offset is < ± 50 kHz. C802~C806, C808~C814, C819~C820, C822, C825~C827, C834, C860~C864, L801~L804, DA801, R801~R808 (L)* Frequency Drift Confir-...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 9.3.2. Troubleshooting for Speakerphone When the customer’s telephone line corresponds to the following conditions, and the transmission signal of SP-Phone is interrupted, performing the next set up to a cordless handset will improve it to some extent. Conditions 1. When customer’s line has less line loss. ex.) The customer is using optical fiber, ISDN terminal adaptor, or PBX.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 10.2. How to Replace the Handset LCD Note: The illustrations are simplified in this page. They may differ from the actual product.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11 Measurements and Adjustments This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in Troubleshooting Guide (P.23) 11.1. Equipment Required • Digital multi-meter (DMM): it must be able to measure voltage and current. •...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.2.2. How to install Batch file into P.C. Note: • “*****” varies depending on the country or models. 11.2.3. Commands See the table below for frequently used commands. Command name Function Example rdeeprom Read the data of EEPROM Type “rdeeprom 00 00 FF”, and the data from address “00 00”...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.3. Adjustment Standard (Base Unit) When connecting the simulator equipment for checking, please refer to below. 11.3.1. Bottom View VDD4 CP+3.0V VDD5 CP+2.5V VDD3 +3.0V VDD2 +2.4V VDD1 +1.8V CHARGE- CHARGE+ Note: (A) - (S) is referred to Check Point (Base Unit) (P.35)
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.4. Adjustment Standard (Charger Unit) When connecting the simulator equipment for checking, please refer to below. 11.4.1. Bottom View Digital Volt Meter /2 W DC POWER DC 6.5 V Note: (A) is referred to Check Point (Charger Unit) (P.38)
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.5. The Setting Method of JIG (Handset) This section explains the PC setting to use command required in Check Point (Handset)(P.39). <Preparation> (PQZZ1CD505E), change following values • Serial JIG cable: PQZZ1CD300E* resistance. Then you can use it as a JIG Cable for both •...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.5.2. How to install Batch file into P.C. Note: • “*****” varies depending on the country or models. 11.5.3. Commands See the table below for frequently used commands. Command name Function Example rdeeprom Read the data of EEPROM Type “rdeeprom 00 00 FF”, and the data from address “00 00”...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.7. Things to Do after Replacing IC or X'tal If repairing or replacing BBIC (FLASH type), EEPROM and X'tal, it is necessary to download the required data such as Programming data or adjustment data, etc in memory. The set doesn't operate if it is not executed. 11.7.1.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.7.1.2. Handset First, operate the PC setting according to The Setting Method of JIG (Handset)(P.51). Then download the appropriate data according to the following procedures. Items How to download/Required adjustment BBIC (FLASH type) Programming data is stored in memory. 1) Make sure to connect the JIG cable, then disconnect the DC (IC1) Power in order to download the data.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 11.9. 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. 11.10. Frequency Table (MHz) BASE UNIT HANDSET Channel No Transmit Frequency...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. 12.1.1.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. 3.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. : PNMC1013Z 1. Put the shield case. 2. Solder the surroundings.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 12.3. Terminal Guide of the ICs, Transistors and Diodes and Electrolytic Capacitors 12.3.1. Base Unit 12.3.2. Handset...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 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. The schematic diagrams may be modified at any time with the development of new technology. 13.1.2.
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 13.2. Schematic Diagram (Base Unit) ANT1_TP ANT2_TP ANT_2 ANT_1 C851 C853 W 0.15mm W 0.15mm L 22+/-4mm L 22+/-4mm 1st or 4th layer 1st or 4th layer DA802 W 0.15mm L 22+/-4mm 1st or 4th layer W 0.15mm L 20+/-2mm Beep C859 3rd layer...
KX-TG2511CA/KX-TG2512CA/KX-TGA250RU 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit) 7(*1) 7(*1) PCB1 Ref.No. Figure 2.6 x 8 mm Note: (*1) The SPACERs (No.7) are cut from the excess parts of SPACER (No.108) of Cabinet and Electrical Parts (Handset) (P.75).
(*1) This cable is fixed by welding. Refer to How to Replace the Handset LCD (P.46). (*2) The rechargeable Ni-MH battery P03P or HHR-4NGE is available through sales route of Panasonic. (*3) Attach the spacer (No. 119) to the exact location described above.
Safety Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PNBC1303Y4 BUTTON, LOCATOR (for ABS-HB KX-TG2511CAM) (for KX- Note: TG2512CAM) The “RTL” marking indicates that its Retention Time is PNBC1303Y3 BUTTON, LOCATOR (for ABS-HB Limited. KX-TG2511CAS)
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PQ4R10XJ105 ECUE1A273KBQ 0.027 PQ4R10XJ184 180k ECUV1H122KBV 0.0012 PQ4R10XJ105 PQCUV1A105KB 1 ERJ3GEYJ104 100k ECJ0EB1A473K 0.047 ERJ3GEYJ104 100k F2A1H100B132 10 ERJ2GEJ103 PQCUV1H333JC 0.033 ERJ2GEJ681 F2A1C1010119 100 ERJ3GEYJ104...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PNMC1013Z CASE, MAGNETIC SHIELD(*2) PCB100 PNWPGA250RUR MAIN P.C.BOARD ASS'Y H0J103500027 CRYSTAL OSCILLATOR (*1) (RTL) (*1) K5H302Y00003 FUSE (ICs) K0H1BA000259 SPECIAL, SWITCH C1CB00002906 IC (BBIC (FLASH)) (*2) 15.5.2.
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R801 ERJ2GEJ681 E101 L5DYBYY00017 LIQUID CRYSTAL DISPLAY (*4) R802 ERJ2GEJ101 E102 PNHR1247Z TRANSPARENT PLATE, LCD PMMA-HB R805 ERJ2GEJ470 E103 PNHR1246Z GUIDE, LCD ABS-HB R806 ERJ2GEJ221...
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KX-TG2511CA/KX-TG2512CA/KX-TGA250RU Part No. Part Name & Description Remarks Safety Ref. PQZZ1CD300E JIG CABLE (*1) PNZZTG2511CA BATCH FILE CD-ROM (*1) PQZZ430PIR SOLDERING IRON (*2) PQZZ430PRB RUBBER SOLDERING IRON (*2) KXTG2511CAM KXTG2511CAS KXTG2511CAT KXTG2512CAM KXTG2512CAT KXTGA250RUM KXTGA250RUS KXTGA250RUT...