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KX-TG6841BXB/KX-TGA680BXB

14 Schematic Diagram

14.1. For Schematic Diagram

14.1.1. 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.

14.1.2. Handset (Schematic Diagram (Handset_Main))

Notes:

1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams may be modified at any time with the development of new technology.

Important Safety Notice:
Components identified by      mark have special characteristics important for
safety. When replacing any of these components, use only the manufacture's
specified parts.

Содержание KX-TG6841BXB

Страница 1: ...aw ORDER NO KM41307722CE F13 Telephone Equipment Model No KX TG6841BXB KX TGA680BXB Digital Cordless Answering System B Black Version for Middle Near East for Asia Configuration for each model Handset KX TGA680 KX TG6841 Base Unit Model No Base Unit Handset Charger Unit KX TG6841 1 TG6841 1 TGA680 ...

Страница 2: ...ams 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 printe...

Страница 3: ...andset Reception 45 10 1 11 Check Caller ID 45 11 Disassembly and Assembly Instructions 46 11 1 Disassembly Instructions 46 11 1 1 Base Unit 46 11 1 2 Handset 48 11 2 How to Replace the Base Unit LCD 49 11 3 How to Replace the Handset LCD 51 12 Measurements and Adjustments 52 12 1 Equipment Required 52 12 2 The Setting Method of JIG 52 12 2 1 Connections Base Unit 52 12 2 2 Connections Handset 53 ...

Страница 4: ...4 KX TG6841BXB KX TGA680BXB 16 3 Accessories 85 16 4 Replacement Parts List 86 16 4 1 Base Unit 86 16 4 2 Handset 88 16 4 3 Accessories 89 16 4 4 Screws 89 16 4 5 Fixtures and Tools 89 ...

Страница 5: ...ed batteries according to the manufacture s Instructions 2 2 About Lead Free Solder Pbf Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that contains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and...

Страница 6: ...se check the manufacturer s specific instructions for the melting points of their products and any precautions for using their product with other materials The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 3 Discarding of P C Board When discarding P C Board delete all personal information such as telephone directory and caller list...

Страница 7: ...odulation 40 bit 0 1B Tone DTMF Pulse Up to 48 digits Up to 24 digits Phonebook Standby Approx 0 8 W Maximum Approx 3 6 W 0 C 40 C 32 F 104 F 20 80 relative air humidity dry Approx 178 mm x 115 mm x 101 mm Approx 340 g Rechargeable Ni MH battery AAA R03 size 1 2 V 400 mAh Super Heterodyne PLL synthesizer Quadrature Discriminator 13 824 MHz 100 Hz Frequency Modulation 40 bit Tone DTMF Pulse Up to 4...

Страница 8: ...d Handset doesn t make up duplex in no free RF channels because of interference 1 Dummy Bearer Base unit sends Dummy data to the all stand by state handsets Handsets receive that data for synchronization and monitoring request from the base unit Base unit doesn t send Dummy bearer in no free RF channels because of interference 1 Note 1 It is a feature under FCC 15 regulation and for interference a...

Страница 9: ... data RXDATA BBIC IC1 converts RXDATA into a voice signal and outputs it to speaker Transmission Handset A voice signal from microphone is encoded to digital data and converted into a 1 9GHz modulated radio signal by BBIC IC1 The RF signal after which is amplified in BBIC is fed to an antenna Base unit As for a base unit RF RF signal is received in two antennas BBIC IC501 compares RF signal levels...

Страница 10: ...2 INUSE DETECT 1 RECEIVE AMP DCIN 1 DCIN 2 IC302 VCCPA VBAT_APU VBAT VCC_FE VCC_IF VCC_VCO DCINS CHARGE_DET 3 0V DOUBOUT SCL SDA WP VDD ANS_LED SP_LED IC601 FLASH MEMORY IC611 EEPROM MEMORY KEYS LCD R151 R152 R131 R133 Q171 VBAT DL CS MSG_LED LCD_BLT KEY 1 MIP MIN 6 KEY A E CS CD SID SCL RST SPOUTN SPOUTP 3 0 V REGULATOR Power supply at AC failure CLK DO STM CKM R371 R372 Q701 Q702 CHARGE DETECT V...

Страница 11: ...11 KX TG6841BXB KX TGA680BXB 4 3 Block Diagram Base Unit_RF Part KX TG6841 BLOCK DIAGRAM Base Unit_RF Part DA802 ANT2 ANT1 RXp RXn ANT2 ANT1 TXp TXn ...

Страница 12: ... BBIC implements synthesized Voice utilizing the built in speech detector and a Flash Memory which stored the vocabulary Caller ID demodulation The BBIC implements monitor and demodulate the FSK DTMF signals that provide CID information from the Central Office Digital Switching The voice signal from telephone line is transmitted to the handset or the voice signal from the handset is transmitted to...

