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KX-TG234SK/KX-TGA470B

<How to change the Auto Disconnect activation time and VOX level>

A) Auto Disconnect activation time:

Some Telephone Company lines (fiber or cable) ON Hook and OFF Hook voltages are lower than conventional lines, which may
cause a malfunction of Auto Disconnect detection. To solve this problem, try changing the Auto Disconnect activation through
the procedures below. 

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 disconnect : enable

CPC : disable

Note:

(*1)  Both Auto Disconnect and CPC don't detect for the first 2 seconds.
(*2)  If the "Disable" is selected, even if the parallel-connected telephone is OFF HOOK, 
        the line isn't disconnected. 

Содержание KX-TG234

Страница 1: ...o KX TG234SK KX TGA470B Digital Cordless Answering System B Black Version for U S A Handset KX TGA470B KX TG4741B Base Unit Charger Unit Model No Base Unit Handset Charger Unit Expandable KX TG234 1 TG4741 4 TGA470 3 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 charger ...

Страница 2: ...s 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 ...

Страница 3: ...12 Measurements and Adjustments 51 12 1 Equipment Required 51 12 2 The Setting Method of JIG 51 12 3 Adjustment Standard Base Unit 55 12 4 Adjustment Standard Charger Unit 56 12 5 Adjustment Standard Handset 57 12 6 Things to Do after Replacing IC or X tal 58 12 7 Frequency Table 60 13 Miscellaneous 61 13 1 How to Replace the LLP Leadless Leadframe Package IC 61 13 2 How to Replace the Flat Packag...

Страница 4: ...ls shall be plugged straight in and unplugged straight out ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on worktable 4 Do not grasp IC or LSI pins with bare fingers 2 Warning 2 1 Battery Caution Risk of explosion i...

Страница 5: ... to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See the figure below 2 2 1 Suggested PbF Solder There are several types of PbF solder available commercially While this product is manufactured usin...

Страница 6: ... 0 C 40 C 32 F 104 F 20 80 relative air humidity dry Approx 200 mm 119 mm 71 mm Approx 350 g Rechargeable Ni MH battery AAA 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 32 digits Phonebook 11 days at Standby 13 hours at Talk 0 C 40 C 32 F 104 F 20 80 relative air humidity dry App...

Страница 7: ... 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 av...

Страница 8: ...ata 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 a...

Страница 9: ...ETECT 2 INUSE DETECT 1 RECEIVE AMP DCIN 1 DCIN 2 IC302 VCCPA VBAT_APU VBAT VCC_FE VCC_IF VCC_VCO PDN DET 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 CLK DO STM CKM R371 R372 Q701 Q702 CHARGE DETECT VCCA VCC KX TG234 BL...

Страница 10: ...10 KX TG234SK KX TGA470B 4 3 Block Diagram Base Unit_RF Part KX TG234 BLOCK DIAGRAM Base Unit_RF Part DA801 ANT2 ANT1 TXON RXON RXp RXn ANT2 ANT1 TXp TXn ...

Страница 11: ...e 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 t...

Страница 12: ... is insulated 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 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 ...

Страница 13: ...13 KX TG234SK KX TGA470B 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 C306 5 5V DCM ...

Страница 14: ...T L101 D101 Q141 Q161 R163 R167 D101 L102 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 signa...

Страница 15: ...nitored at 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 an...

Страница 16: ...n 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 ot...

Страница 17: ...a pass the following route Telephone Line P101 L101 L102 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 DAT...

Страница 18: ...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 19: ...19 KX TG234SK KX TGA470B 4 6 Block Diagram Handset_RF Part KX TGA470 BLOCK DIAGRAM Handset_RF Part DA801 TXON RXON RXp RXn ANT TXp TXn ...

Страница 20: ...r setting 4 7 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 EEPROM GND...

Страница 21: ...ck 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 7 5 Speakerphone The hands free loudspeaker at SP and SP is used to generate the ring alarm 4 8 Circuit Operation Charger Unit Charge control is execu...

Страница 22: ...T 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 R73 74 C11 13 RA4 IC1 22 23 HANDSET_RF_TX_ROUTE ANT IC601 IC501 73 74 28 C184 Q161 Q141 D101 L101 L102 P101 T R TEL LINE T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171...

Страница 23: ... RF TX_ROUTE HANDSET RF RX_ROUTE BASE UNIT RF TX_ROUTE BASE UNIT RF RX_ROUTE IC1 44 45 L809 C812 DA801 C803 C801 ANT ANT C801 C803 DA801 C826 IC1 46 47 IC501 44 45 C812 L809 DA801 C895 DA802 C894 C893 ANT1 ANT2 ANT1 ANT2 C894 C893 DA802 C895 DA801 C826 IC501 46 47 Note inside of Handset ...

