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29 FOR SCHEMATIC DIAGRAM

29.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT))

Note:

1. DC voltage measurements are taken with voltmeter from the negative voltage line.

2. This schematic diagram may be modified at any time with the development of new technology.

29.2. Handset (SCHEMATIC DIAGRAM (HANDSET))

Note:

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.

KX-TG2260BXS / KX-TGA228BXS

Содержание KX-TG2260BXS

Страница 1: ... All rights reserved Unauthorized copying and distribution is a violation of law KX TG2260BXS KX TGA228BXS Digital Cordless Answering System Silver Version for Asia Middle Near East and Other areas Telephone Equipment ORDER NO KM40308187C3 ...

Страница 2: ...k Handset Reception 43 11 12 Check Caller ID 43 12 TEST MODE 44 12 1 Test mode flow chart for Base Unit 44 12 2 TAM Test mode flow chart 45 12 3 Test mode flow chart for Handset 46 12 4 X201 Check 47 12 5 Adjustment Battery Low Detector Voltage 47 12 6 Base Unit Reference Drawing 48 12 7 Handset Reference Drawing 49 12 8 Frequency Table 50 13 DESCRIPTION 51 13 1 Frequency 51 13 2 Time Division Dup...

Страница 3: ...TERIALS 73 27 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 74 27 1 Base Unit 74 27 2 Handset 74 28 REPLACEMENT PARTS LIST 75 28 1 Base Unit 75 28 2 Handset 77 28 3 Accessories and Packing Materials 79 29 FOR SCHEMATIC DIAGRAM 80 29 1 Base Unit SCHEMATIC DIAGRAM BASE UNIT 80 29 2 Handset SCHEMATIC DIAGRAM HANDSET 80 29 3 Memo 81 30 SCHEMATIC DIAGRAM BASE UNIT 82 30 1 Main 82 30 2 Memo 84 30 3 O...

Страница 4: ...ul not to heat too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the componen...

Страница 5: ...6 17 21 23 26 25 28 30 27 19 20 22 24 4 0 1 30 1 18 ICOM CN900 CN901 6 7 9 11 13 12 10 8 14 9 MIC UP DOWN MICP MICM 3 SKIP STOP LED904 CIQ Marked Flow Solder Side View 1 2 How to recognize that Pb Free solder is used 1 2 1 1 Main 18 1 1 30 PbF IC201 CN101 CN100 30 51 50 1 Marked Component View Note The location of the PbF mark is subject to change without notice Note The location of the PbF mark i...

Страница 6: ...ill help prevent recurring malfunctions 1 Cover the plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch IC or LSI pins with bare fingers 3 CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommendenced by the manufacturer Dispose of used batteries according to the man...

Страница 7: ...rvice 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 4 4 Battery Strength 7 KX TG2260BXS KX TGA228BXS ...

Страница 8: ...4 5 Battery Replacement 4 6 Battery information 8 KX TG2260BXS KX TGA228BXS ...

Страница 9: ...5 LOCATION OF CONTROLS 5 1 Base Unit 9 KX TG2260BXS KX TGA228BXS ...

Страница 10: ...5 2 Handset 10 KX TG2260BXS KX TGA228BXS ...

Страница 11: ...6 DISPLAY 6 1 Troubleshooting 11 KX TG2260BXS KX TGA228BXS ...

Страница 12: ...12 KX TG2260BXS KX TGA228BXS ...

Страница 13: ...13 KX TG2260BXS KX TGA228BXS ...

Страница 14: ...14 KX TG2260BXS KX TGA228BXS ...

Страница 15: ...7 SETTINGS 7 1 Connections 7 2 Dialing Mode Handset 15 KX TG2260BXS KX TGA228BXS ...

Страница 16: ...7 3 Line Mode Handset 16 KX TG2260BXS KX TGA228BXS ...

Страница 17: ...7 4 Direct Commands 17 KX TG2260BXS KX TGA228BXS ...

Страница 18: ...8 OPERATIONS 8 1 Making Calls 8 1 1 Using the Handset 18 KX TG2260BXS KX TGA228BXS ...

Страница 19: ...19 KX TG2260BXS KX TGA228BXS ...

