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KX-TG7741S/KX-TG7742S/KX-TG7743S/KX-TGA470S

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. Any attempt to service or repair the product or products dealt with in this service information by anyone
else could result in serious injury or death.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by
in the Schematic Diagrams, 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 printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the
use of PbF and how it might be permissible to use Pb solder during service and repair work.

L

When you note the serial number, write down all 11 digits. The serial number may be found on the bottom of the unit.

L

The illustrations in this Service Manual may vary slightly from the actual product.

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Содержание KX-TG7741S

Страница 1: ... Cell Cellular Convergence Solution S Silver Version for U S A Handset KX TGA470S KX TG7741S Base Unit Charger Unit Model No Base Unit Handset Charger Unit Expandable KX TG7741 1 TG7741 1 TGA470 Up to 6 KX TG7742 1 TG7741 2 TGA470 1 Up to 6 KX TG7743 1 TG7741 3 TGA470 2 Up to 6 KX TGA470 1 TGA470 1 Configuration for each model KX TGA470 is also an optional accessory which contains a handset and a ...

Страница 2: ...tic Diagrams 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 t...

Страница 3: ...D 54 12 Measurements and Adjustments 55 12 1 Equipment Required 55 12 2 The Setting Method of JIG 55 12 3 Adjustment Standard Base Unit 59 12 4 Adjustment Standard Charger Unit 60 12 5 Adjustment Standard Handset 61 12 6 Things to Do after Replacing IC or X tal 62 12 7 Frequency Table 64 12 8 Bluetooth Frequency Table 65 13 Miscellaneous 66 13 1 How to Replace the LLP Leadless Leadframe Package IC...

Страница 4: ...oduct you have purchased Please call 1 800 8 BATTERY 1 800 822 8837 for information on how to recycle this battery 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 ...

Страница 5: ...n 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 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 ca...

Страница 6: ...AA R03 size 1 2 V 550 mAh Super Heterodyne PLL synthesizer Quadrature Discriminator 13 824 MHz 100 Hz Frequency Modulation 40 bit Tone DTMF Pulse Up to 48 digits Up to 24 digits Phonebook 11 days at Standby 13 hours at Talk 0 C 40 C 32 F 104 F 20 80 relative air humidity dry Approx 54 mm 34 mm 174 mm Approx 150 g Base Unit Handset Charger AC Adaptor PNLV226Z 120 V AC 60 Hz Standby Approx 0 1 W Max...

Страница 7: ... by PCM BBIC on DECT side controls the cordless telephone system which makes control data communication with BT_IC on BT Module in serial data DECT6 0 Bluetooth Headset Bluetooth Devices Cellular Phone For Link to Cell communication TGA470 Handset PSTN DC 5 5V BBIC FLASH IC601 TAM EEPROM IC611 Data TEL I F POWER QSPI FLASH IC502 Program Main PCB Audio signal PCM Control Data Bluetooth Bluetooth si...

Страница 8: ...andset 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 avoi...

Страница 9: ...o digital 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 sign...

Страница 10: ...LOCK DIAGRAM Base Unit_Main SIDE_TONE CIRCUIT Crystal 10 368MHz TR_RLY TIP RING TEL_JACK VRF VPA RF_Block IC501 BBIC DC5 5V GND DC_JACK CHARGE 3 4 2 1 D101 CHARGE DETECT Q701 Q141 Q161 REGULATOR IC302 KEY PAD LED VBAT IC611 LCD IC502 IC751 IC601 IC721 BT Module Q301 1 8V AVD VDD RF_VDD Q302 2 4V VDD_PA ...

Страница 11: ...470S 4 4 Tel Interface Circuit TX AMP SIDE TONE RX AMP CONTROL CIRCUIT CALLER ID DETECT BELL DETECT L102 SA103 P101 R141 R142 3 4 2 1 C101 D101 Q141 C102 R101 C103 R102 L101 SA101 TIP RING REGULATOR C104 C105 C106 R103 R105 C107 R104 C108 R106 ...

Страница 12: ...43S KX TGA470S 4 5 Block Diagram Base Unit_RF Part KX TG7741 7742 7743 BLOCK DIAGRAM Base Unit_RF Part 10 368 MHz IC501 RF block TXDATA ANT1 ANT2 Control Logic RXDATA Mixer Demodulator D802 D801 PLL 3856 3843MHz 3859 3845MHz Modulator ...

