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KX-TG2873BXS/KX-TGA280BXS

12.2. The Setting Method of JIG (Base Unit)

12.2.1. Preparation

12.2.1.1. Equipment Required

• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm).

Hewlett Packard, 53131A is recommended.

• Digital multi-meter (DMM): it must be able to measure voltage and current.
• Oscilloscope

12.2.1.2. JIG and PC

• Serial JIG

JIG Cable: PQZZ1CD300E*

• PC which runs in DOS mode
•

Batch file CD-ROM

for setting: PQZZTG2873BX

Note:

*: If you have the JIG Cable for TCD500 series
(PQZZ1CD505E), change the following values of resis-
tance.

12.2.2. PC Setting

12.2.2.1. Connections

Connect the AC adaptor to CN101 (base unit).

Connect the JIG Cable GND (black).

Connect the JIG Cable URX (red) and UTX (yellow).

Note:

*: COM port names may vary depending on what your PC calls it.

Resistor

Old value (k

Ω

)

New value (k

Ω

)

3.3

4.7

Содержание KX-TG2873BXS

Страница 1: ...ights reserved Unauthorized copying and distribu tion is a violation of law ORDER NO KM40607135CE Telephone Equipment KX TG2873BXS KX TGA280BXS Expandable Digital Cordless Answering System Silver Version for Asia Middle Near East and Other areas ...

Страница 2: ...2 KX TG2873BXS KX TGA280BXS ...

Страница 3: ... Cordless Handset 57 12 Measurements and Adjustments 58 12 1 Things to Do after Replacing IC 58 12 2 The Setting Method of JIG Base Unit 59 12 3 The Setting Method of JIG Cordless Handset 60 12 4 Batch file Settings 61 12 5 Commands 61 12 6 Adjustment of Base Unit 62 12 7 Adjustment of Cordless Handset 63 12 8 Base Unit Reference Drawing 64 12 9 Cordless Handset Reference Drawing 65 12 10 Frequenc...

Страница 4: ...lder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on the PCB For service and repair work we suggest using the same type of solder Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C higher than Pb solder Please use a soldering iron with temperature control a...

Страница 5: ...k the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materi als 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 2 2 How to Recognize that Pb Free Solder is Used Example Cordless handset P C B Component View Note The location of the PbF mark is ...

Страница 6: ...6 KX TG2873BXS KX TGA280BXS 3 Specifications ...

Страница 7: ...t and Cordless Handset are shared in the same frequency The construc tion of RX TX frequency data is shown below It consists of 6 slots from the Base Unit to the Cordless Handset and 6 slots from the Handset to the Base Unit total 12 slots in 10ms By this slot system simultaneous air link and communication between 6 Cordless Handset and the Base Unit can be realized One communication between Cordl...

Страница 8: ...eration unit To antenna ACFL SP AMP SPOUT KEYTONE CIDIN CIDIN HFMIC IC302 Input AC 220 V 240 V 50 60 Hz Output DC 6 5 V 500 mA Q304 IC301 IC200 SPCNT LSR LSR HSMIC HSMIC X2 10 368MHz 5V BB1 8V BB3 0V IC4 Q109 Q123 Q121 CN101 Q1 D7 IC300 IC201 Q120 Q901 IC100 Q110 PC100 PC101 Q407 DP Pulse SW Hook SW Power Feeding Circuit Automatic hold releasing circuit Parallel connection detection Incoming call ...

Страница 9: ...ection is performed during Record Play back and Line Monitoring modes of operation When the DTMF data from the Handset is received the DTMF signal is output Caller ID demodulation The DSP implements monitor and demodulate the FSK signals that provide CID information from the Central Office Analog Switching The voice signal from telephone line is transmitted to the speaker or the voice signal from ...

Страница 10: ... voltage of each block Circuit Operation Q304 and IC302 5 5V DCDC Converter IC301 5 0V Regulator IC601 3 45V Regulator Q115 3 0V IC4 I O Voltage Q114 1 8V IC4 Internal Voltage The voltage of 5V regulated in IC301 is controlled by IC4 to be made into IC4 s I O voltage of BB3 0V at Q115 and IC4 s internal power supply of BB1 8V at Q114 ...

Страница 11: ...80BXS 4 3 4 Reset Circuit Function This circuit is used to initialize the microcomputer when it incorporates an AC adaptor Circuit Operation The system is reset when IC4 s BBIC internal voltage of BB1 8V goes down below 1 65V ...

Страница 12: ...n R119 PC100 IC4 Pin 63 BELL Clip Calling Line Identification presentation Caller ID signal detection The Clip signal voltage is transferred as follows A L101 C900 R904 C904 R914 IC4 Pin 107 CIDin B L101 C901 R905 C905 R913 IC4 Pin 112 CIDin ON OFF HOOK Circuit Q104 is turned ON when IC4 detects the Ring signal the handset of base unit is off hook or the TALK key of the handset is pressed This cau...

