Panasonic KX-TG234SK Скачать руководство пользователя страница 44

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KX-TG234SK/KX-TGA470B

11 Disassembly and Assembly Instructions

11.1. Disassembly Instructions

11.1.1. Base Unit

Remove the 5 screws to remove
the cabinet cover.

Remove the solders.

Remove the pararell wire
to remove the main P.C. board.

Solders

Cabinet cover

Main P.C. board

Pararell wire

5 screws

Содержание KX-TG234SK

Страница 1: ...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 TG...

Страница 2: ...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 hazard...

Страница 3: ...2 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 H...

Страница 4: ...s 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 pl...

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 sid...

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 Discrimina...

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 synchronizatio...

Страница 8: ...ta 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 ra...

Страница 9: ...TECT 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 KEY...

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: ...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...

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 REG...

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: ...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 conditio...

Страница 15: ...itored 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 o...

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...

Страница 17: ...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 a...

Страница 18: ...KM 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...

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: ...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 pi...

Страница 21: ...k 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...

Страница 22: ...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 D...

Страница 23: ...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 ANT...

Страница 24: ...tructions 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...

Страница 25: ...ter 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 New Data 1 4 Select Write EEP usi...

Страница 26: ...ess 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...

Страница 27: ...l 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 New Data 1 4 Select Write EEP...

Страница 28: ...tents 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...

Страница 29: ...rvice 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 defa...

Страница 30: ...n 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 leve...

Страница 31: ...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 YE...

Страница 32: ...cuit 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...

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 b...

Страница 34: ...X 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...

Страница 35: ...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 Uni...

Страница 36: ...k 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...

Страница 37: ...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...

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 operati...

Страница 39: ...efer 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 Che...

Страница 40: ...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...

Страница 41: ...ance 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...

Страница 42: ...n 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 han...

Страница 43: ...ler 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 re...

Страница 44: ...embly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit Remove the 5 screws to remove the cabinet cover Remove the solders Remove the pararell wire to remove the main P C board Solders Cabin...

Страница 45: ...45 KX TG234SK KX TGA470B Remove the 2 screws to remove the Jack holder Remove the 4 screws to remove the operational P C B board Jack holder 4 screws Operational P C B board 2 screws...

Страница 46: ...lders and tape Remove the 2 screws to remove the 2 charge terminals Remove the screw to remove the main P C board Main P C board Screw 2 charge terminals 2 screws Cabinet cover Cabinet body Cabinet co...

Страница 47: ...47 KX TG234SK KX TGA470B 11 1 3 Charger Unit Remove the screw to remove the cabinet cover Remove the solders to remove the 2 charge terminals Screw Solders Main P C board 2 charge terminals...

Страница 48: ...ng 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...

Страница 49: ...49 KX TG234SK KX TGA470B Attach the LCD and fix by hook A two points A...

Страница 50: ...ed 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 so...

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 s...

Страница 52: ...T 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...

Страница 53: ...ppear change the port number or check the cable connection 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...

Страница 54: ...rom 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 powe...

Страница 55: ...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...

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 Met...

Страница 57: ...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 D...

Страница 58: ...1 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 down...

Страница 59: ...efault 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 com...

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: ...y 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...

Страница 62: ...ng 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 c...

Страница 63: ...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...

Страница 64: ...e 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 Sol...

Страница 65: ...8 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 Cathod...

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

Страница 67: ...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 li...

Страница 68: ...63 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 M...

Страница 69: ...2 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...

Страница 70: ...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...

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

Страница 72: ...O 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...

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 2...

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: ...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 C...

Страница 78: ...78 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...

Страница 79: ...DIAL 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...

Страница 80: ...80 KX TG234SK KX TGA470B Memo...

Страница 81: ...826 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...

Страница 82: ...ottom 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 CIRCU...

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 R...

Страница 85: ...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...

Страница 86: ...le 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 MIC1...

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 2 8 mm B Figure...

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

Страница 89: ...tor 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 Wattag...

Страница 90: ...0J3310025 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 0...

Страница 91: ...70R 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 Pa...

Страница 92: ...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 F1G1H2...

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...

Страница 94: ...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 LIST...

Страница 95: ...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...

Страница 96: ...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 LIST...

Страница 97: ...EW 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...

Страница 98: ...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 LIST...

Страница 99: ...MPARISON 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...

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