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Panasonic KXTG2226W - 2.4GHZ DIGITAL PHONE, Service Manual

The Panasonic KXTG2226W is a reliable 2.4GHz digital phone that provides excellent sound quality and a range of convenient features. For free, you can easily download the service manual and user manual from our website, enabling you to maximize your experience with this exceptional product.

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Note:
See 

CIRCUIT BOARD (BASE UNIT)

 ().

17.3.1. Charge Circuit

The voltage from the AC is supplied to the main charge circuits. Normal charge (290 mA) of 
maximum 6-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

17.4. Reset Circuit

Function:
This circuit is used to initialize the microcomputer 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.

56

Summary of Contents for KXTG2226W - 2.4GHZ DIGITAL PHONE

Page 1: ...M40305083C1 F12 Telephone Equipment KX TG2226B KX TG2226S KX TG2226W KX TGA226B KX TGA226S KX TGA226W 2 4GHz Digital Cordless Answering System Black Version Silver Version White Version for U S A SPECIFICATIONS 1 ...

Page 2: ...d 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 although with some precautions standard Pb solder can also be used Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C higher than Pb so...

Page 3: ...ure below 1 1 Suggested PbF Solder There are several types of PbF solder available commercially While this product is manufactured using Tin Silver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu or Tin Zinc and Bismuth Sn Zn Bi Please check the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materials ...

Page 4: ...utions will 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...

Page 5: ...tery 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 5 ...

Page 6: ...4 5 Battery Replacement 4 6 Battery information 5 LOCATION OF CONTROLS 5 1 Base Unit 6 ...

Page 7: ...5 2 Handset 7 ...

Page 8: ...6 DISPLAY 6 1 Troubleshooting 8 ...

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Page 13: ...SUSHITA ELECTRIC CORPORATION OF AMERICA MECA IS IN ANY WAY AFFILIATED WITH OR RESPONSIBLE FOR THE ACTS OR OMISSIONS OF OPENLCR COM INC OPENLCR NEITHER PCC NOR MECA NOR ANY OF THEIR EMPLOYEES OR AFFILIATES OR CUSTOMERS MAKE ANY WARRANTIES OR REPRESENTATIONS EITHER EXPRESS OR IMPLIED TO ANY CUSTOMER OR ANY OTHER THIRD PARTY WITH RESPECT TO ANY OF THE SERVICES PROVIDED BY OPENLCR NOR ASSUME NOR CREAT...

Page 14: ...7 2 Downloading Phone Book Data 14 ...

Page 15: ...15 ...

Page 16: ...7 3 Information Download Handset 16 ...

Page 17: ...8 SETTINGS 8 1 Connections 8 2 Display Language 17 ...

Page 18: ...8 3 Dialing Mode Handset 8 4 Direct Commands 18 ...

Page 19: ...9 OPERATIONS 9 1 Making Calls Handset 19 ...

Page 20: ...20 ...

Page 21: ...21 ...

Page 22: ...9 2 Answering Calls Handset 9 3 FLASH Button Handset 22 ...

Page 23: ...9 4 Erasing Messages 23 ...

Page 24: ...can store 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 9 5 1 Storing Names and Numbers Handset 24 ...

Page 25: ...25 ...

Page 26: ...9 5 2 Dialing from the Phone Book Handset 26 ...

Page 27: ...9 5 3 Editing an Item in the Phone Book Handset 27 ...

Page 28: ...9 5 4 Erasing an Item in the Phone Book Handset 10 DISASSEMBLY INSTRUCTIONS 28 ...

Page 29: ...Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 14 A 4 2 Main P C Board Tape and Solder Main P C Board 3 Operational P C Board Screws 2 6 8 B 5 Operational P C Board 29 ...

Page 30: ...move 4 Battery Cover Battery Cover 5 Rear Cabinet Screw 2 6 12 C 1 Screws 2 14 D 2 Screws 2 6 12 E 2 6 Rear Cabinet Rear Cabinet 7 Main P C Board Screw 2 6 12 F 1 Screws 2 9 G 2 Screws 2 9 H 2 Tape and Solder Main P C Board 30 ...

Page 31: ...11 ASSEMBLY INSTRUCTIONS 11 1 Fix the LCD to P C Board Handset 12 TROUBLESHOOTING GUIDE 31 ...