Страница 20: ...8 1 2 Using the Base Unit 20 KX TG2260BXS KX TGA228BXS ...

Страница 21: ...8 2 Answering Calls 8 2 1 Base Unit 8 2 2 Handset 21 KX TG2260BXS KX TGA228BXS ...

Страница 22: ...8 3 FLASH Button 22 KX TG2260BXS KX TGA228BXS ...

Страница 23: ...8 4 Dial Lock Handset 23 KX TG2260BXS KX TGA228BXS ...

Страница 24: ...8 5 Erasing Messages 24 KX TG2260BXS KX TGA228BXS ...

Страница 25: ...tore up to 50 names and phone numbers in the handset phone book All phone book items are sorted alphabetically You can make a call by selecting a name on the handset display 8 6 1 Storing Names and Numbers 25 KX TG2260BXS KX TGA228BXS ...

Страница 26: ...26 KX TG2260BXS KX TGA228BXS ...

Страница 27: ...8 6 2 Dialing from the Phone Book 27 KX TG2260BXS KX TGA228BXS ...

Страница 28: ...8 6 3 Editing an Item in the Phone Book 8 6 4 Erasing an Item in the Phone Book 28 KX TG2260BXS KX TGA228BXS ...

Страница 29: ...IONS Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 14 A 5 2 Main P C Board Screw 2 6 8 B 1 Tape and Solder Main P C Board 3 Operational P C Board Screws 2 6 8 C 7 Operational P C Board 29 KX TG2260BXS KX TGA228BXS ...

Страница 30: ... To Remove Remove 4 Rear Cabinet Screws 2 6 12 D 2 5 Rear Cabinet Follow the procedure 6 Main P C Board Screw 2 6 12 E 1 Screws 2 6 9 F 2 Screws 2 10 G 2 Solder and Tape Main P C Board 30 KX TG2260BXS KX TGA228BXS ...

Страница 31: ...10 ASSEMBLY INSTRUCTIONS 10 1 Fix the LCD to P C Board Handset 31 KX TG2260BXS KX TGA228BXS ...

Страница 32: ... 35 Check Record P 34 Check Sp phone Transmission P 35 Check Sp phone Reception P 36 Check Battery Charge P 37 Check Link P 37 Check the RF Unit P 38 Check Handset Transmission P 43 Check Handset Reception P 43 Check Caller ID P 43 11 TROUBLESHOOTING GUIDE 32 KX TG2260BXS KX TGA228BXS ...

Страница 33: ...rence Power Supply Circuit P 56 Reset Circuit P 57 Note Flash Memory is IC300 DSP is IC201 11 1 Check Power 11 2 Error Message Table Base Unit Note Flash Memory is IC300 DSP is IC201 33 KX TG2260BXS KX TGA228BXS ...

Страница 34: ...e lower than conventional lines which may cause a malfunction of Auto Disconnect detection To solve this problem try changing the Auto Disconnect activation time through the procedures below Auto Disconnect activation time PROCEDURE Status Enable 2 sec default STOP REPEAT SP PHONE simultaneously Stand by 4 sec STOP REPEAT UP simultaneously Disable STOP REPEAT DOWN simultaneously If the Disable is ...

Страница 35: ...uit P 56 Cross Reference Telephone Line Interface P 58 SIGNAL ROUTE P 66 Note Flash Memory is IC300 DSP is IC201 Note Flash Memory is IC300 DSP is IC201 11 4 Check Playback 11 5 Check Sp phone Transmission 35 KX TG2260BXS KX TGA228BXS ...

Страница 36: ...Cross Reference Telephone Line Interface P 58 SIGNAL ROUTE P 66 Note Flash Memory is IC300 DSP is IC201 11 6 Check Sp phone Reception 36 KX TG2260BXS KX TGA228BXS ...

Страница 37: ... Link Cross Reference Check the RF Unit P 38 Power Supply Circuit P 56 Note Flash Memory is IC300 DSP is IC201 Cross Reference Check the RF Unit P 38 Power Supply Circuit P 62 Note EEPROM is IC202 DSP is IC201 37 KX TG2260BXS KX TGA228BXS ...