Страница 13: ...3BXS KX TGA280BXS 4 3 6 Transmitter Receiver Base unit and handset mainly consist of RF Module and BBIC Base unit and handset transmit receive voice signal and data signal through the antenna on carrier frequency ...

Страница 14: ...ceiver RF_UNIT IC700 ANT X1 10 368MHz EEPROM IC2 LCD Speaker Charge Control Q500 Q501 Q502 LCD_Light LED2 3 4 Q101 D501 ANT_LED KEY_Light LED5 6 7 8 Q100 Power Circuit IC300 IC301 Q300 Q301 Q302 MIC Charge Battery BBIC IC1 KEYS KX TGA280 BLOCK DIAGRAM Cordless handset ...

Страница 15: ...SP and RF part as shown in the block diagram 4 5 1 1 BBIC IC1 Function Battery Low Power down detect circuit Ringer Generation Interface circuit RF part Speaker Mic LED Key scan LCD Initial waves 4 5 1 2 RF part Mainly voice signal is modulated to RF or it goes the other way 4 5 1 3 EEPROM IC2 ALL setting data is stored ...

Страница 16: ... KX TG2873BXS KX TGA280BXS 4 5 2 Power Supply Circuit Circuit Operation When power on the Cordless Handset the voltage is as follows BATTERY 2 2 V 2 6 V J1 L502 L300 D300 Q300 3 4 V Q302 1 8 V Q301 2 5 V ...

Страница 17: ...Adaptor DC 6 5V R1 R2 R3 R4 CHARGE Charger CHARGE Cordless Handset Q502 D501 L502 BATTERY Battery BATTERY L503 GND R504 CHARGE Cordless Handset CHARGE Charger GND DC GND In this way the BBIC on Cordless Handset detects the fact that the battery is charged The charge current is controlled by switching Q500 of Cordless Handset 4 5 4 Ringer and Handset SP Phone ...

Страница 18: ...y BBIC which check the voltage from battery The detected voltage is as follows Battery Low Battery voltage V Batt 2 3V 50mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt 2 1V 50mV The BBIC detects this level and power down 4 6 Circuit Operation Charger Unit 4 6 1 Power Supply Circuit The power supply is as shown ...

Страница 19: ...19 KX TG2873BXS KX TGA280BXS 4 7 Signal Route Each signal route is as follows ...

Страница 20: ...20 KX TG2873BXS KX TGA280BXS Each signal route is as follows ...

Страница 21: ...21 KX TG2873BXS KX TGA280BXS 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit 5 1 2 Charger Unit 5 1 3 Cordless Handset ...

Страница 22: ...22 KX TG2873BXS KX TGA280BXS 5 2 Display 5 2 1 Base unit Display Items 5 2 2 Cordless Handset Display Items ...

Страница 23: ...23 KX TG2873BXS KX TGA280BXS 6 Installation Instructions 6 1 Connections ...

Страница 24: ...ote for service The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully charged In that case by recharging the battery as mentioned above you will get a correct indication of the battery strength 6 3 1 Battery Strength ...

Страница 25: ...25 KX TG2873BXS KX TGA280BXS 6 3 2 Battery Performance ...

Страница 26: ...Instructions 7 1 Guide to Cordless Handset Programming Note for service When the display language is in Thai press F1 0 4 9 and F1 then the display language will be changed into English 7 1 1 Programming by Scrolling Through the Display Menus ...

Страница 27: ...27 KX TG2873BXS KX TGA280BXS 7 1 2 Programming Using the Direct Commands ...

Страница 28: ...ebook as emergency numbers numbers stored with a at the beginning of the name can be dialed using the phonebook You can dial by pressing the one touch dial buttons We recommend storing emergency numbers in the phonebook or the one touch dial buttons before using this feature When dial lock is turned on you cannot store edit or erase items in the phonebook or the one touch dial button 7 2 1 To Turn...

Страница 29: ...29 KX TG2873BXS KX TGA280BXS 7 3 Error Messages ...

Страница 30: ...30 KX TG2873BXS KX TGA280BXS 7 4 Troubleshooting ...

Страница 31: ...31 KX TG2873BXS KX TGA280BXS ...

Страница 32: ...32 KX TG2873BXS KX TGA280BXS ...

Страница 33: ...33 KX TG2873BXS KX TGA280BXS ...

Страница 34: ...34 KX TG2873BXS KX TGA280BXS ...