Page 32: ... Reference Check Power Error Message Table Check Playback Check Record Check Battery Charge Check Link Check the RF Unit Check Handset Transmission Check Handset Reception Check Caller ID 12 1 Check Power 32 ...

Page 33: ...Cross Reference Power Supply Circuit Reset Circuit Note Flash Memory is IC300 DSP is IC201 12 2 Error Message Table 33 ...

Page 34: ...data may not be written E 7 The defect of synthesized voice was detected The synthesized voice may not be written E 2 E 8 E A E E The defect of Flash Memory was detected When Flash Memory has the fatal detect replace Flash Memory This error hardly occurs E 4 The defect of DSP was detected The chip in DSP may have a defect 1 Confirm Pins of DSP or resoldering 2 Confirm the oscillation frequency of ...

Page 35: ...nect 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 selected even if the parallel connected telephone is OFF HOOK the line isn t disconnected Cross Reference Telephone Line Interface Auto Disco...

Page 36: ...Flash Memory is IC300 DSP is IC201 12 4 Check Playback Cross Reference Power Supply Circuit Note Flash Memory is IC300 DSP is IC201 12 5 Check Battery Charge 36 ...

Page 37: ...12 6 Check Link 37 ...

Page 38: ... be either in the handset or the base of the defective unit For a defective BASE UNIT place HS of Regular unit working on the cradle of the unit and check to see that the handset links with the base To confirm that they do link lift handset off the cradle and press TALK button A beep is heard and in use charge LED s of the base unit should turn on For a defective HANDSET UNIT place HS on the cradl...

Page 39: ...mode to TEST POWER LOW mode NORMAL POWER mode In this mode both base unit and handset unit can be used as a regular set TEST POWER LOW mode when production unit has been changed into a jig and will be used to check RF link In this mode it is for checking if the sensitivity of RF block for both base unit and handset unit are good or not Procedure as follows to enter this mode 1 Press Soft Left key ...

Page 40: ...o the original NORMAL POWER mode press 2 5 8 0 simultaneously while the handset unit is in stand by not in use not charging A long beep is heard Then disconnect the battery from the handset Reconnect the battery and place the handset on the cradle to exchange security codes A single beep is heard Note You can check the other channels as follows if need 40 ...

Page 41: ...ase 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 LOW Down key 6 19CH LOW Down key 7 20CH LOW Down key 8 21CH LOW Down key 9 22CH LOW Down key 23CH LOW Down key 0 24CH LOW Down key 25CH LOW OFF 26CH LOW OFF 1CH NORMAL OFF 1 4CH NORMAL OFF 2 7CH NORMAL OFF 3 10CH NORMAL OFF 4 13CH NORMAL OFF 5...

Page 42: ...chart Details of confirmation items are following in Check Table for RF Block Note DSP is IC201 for Base Unit DSP is IC201 for Handset Both of RF Blocks for Handset and Base Unit are same 12 7 4 Check Table for RF Block 42 ...

Page 43: ...nect this wire to the Spectrum Analyzer 2 Set Test mode 7 3 Confirm TX power level within 11 5dBm 2 1 Put RF wire to ANT and ANT_GND See Handset Reference Drawing Connect this wire to the Spectrum Analyzer 2 Set Test mode 8 3 Confirm TX power level within 11 5dBm Check point 1 Check L801 L805 D801 D802 R805 R806 C804 C805 C807 FL801 and soldering 2 Check Antenna in BS 1 Check L801 L805 D801 D802 R...

Page 44: ...dset 5 See Base Unit Reference Drawing 6 see Handset Reference Drawing 7 see Test mode flow chart for Base Unit 8 see Test mode flow chart for Handset Note DSP is IC201 for Base Unit DSP is IC201 for Handset 12 7 5 RF DSP interface signal wave form 44 ...

Page 45: ...12 8 Check Handset Transmission Cross Reference SIGNAL ROUTE 45 ...

Page 46: ...lephone Line Interface Calling Line Identification Caller ID Call Waiting Caller ID Note Make sure the format of the Caller ID or Call Waiting 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 13 TEST MODE 13 1 Test mode flow chart for Base Unit 46 ...

Page 47: ... 1 It shows whether the telephone line is connected or not ON OFF HOOK OFF ON HOOK 13 2 TAM Test mode flow chart 47 ...

Page 48: ...13 3 Test mode flow chart for Handset 48 ...