Страница 38: ...r unit working should turn on See RF Check Flowchart P 40 See Check Table for RF Unit P 41 11 9 2 Converting a Regular Production Unit to a JIG Both base unit and handset unit have two modes TEST POWER LOW mode and NORMAL POWER mode even a Regular production unit Each unit can be used as a JIG by changing the original NORMAL POWER mode to TEST POWER LOW mode NORMAL POWER mode In this mode both bas...

Страница 39: ...Soft Left key 1 2CH LOW Soft Left key 2 3CH LOW Soft Left key 3 4CH LOW Soft Left key 4 5CH LOW Soft Left key 5 6CH LOW Soft Left key 6 7CH LOW Soft Left key 7 8CH LOW Soft Left key 8 9CH LOW Soft Left key 9 10CH LOW Soft Left key the above case 11CH LOW Soft Left key 0 12CH LOW Soft Left key 13CH LOW Down key 1 14CH LOW Down key 2 15CH LOW Down key 3 16CH LOW Down key 4 17CH LOW Down key 5 18CH L...

Страница 40: ...wchart Details of confirmation items are following in Check Table for RF Unit P 41 Note DSP is IC201 for Base Unit DSP is IC201 for Handset Both of RF units for Handset and Base Unit are same 40 KX TG2260BXS KX TGA228BXS ...

Страница 41: ...F UNIT 8 192 MHz at OSC 5 1 Set Test mode Just entering to test mode 3 2 Confirm oscillate signal of RF UNIT 8 192 MHz at OSC 6 Check point 1 Check Xtal oscillator at Q260 C of the base unit 2 Check DSP interface IC801 DSP BS 4 1 Check Xtal oscillator at Q204 C of the handset 2 Check DSP interface IC801 DSP HS 4 3 TX Power confirmation Procedure 1 Put RF wire to ANT and ANT_GND See Base Unit Refer...

Страница 42: ...11 9 5 RF DSP interface signal wave form 42 KX TG2260BXS KX TGA228BXS ...

Страница 43: ...Refer to Check the RF Unit P 38 11 12 Check Caller ID Cross Reference Telephone Line Interface P 58 Calling Line Identification Caller ID P 60 Note Make sure the format of the Caller ID service of the Telephone company that the customer subscribed to Also we recommend to confirm that the customer is really a subscriber of the service 43 KX TG2260BXS KX TGA228BXS ...

Страница 44: ...12 TEST MODE 12 1 Test mode flow chart for Base Unit 1 It shows whether the telephone line is connected or not ON OFF HOOK OFF ON HOOK 44 KX TG2260BXS KX TGA228BXS ...

Страница 45: ...12 2 TAM Test mode flow chart 45 KX TG2260BXS KX TGA228BXS ...

Страница 46: ... 3 Test mode flow chart for Handset 1 See Handset Reference Drawing P 49 Should return to OPEN after entering the Test mode 2 See Adjustment Battery Low Detector Voltage P 47 46 KX TG2260BXS KX TGA228BXS ...

Страница 47: ... IC201 Re writing Battery Low voltage to EEPROM is required How to re write 1 Set 2 7V for DC power supply 2 Enter the test mode Refer to Test mode flow chart for Handset P 46 3 Follow to Batt Low Check mode Slave TDD is displayed on LCD 4 Set 2 37V for DC power supply Note Check voltage at battery connector because some voltage drop is happened using long or thin cable 5 Press key to write voltag...

Страница 48: ...R157 R154 R155 R156 LC SHS_RF D204 D802 C805 L808 D801 C824 C867 C864 C835 C830 C831 L806 L801 L803 L805 C832 C801 C802 C861 C857 C869 C860 C856 R811 R812 R804 R808 C814 C813 R807 R806 C804 C803 C807 C811 C812 L804 R805 C806 R813 C858 C859 C829 C405 C412 C420 C421 C300 R232 R231 R245 R230 R300 C301 C309 C404 C406 C409 C407 C408 C411 C413 C410 R400 R207 R202 R205 R206 C207 R260 C260 R262 R252 C251 ...