Страница 13: ...tor 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 the Telephone line etc They are determined by the signal path route o...

Страница 14: ...erals and analog part is insulated from VBAT by Doubler of BBIC Circuit Operation 5 5V 5 5V 3 0V 3 0V 1 8V 3 0V_CP IC501 IC302 IC502 BBIC AC Adaptor 3 0V REGULATOR QSPI FLASH VDD3 VDD1 VDD4 3 0V_CP2 IC601 TAM FLASH IC611 EEPROM VDD5 RF Part LEDs Q301 Bluetooth unit 2 4V VDD2 Q302 IC751 IC721 Startmonitor IC501 57pin VDDC 1 2 V VBAT Reset RSTN IC501_77pin BBIC chip initialize CKM STM ...

Страница 15: ...KX TG7741S KX TG7742S KX TG7743S KX TGA470S 4 6 6 1 Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits D361 R372 D362 R371 CHARGE R373 C351 F301 DCP CHARGE C306 5 5V DCM K A ...

Страница 16: ...41 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 19 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 back from Q161 is canceled by the canceller circuit of BBIC...

Страница 17: ...he voltage is monitored at pin 32 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 17 of IC501 the presence absence of a parallel connection is determined by detecting the voltage changes If the Auto disconnect f...

Страница 18: ...modulated 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 ...

Страница 19: ...e P101 L101 L102 C105 C106 R105 R106 R108 R107 IC501 23 21 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 DATA 0 500 ms 58 75 ms about 300 ...

Страница 20: ...TN CKM STM CKM STM BBIC RESET CHG_CTL CHG_DET WP CLK DATA KEYSTOROBE_A E KEYIN_1 5 CHARGE Q3 MIC Receiver Headset Jack CN431 LED Monitor SP LCD CHARGE PUMP IC4 KEYS RF part ANT1 X1 13 824 MHz EEPROM VBAT BATTERY Q5 LED LCD RSTN BELL VBAT VBAT 3V 4 0V VBAT RXn RXp RXON TXp TXn TXON KX TGA470 BLOCK DIAGRAM Handset KEY_LED CP_OFF Q6 LED KEY 4V ...

Страница 21: ...21 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 4 8 Block Diagram Handset_RF Part KX TGA470 BLOCK DIAGRAM Handset_RF Part DA801 TXON RXON RXp RXn ANT TXp TXn ...

Страница 22: ... e g ID user setting 4 9 2 Power Supply Circuit Reset Circuit Circuit Operation When power 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 Startmonitor 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 23: ... 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 power down 4 9 5 Speakerphone The hands free loudspeaker at SP and SP is used to generate the ring alarm 4 10 Circuit Operation Charger Unit Charge contr...

Страница 24: ...101 P101 L102 D101 Q141 R165 C173 R178 IC501 25 94 95 BASE_UNIT_RF_TX_ROUTE ANT ANT HANDSET_RF_RX_ROUTE IC1 28 27 C86 L74 HEADSET_JACK 5 4 R11 HANDSET SPEAKER HEADSET_JACK 2 R306 C14 R22 IC1 25 HANDSET_RF_TX_ROUTE ANT ANT BASE_UNIT_RF_RX_ROUTE IC501 2 3 27 C184 Q161 Q141 D101 L101 L102 P101 T R TEL LINE T R TEL LINE L101 P101 L102 D101 Q141 R165 C173 R178 IC501 25 94 95 BASE_UNIT_RF_TX_ROUTE ANT A...

Страница 25: ... 21 T R TEL LINE L101 C105 R105 R110 R111 R112 IC501 18 ANT BASE_UNIT_RF_RX_ROUTE IC501 2 3 69 70 IC601 HANDSET MIC R73 74 C11 13 RA4 IC1 22 23 HANDSET_RF_TX_ROUTE ANT ANT BASE_UNIT_RF_RX_ROUTE IC501 2 3 41 43 SPEAKER MIC C457 C458 RA452 IC501 37 38 94 95 BASE_UNIT_RF_TX_ROUTE ANT ANT HANDSET_RF_RX_ROUTE IC1 28 27 C86 L74 HEADSET_JACK 5 4 R11 HANDSET SPEAKER INTERCOM HANDSET TO BASE UNIT INTERCOM ...