Страница 13: ... from VBAT by Doubler of BBIC Circuit Operation 5 5V VBAT RSTN Reset pin 54 VBAT pin 10 pin 57 pin 9 pin 15 IC501 IC302 IC601 BBIC DOUBLER OUT For peripherals VDDC 1 2V AC Adaptor 3 0V REGULATOR FLASH IC611 EEPROM 3 0V STM CKM Receive Amp RF Part Q661 LCD BLT ANS LED MSG LED SP LED Startmonitor IC501 57pin VDDC 1 2 V VBAT Reset RSTN IC501_54 pin BBIC chip initialize CKM STM LCD_BLT IC501 pin 33 LC...

Страница 14: ...14 KX TG6841BXB KX TGA680BXB 4 4 4 1 Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits D362 R372 R371 D361 CHARGE F301 DCP CHARGE 5 5V DCM ...

Страница 15: ... flow T D101 Q141 Q161 R163 D101 P101 R ON HOOK Circuit Q141 is open Q141 is connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an on hook condition Pulse Dial Circuit Pin 6 of BBIC turns Q141 ON OFF to make the pulse dialing Side Tone Circuit Basically this circuit prevents the TX signal from feeding back to RX signal As for this unit TX signal feed ba...

Страница 16: ... pin 17 of IC501 There is no parallel connection if the voltage is 0 54 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook When off hook the voltage is monitored at pin 18 of IC501 the presence absence of a parallel connection is determined by detecting the voltage changes If the Auto disconnect function is ON and statuses...

Страница 17: ... in an FSK Frequency Shift Keying format Data 1 is a 1200 Hz sine wave and data 0 is a 2200 Hz sine wave There are two types of the message format which can be received i e the single message format and plural message format The plural message format allows to transmit the name and data code information in addition to the time and telephone number data Also the telephone exchange service provides ...

Страница 18: ...nd MARK data pass the following route Telephone Line P101 C121 C122 R121 R122 IC501 25 24 If the unit deems that a telephone connected in parallel is in use ACK is not returned even if CAS is received and the information for the second and subsequent callers is not displayed on the portable handset display CAS CAS CPE Alerting Signal Dual Tone of 2130 Hz 2750 Hz 15 dBm 900 ohm load 80 5 ms MARK DA...

Страница 19: ... RESET CHG_CTL BATTERY_ON CHG_DET WP CLK DATA KEYSTOROBE_A E KEYIN_1 5 CHARGE MIC Receiver Headset Jack CN431 Monitor SP LCD CHARGE PUMP IC4 KEYS RF part ANT1 X1 13 824 MHz EEPROM 3V BATTERY LED LCD RSTN VBAT VBAT 3V 4 0V VBAT RXn RXp TXp TXn KX TGA680 BLOCK DIAGRAM Handset KEY_LED CP_OFF Q6 LED KEY 4V CHARGE CONTROL POWER SUPPLY CONTROL ...

Страница 20: ...20 KX TG6841BXB KX TGA680BXB 4 6 Block Diagram Handset_RF Part KX TGA680 BLOCK DIAGRAM Handset_RF Part RXp RXn ANT TXp TXn ...

Страница 21: ... ID user setting 4 7 2 Power Supply Circuit Reset Circuit Circuit Operation When powering on the Handset the voltage is as follows BATTERY 2 2 V 2 6 V BATT F1 BBC1 IC1 10 pin The Reset signal generates IC1 54 pin and 1 8 V Start monitor IC1 57pin VDDC 1 2 V VBAT Reset RSTN IC1_54 pin BBIC chip initialize CKM STM GND BATTERY 2CELL BBIC 3 0V 3 0V DOUBLER OUT Charge Pump For all peripherals 3 0V 3 0V...

Страница 22: ... 101 in Power Supply Circuit Reset Circuit P 13 4 7 4 Battery Low Power Down Detector Circuit Operation Battery Low and Power Down are detected by BBIC which check the voltage from battery The detected voltage is as follows Battery Low Battery voltage V Batt 2 35 V 50 mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt 2 1 V 50 mV The BBIC detects this level and po...

Страница 23: ...it s power is falied Base unit detects that power voltage of AC adaptor 5 5V is OFF then turns Q351 ON It s possible to use the units during the power failure supplying power to VBAT of base unit from battery of handset through Q10 CHG terminal and Q351 Handset BATT BATT_ Base Unit Q351 VBAT Power Supply at AC failure Q10 Q11 Q12 BBIC IC1 R45 CHG CHG R351 R352 3 Power Down DET Q352 Q353 5 5V ...