Страница 35: ...35 KX TG2873BXS KX TGA280BXS 8 Test Mode 8 1 Test Mode Function Base unit ...

Страница 36: ...36 KX TG2873BXS KX TGA280BXS 8 2 Test Mode Function Cordless Handset Note 1 All key codes are shown in below table ...

Страница 37: ...37 KX TG2873BXS KX TGA280BXS 9 Service Mode 9 1 Copying Phonebook Items When Repairing ...

Страница 38: ...istered to the base unit a new handset cannot be registered To register the handset refer to Re registering the Cordless Handset P 47 To cancel the handset refer to Canceling the Cordless Handset Registration P 48 To copy the handset phonebook refer to Copying Phonebook Items P 48 ...

Страница 39: ...XS 9 2 Service Mode Function for Base Unit with Cordless Handset Note for service When the display language is in Thai press F1 0 4 9 and F1 then the display language will be changed into English 9 2 1 How to Clear User Setting ...

Страница 40: ...roubleshooting Flow Chart Cross Reference Check Power P 41 Check the Transmission P 42 Check the Reception P 42 Check Playback P 43 Check Record P 44 Check Battery Charge P 45 Check Link P 46 Check the RF part P 47 Check Ring Reception P 49 Check Caller ID P 49 ...

Страница 41: ...KX TG2873BXS KX TGA280BXS 10 1 1 Check Power Cross Reference Power Supply Circuit P 10 Note 1 Refer to Specifications P 6 for part number and supply voltage of AC adaptor Flash Memory is IC601 DSP is IC501 ...

Страница 42: ...heck the Transmission Cross Reference Telephone Line Interface P 12 Signal Route P 19 10 1 3 Check the Reception Cross Reference Telephone Line Interface P 12 Signal Route P 19 Note When checking the RF part Refer to Check the RF part P 47 ...

Страница 43: ...43 KX TG2873BXS KX TGA280BXS 10 1 4 Check Playback Cross Reference Power Supply Circuit P 10 Signal Route P 19 Note Flash ROM is IC501 BBIC DSP is IC4 SP AMP is IC201 ...

Страница 44: ...hen it goes to SERVICE MODE 2 Press 5 1 0 VOX DETECT 06s 3 Increase a set value within the range from 6 to 12s by inputting ten key 4 Set to a new value by pressing F1 key Cross Reference Telephone Line Interface P 12 Signal Route P 19 Note Flash Memory is IC601 DSP is IC501 ...

Страница 45: ...TGA280BXS 10 1 6 Check Battery Charge Cross Reference Telephone Line Interface P 12 Signal Route P 19 Note 1 Refer to Specifications P 6 for part number and supply voltage of AC adaptor Flash ROM is IC501 BBIC DSP is IC4 ...

Страница 46: ...TG2873BXS KX TGA280BXS 10 1 7 Check Link Cross Reference Power Supply Circuit P 10 for Bade Unit Power Supply Circuit P 16 for Cordless Handset Adjustment of Base Unit P 62 Adjustment of Cordless Handset P 63 ...

Страница 47: ...t 10 1 8 1 Finding out the Defective part After All the Checkings or Repairing 1 Re register the checked CL HS to the checked BU and Standard CL HS to Standard BU Note 1 CL HS Cordless Handset 2 BU Base Unit 10 1 8 1 1 Re registering the Cordless Handset ...

Страница 48: ...48 KX TG2873BXS KX TGA280BXS 10 1 8 1 2 Canceling the Cordless Handset Registration 10 1 8 1 3 Copying Phonebook Items ...

Страница 49: ... Line Interface P 12 10 1 10 Check Caller ID Cross Reference Telephone Line Interface P 12 Note Make sure the format of the Caller ID Service of the Tele phone company that the customer subscribes to It is recommended to confirm that the customer is really a subscriber of the service ...

Страница 50: ...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 10 2 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the...

Страница 51: ... 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 10 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 52: ...52 KX TG2873BXS KX TGA280BXS 11 Disassembly and Assembly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit ...

Страница 53: ...53 KX TG2873BXS KX TGA280BXS ...

Страница 54: ...54 KX TG2873BXS KX TGA280BXS ...

Страница 55: ...55 KX TG2873BXS KX TGA280BXS 11 1 2 Cordless Handset ...

Страница 56: ...56 KX TG2873BXS KX TGA280BXS 11 1 3 Charger Unit ...

Страница 57: ...57 KX TG2873BXS KX TGA280BXS 11 2 Fix the LCD and the Receiver Guide to the Main P C Board Cordless Handset ...