Страница 26: ...perating 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: ...262 7664 PANA SONI see letters printed on dial keys See next page 5 Enter ٨ ٨ ٨ ٨ Address 1 6 Enter 㧖㧖 New Data 1 4 Select Write EEP using or then press or V Default Data INT Caller List V V Initial setting BACK V Set tel line BACK BACK V Set dial mode Select Set tel line using or then press or V Service Mode Read EEP Write EEP Set Addr M CLEAR SELECT PLAY INT SELECT SELECT SELECT SELECT SELECT S...

Страница 28: ... 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 7 Press a long confirmation beep will be heard 8 Press to return to standby mode After that turn the base unit power off and then power on New Data BACK CLEAR _ _ _ _ _ _ Set Addr Set Addr M M OFF Set tel line isn t appeared at Cell line only mode To back normal mode...

Страница 29: ...ation 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 㧖㧖 New Data 1 4 Select Write EEP using or then press or V OFF Default Data New Data M Caller List V V Initial setting V Service Mode Read EEP Write EEP Set Addr _ _ _ _ _ _ Set Addr Set Addr Ringer setting M INT INT...

Страница 30: ...firm the 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 Flas...

Страница 31: ...TGA470S 9 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 be reappeared 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 Transm...

Страница 33: ...d into AC outlet 1 Is output voltage of AC adaptor 5 5 V YES Check AC Adaptor Check VDD1 1 8V Test point VDD1 OK Check Power Supply Circuit NO NO NO NO RSTN Reset High YES Check Reset Circuit Check Xtal CLK 10 368MHz YES Check X501 Check BBIC Check Power Supply Circuit Reset Circuit Check X1 C8 C9 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 aro...

Страница 34: ...n Detect Circuit Auto Disconnect Circuit P 17 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 25 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: ... 1 Press 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 CLEAR Service ready BACK LCD H S last digit 0 Auto disconnect CPC enable 㨇default㨉 1 1 Auto disconnect CPC disable 2 1 2 Auto disc...

Страница 36: ...tivity of VOX level Therefore the recording of TAM is not turned off during a 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 CLEAR last digit 0 default setting normal 1 6dB up ...

Страница 37: ...ircuit Check output of BBIC Pin 41 43 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 mechanical point of view YES Is BBIC IC1 34 high at charge state Check Charge Circui...

Страница 38: ...see the frequency execute the command SFR then check 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 make link with normal working Handset Check around X501 and RF module and adjust clock frequency NO NO NO NO YES YES Is the voltage of VDD3 about 3 0V Check the RF part Does the RF clock ...

Страница 39: ...in To adjust frequency send command SFR until the frequency counter becomes13 824 MHz 55HZ Check around Power Supply Circuit Reset Circuit Adjust 3 0V Vottage to 3 0V Does Handset make link with Base Unit Correct 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 8 V YES YES YES YES Is the vo...

Страница 40: ...BU 2 2 a 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 checkin...

Страница 41: ... 42 Please 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: ... Frequency 10 368 MHz 100Hz Check X tal Frequency 13 824 MHz 100 Hz 3 TX confirmation HS Mode HS_Burst Mode 1 BS Mode BS_Burst Mode 1 1 Remove wire antenna 2 and connect spectrum analyzer to TP 2 2 Confirm TX power whether spec is satisfied Power 13 5dBm 1 Connect spectrum analyzer to TP 3 2 Confirm TX power whether satisfied spec Power 16 0dBm 4 Range Confirmation Normal HS BU Mode Normal Mode 1 ...

Страница 43: ...t distance 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...

Страница 44: ... to stop 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 Base in registering 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 oth...

Страница 45: ...fication Caller ID Call Waiting Caller ID P 18 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 ...

Страница 46: ...dset Check Voice Reception of the BT_Headset Check ph book transfer from cell Check the circuit of around PCM communication of main board and BT module Refer to Troubleshooting Guide in the Operationg Instructions Check the circuit of around RF parts of BT Module YES YES OK OK NO NG NG NG NO Unplug plug in the AC power source again Check the Check_PIN PIO01 of IC721 1 Continued to the next page Op...

