Panasonic KX-TG8041RUM Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Answering Machine
  5. KX-TG8041RUM
  6. Service manual

Panasonic KX-TG8041RUM Service Manual

Digital cordless answering system
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Telephone Equipment
KX-TG8041RUM
Model No.
KX-TG8041RUT
KX-TGA800RUT
KX-TGA800RUC
KX-TGA800RUS
Digital Cordless Answering System
M: Metallic Grey Version
T: Titanium Black Version
C: Blue Version
S: Silver Version
(for Russia)
© Panasonic Communications Co., Ltd. 2009.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KM40904905CE

Advertisement

Table of Contents
loading

Related Manuals for Panasonic KX-TG8041RUM

Summary of Contents for Panasonic KX-TG8041RUM

  • Page 1 Model No. KX-TG8041RUT KX-TGA800RUT KX-TGA800RUC KX-TGA800RUS Digital Cordless Answering System M: Metallic Grey Version T: Titanium Black Version C: Blue Version S: Silver Version (for Russia) © Panasonic Communications Co., Ltd. 2009. Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TG8041RU/KX-TGA800RU...

  • Page 3: Table Of Contents

    KX-TG8041RU/KX-TGA800RU TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 14.4. Circuit Board (Charger Unit)--------------------------- 79 1.1. For Service Technicians --------------------------------- 4 15 Exploded View and Replacement Parts List ----------- 80 2 Warning -------------------------------------------------------------- 4 15.1. Cabinet and Electrical Parts (Base Unit) ----------- 80 2.1.

  • Page 4: Safety Precautions

    KX-TG8041RU/KX-TGA800RU 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 pre- vent fires, injury or electric shock, which can be caused by improper repair work. 1.

  • Page 5: Discarding Of P.c. Board

    KX-TG8041RU/KX-TGA800RU 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-TG8041RU/KX-TGA800RU 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...

  • Page 7: Technical Descriptions

    KX-TG8041RU/KX-TGA800RU 4 Technical Descriptions 4.1. Block Diagram (Base Unit)

  • Page 8: Circuit Operation (Base Unit)

    KX-TG8041RU/KX-TGA800RU 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)
  • Page 9 KX-TG8041RU/KX-TGA800RU 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) → IC1 → IC7 DC Jack (+6.5 V) →...
  • Page 10 KX-TG8041RU/KX-TGA800RU 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;...

  • Page 11: Block Diagram (Handset)

    KX-TG8041RU/KX-TGA800RU 4.3. Block Diagram (Handset)

  • Page 12: Circuit Operation (Handset)

    KX-TG8041RU/KX-TGA800RU 4.4. Circuit Operation (Handset) 4.4.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (P.11). • DECT BBIC (Base Band IC): IC1 - All data signals (forming/analyzing ACK or CMD signal) - All interfaces (ex: Key, Detector Circuit, Charge, DC/DC Converter, EEPROM, LCD, RF Power Amp.) - PLL Oscillator - Detector - Compress/Expander...

  • Page 13: Circuit Operation (Charger Unit)

    KX-TG8041RU/KX-TGA800RU 4.5. Circuit Operation (Charger Unit) 4.5.1. Power Supply Circuit The power supply is as shown.

  • Page 14: Signal Route

    KX-TG8041RU/KX-TGA800RU 4.6. Signal Route...
  • Page 15 KX-TG8041RU/KX-TGA800RU...

  • Page 16: Location Of Controls And Components

    KX-TG8041RU/KX-TGA800RU 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.

  • Page 17: Service Mode

    KX-TG8041RU/KX-TGA800RU 8 Service Mode 8.1. Engineering Mode 8.1.1. Base Unit...
  • Page 18 KX-TG8041RU/KX-TGA800RU Frequently Used Items (Base Unit) ex.) Items Address Default Data New Data Remarks C-ID (FSK) sensitivity 04 D6 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. C-ID (DTMF) sensitivity 04 E4 60 (6 dB up)
  • Page 19 KX-TG8041RU/KX-TGA800RU 8.1.2. Handset...
  • Page 20 KX-TG8041RU/KX-TGA800RU Frequently Used Items (Handset) ex.) Items Address Default Data New Data Possible Adjusted Possible Adjusted Remarks Value MAX (hex) Value MIN (hex) Sending level 00 06 Adjusted value Given value (*2) Receiving level 00 07 Adjust value Given value (*3) Battery Low 00 04...