Страница 24: ...structions 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 25: ... After that turn the base unit power off and then power on Note To enter Set dial mode press or at Set tel line It is necessary to turn on the power of base unit 6 Enter 㧖 㧖 New Data 1 4 Select Write EEP using or then press or V Default Data New Data INT Caller List V V Initial setting BACK V Set tel line BACK BACK BACK CLEAR V Set dial mode Select Set tel line using or then press or V Service Mod...

Страница 26: ...ress Default Data New Data Remarks 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 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 27: ...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 BACK BACK ...

Страница 28: ...ntents 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 29: ...ervice 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 30: ...an 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 33 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 Transmi...

Страница 31: ...s 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 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 around BATT and BATT ...

Страница 32: ...rcuit Auto Disconnect Circuit P 15 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 33: ...NU 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 disconnect enab...

Страница 34: ...OX 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 35: ...k 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 mechanical point of view YES Is BBIC IC1 34 high at charge state Check Charge Circuit Check Pow...

Страница 36: ...ck the TP_CKM IC501 57pin To adjust frequency send command SFR until the frequency counter becomes13 824 MHZ 55HZ Check around Power Supply Circuit Adjust 3 0V voltage to 3 0 V 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 VBAT about 3 0 V Check the RF part Does the RF clock CLK oscillate at 13 ...

Страница 37: ...t 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 2 V YES YES YES YES Is the voltage of TP...

Страница 38: ... 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 Registra...

Страница 39: ...refer to the each item Note 1 Refer to Check Link P 36 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 40: ...k 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 Mode ...

Страница 41: ...tance 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 t...

Страница 42: ...en 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 other handsets...

Страница 43: ...ller ID Call Waiting Caller ID P 16 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 Calli...

Страница 44: ... 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 pararell wire to remove the main P C board Solders ԙ Cabinet cover Main P C board Pararell wire Ԛ Ԙ 5 screws ...

Страница 45: ...45 KX TG234SK KX TGA470B 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 46: ...ers 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 47: ...47 KX TG234SK KX TGA470B 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 48: ...ering 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 49: ...49 KX TG234SK KX TGA470B Ԛ Attach the LCD and fix by hook A two points A ...

Страница 50: ...ged 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 Horizontal ...

Страница 51: ... 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 PNZZTG4741M 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 Connec...

Страница 52: ...TT 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 53: ...ppear 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 serial ...

Страница 54: ...prom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written bs_burst Base unit outputs RF power in burst test mode on antenna 2 Type bs_burst tx_high Keep TX power high Type tx_high tx_low Keep TX power low Type tx_low 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...

Страница 55: ...8 R113 R121 R112 R152 R114 R166 R177 R178 R601 R612 R606 R605 R136 RA504 D113 D153 D133 R451 C451 RA451 C452 Q171 R171 C115 C121 C112 SPP SPN C122 C163 C176 C175 C173 C132 C351 C601 C456 C301 F301 C461 C120 C123 C124 C666 C455 C454 MIN MIP C472 C473 C475 C510 C530 C513 C512 C514 C331 R111 R115 R122 R176 R175 R172 R133 R131 L1T L1R ANT1 ANT2 R506 R653 TMS TCK TDI TDO RSTN STM CKM P15 R505 Q652 R503...

Страница 56: ... 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 57: ...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 SCL CD CS RE...

Страница 58: ...51 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 55 to download the data 2 Default batch file Execute the command default bat 3 Country version batch file Execute the command TG4741US_US_RevXXX_YYY bat 1 4 Clock adjustment X tal X1 System clock Clock adjustm...

Страница 59: ...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 sendchar sfr the...

Страница 60: ...60 KX TG234SK KX TGA470B 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 61: ...ly 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 periphera...

Страница 62: ...ing 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 Solderin...

Страница 63: ...e 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 j...

Страница 64: ...he 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: ...08 PQVDMD5S Cathode Anode B0DDCD000001 3 2 1 4 C0DBEYY00102 PSVTUMG11NTR 1 3 2 5 4 1 88 67 23 44 22 66 45 Reverse View PQVDPTZT2530 B1ACGP000008 DA2J10100L Anode Cathode B3AAB0000347 LNJ237W82RA Cathode Anode 1 3 2 4 5 6 1 4 8 5 PNWITGA470BR Anode Cathode B0BC4R3A0006 C0DBZYY00357 C B E B1ADCF000040 DRC9113Z0L 2SC6054JSL C2HBCY000081 Anode Cathode B0DDCD000001 1 88 67 23 44 22 66 45 Reverse View B...

Страница 66: ...66 KX TG234SK KX TGA470B Memo ...

Страница 67: ...y 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 for safety ...