Страница 24: ...SET TX HEADSET RX HANDSET SP Phone TX HANDSET SP Phone RX SIGNAL ROUTE IN ROUTE OUT GREETING RECORDING GREETING PLAY TO TEL LINE ICM RECORDING ICM PLAY TO SPEAKER DTMF SIGNAL TO TEL LINE CALLER ID BELL DETECTION HANDSET MIC C11 13 RA4 IC1 22 23 HANDSET_RF_TX_ROUTE ANT IC601 IC501 73 74 28 C184 Q161 Q141 D101 P101 T R TEL LINE T R TEL LINE P101 D101 Q141 R165 R177 C173 Q171 C178 IC501 16 73 74 IC60...

Страница 25: ...L ROUTE IN 㸢㩷 ROUTE 㸢㩷 OUT HANDSET RF TX_ROUTE HANDSET RF RX_ROUTE BASE UNIT RF TX_ROUTE BASE UNIT RF RX_ROUTE IC1 44 45 C802 C808 ANT ANT C808 C801 IC1 46 47 IC501 44 45 C819 C872 DA802 ANT1 ANT2 ANT1 ANT2 DA802 C872 C895 IC501 46 47 Note inside of Handset ...

Страница 26: ...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 Note You can download and refer to the Operating Instructions Instruction book on TSN Server ...

Страница 27: ...d 8 Press to return to standby mode After that turn the base unit power off and then power on Note To enter Set dial mode press SELECT or at Set tel line It is necessary to turn on the power of base unit 6 Enter 㸨 㸨 New Data 1 4 Select Write EEP using or then press SELECT or V Default Data New Data Phonebook V V Initial setting V Set tel line V Set dial mode Select Set tel line using or then press...

Страница 28: ... 00 28 gain increase by 3 dB or 6 dB C ID DTMF sensitivity 07 02 07 01 08 00 0B 4C 3 dB up 0F F6 6 dB up When the hex change from 08 00 to 0B FC or 0F F6 gain increase by 3 dB or 6 dB Frequency 00 07 00 08 00 01 Use these items in a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the computer system ID 00 02 00 06 Given value Desired Number hex Input Keys Desi...

Страница 29: ...Press OK a long confirmation beep will be heard 8 Press to return to standby mode After that remove and reinsert the batteries Press the Power button for about 1 second if the power is not turned on 6 Enter 㸨 㸨 New Data 1 4 Select Write EEP using or then press SELECT or V OFF Default Data New Data V Service Mode Read EEP Write EEP Set Addr _ _ _ _ _ _ Set Addr Set Addr Ringer setting BACK SELECT C...

Страница 30: ...contents Careless rewriting may cause serious damage to the handset Items Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Battery Low 00 12 00 13 00 00 2 Frequency 00 07 00 08 00 01 ID 00 02 00 06 Given value Desired Number hex Input Keys Desired Number hex Input Keys 0 0 A Flash 0 1 1 B Flash 1 C Flash 2 D Flash 3 E Flash 4 9 9 F Flash 5 ...

Страница 31: ... Service Mode 9 1 How to Clear User Setting Handset Only Handset Press simultaneously until a beep sound is heard Then single handset is initialized The contents of user setting are reset to factory default Usage time is not cleared ...

Страница 32: ... can not reappear with TEL simulator in the service center In this case try to change the Auto disconnect activation time and Vox level How to change the Auto Disconnect activation time and VOX level P 35 item A and B Power ON Base Unit OK FLOW CHART Check Power OK Playback Pre Message Check Playback Record OK Check Record Range Check the RF part Handset Voice Transmission Check Handset Transmissi...

Страница 33: ...Is output voltage of AC adaptor 5 5 V YES Check AC Adaptor Check VDDC 1 2 V Test Point VDDC OK Check Power Supply Circuit NO NO NO NO RSTN Reset High YES Check Reset Circuit Check Xtal CLK 13 824 MHz YES Check X501 Check BBIC Check Power Supply Circuit Reset Circuit Check X1 C52 C53 Is the voltage of TP 3 0 V about 3 0 V Is the voltage of TP VBAT 2 3 V more Check the battery and around BATT and BA...

Страница 34: ...Circuit Auto Disconnect Circuit P 16 Note Flash Memory is IC601 BBIC is IC501 Check Bell signal OK Check Telephone Line Interface Bell Does the unit catch line YES Check Telephone Line Interface OFF HOOK Check Line In Pin 16 of BBIC Check ICM Recording in Signal Route NO OK Check Auto Disconnect Circuit OK Check Parallel Connection Detection Circuit OK Check BBIC and Flash Memory NO NO ...