Страница 49: ...26 C227 R228 R279 R276 R278 R280 C225 C308 C310 R277 C307 C239 C229 R233 C234 C238 C269 C295 C256 R302 R226 R236 R244 C309 C306 R223 R237 R225 R250 R249 R253 R231 R219 R229 C217 R235 R234 C280 C218 C301 C223 IC206 C317 C224 C241 C231 C233 C205 C293 R239 C291 R238 R281 C294 R273 R213 R274 R275 R209 C203 R210 R270 R212 R246 R248 C274 C242 C214 R200 D211 D216 D207 D208 D205 D206 C302 C303 L212 L211 C...

Страница 50: ...7300 26 2439 93425 7 2429 18325 27 2442 49200 8 2429 69675 28 2443 00550 9 2430 20700 29 2443 51575 10 2430 72050 30 2444 03250 11 2431 23075 31 2444 54275 12 2431 74425 32 2445 05625 13 2432 25450 33 2445 56650 14 2433 79175 34 2446 08000 15 2434 30200 35 2446 59025 16 2434 81550 36 2447 10375 17 2435 32575 37 2447 61400 18 2435 83925 38 2448 12750 19 2436 34950 39 2448 63775 20 2436 86300 50 KX ...

Страница 51: ...ng as shown in Fig 7 1 slot time of transmission and reception is 1mS Same frequency is used in transmitting and receiving The figure shows an example the frequency of 3ch is used in transmitting between the base unit and handset Fig 7 13 2 1 TDD Frame Format The TDD frame is 2mS in length Each subframe contains 128 bits of 7 8µS duration Each subframe consists of the following four fields A 1 bit...

Страница 52: ...lter IC801 then input to DSP IC201 DSP performs ADPCM decoding to convert the signal into the voice signal then it is output to the speaker Transmission The voice signal input from the microphone is led to DSP IC201 The DSP generates ADPCM signal As well as the reception it is converted into the RF signal by RFIC IC801 Passing through filter FL801 it is transmitted from the antenna As for the base...

Страница 53: ...14 1 Calling 14 2 To Terminate Communication 14 3 Ringing 14 4 Ports for Transmitting and Receiving of Data 14 EXPLANATION OF BBIC Base Band IC DATA COMMUNICATION 53 KX TG2260BXS KX TGA228BXS ...

Страница 54: ...AGRAM BASE UNIT 35 27 40 39 26 55 14 41 32 47 46 29 31 66 65 48 58 64 63 24 23 25 62 57 X200 82 83 84 85 86 87 56 3 74 95 61 99 59 60 18 19 20 21 22 52 51 26 LED903 LED901 LED902 LED900 70 79 69 36 34 2 SO SI CLK CS WP RST OPERATIONAL P C BOARD RF_UNIT DSP ANSWER_LED SP_PHONE_LED INSUE_LED CHG_CTL CHG SPN SPP VCCPA VCCA VCC POWER_DOWN RESET CIDIP0 CIDIN0 BELL DCIN0 RLY VRF FLASH MEMORY VCC SP MIC ...

Страница 55: ...Monitoring modes of operation When the DTMF data from the Handset is received the DTMF signal is output Synthesized Voice Pre recorded message The DSP implements synthesized Voice utilizing the built in speech detector and an FLASH MEMORY which stored the vocabulary Caller ID and Call Waiting CID demodulation The DSP implements monitor and demodulate the FSK signals that provide CID information fr...

Страница 56: ...elow Note As for see CIRCUIT BOARD BASE UNIT P 89 16 3 1 Charge Circuit The voltage from the AC is supplied to the main charge circuits Normal charge 220 mA of maximum 9 hours is started soon after the Handset is placed on the base unit Then it changes to trickle charge 15 mA on the average to prevent from overcharging Normal charge Q150 is ON Trickle charge Q150 is OFF 56 KX TG2260BXS KX TGA228BX...

Страница 57: ...omputer when it incorporates an AC adaptor Circuit Operation When the AC Adaptor is inserted into the unit then the voltage is shifted by IC100 D101 and power is supplied to the DSP The set can operate beyond point in the circuit voltage diagram 57 KX TG2260BXS KX TGA228BXS ...