Page 49: ...ck mode of TEST MODE Equipment Frequency counter TP for measurement TP_ANT Measure range 2472 64550 MHz 5 kHz 1ch at Test Standby mode in TEST MODE 13 5 Adjustment Battery Low Detector Voltage After replacing handset s DSP 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 49 ...

Page 50: ...cting the Simulator and Equipments for checking please refer to below Note 2 is refered to No 2 of Check Table for RF Block 13 8 Frequency Table Channel TX RX Frequency MHz Channel TX RX Frequency MHz 1 2472 70400 21 2405 63050 2 2473 21425 22 2406 14400 3 2474 75150 23 2406 65425 4 2475 26175 24 2407 16775 5 2475 77525 25 2407 67800 6 2476 28550 26 2409 21525 7 2476 80225 27 2429 18325 8 2477 312...

Page 51: ...it and handset is performed by time sharing 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 14 2 1 TDD Frame Format The TDD frame is 2mS in length Each subframe contains 128 bits of 7 8 S duration Each subframe cons...

Page 52: ... 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 unit RF signal from the ant...

Page 53: ...COMMUNICATION 15 1 Calling 15 2 To Terminate Communication 15 3 Ringing 53 ...

Page 54: ...ired in a digital telephone answering machine The DSP system is fully controlled by a host processor DSP The host processor provides activation and control of all that functions as follows 17 1 DSP Digital Speech Signal Processing IC201 Voice Message Recording Play back The DSP system use a proprietary speech compression technique to record and store voice message in FLASH MEMORY An error correcti...

Page 55: ...voice signal from telephone line is transmitted to the speaker or the voice signal from speakerphone microphone is transmitted to the Telephone line etc They are determined by the signal path route operation of voice signal Block Interface Circuit RF unit LED Key scan Speaker Microphone Telephone line LCD 17 2 Flash Memory IC300 Following information data is stored Voice signal ex Pre recorded Gre...

Page 56: ... trickle charge 15 mA on the average to prevent from overcharging Normal charge Q150 is ON Trickle charge Q150 is OFF 17 4 Reset Circuit Function This circuit is used to initialize the microcomputer 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 ...

Page 57: ... is output from DSP SPP SPN Thus a monitor tone is heard from the speaker 2 At the same time flashing of the IN USE CHARGE LED900 is obtained from DSP INUSE LED This status is called Intercom stand by 3 The receiving signal flows RF DSP SPP SPN SP 4 The transmission signal flows MIC C235 C236 R213 R214 DSP MIN MIP RF 57 ...

Page 58: ...4 is open Q4 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 DSP RYL turns Q4 ON OFF to make the pulse dialing Side Tone Circuit Basically this circuit prevents the TX signal from feeding back to RX signal As for this unit TX signal feed back from Q1 is canceled by the echo canceller of DSP Note DSP is IC201...

Page 59: ...tion if the voltage is 2 50 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook When the set is off hook the voltage is monitored at DSP DCIN1 the presence absence of a parallel connection is determined when the voltage changes by 0 2 V or more 17 9 Calling Line Identification Caller ID Call Waiting Caller ID Function Calle...

Page 60: ...formats Call Waiting Caller ID Calling Identity Delivery on Call Waiting CIDCW is a CLASS service that allows a customer while off hook on an existing call to receive information about a calling party on a waited call The transmission of the calling information takes place almost immediately after the customer is alerted to the new call so he she can use this information to decide whether to take ...

Page 61: ...Construction The circuit mainly consists of DSP and RF unit as shown in the block diagram 19 1 1 DSP IC201 Function Battery Low Power down detect circuit Ringer Generation Interface circuit RF unit speaker mic LED Key scan LCD Headset 19 1 2 RF unit Mainly voice signal is modulated to RF or it goes the other way 19 1 3 EEPROM IC202 All setting data is stored ex ID code user setting Flash Time Tone...

Page 62: ...makes ID code setting with the base unit 19 4 Ringer and Handset SP Phone DSP 29 31 SP RINGER 19 5 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 micr...

Page 63: ...e headset jack CN203 and DSP 44 HSMIP 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 63 ...

Page 64: ...20 SIGNAL ROUTE Each signal route is as follows 64 ...

Page 65: ...21 CPU DATA BASE UNIT 21 1 IC201 65 ...

Page 66: ...22 CPU DATA HANDSET 22 1 IC201 66 ...

Page 67: ...23 EXPLANATION OF RF UNIT TERMINALS 23 1 IC801 67 ...