Страница 35: ...MENU key at standby Mode and key Note The set must power on and be linked 2 Press 9 0 0 0 3 Press 7 3 1 4 Then enter the below last digit 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Service ready 7 3 1 Service ready LCD H S last digit 0 Auto disconnect CPC enable 㨇default㨉 1 1 Auto disconnect CPC disable 2 1 2 Auto disconnect enable CPC di...

Страница 36: ...f VOX level Therefore the recording of TAM is not turned off during detection 1 2 are same as A 3 Press 5 1 1 4 Then enter the below last digit 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Service ready 5 1 1 last digit 0 default setting normal 1 6dB up CLEAR ...

Страница 37: ...er P 33 Charge Circuit P 22 Check VDDC 1 2 V Test Point VDDC OK Check Power Supply Circuit Check output of BBIC Pin 29 31 OK Check BBIC and Flash Memory Check Speaker and its surroundings NO NO Check Charge Circuit of Base Unit Check Handset Plug in the AC Power source Charge Handset on Base Unit Is the voltage of two charge contacts about 3 V or more OK NO Check Charge Contacts at Base Unit from ...

Страница 38: ... the TP_CKM IC501 57pin To adjust frequency send command SFR until the frequency counter becomes13 824 MHZ 55HZ Check around Power Supply Circuit Does Base Unit connect to the properly working Handset Check around X501 and RF module and adjust clock frequency NO NO NO NO YES YES Is the voltage of VBAT about 3 0 V Check the RF part Does the RF clock CLK oscillate at 13 824 MHz in Base Unit Test Mod...

Страница 39: ...t frequency send command SFR until the frequency counter becomes13 824 MHz 55HZ Check around Power Supply Circuit Reset Circuit Does Handset link with Base Unit Properly working unit Check around X1 and RF module and adjust clock frequency NO NO NO NO Is the voltage of TP VBAT about 2 2 2 8 V Is the voltage of TP VDDC about 1 2 V YES YES YES YES Is the voltage of TP 3 0 V about 3 0 V Does the RF c...

Страница 40: ...Re register regular HS Normal mode to base unit to be checked If this operation fails in some ways the base unit is defective b Re register handset to be checked to regular BU Normal mode If this operation fails in some ways the handset is defective Base unit is defective Handset is defective START Registration of Regular HS to base unit Registration of handset to Regular BU other checkings Regist...

Страница 41: ...e refer to the each item Note 1 Refer to Check Link P 38 Start Link confirmation Normal 1 Control signal confirmation X tal Frequency confirmation TX confirmation Range confirmation Normal TEST RANGE Check Check BBIC interface parts RF Block BBIC on BU HS P C B Adjust X tal Frequency 1 Check TX Block GOOD 5 2 3 4 OK OK OK NG NG NG NG NG OK OK ...

Страница 42: ...eck X tal Frequency 13 824000 MHz 100 Hz Check X tal Frequency 13 824000 MHz 100 Hz 3 TX confirmation HS Mode HS_Burst Mode 1 BS Mode BS_Burst Mode 2 1 Remove wire antenna 2 and connect spectrum analyzer to TP 3 2 Confirm TX power whether spec is satisfied Power 14 5dBm 1 Connect spectrum analyzer to TP 4 2 Confirm TX power whether satisfied spec Power 16 0dBm 4 Range Confirmation Normal HS BU Mod...

Страница 43: ...istance of about 20m between HS and BU Link OK TX Power of the HS is OK No Link TX Power of the HS is NG Range Confirmation RX TEST RX sensitivity check HS BU setting Checked unit High TX power 1 Regular unit Low TX power 1 1 Register Regular HS to BU to be checked 2 Set TX Power of the BU and the Regular HS according to CHART1 3 At distance of about 20m between HS and BU Link OK RX Sensitivity of...

Страница 44: ...then repeat this step The next step must be completed within 90 seconds 3 Handset Press OK then wait until a long beep sounds Note While registering registering handset is displayed on all registered handsets When you purchase an additional handset refer to the additional handset s installation manual for registration L OFF A handset can cancel its own registration to the base unit or other handse...

Страница 45: ...Caller ID Call Waiting Caller ID P 17 Note Make sure the format of the Caller ID service of the Telephone company that the customer subscribes to It is also recommended to confirm that the customer is really a subscriber of the service Check MIC of handset Check handset Tx in Signal Route Check speaker of handset Check handset Rx in Signal Route YES Did bell ring Message indicator blinks Check Cal...

Страница 46: ...embly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit Cabinet cover Solders 5 screws Main P C board Pararell wire Ԙ Remove the 5 screws to remove the cabinet cover ԙ Remove the solders Ԛ Remove the pararell wire to remove the main P C board ...

Страница 47: ...47 KX TG6841BXB KX TGA680BXB 2 screws Jack holder Operational P C B board 4 screws ԛ Remove the 2 screws to remove the Jack holder Ԝ Remove the 4 screws to remove the operational P C B board ...