Страница 47: ...cation 1 of main board and BT module AC power on PIO01 㻍 1 4sec 㻍 2 8sec 㻍0 06sec 㻍3 6sec Case1 OK Case2 NG1 fail to reset BT_IC AC power on PIO01 㻍 1 4sec If BT_IC does not work 1st and 2nd signals does not appear Case3 NG2 fail to receive of UART signals AC power on PIO01 㻍 1 4sec If BT_IC fails to receive of UART 2nd signal does not turn to HIGH Case4 NG3 fail to transmit of UART signals AC pow...

Страница 48: ...sembly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit Ԙ Remove the 5 screws to remove the cabinet cover ԙ Remove the solders Ԛ Remove the screw and pararell wire to remove the main P C board Solders ԙ Cabinet cover Main P C board Pararell wire Ԛ Ԙ 5 screws ...

Страница 49: ... TG7741S KX TG7742S KX TG7743S KX TGA470S ԛ Remove the 2 screws to remove the Jack holder Ԝ Remove the 4 screws to remove the operational P C B board Jack holder Ԝ 4 screws Operational P C B board ԛ 2 screws ...

Страница 50: ...ve the solders and tape Remove the 2 screws to remove the 2 charge terminals ԝ Ԟ Remove the screw to remove the main P C board Main P C board Ԝ Ԝ Screw Ԟ 2 charge terminals ԝ ԝ 2 screws Cabinet cover Cabinet body Cabinet cover 2 screws Ԙ Solders Tape 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 ...

Страница 51: ...741S KX TG7742S KX TG7743S KX TGA470S 11 1 3 Charger Unit Ԙ Remove the screw to remove the cabinet cover ԙ Remove the solders to remove the 2 charge terminals Ԙ Screw ԙ Solders Main P C board 2 charge terminals ...

Страница 52: ...of 60W soldering iron 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 New LCD Rubber of Soldering Iron Part No PQZZ430PRB Tip of Soldering Iron Part No PQZZ430PIR ...

Страница 53: ...53 KX TG7741S KX TG7742S KX TG7743S KX TGA470S Ԛ Attach the LCD and fix by hook A two points A ...

Страница 54: ...is not damaged Fit the heatseal of a new LCD Rubber of Soldering Iron Part No PQZZ430PRB Tip of Soldering Iron Part No PQZZ430PIR Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron New LCD 0 2 mm 0 2 mm P C board 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 ...

Страница 55: ...ecisely adjust like 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 PNZZTG7741M 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 Connect...

Страница 56: ...BATT and 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 57: ... messages 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 o...

Страница 58: ...eset baseset Type sendchar RST 4 getchk Read checksum Type getchk 5 sendchar epw Write EEPROM Type sendchar epw 03 7D 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 hs_burst Handset outputs RF power in burst test mode Type hs_burst bs_burst Base unit outputs RF powe...

Страница 59: ... C311 C509 C510 C113 C168 C152 C163 C165 C167 C104 C103 C105 C106 C477 C478 C517 C665 C666 C603 C346 R502 R105 R103 R102 R155 R152 R167 R163 R164 R157 R101 R115 R165 R161 R451 R106 R104 R603 R604 R673 R671 R656 R655 R612 R605 JTAG R607 R657 R654 R737 R731 R732 R738 L664 L663 L662 L665 RA451 RA501 RA721 D133 D153 D361 D472 D473 ANT_C3 A GRY PUR ORG SP 3 0A 5 5V CHARGE CHG CHARGE F301 DC BLU ANT2_TP...

Страница 60: ... KX TGA470S 12 4 Adjustment Standard Charger Unit When connecting the simulator equipment for checking please refer to below 12 4 1 Bottom View D1 R1 F1 R2 A PNLB2081Z IG PbF Charge Charge 12 2 W Digital Volt Meter DC POWER DC 5 5 V GND ...

Страница 61: ... C25 C 8 1 1 L 8 0 9 R806 C825 IC1 C826 D A 8 0 1 C863 C46 C803 ANT_TP ANT_Short GND ANT_Short C897 R69 R66 C69 E_SDA E_SCL E_WP R68 RTCK ATSTN TEST C44 C43 R1 C52 L9 R24 C1 C7 F1 L6 R8 R4 C35 Q9 CHG_CTRL R6 R9 D3 R73 D4 R74 C89 R34 C88 C96 C97 C39 RA4 C51 L3 C34 C17 C98 C68 C814 C24 C812 C810 C806 C822 C45 ATSTP CKM STM GND_J TMS TCK R67 TDI RSTN R807 C805 C802 C93 LED12 LED10 LED11 C91 C92 SID S...