Страница 58: ...Q4 is open to cut the DC loop current and decrease the ring load When ring voltage appears at the Tip T and Ring R leads When the telephone rings the AC ring voltage is transferred as follows T R L1 L2 R30 R31 C16 C17 Q6 DSP BELL BELL When the CPU DSP detects a ring signal Q4 turns on thus providing an off hook condition active DC current flow through the circuit and the following signal flow is f...

Страница 59: ...er tone functions when using telephones connected in parallel it is necessary to have a circuit that judges whether a telephone connected in parallel is in use or not This circuit determines whether the telephone connected in parallel is on hook or off hook by detecting changes in the T R voltage It is like an Auto Disconnect Circuit Circuit Operation Parallel connection detection when on hook Whe...

Страница 60: ...method is chosen according to the exchange of telephone office This unit is available to receive the data with both methods and displays the received data on LCD FSK Frequency Shift Keying format DTMF format It is the method to send the telephone number of calling party with DTMF to the telephone DTMF is sent before the first bell signal The data is sent in turn first the start code secondly the t...

Страница 61: ...EDS 8 192MHz X201 OSC CN203 LCD_ EEPROM_DO VCCPA VCCPLL 2 1 BATT BATT1 BATT2 D214 D216 IC201 DSP TXEN SHCTRL TXO VMOD RSTH RSSI PCTRL RXEN RXI RXDATA RX GAIN SIO_DO SIO_LE SIO_CLK OSC BUFFER AMP Q204 KX TGA228BXS BLOCK DIAGRAM HANDSET 64 65 57 62 100 63 58 23 24 25 59 16 22 27 60 36 23 44 34 29 74 54 55 32 50 41 14 51 52 46 47 66 48 POWER DOWN 2 6V REG IC205 IC203 IC1 3 0V REG IC204 3 0V REG DC DC...

Страница 62: ...own detect circuit Ringer Generation Interface circuit RF unit speaker mic LED Key scan LCD Headset 18 1 2 RF unit Mainly voice signal is modulated to RF or it goes the other way 18 1 3 EEPROM IC202 All setting data is stored ex ID code user setting Flash Time Tone Pulse 18 2 Power Supply Circuit Voltage is supplied separately to each block 62 KX TG2260BXS KX TGA228BXS ...

Страница 63: ...ocomputer when it incorporates a Battery Circuit Operation When the Battery is inserted into the unit Power Down signal and Reset signal are generated by IC205 IC203 Q212 and Q205 as shown below The Reset signal will be generated when Charge ON 63 KX TG2260BXS KX TGA228BXS ...

Страница 64: ...with the base unit 18 5 Ringer and Handset SP Phone DSP 29 31 SP RINGER 18 6 Sending Signal The voice signal from the microphone input to DSP 46 47 CN203 is the headphone jack When the headphone is connected the Q206 detect it The input from the microphone of the handset MIN MIP is cut and the microphone signal from the headphone is input to DSP 36 Also the power for the microphone is supplied fro...

Страница 65: ...SMIP The signal input to DSP 44 is inverted and output to DSP 34 LOUTO The signal through the headset jack is inverted then output from DSP 34 to drive the speaker When the headset is inserted to the jack the voice signal is cut at the jack so the sound does not come out from the speaker but from the headset only 65 KX TG2260BXS KX TGA228BXS ...

Страница 66: ...19 SIGNAL ROUTE Each signal route is as follows 66 KX TG2260BXS KX TGA228BXS ...

Страница 67: ...20 CPU DATA BASE UNIT 20 1 IC201 67 KX TG2260BXS KX TGA228BXS ...

Страница 68: ...21 CPU DATA HANDSET 21 1 IC201 68 KX TG2260BXS KX TGA228BXS ...

Страница 69: ...22 EXPLANATION OF RF UNIT TERMINALS 22 1 IC801 69 KX TG2260BXS KX TGA228BXS ...

Страница 70: ...ck the flat pack IC to the PCB by temporarily soldering two diagonally opposite pins in the correct positions on the PCB Be certain each pin is located over the correct pad on the PCB 2 Apply flux to all of the pins on the IC 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as ...