Страница 58: ...OM 1 BandGAP adjustment 2 Standard frequency adjustment Flash ROM IC501 Memory of software program Memory of Adjustment parameter data 1 BandGAP adjustment 2 Standard frequency adjustment Xtal X2 Source of system clock 1 Standard frequency adjustment IC Necessary Adjustment BBIC IC1 Memory of software program CPU interface for RF and FlashROM 1 BandGAP adjustment 2 Standard frequency adjustment EE...

Страница 59: ...ope 12 2 1 2 JIG and PC Serial JIG JIG Cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PQZZTG2873BX Note If you have the JIG Cable for TCD500 series PQZZ1CD505E change the following values of resis tance 12 2 2 PC Setting 12 2 2 1 Connections Connect the AC adaptor to CN101 base unit Connect the JIG Cable GND black Connect the JIG Cable URX red and UTX yellow Note COM por...

Страница 60: ...measure voltage and current Oscilloscope 12 3 1 2 JIG and PC Serial JIG JIG Cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PQZZTG2873BX Note If you have the JIG Cable for TCD500 series PQZZ1CD505E change the following values of resis tance 12 3 2 PC Setting 12 3 2 1 Connections Connect the DC Power or Battery to CHG and CHG cordless handset Connect the JIG cable GND blac...

Страница 61: ...dgap then registered bandgap adjust value is read out bandgap nn Set VDD voltage adjustment parame ter value Type bandgap nn nn is an adjustment setting value of the bandgap voltage conttx Set RFC burst mode Type conttx then set RF burst mode setfreq Check frequency adjustment parame ter value Type setfreq then registered freq adjustment value is read out setfreq nn Set frequency adjustment parame...

Страница 62: ...62 KX TG2873BXS KX TGA280BXS 12 6 Adjustment of Base Unit Cross Reference Power Supply Circuit P 10 ...

Страница 63: ...63 KX TG2873BXS KX TGA280BXS 12 7 Adjustment of Cordless Handset Cross Reference Power Supply Circuit P 16 ...

Страница 64: ...P111 TP101 TP100 R903 C901 C900 Q100 R106 R400 R401 R402 R108 TP53 1 44 C38 C146 R174 R173 R172 R170 C39 1 10 23 22 20 11 10 1 11 20 IC5 TP15 L201 D201 D202 L202 TP52 TP44 TP49 TP48 TP42 TP225 TP222 TP224 TP221 TP122 TP3 R39 R37 R38 TP22 C501 C502 C35 BB3 0V TP229 RST TP121 TP105 TP904 TP106 TP200 TP228 TP207 R624 C602 C603 R625 R421 R420 R500 IC501 25 R58 Q8 Q7 Q2 Q4 TP10 TP13 TP7 TP5 C231 C218 T...

Страница 65: ...3 R72 C70 Q301 Q302 URX UTX GND R103 R102 C504 R504 L502 Q502 R502 Q500 R500 R503 C422 D401 D400 R74 R3 C4 C503 R85 C2 80 1 C61 C60 C6 X1 R5 R60 IC1 R505 R506 C5 C306 R414 R4 L2 C421 R408 R409 L503 R100 R101 Q100 C420 R405 R402 R80 C1 R82 C3 R2 R89 L1 R83 DG R81 C400 C405 R401 C403 C407 C8 R6 C14 R415 R400 2 5V R75 R71 C71 R70 JTAG Q500 C417 C502 CHG C501 C505 R501 C500 D501 CHG VBAT D1 C304 IC301...

Страница 66: ... 344 2436 48 43 2BH 2438 208 2437 344 44 2CH 2439 072 2438 208 45 2DH 2439 936 2439 072 46 2EH 2440 8 2439 936 47 2FH 2441 664 2440 8 48 30H 2442 528 2441 664 49 31H 2443 392 2442 528 50 32H 2444 256 2443 392 51 33H 2445 12 2444 256 52 34H 2445 984 2445 12 53 35H 2446 848 2445 984 54 36H 2447 712 2446 848 55 37H 2448 576 2447 712 56 38H 2449 44 2448 576 57 39H 2450 304 2449 44 58 3AH 2451 168 2450...

Страница 67: ...technology 13 1 2 Cordless Handset Schematic Diagram Cordless Handset Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology 13 1 3 Charger Unit Schematic Diagram Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative volta...

Страница 68: ...8 20V D104 180k R904 1M R906 180k R905 1M R907 D3p C902 NC C903 D900 D901 DG DG D106 100k R124 DG 100k R128 K0 056u C108 22k R119 4 7k R131 TP109 5V IC100 1 LINE1 2 GND 3 CSW 4 RA 5 OUT 6 NC 7 CR 8 LINE8 TP110 TP108 50V4 7u C111 DG 18k R110 D105 27V 12k R200 TP200 18k R250 DG K0 01u C200 15k R174 DG Q121 82k R172 100k R173 1k R170 DG DG BB3 0V DG Q120 5V Q110 TP900 TP901 TP902 3000V SA101 100 R914...