Page 68: ...68 ...

Page 69: ...heat and damage the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free 24 2 Procedure 1 Tack 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 ...

Page 70: ...under the pins as they are heated 24 3 Removing Solder from Between Pins 1 Add a small amount of solder to the bridged pins 2 With a hot iron use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads 25 CABINET AND ELECTRICAL PARTS BASE UNIT 70 ...

Page 71: ...26 CABINET AND ELECTRICAL PARTS HANDSET 71 ...

Page 72: ...27 ACCESSORIES AND PACKING MATERIALS 72 ...

Page 73: ...28 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 28 1 Base Unit 28 2 Handset 73 ...

Page 74: ...the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When replacing any of these components only use specified manufacture s parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part 4 ISO code Example ABS 94HB of the remarks colu...

Page 75: ...29 1 Base Unit 29 1 1 Cabinet and Electrical Parts 75 ...

Page 76: ...POM HB 11 PQJT10209Y TERMINAL CHARGE 12 PQBC10391Z1 BUTTON ANSWER ON for KX TG2226B PS HB 12 PQBC10391Z2 BUTTON ANSWER ON for KX TG2226S PS HB 12 PQBC10391Z3 BUTTON ANSWER ON for KX TG2226W PS HB 13 PQSX10246Z KEYBOARD SWITCH for KX TG2226B 13 PQSX10246Y KEYBOARD SWITCH for KX TG2226S 13 PQSX10246W KEYBOARD SWITCH for KX TG2226W 14 PQBC10392Z1 BUTTON NEW MESSAGE for KX TG2226B for KX TG2226S 14 PQ...

Page 77: ...A111 DIODE SI D4 PQVDMD5S DIODE SI D5 B0JCME000035 DIODE SI D101 PQVDHRU0302A DIODE SI S D102 PQVDHRU0302A DIODE SI S D103 PQVDHRU0302A DIODE SI S D152 MA8220 DIODE SI D153 MA8220 DIODE SI D202 MA111 DIODE SI D205 MA111 DIODE SI D801 MA27P0700L DIODE SI D802 MA27P0700L DIODE SI COILS L1 PQLQXF330K COIL S L2 PQLQXF330K COIL S L3 PQLQXF3R3K COIL S L150 G1C6R8MA0072 COIL L151 G1C6R8MA0072 COIL L200 P...

Page 78: ...4 100K R51 ERJ3GEYJ470 47 R52 ERJ3GEYJ394 390K R55 ERJ2GEJ102 1K R57 ERJ2GE0R00 0 R70 ERJ3GEYJ392 3 9K R105 ERJ3GEYJ104 100K R108 PQ4R10XJ000 0 S R109 ERJ3GEYJ334 330K R112 ERJ3GEYJ273 27K R150 ERJ3GEYJ104 100K R151 ERJ3GEYJ331 330 R152 ERJ3GEYJ391 390 R153 PQ4R10XJ150 15 S R154 PQ4R10XJ120 12 S R155 PQ4R10XJ120 12 S R156 PQ4R10XJ120 12 S R157 ERJ12YJ221 220 R159 ERJ3GEYJ103 10K R160 ERJ3GEYJ563 5...

Page 79: ...4 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 CAPACITORS C1 EEE1CA100SR 10 C3 ECUE1A473KBQ 0 047 C4 ECUV1H101JCV 100P C6 ECUV1H103KBV 0 01 C8 EEE1HA010SR 100P C9 ECUV1H103KBV 0 01 ...

Page 80: ...0CCQ 5 C230 ECUV1A106ZF 10 S C231 ECUE1C104ZFQ 0 1 C232 ECUV1H101JCV 100P C233 ECUV1H101JCV 100P C234 ECUE1E103ZFQ 0 01 C235 ECUE1C103KBQ 0 01 C236 ECUV1H103KBV 0 01 C237 EEE1CA100SR 0 1 C238 ECUE1E103ZFQ 0 01 C239 EEE0JA221WP 220P C241 ECUV1C104ZFV 0 1 C242 ECUE1H272KBQ 0 0027 C244 ECUE1A104KBQ 0 1 C245 ECUV1H121JCV 120P C250 ECUV1C473KBV 0 047 C251 ECUE1C104ZFQ 0 1 C252 ECUE1C104ZFQ 0 1 C260 ECU...