Страница 68: ...863 1 5p GND C810 2 4p WBX01 AP1 13pin PARALLEL WIRE R502 33 URX ANT2 TMS C811 10p GND GND C516 0 1u LCD_CS LCD_RST LCD_CD LCD_SCL LCD_SID LCD_GND ANS_LED MSG_LED LCD_BLT LCD_VDD KEYIN6 KEYS_A KEYS_B MICN KEYIN3 KEYS_C MICP SP_LED NC KEYIN1 KEYIN5 KEYIN4 LED_VDD KEYS_E KEYIN2 KEYS_D C653 NC C654 NC C655 NC C656 NC C659 NC C657 NC C658 NC L661 NC L662 NC L663 NC L664 NC L665 NC 3 0V R510 NC C661 0 ...

Страница 69: ...12 0 047u C321 1u 5 5V C501 0 1u C510 K1u R178 1k C520 0 1u C164 NC C451 10u VDDC HAK_CL1 CHG R331 68k C322 NC VBG R136 100k GND R115 NC R322 100 R321 140 C306 NC R702 1k IC302 3 IN 2 OUT1 1 ADJ 4 OUT2 D142 30V A K D361 NC A K C502 10u C503 10u C50510u C511 10u Q701 D362 A K C701 NC C178 0 022u C343 10p Q142 B C E IC611 64K EEPROM 1 A0 2 A1 6 SCL 7 WP 3 A2 8 VCC 4 VSS 5 SDA R332 33k Q161 B C E RA6...

Страница 70: ...D 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 RED A ...

Страница 71: ...71 KX TG234SK KX TGA470B Memo ...

Страница 72: ...IO 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 20 VREF 21 V...

Страница 73: ... 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 K1000p L7 G...

Страница 74: ...74 KX TG234SK KX TGA470B 14 5 Schematic Diagram Handset_LED LED KX TGA470 SCHEMATIC DIAGRAM Handset_LED ...

Страница 75: ...75 KX TG234SK KX TGA470B 14 6 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 76: ...76 KX TG234SK KX TGA470B Memo ...

Страница 77: ...5 R502 R511 L101 L102 L501 IC302 IC501 D143 D142 DA801 RA652 RA651 Q141 C652 C659 C654 R668 C651 C658 C653 C655 C165 C164 SA101 SA103 SA102 C894 P101 C508 C509 C505 C506 C172 C503 C501 C810 C322 C321 C893 C805 C813 C812 C859 C896 C519 C518 C516 C515 C826 X501 R652 R651 R807 R161 R164 R145 R151 C701 R892 R510 R160 R703 R701 R373 Q701 Q702 R501 R509 R322 R321 C657 R657 R655 R654 Q653 Q651 C656 R656 ...

Страница 78: ...178 R601 R612 R606 R605 R136 RA504 D113 D153 D133 R451 C451 RA451 C452 Q171 R171 C115 C121 C112 SPP SPN C122 C163 C176 C175 C173 C132 C351 C601 C456 C301 F301 C461 C120 C123 C124 C666 C455 C454 MIN MIP C472 C473 C475 C510 C530 C513 C512 C514 C331 R111 R115 R122 R176 R175 R172 R133 R131 L1T L1R ANT1 ANT2 R506 R653 TMS TCK TDI TDO RSTN STM CKM P15 R505 Q652 R503 VCCA VREF VBAT VBG 3 0V VDDC RTCK R33...

Страница 79: ...EDIAL PAUSE SP MIC MIC MIC DOWN SKIP FLASH UP LED915 0 8 7 4 1 5 6 2 3 9 KX TG234 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 80: ...80 KX TG234SK KX TGA470B Memo ...

Страница 81: ...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 C804 C813 C...

Страница 82: ...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 83: ...83 KX TG234SK KX TGA470B 15 4 Circuit Board Handset_LED A KX TGA470 CIRCUIT BOARD Handset_LED Component View PNLB1964Z PbF IG ...

Страница 84: ... KX TGA470B 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 85: ...t 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 48 E2 19 20 17 16 PCB1 PCB2 MIC1 10 7 12 E1 1 E3 8 9 11 18 4 2 3 5 A A 14 15 A A A 1 6 13 Ref No Figure A 2 6 x 8mm 22 ...

Страница 86: ...ble 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 FRAMEWORK ON P C B ...

Страница 87: ...87 KX TG234SK KX TGA470B 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 88: ...88 KX TG234SK KX TGA470B 16 4 Accessories A1 A2 A3 A4 A5 ...

Страница 89: ...esistor 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 16V 2A 1...