Страница 69: ...000p C4 15k R4 TP20 DG Q1 C3p C409 K0 015u C405 4 7k R424 BB1 8V 560k R422 100k R423 Q407 DG NC R404 NC R405 NC R406 NC R409 NC R410 NC R417 NC R414 560 R408 NC R411 VFET NC C329 NC C327 NC C328 DG 5V NC R310 5 5VF D314 DG TP301 NC C323 D315 DG DG NC R325 NC C326 D313 NC NC NC NC NC C324 NC C325 VFET 0 R329 D316 VIN Q305 Q404 NC R326 DG DA600 1 2 3 L602 68 R623 270 R624 270 R625 D301 10k R415 DA20...

Страница 70: ...0 PCM_FSC1 P0 3 51 PCM_FSC0 P0 4 52 PCM_CLK P0 5 53 PCM_DOUT P0 6 54 PCM_DIN P0 7 55 VDDIO 55 56 VSS 56 57 DREQ0n INT0n P1 0 58 DACK0n INT1n P1 1 59 ACS1 DREQ1n INT2n P1 2 60 ACS0 61 ACS2 DACK1n INT3n P1 3 62 HOLDn INT4n P1 4 63 VDDE HOLDACKn INT5n P1 5 64 BE1n 65 BE0n 66 SCL2 P3 0 67 SDA2 68 DAB0 69 DAB8 70 DAB1 71 DAB9 72 DAB2 73 DAB10 74 DAB3 75 DAB11 76 VSS 76 77 VDD 77 78 VDDIO 78 79 P2 0 PWM...

Страница 71: ...9 DG 1K R29 1K R26 TP47 J100p C52 TP48 TP13 TP14 1K R23 TP6 1K R31 DG 47 R38 TP11 TP5 TP44 TP42 1K R27 1K R28 TP10 J100p C51 1K R25 TP8 TP52 1K R30 DG TP12 TP3 DG NC R54 100 R49 TP4 TP43 1K R24 47 R39 TP49 TP15 1K R34 Q3 DG 1 5K R21 47K R22 0 R60 NC R618 L600 J68p C622 M4 7u C604 M4 7u C607 NC R15 D602 D603 Q4 NC NC K1u C608 K1u C605 IC600 1 GND1 2 GND2 3 GND3 4 TXDATA 5 RSSI 6 VCC_OC 7 GND4 8 SYC...

Страница 72: ... 0 R100 TP4 0 R102 0 R104 0 R101 0 R103 CN2 1 2 3 4 5 6 7 8 9 330 R2 1 5K R3 COL3 ROW5 COL1 ROW0 ROW2 ROW4 COL4 ROW1 ROW3 COL0 ROW4 ROW0 COL1 COL0 COL3 ANSL ROW3 ROW1 ROW5 COL4 COL2 BL_ON LCD_START LCD_CLK LCD_START LCD_INH LCD_TXD COL2 ROW2 LCD_INH LCD_CLK LCD_TXD TO LCD UNIT To MAIN PCB ROW3 0 COL2 KX TG2873 SCHEMATIC DIAGRAM Base Unit_Operation NC No Components SP PHONE 1 COL1 ONE TOUCH2 3 ROW4...

Страница 73: ...ram Base Unit_Back Light D10 3 3V MIC 1 HSMIC 2 HSMIC TP10 TP11 J1000p C10 To Main PCB MIC To Main PCB MIC KX TG2873 SCHEMATIC DIAGRAM Base Unit_MIC TP1 220 R3 100 R1 TP2 100 R2 LED5 LED3 LED4 LED2 LED1 BL_ON 5 5VF NC NC KX TG2873 SCHEMATIC DIAGRAM Base Unit_Back Light NC No Components ...

Страница 74: ... P3 0 75 P1 4 INT4n 76 P1 3 INT3n 77 P2 2 CLK100 78 AVS_sense 79 ADC3 80 ADC0 C11 K1u K0 01u C8 C400 NC K0 01u C1 K0 01u C2 R7 NC C403 NC LED1 VBAT LED6 LED5 LED7 LED8 DG DG DG DG DG DG DG DG DG DG DG DG DG C301 NC R2 100 DG DG DG DG C202 NC CA200 NC 1 2 3 4 5 6 7 8 2 5V DG DG C201 NC C203 NC L1 68n C504 NC DG AG RFG R5 270 PCM DO DG PCM FO PCM CK R300 0 1 1 8W Q300 C200 NC C4 K0 1u C5 K0 1u R200 ...