Page 81: ...00DCQ 10P S C816 ECUE1H100DCQ 10P S C817 ECUE1C104ZFQ 0 1 C818 ECUE1C104ZFQ 0 1 C819 ECUE1H391KBQ 390P C820 ECUE1C104ZFQ 0 1 C821 ECUE1H102KBQ 0 001 S C822 ECUE1H010CCQ 1P S C823 ECSTAJ0JA106 10 S C824 ECUE1H102KBQ 0 001 S C825 ECUE1H681KBQ 680P C827 ECUE1H102KBQ 0 001 S C828 ECUE1H102KBQ 0 001 S C829 ECUE1H102KBQ 0 001 S C830 ECUV1A105ZFV 1 C831 ECUV1A105ZFV 1 C833 ECSTAJ0JA106 10 S C856 ECUE1H2R...

Page 82: ...LED902 LNJ211R8ARU LED LED903 LNJ211R8ARU LED RESISTORS R900 ERJ3GEYJ104 100K R901 ERJ3GEYJ104 100K R902 ERJ3GEYJ104 100K R903 ERJ3GEYJ104 100K R904 ERJ3GEY0R00 0 R905 ERJ3GEY0R00 0 R906 ERJ3GEYJ181 180 R910 ERJ3GEY0R00 0 CAPACITORS C900 ECUV1H101JCV 100P C901 ECUV1H101JCV 100P OTHERS CN901 PQJS30A12Z CONNECTOR S E3 L0CBAB000044 MICROPHONE E4 L5DCBCB00013 LIQUID CRYSTAL DISPLAY E5 PQHS10192Z FELT ...

Page 83: ... PQHG10679Z PACKING E P 117 PQHS10386Z COVER MIC 118 PQWE10031Z BATTERY TERMINAL CHARGE 119 PQHR10778Z GUIDE SP ABS HB 120 PQAS3P07Y SPEAKER 121 PQHG10666Y SPACER SP RUBBER SHEET 122 PQHS10615Z SPACER SP 123 PQHS10598Z SPACER CABINET 124 PQKE10370Z1 COVER E P for KX TG2226B 124 PQKE10370Z2 COVER E P for KX TG2226S 124 PQKE10370Z3 COVER E P for KX TG2226W 125 PQHG10675Y PACKING CABINET 126 PQKF1059...

Page 84: ...E SI D206 B0JCMD000017 DIODE SI D207 B0JCMD000017 DIODE SI D208 B0JCMD000017 DIODE SI D214 MA111 DIODE SI D217 PQVDEP10LA03 DIODE SI S D801 MA27P0700L DIODE SI D802 MA27P0700L DIODE SI LED201 PQVDSML310MT LED S LED202 PQVDSML310MT LED S LED203 PQVDSML310MT LED S LED204 PQVDSML310MT LED S LED205 PQVDSML310MT LED S LED206 PQVDSML310MT LED S LED207 PQVDSML310MT LED S COILS L203 J0JCC0000186 COIL L205...

Page 85: ...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 ERJ3GEY0R00 0 R244 ERJ2GEJ473 47K R245 ERJ2GEJ103 10K R246 ERJ2GEJ393X 39K R247 ERJ2GEJ182 1 8K R248 ERJ2GEJ393X 39K R249 ERJ2GEJ182 1 8K R250 ERJ2GEJ182 1 8K R253 ERJ2GEJ222 2 2K R265 ERJ2GEJ103 10K R270 ERJ2GEJ104 100K R276 ERJ...

Page 86: ...Q 0 1 C226 ECUE1C104ZFQ 0 1 C228 ECUE1C104ZFQ 0 1 C229 ECUE1C104ZFQ 0 1 C230 ECUE1C183KBQ 0 018 C231 ECUV1A224KBV 0 22 C232 ECUE1C183KBQ 0 018 C233 ECUV1A105ZFV 1 C236 ECUE1H4R0CCQ 4 C237 ECUE1H4R0CCQ 4 C243 ECUE1C103KBQ 0 01 C244 ECUE1C104ZFQ 0 1 C255 ECUV1A224KBV 0 22 C257 ECST0JY226 22 C267 ECST0JY226 22 C274 ECUE1C104ZFQ 0 1 C277 ECUE1C103KBQ 0 01 C291 ECUE1C104ZFQ 0 1 C293 ECUE1H221JCQ 220P C...