Страница 48: ...ll it along the gap to open the cabinet Likewise open the other side of the cabinet Remove the cabinet cover by pushing it upward Remove the solders Remove the solders to remove the 2 charge terminals Remove the screw to remove the main P C board Cabinet cover Cabinet body Cabinet cover 2 screws Screw Solders Main P C board 2 charge terminals ...

Страница 49: ...IR Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron New LCD Operational P C B 0 2mm 0 2mm If interval tolerance between center lines is less than 0 2 mm it is o k Horizontal Interval Tolerance Vertical Interval Tolerance OK NG NG NG Horizontal interval tolerance is more than 0 2 mm Vertical interval tolerance is more than 0 2 mm Inclined ...

Страница 50: ...50 KX TG6841BXB KX TGA680BXB Ԛ ԛ Attach the LCD and fix by hook A two points Solder the wires A A ...

Страница 51: ...maged Fit the heatseal of a new LCD Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron 0 2 mm 0 2 mm P C board New LCD Tip of Soldering Iron Part No PQZZ430PIR Rubber of Soldering Iron Part No PQZZ430PRB If interval tolerance between center lines is less than 0 2 mm it is o k Horizontal Interval Tolerance Vertical Interval Tolerance OK NG NG NG Horizonta...

Страница 52: ... a mass production 12 2 The Setting Method of JIG Preparation Serial JIG cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PNZZTG6841BX Note If you have the JIG Cable for TCD500 series PQZZ1CD505E change the following values of resistance Then you can use it as a JIG Cable for both TCD300 and TCD500 series It is an upper compatible JIG Cable 12 2 1 Connections Base Unit Con...

Страница 53: ...BATT Connect the JIG cable GND black to GND Connect the JIG cable UTX yellow to UTX and URX red to URX Note COM port names may vary depending on what your PC calls it DC Power or Battery 2 GND black 3 To Serial Port com port 1 JIG Cable PC URX red 3 UTX yellow Handset P C board 1 BATT BATT GND UTX URX ...

Страница 54: ... appear change the port number or 䇭check the cable connection 䊶If any value appear go to next step 7 Type DOSKEY then press the Enter key Example C Documents and Settings D D CD PNZZTG D PNZZTG SET_COM X D PNZZTG READID 00 52 4F A8 A8 D PNZZTG DOSKEY D PNZZTG Example error happens C Documents and Settings D D CD PNZZTG D PNZZTG SET_COM X D PNZZTG READID ޓ CreateFile error ERROR 10 Can t open seria...

Страница 55: ...ecksum Type getchk 5 sendchar epw Write EEPROM Type sendchar epw 03 F2 04 WW XX YY ZZ WW XX YY ZZ is 4 byte data that already read from same address wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out readid Read ...

Страница 56: ...121 R122 D472 D473 R321 R322 R331 R332 R142 R145 C301 C111 C112 C113 R151 R152 C120 C121 R351 C122 R352 C123 C124 R354 R161 R355 R163 C513 C321 C322 C133 R171 R172 R175 C521 RA611 R176 R177 C331 R371 R372 R373 C151 C152 C351 C352 C163 C168 RA451 RA452 C171 C173 D113 C175 C176 C178 C181 C184 C185 C186 IC302 D133 D153 D361 D362 ANT2 S GND ANT2 Short ANT1 S GND ANT1 Short L1T L1R TCK TDI TDO TMS DCM ...

Страница 57: ...ONE_SPEAKER ANT Short D13 D14 L3 L4 L8 IC3 IC4 TMS R21 R22 R23 R24 R25 R26 Q2 R27 Q3 R28 Q4 Q6 Q9 R31 R32 R33 R1 R2 R3 R4 CKM STM R6 R7 R8 R9 R45 R66 R67 R68 R69 R70 CN4 X1 C10 C11 C13 C14 C15 C16 C17 C18 BAT BAT RESET RSTN ATSTN ATSTP CD OTP CS VDDC SCL VBAT_MON CHG_CUR SID CHG_DET CHG_CTRL SPM SPP URX UTX MIC MIC VBAT GND C803 C804 L802 Q10 Q11 Q12 C 8 0 5 C 8 0 6 C2 C3 R10 R11 R12 R13 R19 R20 H...

Страница 58: ... of JIG P 52 Items How to download Required adjustment EEPROM IC611 Adjusted parameter data is stored in memory country version batch file default batch file etc 1 Change the address 0001 of EEPROM to AA to download the data 2 Default batch file Execute the command default bat 3 Country version batch file Execute the command TG6841US_WW_RevXXX_YYY bat 1 4 Clock adjustment X tal X1 System clock Clo...