Страница 71: ...24 CABINET AND ELECTRICAL PARTS BASE UNIT 71 KX TG2260BXS KX TGA228BXS ...

Страница 72: ...25 CABINET AND ELECTRICAL PARTS HANDSET 72 KX TG2260BXS KX TGA228BXS ...

Страница 73: ...26 ACCESSORIES AND PACKING MATERIALS 73 KX TG2260BXS KX TGA228BXS ...

Страница 74: ...27 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 27 1 Base Unit 27 2 Handset 74 KX TG2260BXS KX TGA228BXS ...

Страница 75: ...Z KEYBOARD SWITCH TAM 15 PQSX10233W KEYBOARD SWITCH 12KEY 16 PQKL10053Z1 STAND WALL MOUNT ADAPTOR ABS HB 17 PQGT16165Z NAME PLATE 18 PQMG10025Z RUBBER PARTS MIC COVER 19 PQJE10128Z LEAD WIRE FFC 20 PQKF10592Y1 CABINET COVER PS HB 21 PQHA10017Z RUBBER PARTS LEG 22 PQHA10018Z RUBBER PARTS FOOT 28 1 2 Main P C Board Parts Ref No Part No Part Name Description Remarks PCB1 PQWP12260BXH MAIN P C BOARD A...

Страница 76: ...ERJ3GEYJ102 1K R252 ERJ2GEJ102 1K Ref No Part No Part Name Description Remarks R260 ERJ2GEJ471 470 R261 ERJ2GEJ471 470 R262 ERJ2GEJ104 100K R263 ERJ2GEJ101 100 R264 ERJ2GEJ182 1 8K R300 ERJ2GE0R00 0 R400 ERJ2GEJ332 3 3K R433 ERJ2GEJ102 1K R801 ERJ2GEJ100 10 R802 ERJ2GEJ100 10 R803 ERJ2GEJ100 10 R804 ERJ2GEJ4R7 4 7 R805 ERJ2GEJ331 330 R810 ERJ3GEYF103 10K L203 PQ4R10XJ000 0 S L204 PQ4R10XJ000 0 S C...

Страница 77: ...OR S RA201 EXRV8V472JV RESISTOR ARRAY S Ref No Part No Part Name Description Remarks X200 H0J819400004 CRYSTAL OSCILLATOR 28 1 3 Operational P C Board Parts Ref No Part No Part Name Description Remarks PCB2 PQWP2TG2258H OPERATIONAL P C BOARD ASS Y RTL DIODES LED900 PQVDSML210MT LED LED901 PQVDSML210L LED S LED902 PQVDSML210L LED S LED903 PQVDEL1921SR LED RESISTORS R900 ERJ3GEYJ104 100K R901 ERJ3GE...

Страница 78: ...EJ101 100 R215 ERJ2GEJ151 150 R216 ERJ3GEYJ561 560 R217 ERJ3GEYF434 430K S R218 ERJ3GEYF824 820K S R222 ERJ2GEJ101 100 R223 ERJ2GEJ102 1K R224 ERJ3GEYJ103 10K Ref No Part No Part Name Description Remarks R228 ERJ2GEJ224 220K R229 ERJ2GEJ102 1K R230 ERJ2GEJ102 1K R231 ERJ2GEJ102 1K R232 ERJ3GEYJ103 10K R233 ERJ2GE0R00 0 R234 ERJ2GEYF225 2 2M R235 ERJ2GEYF225 2 2M R237 ERJ2GEJ104 100K R240 ERJ3GEY0R...

Страница 79: ...05ZFV 1 C831 ECUV1A105ZFV 1 C833 ECST0JY106 10 C856 ECUE1H2R0CCQ 2 C857 ECUE1H2R0CCQ 2 C858 ECUE1H2R0CCQ 2 C859 ECUE1H2R0CCQ 2 C860 ECUE1H100DCQ 10P S C861 ECUE1H2R0CCQ 2 C862 ECUE1H100DCQ 10P S C863 ECUE1H100DCQ 10P S C865 ECUE1H221JCQ 220P C866 ECUE1C103KBQ 0 01 C867 ECUE1H2R0CCQ 2 C869 ECUE1H2R0CCQ 2 L201 ECUE1H100DCQ 10P S R806 ECUE1H100DCQ 10P S OTHERS E101 L0CBAB000044 MICROPHONE E102 L5DCBD...