Страница 62: ... 115200 bps FLASH2 IC502 Program D L 1 Make sure to connect the JIG cable and disconnect the DC Power in order to download the data 2 Execute the command flw441 hex 3 Connect the DC Power 4 Press the PC Enter key once 5 After a few minutes Successful upgrade is displayed on the PC indicating downloading has finished 6 Detach the JIG cable then disconnect the DC Power 7 Connect the DC Power 8 Conne...

Страница 63: ...tch file default batch file etc 1 Default batch file Execute the command default bat 2 Default batch file remaining Execute the command TGA470US_DEF_RevXXX_YYY bat 2 3 Country version batch file Execute the command TGA470US_US_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 sendcha...

Страница 64: ...4 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 12 7 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 65: ...39 2441 72 2474 7 2409 40 2442 73 2475 8 2410 41 2443 74 2476 9 2411 42 2444 75 2477 10 2412 43 2445 76 2478 11 2413 44 2446 77 2479 12 2414 45 2447 78 2480 13 2415 46 2448 14 2416 47 2449 15 2417 48 2450 16 2418 49 2451 17 2419 50 2452 18 2420 51 2453 19 2421 52 2454 20 2422 53 2455 21 2423 54 2456 22 2424 55 2457 23 2425 56 2458 24 2426 57 2459 25 2427 58 2460 26 2428 59 2461 27 2429 60 2462 28 ...

Страница 66: ...C efficiently 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 th...

Страница 67: ...e When placing 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 Sold...

Страница 68: ...d damage 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 4 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...

Страница 69: ...curacy of 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 70: ...7741H C1CB00003663 DSC7003S0L Cathode Anode B0ECKM000008 PQVDMD5S Cathode Anode B0DDCD000001 3 2 1 4 C0DBEYY00102 PSVTUMG11NTR 1 3 2 5 4 PQVDPTZT2530 B1ACGP000008 DA2J10100L Anode Cathode B3AAB0000347 LNJ237W82RA Cathode Anode 49 25 48 73 96 72 24 1 1 Reverse View 1 3 2 4 5 6 1 4 8 5 PNWITGA470BR Anode Cathode B0BC4R3A0006 C0DBZYY00357 C B E B1ADCF000040 DRC9113Z0L 2SC6054JSL C2HBCY000081 Anode Ca...

Страница 71: ...diagrams may be modified at any time with the development of new technology 14 1 3 Charger Unit Schematic Diagram Charger 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 Important Safety Notice Components identified by mark have special characteristics important ...

Страница 72: ... 3 4 5 6 7 8 R665 10k RA721 1k 1 2 3 4 5 6 7 8 3 0V R502 3 3k 3 0V C660 NC 3 0_CP2 C661 0 1u D473 NC A K D472 NC A K C474 2200p C475 2200p R507 100k ANT_C3 1 2 1 8V C458 0 033u C457 0 033u STM CKM P15 VDD5 VDD4 IC601 16M FLASH 1 CS 2 DO IO1 6 CLK 7 HOLD IO3 3 WP IO2 8 VCC 4 GND 5 DI IO0 IC721 14 RESETB 19 RF 20 GND8 21 GND9 22 GND10 23 GND11 29 USB_D 30 USB_D 31 PCM_IN 32 PCM_CLK 4 GND2 5 CTS 6 RX...

Страница 73: ...VDD2 VDD3 X501 10 368M 1 3 2 Q142 B C E Q301 Q302 Q161 B C E R162 47k R133 150k SA102 NC 2 1 L101 NC L102 NC C341 330u Q702 C101 680p C102 680p C105 680p C106 680p D133 A K D153 NC A K R155 NC 3216 R157 NC Q155 NC R156 NC C164 NC R159 0 C161 10u C168 2 2u C301 NC R163 12 R167 27 R371 1 0 5W R372 1 0 5W 16M FLASH 1 CS 2 SO SIO1 6 SCLK 7 NC SIO3 3 WP SIO2 8 VCC 4 GND 5 SI SIO0 1 VSS_LNA1 2 RF_RXn 3 ...