Страница 59: ...atch file default batch file etc 1 Default batch file Execute the command default bat 2 Default batch file remaining Execute the command TGA680US_DEF_RevXXX_YYY bat 2 3 Country version batch file Execute the command TGA680US_WW_RevXXX_YYY bat 2 4 Clock adjustment 5 2 35 V setting and battery low detection X tal X1 System clock 1 Apply 2 6V between BATT and BATT with DC power 2 Input Command sendch...

Страница 60: ...60 KX TG6841BXB KX TGA680BXB 12 6 Frequency Table Ch hex TX RX Frequency MHz Channel 0 00 1928 448 Channel 1 01 1926 720 Channel 2 02 1924 992 Channel 3 03 1923 264 Channel 4 04 1921 536 ...

Страница 61: ...tly choose the right sized nozzle of the hot air desoldering tool that matches the IC package Be careful about the temperature of the hot air desoldering tool not to damage the PCB and or IC 13 1 3 How to Remove the IC 1 Heat the IC with a hot air desoldering tool through the P C Board 2 Pick up the IC with tweezers etc when the solder is melted completely Note Be careful not to touch the peripher...

Страница 62: ...acing the IC the positioning should be done very carefully 3 Heat the IC with a hot air desoldering tool through the P C Board until the solder on IC bottom is melted Note Be sure to place it precisely controlling the air volume of the hot air desoldering tool 4 After soldering confirm there are no short and open circuits with visual inspection Solder Soldering Iron P C Board Land IC Solder Solder...

Страница 63: ...the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 5 13 2 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the...

Страница 64: ... the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 13 2 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Страница 65: ... Cathode Anode B0ECKM000008 B0EDER000009 Cathode Anode B0DDCD000001 3 2 1 4 C0DBEYY00102 B1ACGP000008 DA2J10100L DY2J25000L Anode Cathode B3AAB0000347 Cathode Anode C2HBCY000126 1 88 67 23 44 22 66 45 Reverse View 1 3 2 4 5 6 1 4 8 5 PNWIGA680BXR Anode Cathode B0BC4R3A0006 C0DBZYY00357 C B E B1ADCF000040 DRC9113Z0L 2SC6054JSL B1ADNB000003 C2HBCY000124 1 88 67 23 44 22 66 45 Reverse View B1ABGE0000...

Страница 66: ...66 KX TG6841BXB KX TGA680BXB Memo ...

Страница 67: ...any time with the development of new technology 14 1 2 Handset Schematic Diagram Handset_Main Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams may be modified at any time with the development of new technology Important Safety Notice Components identified by mark have special characteristics important for safety When replacing any of...

Страница 68: ...654 680 R651 680 R652 680 VBAT R666 NC C892 5p C891 5p Q651 Q652 RA653 100 1 2 3 4 5 6 7 8 R665 820 5 5V R663 NC R664 NC C515 1u Q661 Q663 NC Q662 R661 39 C897 NC C819 10p RXp C896 NC RXn L804 NC TXp C895 2p GND TXn GND VBAT GND L803 2 7n GND C894 10p C893 10p GND ANT2 Short ANT2 S GND GND ANT1 S GND GND ANT1 Short R503 10k R506 10k R502 10k R504 10k SHORT1 SHORT2 SHORT3 SHORT4 SHORT5 SHORT6 45 TX...

Страница 69: ...701 3 3k RA451 2 2k 1 2 3 4 RA452 2 7k 1 2 3 4 RA151 1k 1 2 3 4 Q352 Q353 5 5V R351 33k R352 6 8k C342 0 1u C506 1u C181 NC C184 1u C510 1u R114 47k R509 NC C163 NC C341 1000u 6 3 C344 1000u 6 3 D101 1 4 3 2 Q701 C507 2 2u C513 2 2u IC611 128K EEPROM 1 A0 2 A1 6 SCL 7 WP 3 A2 8 VCC 4 GND 5 SDA C101 680p C102 680p C121 680p C122 680p R163 39 R152 130k R176 1k C176 1u R175 3 9k R172 680k R371 1 R372...

Страница 70: ...C902 1u 16V R906 33 CELL2 SOFT_C SOFT_R CELL1 SOFT_L 1 6 8 9 3 0 5 2 4 7 HOLD SP PHONE REDIAL LOCAT STOP FLASH S N A E S A R E LCD_SIO LCD_VDD LCD_GND LCD_BLT LCD_SCL LCD_CD LCD_RST LCD_CS ANS_LED MEG_LED SP_LED MICN MICP CELL1_LED G CELL2_LED G KEYS_F KEYIN2 KEYIN3 KEYS_B KEYS_A KEYS_C KEYIN4 KEYIN1 KEYIN5 KEYIN6 KEYS_D KEYS_E VLED MIC 1 2 1 1 15 13 13 13pin TG6841 TG7871 13pin TG6841 15pin TG787...