  • Page 21: Copying Phonebook Items When Repairing

    KX-TG8041RU/KX-TGA800RU 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. Refer to the following procedures. Note: • BS=Base Unit , HS=Handset...
  • Page 22 KX-TG8041RU/KX-TGA800RU 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.

  • Page 23: How To Clear User Setting

    KX-TG8041RU/KX-TGA800RU 8.3. How to Clear User Setting Units are reset to the Factory settings by this operation (Erase recorded Voice messages, stored Phone numbers, Caller list and etc.) Note: • The reset menus differ depending on the following operations. • This operation should not be performed for a usual repair. 8.3.1.

  • Page 24: Troubleshooting Guide

    KX-TG8041RU/KX-TGA800RU 9 Troubleshooting Guide 9.1. Troubleshooting Flowchart Flow Chart Cross Reference: Check Power (P.25) Bell Reception (P.35) Check Battery Charge (P.26) Check Link (P.27) Check the RF part (P.31) Check Handset Transmission (P.34) Check Handset Reception (P.34) Signal Route (P.14) Check Caller ID (P.34) Check TAM Operation (P.35)
  • Page 25 KX-TG8041RU/KX-TGA800RU 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)
  • Page 26 KX-TG8041RU/KX-TGA800RU 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.25) Charge Circuit (P.12) 9.1.2.3. Charger Unit Cross Reference: Charge Circuit (P.12)
  • Page 27 KX-TG8041RU/KX-TGA800RU 9.1.3. Check Link 9.1.3.1. Base Unit Note: (*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.36) Cross Reference: Check Point (Base Unit) (P.36) Power Supply Circuit (P.9)
  • Page 28 KX-TG8041RU/KX-TGA800RU Cross Reference: Check Point (Base Unit) (P.36)
  • Page 29 KX-TG8041RU/KX-TGA800RU 9.1.3.2. Handset Note: (*1) Refer to Troubleshooting by Symptom (Handset) (P.40) Cross Reference: Check Point (Handset) (P.40) Power Supply Circuit/Reset Circuit (P.12)
  • Page 30 KX-TG8041RU/KX-TGA800RU Cross Reference: Check Point (Handset) (P.40)
  • Page 31 KX-TG8041RU/KX-TGA800RU 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.
  • Page 32 KX-TG8041RU/KX-TGA800RU 9.1.4.2. RF Check Flowchart Each item (1 ~ 3) of RF Check Flowchart corresponds to Check Table for RF part (P.33). Please refer to the each item. Note: (*1) Base unit - refer to (G) of Check Point (Base Unit) (P.36) Handset - refer to (H) of Check Point (Handset) (P.40)
  • Page 33 KX-TG8041RU/KX-TGA800RU 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.
  • Page 34 KX-TG8041RU/KX-TGA800RU 9.1.5. Check Handset Transmission Cross Reference: Signal Route (P.14) 9.1.6. Check Handset Reception Cross Reference: How to Check the Speaker or Receiver (P.59). Signal Route (P.14) 9.1.7. Check Caller ID Cross Reference: Signal Route (P.14)
  • Page 35 KX-TG8041RU/KX-TGA800RU 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.27) How to Check the Speaker or Receiver (P.59) 9.1.9. Check TAM Operation Cross Reference: Power Supply Circuit (P.9) Note: (*1) When replacing FLASH MEMORY (IC421), TAM data need to be written to it. Refer to Base Unit of Things to Do after Replacing IC or X'tal (P.56)

  • Page 36: Troubleshooting By Symptom (Base Unit And Charger Unit)