Страница 74: ... 10p 3 0V C811 10p GND GND GND RF_RXn RF_RXp C864 7p C863 7p C820 0 7p C837 0 9p C826 10p DA801 1 2 3 GND GND GND GND C802 1 8p C803 1 5p C804 1 8p C855 10p GND ANT2 C856 100p C841 1p GND GND DA802 1 2 3 GND ANT1 GND C858 100p C857 10p GND ANT_2 GND ANT2_TP 1 2 GND C853 10p C854 NC C844 NC GND GND C843 NC C851 10p GND C850 NC ANT_1 GND ANT1_TP 1 2 GND GND W 0 15mm L 22 4mm 1st or 4th layer W 0 15m...

Страница 75: ..._HS_LED G LCD_VDD CARBON_TEST CT1 LED912 NC A K LED914 NC A K LCD_GND LCD_SID LCD_CD LCD_SCL LCD_CS LCD_RST MSG3 1 2 MSG4 1 2 MICN MICP MIC 1 2 GND CT2 GND C903 1u 6 3V GND GND CN901 1 2 3 4 5 6 7 8 9 10 11 12 C901 1u 16V LED905 RED LED908 RED LED907 RED LED906 RED CELL1_2 1 2 CELL1_1 1 2 CELL2_1 1 2 BT_HS 1 2 CELL2_2 1 2 C902 1u 25V LED911 NC A K LED916 NC A K LED915 NC A K LED902 RED A K LED901 ...

Страница 76: ...PIO 23 5 GPIO 24 6 GPIO 25 7 GPIO 26 8 VDDC2 24 HSMIN 25 HSMIP 26 MPWR 27 HSSPOUTP 28 LOUT 29 SPOUTN 30 VCCPA 45 TXp 46 RXp 47 RXn 48 GND_RF 49 TRSW_p 50 ANT_n 51 ATST_n 52 ATST_p 81 GPIO 13 82 GPIO 14 83 GPIO 15 84 GPIO 16 85 GPIO 17 86 VDDIO2 87 GPIO 18 88 GPIO 19 89 GND 9 COREOUT 10 VBAT 11 DOUBCAPN1 12 DOUBCAPN 13 DOUBCAPP 14 DOUBCAPP1 15 DOUBOUT 16 DCIN0 LIN0 17 DCIN1 18 DCIN2 19 DCIN3 LIN1 2...

Страница 77: ... C99 NC GND GND C804 1 8p C805 2 4p C806 2 4p C810 2 5p C813 1 6p C812 8 2n L809 1p C811 100p C822 10p C826 10p C825 10p C897 24p C37 10u 1608 X1 13 824M C73 10p C72 10p GND GND L4 180n L5 NC C16 22u L9 0 R28 2 2k GND ANT_TP MIC AP1 1 2 ANT Short GND ANT Short D21 4 3V D14 4 3V D13 4 3V D22 4 3V GNDA1 CN4 Headset Jack 1 4 2 3 5 R80 100 GNDA1 GNDA1 C83 D10p L75 L10 GNDA L1 GNDA1 C82 K470p GNDA C84 ...

Страница 78: ...78 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 14 6 Schematic Diagram Handset_LED LED KX TGA470 SCHEMATIC DIAGRAM Handset_LED ...

Страница 79: ...79 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 14 7 Schematic Diagram Charger Unit J1 2 1 G A K TP1 TP2 F1 R1 1 0 5W R2 D1 1 0 5W SCHEMATIC DIAGRAM Charger Unit ...

Страница 80: ...80 KX TG7741S KX TG7742S KX TG7743S KX TGA470S Memo ...

Страница 81: ...112 C461 C109 C164 C110 C125 C186 C474 C456 C508 C512 C511 C863 C516 C820 C823 C102 C857 C826 C803 C855 C341 C513 C342 C825 C813 X501 R322 R321 R653 R652 R371 R892 R803 R806 R505 R651 R145 R144 R133 R142 R131 R141 R807 R372 R373 R703 R702 R109 R110 R108 R178 R125 R122 R123 R160 L101 L802 IC751 RA452 RA653 RA652 RA651 D143 D142 D362 Q655 Q141 Q654 KEYS_E KEYS_C LCD_BLT MSG_LED CELL1_LED R CELL2_LED...