Страница 75: ...C405 K0 1u C407 K0 1u C714 J270p D400 3 3V D401 3 3V DG C423 NC DG C424 NC D402 3 3V D403 3 3V VDD5 K1u C307 K1u C308 IC300 1 VOUT 2 GND 3 VDD 4 CE 5 NC DG C451 NC C450 NC C466 NC L400 L401 C302 6 3V330u C303 6 3V330u L450 10uH L451 10uH R412 220 R413 220 IC2 64K 1 A0 2 A1 3 A2 4 GND 5 SDA 6 SCL 7 WP 8 VCC B2 4p C712 C715 NC C716 NC RFG RFG C422 K0 01u C421 NC AG R713 910 C415 K0 1u Q301 Q302 6 3V...

Страница 76: ... KX TG2873BXS KX TGA280BXS 13 7 Schematic Diagram Charger Unit 68 1 2W R4 68 1 2W R3 68 1 2W SCHEMATIC DIAGRAM Charger Unit R2 68 1 2W R1 CN1 1 2 TP1 TP2 DC IN 6 5V For Charger Terminal Land for soldering ...

Страница 77: ...l max DC REF about 900 mV 3 TX Handset MIC_in MIC TP224 to MIC TP221 TEST SIGNAL FREQUENCY 1 kHz The signal is input to MIC_IN with the generator that set the output to 40 dBm with HS JIG Terminate 2 2 kohm 4 RX SpeakerPhone SP TP223 to DG and SP TP227 to DG with SP 16 ohm about 900 mVpp Vol max DC REF about 2 5 V 5 TX MIC MIC_Assy_in MIC TP903 HFMIC to MIC TP904 DG TEST SIGNAL FREQUENCY 1kHz The ...

Страница 78: ...78 KX TG2873BXS KX TGA280BXS Memo ...

Страница 79: ...8 C203 C227 C236 C204 R211R212 R238 R257 R253 R618 C611 C612 C604 C605 C606 C623 C610 IC600 C619 C607 C616 C614 C613 C41 C42 C622 L600 R15 R16 C49 Q111 R115 R113 R114 C109 C921 Q104 C922 C108 10 11 X2 AUTO CH CDL CH C608 C609 R606 L602 32 1 26 27 C409 C407 R425 R915 R415 R216 Q407 R207 17 16 R239 TP32 TP219 TP218 TP202 D204 R910 R709 R911 Q120 R256 R168 R178 R233 C226 L101 C106 IC100 IC201 R225 R5...

Страница 80: ...8 TP402 TP401 R101 R901 C906 C908 Q400 C402 R419 DA200 DA400 Q401 C905 C903 R905 R907 C904 C902 R904 R903 D900 D901 R900 Q101 R102 TP400 TP309 TP227 TP111 TP101 TP100 R903 C901 C900 Q100 R106 R400 R401 R402 R108 TP53 1 44 C38 C146 R174 R173 R172 R170 C39 1 10 23 22 20 11 10 1 11 20 IC5 TP15 L201 D201 D202 L202 TP52 TP44 TP49 TP48 TP42 TP225 TP222 TP224 TP221 TP122 TP3 R39 R37 R38 TP22 C501 C502 C3...

Страница 81: ...81 KX TG2873BXS KX TGA280BXS 14 2 Circuit Board Base Unit_Back Light R1 LED1 R2 PbF PFUP1566Z CIRCUIT BOARD Base Unit_Back Light Component View A LED3 R3 LED4 AUTO CH LED5 LED2 WHITE RED ...

Страница 82: ...82 KX TG2873BXS KX TGA280BXS Memo ...

Страница 83: ...TO CH 6 7 3 2 5 11 10 9 4 END 8 1 START TP4 PbF PFUP1597Z PbF TP5 TP10 TP11 PFUP1597Z A GP20 CN BX 1 9 8 2 CN2 21 22 2 1 CN1 KX TG2873 CIRCUIT BOARD Base Unit_Operation and MIC Component View G R A Y A N T 1 RED 5 5VF BL_ON W HITE LCD C2 R5 R7 R6 R2 C1 R3 MIC MIC C10 D10 RED WHITE R105 R100 R101 R104 R103 R102 ...

Страница 84: ...SW5 SW3 PFUP1597Z CN2 2 1 8 9 SW2 SW10 SW7 SW4 SW1 PbF PFUP1597Z A SW26 SW22 LED1 RED IN OUT Voice Select 2WAY REC PLAYBACK INTERCOM ONE TOUCH2 ONE TOUCH1 SET REDIAL PAUSE SP PHONE HOLD MUTE FLASH ERASE SW21 SW18 SW19 SW17 SW20 SW25 SW23 SW24 GP20 CN BX A PbF MIC MIC MIC KX TG2873 CIRCUIT BOARD Base Unit_Operation and MIC Flow Solder Side View ...