    KX-TG8041RU/KX-TGA800RU 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.
  • Page 37 KX-TG8041RU/KX-TGA800RU Items Check Procedure Check or Point Replace Parts (G)* BBIC Clock Adjustment 1. Input Command “ sendchar WWD ff 48 IC 8006” X1, IC7, C66 VDD4 2. Confirm that the voltage between testpoint VDD4 and GND is less than 1.0 V. 3.
  • Page 38 KX-TG8041RU/KX-TGA800RU Items Check Procedure Check or Point Replace Parts (L)* Frequency Offset Check Follow steps 1 to 6 of (J). IC7, L104, ANTI_TP 7.Confirm that the frequency offset is < ± 10 kHz. C101, C106, C102, C109, R65, R66, DA1, R802~R807, C837, C826, C822, C820,...
  • Page 39 KX-TG8041RU/KX-TGA800RU Items Check Procedure Check or Point Replace Parts (O)* Timing Confirmation Follow steps 1 to 6 of (J). IC7, L104, ANTI_TP 7.Confirm that the Timing accuracy is C101, C106, • ± 5.0 ppm (When adjust the frequency of CLK in item (G)). C102, C109, •...

  • Page 40: Troubleshooting By Symptom (Handset)

    KX-TG8041RU/KX-TGA800RU 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.
  • Page 41 KX-TG8041RU/KX-TGA800RU 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 AD1 It assumes that the return value is XX. a) 6D 72: No need to adjust b) xx: 6B ~ 6C: Need to adjust...
  • Page 42 KX-TG8041RU/KX-TGA800RU 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 < ± 20 kHz. R801~R806, C808~C814, C819, C825, C834, IC801, L802~L804, D801, R807, L801, C820, C822, C826, C827, C832,...
  • Page 43 KX-TG8041RU/KX-TGA800RU Items Check Procedure Check or Point Replace Parts (O) Audio Check and Confir- 1. Link to BASE which is connected to Line Simulator. IC1, R23, C12, mation 2. Set line voltage to 48 V and line current to 40 mA. D21, D22, 3.

  • Page 44: Disassembly And Assembly Instructions

    KX-TG8041RU/KX-TGA800RU 10 Disassembly and Assembly Instructions 10.1. Disassembly Instructions 10.1.1. Base Unit...
  • Page 45 KX-TG8041RU/KX-TGA800RU...
  • Page 46 KX-TG8041RU/KX-TGA800RU 10.1.2. Handset...
  • Page 47 KX-TG8041RU/KX-TGA800RU 10.1.3. Charger Unit...

  • Page 48: How To Replace The Handset Lcd

    KX-TG8041RU/KX-TGA800RU 10.2. How to Replace the Handset LCD...

  • Page 49: Measurements And Adjustments

    KX-TG8041RU/KX-TGA800RU 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.24) 11.1. Equipment Required • Digital multi-meter (DMM): it must be able to measure voltage and current. •...
  • Page 50 KX-TG8041RU/KX-TGA800RU 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”...

  • Page 51: Adjustment Standard (Base Unit)

    KX-TG8041RU/KX-TGA800RU 11.3. Adjustment Standard (Base Unit) When connecting the simulator equipments for checking, please refer to below. 11.3.1. Bottom View 6.3 V 47 F CHARGE- CHARGE+ LINE_DC Note: (A) - (S) is referred to Check Point (Base Unit) (P.36)

  • Page 52: Adjustment Standard (Charger Unit)

    KX-TG8041RU/KX-TGA800RU 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.39)

  • Page 53: The Setting Method Of Jig (Handset)

    KX-TG8041RU/KX-TGA800RU 11.5. The Setting Method of JIG (Handset) This section explains the PC setting to use command required in Check Point (Handset) (P.40). <Preparation> Note: *: If you have the JIG Cable for TCD500 series • Serial JIG cable: PQZZ1CD300E* (PQZZ1CD505E), change the following values of resis- •...
  • Page 54 KX-TG8041RU/KX-TGA800RU 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”...

  • Page 55: Adjustment Standard (Handset)

    KX-TG8041RU/KX-TGA800RU 11.6. Adjustment Standard (Handset) When connecting the simulator equipments for checking, please refer to below. 11.6.1. Component View Note: (A) - (Q) is referred to Check Point (Handset) (P.40)

  • Page 56: Things To Do After Replacing Ic Or X'tal

    KX-TG8041RU/KX-TGA800RU 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 Program- ming data or adjustment data, etc in memory. The set doesn't operate if it is not executed. 11.7.1.
  • Page 57 KX-TG8041RU/KX-TGA800RU 11.7.1.2. Handset First, operate the PC setting according to The Setting Method of JIG (Handset) (P.53). 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.