Страница 82: ...06 C477 C478 C517 C665 C666 C603 C346 R502 R105 R103 R102 R155 R152 R167 R163 R164 R157 R101 R115 R165 R161 R451 R106 R104 R603 R604 R673 R671 R656 R655 R612 R605 JTAG R607 R657 R654 R737 R731 R732 R738 L664 L663 L662 L665 RA451 RA501 RA721 D133 D153 D361 D472 D473 ANT_C3 KX TG7741 7742 7743 CIRCUIT BOARD Base Unit_Main Bottom View A GRY PUR ORG SP 3 0A 5 5V CHARGE CHG CHARGE F301 DC BLU ANT2_TP T...

Страница 83: ...ONF REDIAL PAUSE SP MIC MIC MIC DOWN SKIP FLASH UP LED915 0 8 7 4 1 5 6 2 3 9 KX TG7741 7742 7743 CIRCUIT BOARD Base Unit_Operation Component View TG774xH TG474xH A PNLB2050Z PbF IG LED916 LED911 LED912 LED913 LED914 CELL2_2 CELL2_1 CELL1_2 CELL1_1 BT_HS LED908 LED906 LED905 R901 R903 R904 R902 C902 C903 LCD C901 LED901 LED904 LED902 C910 LED907 ...

Страница 84: ...6 C825 IC1 C826 D A 8 0 1 C863 C46 C803 ANT_TP ANT_Short GND ANT_Short C897 R69 R66 C69 E_SDA E_SCL E_WP R68 RTCK ATSTN TEST C44 C43 R1 C52 L9 R24 C1 C7 F1 L6 R8 R4 C35 Q9 CHG_CTRL R6 R9 D3 R73 D4 R74 C89 R34 C88 C96 C97 C39 RA4 C51 L3 C34 C17 C98 C68 C814 C24 C812 C810 C806 C822 C45 ATSTP CKM STM GND_J TMS TCK R67 TDI RSTN R807 C805 C802 C93 LED12 LED10 LED11 C91 C92 SID SCL CD CS RESET OTP C801 ...

Страница 85: ...70S 15 3 2 Bottom View VOL_UP CN3_C VOL_DW LED7 LED1 TALK 1 4 7 8 9 0 A 5 6 2 3 SP FLASH OFF LED3 LED5 LED6 MIC LED21 LED20 LED4 LED2 LED9 LED9 SOFT_A SOFT_B UP DOWN LEFT RIGHT SOFT_C PNLB2012Z PA KX TGA470 CIRCUIT BOARD Handset_Main Bottom View ...

Страница 86: ...86 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 15 4 Circuit Board Handset_LED A KX TGA470 CIRCUIT BOARD Handset_LED Component View PNLB1964Z PbF IG ...

Страница 87: ... KX TG7743S KX TGA470S 15 5 Circuit Board Charger Unit 15 5 1 Component View 15 5 2 Bottom View J1 CIRCUIT BOARD Charger Unit Component View PNLB2081Z IG A CIRCUIT BOARD Charger Unit Bottom View PNLB2081Z IG D1 R1 F1 R2 A PbF ...

Страница 88: ...lacement Parts List 16 1 Cabinet and Electrical Parts Base Unit Note 1 This cable is fixed by welding Refer to How to Replace the Base unit LCD P 52 E2 22 23 20 19 PCB1 PCB2 MIC1 10 7 21 E1 1 E3 15 14 11 4 2 3 5 12 13 8 9 A A 17 18 A A A 1 6 16 Ref No Figure A 2 6 x 8mm 22 ...

Страница 89: ...A is available through sales route of Panasonic 3 Attach the SPACER No 121 to the exact location described above 110 B 109 102 103 105 E105 E106 E104 E101 1 113 114 108 122 123 121 3 101 107 E103 E102 B E107 MIC100 PCB100 106 116 115 112 Ref No Ǿ2 8 mm B Figure 117 118 119 111 B 120 2 Spacer No 121 Battery cover Put it in the center Stick it between ribs CUSHION RUBBER STICK IT WITHIN THE FRAMEWOR...