Страница 90: ...G0J3310025 330 C342 ECUV1C104KBV 0 1 C343 ECUE1H100DCQ 10p S C351 ECUV1C105KBV 1 Safety Ref No Part No Part Name Description Remarks C451 PQCUV0J106KB 10 S C452 ECUE1H100DCQ 10p S C457 ECUE1C333KBQ 0 033 S C458 ECUE1C333KBQ 0 033 S C459 ECUE1H102KBQ 0 001 S C476 ECUE1H100DCQ 10p S C477 ECUE1H100DCQ 10p S C478 ECUE1H100DCQ 10p S C479 ECUE1H100DCQ 10p S C501 ECUE1A104KBQ 0 1 C502 ECJ1VB0G106M 10 S C...

Страница 91: ...470R MAIN P C BOARD ASS Y RTL 1 ICs IC1 C2HBCY000081 IC IC3 PNWITGA470BR IC EEPROM 2 IC4 C0DBZYY00357 IC TRANSISTORS Q2 B1ADCF000040 TRANSISTOR SI Q3 B1ABGE000011 TRANSISTOR SI Safety Ref No Part No Part Name Description Remarks Q4 B1ADCF000040 TRANSISTOR SI Q5 DRC9113Z0L TRANSISTOR SI Q6 DRC9113Z0L TRANSISTOR SI Q9 2SC6054JSL TRANSISTOR SI S DIODES D13 B0BC4R3A0006 DIODE SI D14 B0BC4R3A0006 DIODE...

Страница 92: ...8 ECUE1H100DCQ 10p S C89 ECUE1H100DCQ 10p S C90 ECUE1A104KBQ 0 1 C91 ECUV1C105KBV 1 C92 ECUE0J105KBQ 1 C93 ECUV1C105KBV 1 C96 ECUE1H100DCQ 10p S C97 ECUE1H100DCQ 10p S C801 ECUV1H100DCV 10p C802 F1G1H2R0A480 2p C803 F1G1H1R3A480 1 3p C804 F1G1H1R8A480 1 8p C805 F1G1H2R4A480 2 4p C806 F1G1H2R4A480 2 4p Safety Ref No Part No Part Name Description Remarks C810 F1G1H2R5A480 2 5p C811 ECUE1H101JCQ 100p...

Страница 93: ... T I KXTG234SK KXTGA470B Safety Ref No Part No Part Name Description Remarks A1 PNLV226Z AC ADAPTOR A2 PQJA10075Z CORD TELEPHONE A3 PNQX5092Z INSTRUCTION BOOK 1 A4 PNKE1132Z1 HANGER BELT CLIP ABS HB A5 PNKL1001Y1 STAND WALL MOUNT ABS HB Safety Ref No Part No Part Name Description Remarks A XTB26 8GFJ TAPPING SCREW B XTB2 8GFJ TAPPING SCREW Safety Ref No Part No Part Name Description Remarks PQZZ1C...

Страница 94: ...l No KX TG234SK KX TGA470B Digital Cordless Answering System B Black Version for U S A TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Supplement 1 Please file and use this supplement manual together with the service manual for Model No KX TG234SK KX TGA470B Order No KM41202541CE ...

Страница 95: ...2 Change of material or dimension 3 To meet approved specification 4 Standardization 5 Addition 6 Deletion 7 Correction 8 Other Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix Main P C Board Parts Handset C1 EEE0JA221WP CAPACITOR 220µF 0 c 6 V C3 EEE0JA221WP CAPACITOR 220µF 0 c 6 V Cabinet and Electrical Parts Base Unit 20 PNGT7049Z NAME PLATE Made...

Страница 96: ...l No KX TG234SK KX TGA470B Digital Cordless Answering System B Black Version for U S A TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Supplement 2 Please file and use this supplement manual together with the service manual for Model No KX TG234SK KX TGA470B Order No KM41202541CE ...

Страница 97: ...NEW PARTS COMPARISON LISTS 1 Improve performance Remarks j To meet the standards 2 Change of material or dimension 3 To meet approved specification 4 Standardization 5 Addition 6 Deletion 7 Correction 8 Other Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix Cabinet and Electrical Parts Handset 104 PNGT6775Z PNGT7242Z NAME PLATE Made in Malaysia 1 j ...

Страница 98: ...l No KX TG234SK KX TGA470B Digital Cordless Answering System B Black Version for U S A TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Supplement 3 Please file and use this supplement manual together with the service manual for Model No KX TG234SK KX TGA470B Order No KM41202541CE ...

Страница 99: ...OMPARISON LISTS 1 Improve performance Remarks m Discontinued To be replaced with a new part 2 Change of material or dimension 3 To meet approved specification 4 Standardization 5 Addition 6 Deletion 7 Correction 8 Other Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix Cabinet and Electrical Parts Base Unit 20 PNGT7049Z PNGT7737Z NAME PLATE Made in M...

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