  • Page 58: Rf Specification

    KX-TG8041RU/KX-TGA800RU 11.8. RF Specification 11.8.1. Base Unit Item Value Refer to -. * TX Power 19 dBm ~ 25 dBm Check Point (Base Unit) (J) Modulation -370±30/+370±30 kHz/div & Modulated Check Point (Base Unit) (K) width 690 kHz Frequency Offset -50 kHz ~ +50 kHz Check Point (Base Unit) (L) Frequency Drift...

  • Page 59: How To Check The Speaker Or Receiver

    KX-TG8041RU/KX-TGA800RU 11.9. How to Check the Speaker or Receiver 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. 2. Put the probes at the speaker (receiver) terminals as shown below. 11.10. Frequency Table (MHz) BASE UNIT HANDSET Channel No Transmit Frequency...

  • Page 60: Miscellaneous

    KX-TG8041RU/KX-TGA800RU 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.
  • Page 61 KX-TG8041RU/KX-TGA800RU 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.

  • Page 62: How To Replace The Llp

    KX-TG8041RU/KX-TGA800RU 12.2. How to Replace the LLP (Leadless Leadframe Package) IC 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 63 KX-TG8041RU/KX-TGA800RU 12.2.4. How to Install the IC 1. Place the solder a little on the land where the radiation GND pad on IC bottom is to be attached. 2. Place the solder a little on the land where IC pins are to be attached, then place the IC. Note: •...

  • Page 64: Terminal Guide Of The Ics, Transistors And Diodes

    KX-TG8041RU/KX-TGA800RU 12.3. Terminal Guide of the ICs, Transistors and Diodes 12.3.1. Base Unit 12.3.2. Handset...

  • Page 65: Schematic Diagram

    KX-TG8041RU/KX-TGA800RU 13 Schematic Diagram 13.1. For Schematic Diagram 13.1.1. Base Unit (Schematic Diagram (Base Unit_Main)) 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.

  • Page 66: Schematic Diagram (Base Unit_Main)

    KX-TG8041RU/KX-TGA800RU 13.2. Schematic Diagram (Base Unit_Main) ANT2_TP ANT1_TP ANT_1 ANT_2 Low_Rad +3.0V ANT1 ANT2 Pow_Adj Pow_Adj Low_Rad *Q101 L104 TX_RF RX_RF C425 3.0V VDD4 CP_OUT1=3.0V TAM_WP *R425 270k 100n TAM_WP *C422 *Q421 100n CHARGE VD D *C424 ROW0 *HOLD ROW1 SPI_CLK ROW2 (10)
  • Page 67 KX-TG8041RU/KX-TGA800RU LINE_DC Loop Current 100k TP10 2.2k 100k 2.2k +1.8V +1.8V 100k GND GND TX_AF RX_AF Caller ID, Bell Signal K1000p 180k 1.5n K1000p 180k 1.5n Bell signal Charge Current +2.5_CP VDD5 220p C403 2.5V DC_IN J101 3.0V +3.0V VDD3 +8.0V Output Input...

  • Page 68: Schematic Diagram (Base Unit_Rf Part)

    KX-TG8041RU/KX-TGA800RU 13.3. Schematic Diagram (Base Unit_RF Part)

  • Page 69: Schematic Diagram (Base Unit_Operation)

    KX-TG8041RU/KX-TGA800RU 13.4. Schematic Diagram (Base Unit_Operation) KEY5 KEY4 KEY3 KEY2 KEY1 KEY0 NEWMSG2 STOP NEWMSG ERASE ROW4 CN1-5 CN1-6 CN1-7 AUTO SP-PHONE MUTE CN1-8 ROW3 CN1-9 CN1-10 CN2-2 CN2-3 CN2-4 GREETING REDIAL CN2-5 ROW2 CN2-6 SKIP DOWN IN USE_LED LED1 CN1-1 ROW1 SP-PHONE_LED...