Страница 71: ...71 KX TG6841BXB KX TGA680BXB Memo ...

Страница 72: ...72 KX TG6841BXB KX TGA680BXB 14 4 Schematic Diagram Base Unit_LED LED KX TG6841 SCHEMATIC DIAGRAM Base Unit_LED ...

Страница 73: ...73 KX TG6841BXB KX TGA680BXB Memo ...

Страница 74: ...100k Battery_ON C30 1u C29 1u TALK OFF NR CN3_C 5 A0 CN3_C 3 CS1 CN3_C 9 VDDA CN3_C 1 GND CN3_C 10 VSS CP3V CN3_C 11 V0 CN3_C 4 RES CN3_C 7 SI GND C91 K1u 16V C92 K1u CN3_C 8 VDD CN3_C 2 OTP_PWR CN3_C 6 SCL CN3_C 12 GND TCK TDO TDI GND_J TMS GND UTX GND URX VBAT BAT BAT VBAT C10 NC RA3 330 CHG_CTRL SOFT_A SOFT_C RTCK ATSTN ATSTP CD CHG_CUR CHG_DET CS OTP RESET RSTN SCL SID VBAT_MON VDDC C2 22u 6 3...

Страница 75: ...ANT Short STAR5 STAR7 STAR8 STAR9 GND L802 NC GND C803 NC C804 NC C806 NC C805 NC GND SHORT1 ANT Short GND R81 NC SHORT2 GND GND GND GND SHORT3 C807 2p C808 1 3p GND GND C72 NC C73 NC C71 68p C70 68p GND GND C809 1 5p C810 15p C801 2p R34 390 C12 10u 1608 MIC POWER RECEIVER RECEIVER Speakerphone_SP Speakerphone_SP MIC MIC RF BLOCK Headset_RECEIVER Tx balun SL W 0 3 L 40mm MSL Wm 0 4mm Lm 10mm Pre ...

Страница 76: ...76 KX TG6841BXB KX TGA680BXB Memo ...

Страница 77: ...Q141 C891 C892 C893 C894 C895 Q161 C896 C897 R115 R501 R509 R701 R702 R510 R511 R131 R133 GAP1 C101 C102 R141 C115 C501 C502 C503 C504 C505 C506 C507 C508 C509 R160 R162 R164 C510 R165 C511 X501 C515 C516 C517 C518 C519 C132 DA802 C520 C522 C142 C341 C342 C343 C344 C161 D101 C164 C167 RA651 RA652 RA653 IC501 L803 L804 D142 D143 Q651 Q652 R502 R503 R504 R506 R168 C871 C872 C873 C874 KX TG6841 CIRCU...

Страница 78: ...21 R351 C122 R352 C123 C124 R354 R161 R355 R163 C513 C321 C322 C133 R171 R172 R175 C521 RA611 R176 R177 C331 R371 R372 R373 C151 C152 C351 C352 C163 C168 RA451 RA452 C171 C173 D113 C175 C176 C178 C181 C184 C185 C186 IC302 D133 D153 D361 D362 ANT2 S GND ANT2 Short ANT1 S GND ANT1 Short L1T L1R TCK TDI TDO TMS DCM DCP RSTN VDDC STM CKM P15 RTCK SPN SPP VBAT 3 0V VREF VCCA CHARGE CHARGE UGND URX UTX ...

Страница 79: ... 6 9 LOCAT MSG SP PHONE LED901 LED902 LED904 DOWN CELL1 CELL2 R906 STOP C901 C902 FLASH RPT ERASE SKIP HOLD UP MIC SOFT_C SOFT_L SOFT_R ANS LED911 LED912 C912 KX TG6841 CIRCUIT BOARD Base Unit_Operation Component View PNLB2165Zࠉ IG TG787xH㸭TG784xH TG684xH PbF A KX TG6841 CIRCUIT BOARD Base Unit_LED Component View PNLB1964Z PbF IG ...

Страница 80: ...80 KX TG6841BXB KX TGA680BXB Memo ...

Страница 81: ... L8 IC3 IC4 TMS R21 R22 R23 R24 R25 R26 Q2 R27 Q3 R28 Q4 Q6 Q9 R31 R32 R33 R1 R2 R3 R4 CKM STM R6 R7 R8 R9 R45 R66 R67 R68 R69 R70 CN4 X1 C10 C11 C13 C14 C15 C16 C17 C18 BAT BAT RESET RSTN ATSTN ATSTP CD OTP CS VDDC SCL VBAT_MON CHG_CUR SID CHG_DET CHG_CTRL SPM SPP URX UTX MIC MIC VBAT GND C803 C804 L802 Q10 Q11 Q12 C 8 0 5 C 8 0 6 C2 C3 R10 R11 R12 R13 R19 R20 HAK_CL1 RF SHIELD R71 R72 L 8 0 1 R8...