Страница 80: ...2 This schematic diagram may be modified at any time with the development of new technology 29 2 Handset SCHEMATIC DIAGRAM HANDSET Note 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 80 KX TG2260BXS KX TGA228BXS ...

Страница 81: ...29 3 Memo 81 KX TG2260BXS KX TGA228BXS ...

Страница 82: ... STB4 14 STB3 15 STB2 16 STB1 17 COM1 18 COM2 19 SEG3 20 SEG4 21 SEG5 22 SEG6 23 SEG7 24 SEG8 25 SEG9 26 SEG10 27 SEG11 28 SEG12 29 VCC 30 GND 4 7K R202 TAM CDL IC300 16M 1 RDY 2 RESET 3 WP 4 NC 5 NC 6 VCC 7 GND 8 NC 9 NC 10 NC 11 CS 12 BCLK 13 SI 14 SO 15 NC 16 NC 17 NC 18 NC 19 NC 20 NC 21 NC 22 NC 23 NC 24 NC 25 NC 26 NC 27 NC 28 NC IO14 S501 LOCATOR NC 4 3 390 R205 820 R206 68 R207 120 R204 1K...

Страница 83: ...1 C241 C54 R217 390K R110 R227 2 2K D204 D108 C115 D109 R113 LA LB 390K R52 NC C51 NC C52 NC C56 NC C10 NC C243 NC C499 C113 R8 0 1K R10 R220 100 R51 47 Q50 R70 3 9K NC R16 Q150 1 3 2 120P C245 D150 C705 6 3V220u C415 C250 K0 047 NC L202 Z0 1 C402 3 3u L3 DCP 390 R152 NC C246 C20 C13 1000P VCC1 1 2K R215 20V D2 1 2 NC R22 CN101 NC 1 VCC 2 GND 3 STB1 4 STB2 5 STB3 6 STB4 7 STB5 8 KIN6 9 KIN5 10 KIN...

Страница 84: ...30 2 Memo 84 KX TG2260BXS KX TGA228BXS ...

Страница 85: ...10 SEG5 11 SEG4 12 SEG3 13 COM2 14 COM1 15 STB1 16 STB2 17 STB3 18 STB4 19 STB5 20 KIN6 21 KIN5 22 KIN4 23 KIN3 24 KIN2 25 KIN1 26 ANS_LED 27 VM_LED 28 SP_LED 29 INUSE_LED 30 VCC CN900 NC 1 INUSE_LED 2 SP_LED 3 VM_LED 4 ANS_LED 5 VCC 6 KIN1 7 KIN2 8 KIN3 9 KIN4 10 KIN5 11 KIN6 12 STB5 13 STB4 14 STB3 15 STB2 16 STB1 17 GND 18 VCC R900 100K C900 100P R901 100K R902 100K R903 100K C901 100P STOP STO...

Страница 86: ...C823 6 3V10 D10P C803 K1000P C829 TESTN 10K 1 R810 1608 NC C806 0 1 C820 1 0 C830 C833 6 3V10 K1000P C824 K390P C819 D10P C860 D10P R806 K1000P C821 FL801 3 1 4 2 2 2nH L805 K1000P C827 D10P C811 D802 D10P C813 10 R802 330 R805 NC C826 C1P C822 10nH L801 NC C832 0 1 C818 1 0 C831 D10P C815 0 1 C817 10nH L806 D10P C807 K1000P C801 TP_FREQ 10nH L804 K680P C825 1uH L807 1608 C1P C802 IC801 1 TX 2 GND...