  • Page 70: Schematic Diagram (Handset)

    KX-TG8041RU/KX-TGA800RU 13.5. Schematic Diagram (Handset) Charge Current BATTERY BATTERY BATT+ 5.6n 1.8V (MAX500mA) 330u +1.8V 330u 1.8V BATT- X_CLK 2.5V 4.0V CP+4.0V CP+2.5V 3.9k CHG(+) k0.1u POWER +1.8V CHG(-) GND_0 GND_1 K0.1u RSTn VBAT2 JTAG CP_C1y +1.8V LCD_CSB P2_5/PCM_FSC/SF CP_C2x P2_4/SCL1/PCM_DO/DP3 CP_C1x LCD_BACKLIT...
  • Page 71 KX-TG8041RU/KX-TGA800RU R107 ANT_TP ANT1 R108 ANT2 R807 RXON C822 100p C827 L801 RX_RF C826 B1.5p D802 C803 RF_RXn C837 B0.5p 1.3p C832 ANT2 RF_RXp C833 CP+2.5V R806 TXON C172 BATTERY C825 0.1u VDD_PADRV R805 C812 R801 C808 100n C811 PSET VCCS C834 C810...

  • Page 72: Schematic Diagram (Charger Unit)

    KX-TG8041RU/KX-TGA800RU 13.6. Schematic Diagram (Charger Unit) 12 (2W) SCHEMATIC DIAGRAM (Charger Unit)

  • Page 73: Printed Circuit Board

    KX-TG8041RU/KX-TGA800RU 14 Printed Circuit Board 14.1. Circuit Board (Base Unit_Main) 14.1.1. Component View ANT_1 C104 C101 C102 L104 C111 C826 C803 R32 R36 C820 R12 R13 D802 C801 C812 C833 C825 D801 L804 R805 L803 C809 C805 C819 C810 IC801 Q101 R103 Q401...
  • Page 74 KX-TG8041RU/KX-TGA800RU 14.1.2. Bottom View KX-TG7341H TG7331H ANT2_TP YELLOW GREEN WHITE J101 ANT1 ANT2 VDD3 GND_C GND_C LINE_DC TP10 LINE_DC VDD1 VDD1 (1.8 V) Low_Rad TG7331_short VDD2 VDD2 (2.4 V) SPI_DO TAM_WP SPI_CLK FLASH_CSn (3.0 V) UVCC JTAG IC421 EEP_WP Q421 SPI_DI TP16_sub RA401...

  • Page 75: Circuit Board (Base Unit_Operation)

    KX-TG8041RU/KX-TGA800RU 14.2. Circuit Board (Base Unit_Operation) 14.2.1. Component View KX-TG7341H TG7331H LED4 LED3 ERASE SKIP DOWN PNLB1038Z PROGRAM MUTE LED1 RECALL LED2 SP-PHONE KX-TG8041 CIRCUIT BOARD (Base Unit_Operation (Component View))
  • Page 76 KX-TG8041RU/KX-TGA800RU 14.2.2. Bottom View KX-TG7341H TG7331H PNLB1038Z PNWH01 PNWH02 KX-TG8041 CIRCUIT BOARD (Base Unit_Operation (Bottom View))

  • Page 77: Circuit Board (Handset)

    KX-TG8041RU/KX-TGA800RU 14.3. Circuit Board (Handset) 14.3.1. Component View ANT1 SOLDER C811 R804 R803 C804 C814 C117 C813 C183 C802 L802 C182 C808 L801 R801 C827 R805 ANT_TP JTAG C837 C834 C46 C45 C44 C187 C186 C832 R807 R203 R206 1.8V ANT1 SOLDER CP4.0V...
  • Page 78 KX-TG8041RU/KX-TGA800RU 14.3.2. Bottom View PNLB1040Z KX-TGA800EX C114 C103 SOFT_B SOFT_A TALK LED8 LED5 LEFT RIGHT CANCEL DOWN KX-TGA800 CIRCUIT BOARD (Handset_Main (Bottom View))

  • Page 79: Circuit Board (Charger Unit)