Страница 90: ...90 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 16 3 Cabinet and Electrical Parts Charger Unit B 200 200 1 200 3 201 200 4 200 2 PCB200 Ref No φ2 8 mm B Figure ...

Страница 91: ...91 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 16 4 Accessories and Packing Materials 16 4 1 KX TG7741S A3 A4 A6 P2 P1 A2 A1 A5 ...

Страница 92: ...92 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 16 4 2 KX TG7742S A103 A104 A105 P102 P101 A102 P102 P103 A101 A101 A106 ...

Страница 93: ...93 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 16 4 3 KX TG7743S A203 A204 A206 P202 P202 P203 1 P202 P201 A205 A201 A202 Note 1 This pad is a piece of Ref No P201 GIFT BOX ...

Страница 94: ...94 KX TG7741S KX TG7742S KX TG7743S KX TGA470S 16 4 4 KX TGA470S Note 1 This pad is a piece of Ref No P301 GIFT BOX A302 P301 A303 P302 1 A301 ...

Страница 95: ...Fusible Resistor ERF Cement 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...

Страница 96: ...R656 D0GA101JA021 100 R657 D0GA681JA021 680 Safety Ref No Part No Part Name Description Remarks R658 D0GA122JA015 1 2k R659 D0GA102JA021 1k R660 D0GA102JA021 1k R661 D0GA102JA021 1k R665 D0GA103JA021 10k R668 D0GA561JA021 560 R671 D0GA473JA021 47k R672 D0GA473JA021 47k R673 D0GA473JA021 47k R701 ERJ3GEYJ332 3 3k S R702 D0GA103JA021 10k R703 D0GA102JA021 1k R721 ERJ2GEJ474X 470k S R731 D0GA124JA015...

Страница 97: ...OTHERS E1 L5DYBYY00021 LIQUID CRYSTAL DISPLAY 2 E2 PNHX1406Z COVER LCD SHEET E3 PNHR1386Z GUIDE LCD ABS HB P101 D4DAY220A022 THERMISTOR POSISTOR F301 K5H302Y00003 FUSE X501 H0J103500037 CRYSTAL OSCILLATOR 1 Safety Ref No Part No Part Name Description Remarks PCB2 PNWP2TG7741H OPERATIONAL P C BOARD ASS Y RTL LEDS LED901 B3AAB0000347 LED LED902 B3AAB0000347 LED LED904 B3AAB0000347 LED LED905 LNJ237W...

Страница 98: ...3JA021 10k R70 D0GA470JA021 47 R73 D0GA330JA015 33 R74 D0GA330JA015 33 R80 D0GA101JA021 100 R806 ERJ2GEJ471 470 S Safety Ref No Part No Part Name Description Remarks R807 ERJ2GEJ471 470 S L8 ERJ2GEJ100 10 S L9 ERJ2GE0R00 0 S CAPACITORS C1 EEE0JA221WP 220 C2 EEE0JA221WP 220 C3 EEE0JA221WP 220 C4 ECUE1H390JCQ 39p C5 ECUE1A104KBQ 0 1 C6 ECUE1A104KBQ 0 1 C9 ECUE1H390JCQ 39p C10 ECUE1H390JCQ 39p C11 EC...

Страница 99: ...F1150Z1 CABINET COVER PS HB 200 4 PQHA10023Z RUBBER PARTS FOOT CUSHION 201 PNGT6446Z NAME PLATE Safety Ref No Part No Part Name Description Remarks PCB200 PNWPTGA470CH MAIN P C BOARD ASS Y RTL DIODE D1 B0ECKM000008 DIODE SI JACK J1 K2ECYB000001 JACK RESISTORS R1 ERJ14YJ1R0U 1 R2 ERJ14YJ1R0U 1 FUSE F1 K5H302Y00003 FUSE Safety Ref No Part No Part Name Description Remarks Safety Ref No Part No Part N...

Страница 100: ...S KX TG7743S KX TGA470S T I N KXTG7741S KXTG7742S KXTG7743S KXTGA470S PNZZTG7741M BATCH FILE CD ROM 1 PQZZ430PIR TIP OF SOLDERING IRON 2 PQZZ430PRB RUBBER OF SOLDERING IRON 2 Safety Ref No Part No Part Name Description Remarks ...

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