Страница 87: ..._PWM 70 NC 71 RADIOEN 72 GND 73 VCC 74 CHARGE_DET 75 TCK 76 TMS 77 TDI 78 TDO 79 CHG_LED 80 NC 81 NC 82 KEYIN_5 83 KEYIN_4 84 KEYIN_3 85 KEYIN_2 86 KEYIN_1 87 NC 88 EEP_CS 89 NC 90 NC 91 NC 92 KEY_BACKLIGHT 93 LCD_BACKLIGHT 94 LCD_POWER_SW 95 EEP_WP 96 GND 97 VCC 98 NC 99 EEP_CLK 100 NC 2 2M 1 R235 NC NC GND VIN VOUT NC D202 6 3V22 C257 C308 C3P Q204 R278 100K R279 100 R276 470 R277 470 C306 0 1 C...

Страница 88: ...31 1 Memo 88 KX TG2260BXS KX TGA228BXS ...

Страница 89: ... PbF L3 R152 IC801 IC100 X200 IC201 IC202 IC300 S501 RF CN101 CN100 30 31 50 51 50 81 100 1 IC101 32 25 17 24 16 9 8 1 C416 L802 C815 C809 ANT2 ANTG2 R153 R157 R154 R155 R156 LC SHS_RF D204 D802 C805 L808 D801 C824 C867 C864 C835 C830 C831 L806 L801 L803 L805 C832 C801 C802 C861 C857 C869 C860 C856 R811 R812 R804 R808 C814 C813 R807 R806 C804 C803 C807 C811 C812 L804 R805 C806 R813 C858 C859 C829 ...

Страница 90: ... Q1 C5 C6 C4 R16 R13 Q3 Q2 1 1 RDN IC331 TAM CDL D107 C110 R19 R12 R108 C20 DCM D5 C217 C218 R114 R10 R8 R5 C7 R7 R25 C21 R29 R27 CHGM CHGP D152 D153 C19 C18 D109 D108 R21 R20 C10 R18 R113 R112 R110 R109 C111 R6 Q50 R70 C236 R219 C241 C233 C232 C56 C54 R52 C55 D102 D202 D203 R101 C250 C51 C52 R200 VCC UTX1 URX1 LED201 LED203 ANTG1 ANT1 KX TG2260BXS CIRCUIT BOARD BASE UNIT Main Flow Solder Side Vie...

Страница 91: ...32 2 Operation 32 2 1 Component View PbF MIC KX TG2260BXS CIRCUIT BOARD BASE UNIT Operation Component View KX TG2260BXS KX TGA228BXS 91 ...

Страница 92: ...0 R901 REP LCD900 REC CHK MSG1 MSG2 ERS MEMO RDL FLS MUTE SP HLD 2 1 5 6 8 7 GND 29 VCC 18 15 16 17 21 23 26 25 28 30 27 19 20 22 24 4 0 1 30 1 18 ICOM CN900 CN901 6 7 9 11 13 12 10 8 14 9 MIC UP DOWN MICP MICM 3 SKIP STOP LED904 CIQ KX TG2260BXS CIRCUIT BOARD BASE UNIT Operation Flow Solder Side View KX TG2260BXS KX TGA228BXS 92 ...

Страница 93: ...PP C220 Q212 Q201 Q202 SI SO WP TEST C213 R243 D214 R265 R245 C259 R247 R230 C232 C230 C236 C237 R222 C222 C226 C227 R228 R279 R276 R278 R280 C225 C308 C310 R277 C307 C239 C229 R233 C234 C238 C269 C295 C256 R302 R226 R236 R244 C309 C306 R223 R237 R225 R250 R249 R253 R231 R219 R229 C217 R235 R234 C280 C218 C301 C223 IC206 C317 C224 C241 C231 C233 C205 C293 R239 C291 R238 R281 C294 R273 R213 R274 R2...

Страница 94: ... RDL MUTE FLASH KEY8 KEY4 KEY7 KEY SP_PHONE KEY1 DOWN LED205 LED206 LED201 LED202 LED204 LED203 LED207 R216 C210 R217 C215 C212 R218 C208 C207 C206 C209 C211 R240 R232 R224 C296 C287 R205 R206 R202 R201 R204 R203 R207 KX TGA228BXS CIRCUIT BOARD HANDSET Main Flow Solder Side View KX TG2260BXS KX TGA228BXS 94 ...

Страница 95: ...95 KX TG2260BXS KX TGA228BXS H M KXTG2260BXS KXTGA228BXS ...

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