    KX-TG8041RU/KX-TGA800RU 14.4. Circuit Board (Charger Unit) 14.4.1. Component View CIRCUIT BOARD (Charger unit (Component View)) 14.4.2. Bottom View TP4 (GND) CIRCUIT BOARD (Charger unit (Bottom View))

  • Page 80: Exploded View And Replacement Parts List

    KX-TG8041RU/KX-TGA800RU 15 Exploded View and Replacement Parts List 15.1. Cabinet and Electrical Parts (Base Unit)

  • Page 81: Cabinet And Electrical Parts (Handset)

    (*1) This cable is fixed by welding. Refer to How to Replace the Handset LCD (P.48). (*2) The rechargeable Ni-MH battery P03P or HHR-4MRE is available through sales route of Panasonic. (*3) Attach the spacer (No. 121) to the exact location described above.

  • Page 82: Cabinet And Electrical Parts (Charger Unit)

    KX-TG8041RU/KX-TGA800RU 15.3. Cabinet and Electrical Parts (Charger Unit)

  • Page 83: Accessories And Packing Materials

    KX-TG8041RU/KX-TGA800RU 15.4. Accessories and Packing Materials 15.4.1. KX-TG8041RUM/RUT...
  • Page 84 KX-TG8041RU/KX-TGA800RU 15.4.2. KX-TGA800RUT/RUC/RUS...

  • Page 85: Replacement Part List

    15.5. Replacement Part List Safety Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PNBC1002Y6 BUTTON, NAVIGATOR ABS-HB (for KX-TG8041RUM) Note: PNBC1002Y5 BUTTON, NAVIGATOR ABS-HB The “RTL” marking indicates that its Retention Time is (for KX-TG8041RUT) Limited. PNHR1001Z...
  • Page 86 KX-TG8041RU/KX-TGA800RU Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks B0DDCL000001 DIODE(SI) R203 ERJ2GEJ104 100k (COILS) R204 ERJ2GE0R00 PQLQXF330K COIL R205 ERJ2GEJ331 PQLQXF330K COIL R206 ERJ2GEJ222 2.2k L104 PQLQR4C15NJ COIL R207 ERJ2GEJ222 2.2k L201...
  • Page 87 KX-TG8041RU/KX-TGA800RU Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks ECUE1H100DCQ 10p K5H302Y00003 FUSE ECUE0J105KBQ 1 H0J103500027 CRYSTAL OSCILLATOR (*1) ECUE1H100DCQ 10p 15.5.1.3. Operational P.C.Board Parts ECUE1A104KBQ 0.1 F1G1H3R0A480 3p C101 ECUE1H150JCQ 15p Safety Ref.
  • Page 88 KX-TG8041RU/KX-TGA800RU 15.5.2.2. Main P.C.Board Parts Safety Ref. Part No. Part Name & Description Remarks Note: ERJ2GEJ101 (*1) Reconfirm the model No. written on the handset’s name ERJ2GEJ102 plate when replacing PCB100. Because the model No. of ERJ2GEJ331 the optional handset may differ from the included handset. ERJ2GEJ221 (*2) When replacing IC1, IC3 or X1, make the adjustment ERJ2GEJ100...
  • Page 89 ECUE1H332KBQ 0.0033 (*1) You can download and refer to the Operating Instruc- C819 F1G1H100A420 10p tions (Instruction book) on TSN Server. C820 F1G1HR75A480 0.75p C822 F1G1H101A557 100p 15.5.4.1. KX-TG8041RUM/RUT C825 F1G1H100A420 10p C826 F1G1H1R5A480 1.5p C827 F1G1H100A420 10p Safety Ref.
  • Page 90 KX-TG8041RU/KX-TGA800RU Method of JIG (Handset) (P.53). Part No. Part Name & Description Remarks Safety Ref. PQZZ1CD300E JIG CABLE (*1) PNZZTG8041RU BATCH FILE CD-ROM (*1) KXTG8041RUM KXTG8041RUT KXTGA800RUT KXTGA800RUC KXTGA800RUS...

This manual is also suitable for:

Kx-tg8041rutKx-tga800rutKx-tga800rucKx-tga800rus

Table of Contents