Страница 85: ...5 C2 80 1 C61 C60 C6 X1 R5 R60 IC1 R505 R506 C5 C306 R414 R4 L2 C421 R408 R409 L503 R100 R101 Q100 C420 R405 R402 R80 C1 R82 C3 R2 R89 L1 R83 DG R81 C400 C405 R401 C403 C407 C8 R6 C14 R415 R400 2 5V R75 R71 C71 R70 JTAG Q500 C417 C502 CHG C501 C505 R501 C500 D501 CHG VBAT D1 C304 IC301 C300 C303 C302 R706 C704 R704 C705 C710 C715 R413 D403 C424 C419 C711 R713 R716 C423 ANT_1 ANT_2 C418 D402 PbF 5 ...

Страница 86: ... R207 R206 LED2 Func2 VOICE Func1 EXT SP 1 2 3 4 5 6 7 Catch INT MIC 8 9 0 HOLD OFF UP DOWN LED5 LED6 LED7 LED8 RIGHT LEFT LED3 LED4 R200 LED1 PbF PFUP1609Z A MIC MIC 22 1 CN200 Func2 VOICE Func1 EXT SP 1 2 3 4 5 6 7 Catch INT MIC 8 9 0 HOLD OFF UP DOWN RIGHT LEFT PbF PFUP1609Z A PCB CH REF CH AUTO CH KX TGA280 CIRCUIT BOARD Cordless Handset Flow Solder Side View ...

Страница 87: ...87 KX TG2873BXS KX TGA280BXS 14 5 Circuit Board Charger Unit 14 5 1 Component View R1 R4 PbF PFUP1569Z A R2 CIRCUIT BOARD Charger Unit Component View R3 BX CN CN1 1 2 ...

Страница 88: ...ART RX_DATA D I I PD 49 JTAG DATA i f D I Debug MODE I PU 50 key Scan D I Non Key in I PU 51 key Scan D I Non Key in I PU 52 key Scan D I Non Key in I PU 53 key Scan D I Non Key in I PU 54 key Scan D I Non Key in I PU 55 Digital Source 3 0V VDD 56 Digital GND DGN D 57 AC POW_Det D I AC_OFF AC_ON I PU 58 HOOK Det D I HOOK ON HOOK OFF I PU 59 IO_CS D O CS on I PU 60 ROM_CS D O CS on H 61 EEPROM_Writ...

Страница 89: ...D Signal INPUT A I Analog Analog O 113 CID AMPO A O Analog Analog O 114 HS MIC IN A I Analog Analog I 115 AFE GND GND O 116 MIC Bias A O O 117 Analog REF 0 9V A O O 118 HS MIC IN A I Analog Analog I 119 MIC REF 1 5V A O I 120 Ext Reset IN I 1 8 V Reset I PU 121 ROM Select D I External Internal I 122 Address bus D O H 123 Address bus D O H 124 Address bus D O H 125 Address bus D O H 126 Address bus...

Страница 90: ...5 V 39 Digital Source 1 8V 1 8 V 40 Key Scan D I Non key in I PU 41 Mode control UART TX data D O RST usually mode RST Boot mode I PU 42 UART RX data D I I PU 43 Modecontrol JTAG i f D I RST usually mode RST Debug mode I PU 44 EEPROM Serial Data D O I PU 45 EEPROM Serial Clock D O I PU 46 Key Scan D O Non key in I PU 47 Key Scan D O Non key in I PU 48 Key Scan D O Non key in I PU 49 Digital GND DG...

Страница 91: ...91 KX TG2873BXS KX TGA280BXS Note The mark in the I O column means the port is controlled by the firmware 79 Charge current monitor A I A D A D I 80 NC A I I PIN Description I O High High_Z Low ...

Страница 92: ...92 KX TG2873BXS KX TGA280BXS 15 3 Terminal Guide of the Ics Transistor and Diodes 15 3 1 Base Unit 15 3 2 Cordless Handset ...

Страница 93: ...93 KX TG2873BXS KX TGA280BXS 16 Exploded View and Replacement Parts List 16 1 Cabinet and Electric Parts Base Unit ...

Страница 94: ...94 KX TG2873BXS KX TGA280BXS 16 2 Cabinet and Electric Parts Cordless Handset Note 1 Attach the spacer No 109 to the exact location described above ...

Страница 95: ...95 KX TG2873BXS KX TGA280BXS 16 3 Cabinet and Electric Parts Charger Unit ...

Страница 96: ...96 KX TG2873BXS KX TGA280BXS 16 4 Accessories and Packing Materials 16 4 1 KX TG2873BXS ...