Страница 82: ... KX TGA680BXB 15 4 2 Bottom View CN3_C 0 1 3 2 4 AST 5 6 7 8 9 LED1 LED3 LED2 LED4 LED5 LED6 L E D 2 0 LEFT DOWN FLASH RIGHT NR SP OFF SHARP UP MIC SOFT_A SOFT_C TALK KX TGA680 CIRCUIT BOARD Handset_Main Bottom View A ...

Страница 83: ...arts List 16 1 Cabinet and Electrical Parts Base Unit Note 1 This cable is fixed by heat sealing Refer to How to Replace the Base Unit LCD P 49 Ref No Figure A 2 6 x 8mm 1 14 A 15 16 2 3 1 4 5 6 A A 11 7 12 8 9 10 13 PCB2 PCB1 A 18 19 20 19 E1 1 E2 E4 E3 A MIC1 17 ...

Страница 84: ... HHR 4MRT is available through sales route of Panasonic 3 Attach the SPACER No 115 to the exact location described above Ref No 2 8 mm B Figure CUSHION RUBBER STICK IT WITHIN THE FRAMEWORK ON P C B 105 101 105 106 107 E101 1 E102 E104 E105 B E103 E106 E107 102 103 104 MIC100 E108 PCB100 108 112 113 109 110 111 116 114 115 3 117 2 B Spacer No 115 Battery cover Put it in the center Stick it between ...

Страница 85: ...85 KX TG6841BXB KX TGA680BXB 16 3 Accessories A1 A2 A3 ...

Страница 86: ...ment Resistor Type ECFD Semi Conductor ECQS Styrol ECUV PQCUV ECUE Chip ECQMS Mica ECCD ECKD ECBT F1K ECUV Ceramic ECQE ECQV ECQG Polyester ECEA ECST EEE Electlytic ECQP Polypropylene Wattage Type Voltage Of Capacitor 10 16 1 8W 14 25 1 4W 12 1 2W 1 1W 2 2W 3 3W Voltage ECQ Type ECQG ECQV Type 05 50V 1 100V 2 200V ECSZ Type 0J 6 3V 1A 10V 1C 16V 1E 25 25V 1V 35V 50 1H 50V 1J 16V 2A 100V 0F 3 15V 1...

Страница 87: ...4 ECUV1C105KBV 1 C321 ECUV1C105KBV 1 C341 F2G0J102A148 1000 C342 ECUE1A104KBQ 0 1 C344 F2G0J102A148 1000 C351 ECUV1C105KBV 1 C451 PQCUV0J106KB 10 S C457 ECUE1C333KBQ 0 033 S C458 ECUE1C333KBQ 0 033 S C459 ECUE1H102KBQ 0 001 S C501 ECUE1A104KBQ 0 1 Safety Ref No Part No Part Name Description Remarks C502 ECJ1VB0G106M 10 S C503 ECJ1VB0G106M 10 S C504 ECUE0J105KBQ 1 C505 ECJ1VB0G106M 10 S C506 ECUE0J...

Страница 88: ...D4 B3ACB0000190 LED LED5 B3ACB0000190 LED LED6 B3ACB0000190 LED LED20 B3AFB0000561 LED COIL L801 G1C2N7Z00009 COIL RESISTOR ARRAYS RA2 D1H83314A013 RESISTOR ARRAY S RA3 EXB24V331J RESISTOR ARRAY RA4 EXB24V332JX RESISTOR ARRAY RA5 EXB28V332JX RESISTOR ARRAY IC FILTER L3 J0JDC0000045 IC FILTER RESISTORS R2 D0GA303JA021 30k R3 D0GA152JA021 1 5k R4 D0GA473JA021 47k R6 D0GA103JA021 10k R7 D0GA104JA021 ...

Страница 89: ...1 5p C810 ECUE1H150JCQ 15p S OTHERS MIC100 L0CBAY000053 MICROPHONE E101 L5DYBYY00001 LIQUID CRYSTAL DISPLAY 3 S E102 PNHR1756Z TRANSPARENT PLATE LCD PMMA HB E103 PNHR1755Z GUIDE LCD ABS HB E104 PNHX1618Z COVER LCD SHEET E105 PQHG10729Z RUBBER PARTS RECEIVER E106 PNVE1011Z BATTERY TERMINAL ABS HB E107 PNJT1141Z CHARGE TERMINAL L E108 PNJT1140Z CHARGE TERMINAL R CN4 K2HD103D0001 JACK F1 K5H252Y00002...

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