Страница 97: ...97 KX TG2873BXS KX TGA280BXS 16 4 2 KX TGA280BXS ...

Страница 98: ...IC PARTS SHEET 11 PFBC1171X1 PUSH BUTTON TAM PMMA HB 12 L0AA05A00081 SPEAKER 13 PFBH1035Z1 PUSH BUTTON HOOK ABS HB 14 PFKM1195V1 CABINET BODY PS HB 15 PFHR1406Z1 GUIDE HANDSET HANGER ABS HB 16 PFGP1351Z1 PANEL LCD PMMA HB 17 PFHE1238Z SPACER LCD 18 L5DAAYY00004 LIQUID CRYSTAL DISPLAY 19 PFHX1982Z PLASTIC PARTS LCD SHEET 20 PFHR1628Z GUIDE LCD PS HB Ref No Part No Part Name Description Remarks PCB1...

Страница 99: ...D0GG222JA007 2 2K R110 ERJ3GEYJ183 18K R111 ERJ3GEYJ335 3 3M R112 ERJ3GEYJ104 100K R113 ERJ3GEYJ334 330K Ref No Part No Part Name Description Remarks R115 ERJ3GEYJ223 22K R116 ERJ3GEYJ133 13K R123 ERJ3GEYJ471 470 R127 ERJ3GEYJ391 390 R128 ERJ3GEYJ104 100K R133 ERJ2GEJ563 56K R138 ERJ2GEJ153 15K R139 ERJ3GEYJ562 5 6K R114 ERJ3GEYJ272 2 7K R117 ERJ3GEYJ562 5 6K R119 ERJ3GEYJ223 22K R120 ERJ3GEYJ334 ...

Страница 100: ...5 ECJ0EC1H030C 3P Ref No Part No Part Name Description Remarks C137 ECUV1H103KBV 0 01 C138 ECEA1CK470 47 S C145 ECJ1VF1H104Z 0 1 C146 ECJ1VB1H222K 0 0022 C143 ECJ0EF1C104Z 0 1 C148 ECUV1A105KBV 1 C149 ECUV1H104KBV 0 1 C200 ECJ0EB1C103K 0 01 C204 ECJ0EB1C103K 0 01 C207 ECJ0EB1A104K 0 1 C208 ECJ0EB1A104K 0 1 C209 ECJ0EB1H102K 0 001 C210 ECJ0EB1A104K 0 1 C211 ECJ0EB1H102K 0 001 C213 ECUV1A105KBV 1 C2...

Страница 101: ...0H1BA000259 SPECIAL SWITCH SW21 K0H1BA000259 SPECIAL SWITCH SW22 K0H1BA000259 SPECIAL SWITCH SW23 K0H1BA000259 SPECIAL SWITCH SW24 K0H1BA000259 SPECIAL SWITCH SW25 K0H1BA000259 SPECIAL SWITCH SW26 K0H1BA000259 SPECIAL SWITCH SW27 K0H1BA000259 SPECIAL SWITCH SW28 K0H1BA000259 SPECIAL SWITCH Ref No Part No Part Name Description Remarks Ref No Part No Part Name Description Remarks PCB3 PFLP1812CNZ BA...

Страница 102: ... 22 Ref No Part No Part Name Description Remarks R505 ERJ3GEYJ562 5 6K R506 ERJ3GEYJ562 5 6K R704 ERJ2GEJ473 47K R705 ERJ2GEJ682 6 8K R709 ERJ2GEJ104 100K R710 ERJ2GEJ102 1K R711 ERJ2GEJ104 100K R713 ERJ2GEJ911 910 CAPACITORS C1 ECJ0EB1C103K 0 01 C2 ECJ0EB1C103K 0 01 C3 ECJ0EB1C103K 0 01 C4 ECUE1A104KBQ 0 1 S C5 ECUE1A104KBQ 0 1 S C6 ECUV1A105KBV 1 C8 ECJ0EB1C103K 0 01 C9 ECJ0EB1C103K 0 01 C10 ECJ...

Страница 103: ...t Name Description Remarks PCB200 PFLP1786JPZ MAIN P C BOARD ASS Y RTL RESISTORS R1 ERDS1TJ680 68 S R2 ERDS1TJ680 68 S R3 ERDS1TJ680 68 S R4 ERDS1TJ680 68 S OTHERS CN1 K2ECYB000001 JACK Ref No Part No Part Name Description Remarks A1 PQLV207BXZ AC ADAPTOR A2 PFJA02B002Y CORD TELEPHONE A3 PFJA04C003Z CORD CURL A4 PFJXN0532Y HANDSET A5 PQQX15156Y INSTRUCTION BOOK for English 1 A6 PQQX15157Y INSTRUCT...

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