Page 87: ...BQ 0 001 S C828 ECUE1H102KBQ 0 001 S C829 ECUE1H102KBQ 0 001 S C830 ECUV1A105ZFV 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 10...

Page 88: ...CK GUIDE for English A8 PQQW12877Z QUICK GUIDE for Spanish A9 PQQW12842Z LEAFLET A10 PQQT22628Z LABEL TAM A11 PQQW13114Z LEAFLET P1 XZB23X30A06 PROTECTION COVER for Base Unit P2 XZB08X30A04 PROTECTION COVER for Handset P3 PQPK13990Z GIFT BOX for KX TG2226B P3 PQPK13991Z GIFT BOX for KX TG2226S P3 PQPK14044Z GIFT BOX for KX TG2226W P4 PQPN11707Z ACCESSORY BOX P5 PQXDDS400 8 LABEL SECURITY TAG ABS H...

Page 89: ...ain 31 2 Operation 31 3 Memo 32 SCHEMATIC DIAGRAM HANDSET 33 CIRCUIT BOARD BASE UNIT 33 1 Main 33 1 1 Component View 33 1 2 Flow Solder Side View 33 2 Operation 33 2 1 Component View 33 2 2 Flow Solder Side View 34 CIRCUIT BOARD Handset 34 1 Component View 34 2 Flow Solder Side View M KXTG2226B KXTG2226S KXTG2226W KXTGA226B KXTGA226S KXTGA226W 89 ...

Page 90: ...18 1 1 30 PbF IC201 CN101 CN100 30 51 50 1 Marked ...

Page 91: ...ED900 LED903 LED902 LCD900 CN901 30 1 1 3 4 5 6 7 8 9 10 29 26 27 11 18 17 16 15 22 21 20 19 23 24 25 30 12 13 14 MIC PbF MICP MICM R904 R910 R911 R901 R903 C900 C901 R902 R900 R906 R907 R905 C902 Marked ...

Page 92: ...LCD900 1 12 MSG1 REG CHK ANS1 ANS2 ERS STOP REP SKIP DOWN UP ICON PbF MIC MSG2 Marked ...

Page 93: ...IC201 PbF ANT ANTG Marked ...

Page 94: ...5 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 C252 R209 C22...

Page 95: ...8 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 C277 SCK BT ...

Page 96: ... TG2226B S W BLOCK DIAGRAM 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 LED902 LED900 79 69 36 34 2 SO SI CLK CS WP RST OPERATIONAL P C BOARD RF_UNIT DSP ANSWER_LED INSUE_LED CHG_CTL CHG SPN SPP VCCPA VCCA VCC POWER_DOWN RESET CIDIPO CIDINO BELL DCINO RLY VRF FLASH MEMORY VCC SP MIC RE...

Page 97: ...OM KEY PAD KEY LEDS 8 192MHz X201 OSC CN203 LCD_ EEPROM_DO 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 TGA226B S W 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 14 51 52 46 47 66 48 POWER DOWN IC205 IC203 3 0V REG IC204 3 0V REG DC DC CONVERTER Q212 L...

Page 98: ...2 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 IO14 S501 LOCATOR NC 3 4 100 R204 1K R235 NC R241 RST SYN_DATA SYN_EN SYN_CLK TXMOD RXGAIN RXEN TXEN SHCTRL RX_DATA RSTN RSSI Vpow OSC 1 2 C823 10uF 10p C803 330 R805 NC C812 220p C865 2p C867 2p C861 4 7 R804 NC C868 0 1uF C820 FL801 3 1 4 2 1p C804 IC801 1 ...

Page 99: ...108 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 120P C245 C450 6 3V100u C705 C250 K0 047 C453 3P NC L202 Z0 1 C402 3 3u L3 DCP NC C246 C20 VCC1 680 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 KIN4 11 KIN3 12 KIN2 13 KIN1 14 ANSLED 15 VMLED 16 SPLED 17 INUSELED 18 G...

Page 100: ...108 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 120P C245 C450 6 3V100u C705 C250 K0 047 C453 3P NC L202 Z0 1 C402 3 3u L3 DCP NC C246 C20 VCC1 680 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 KIN4 11 KIN3 12 KIN2 13 KIN1 14 ANSLED 15 VMLED 16 SPLED 17 INUSELED 18 G...

Page 101: ...SEG6 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 R900 100K C900 100P R901 100K R902 100K R903 100K C901 100P STOP STOP ANS1 ANS1 MIC MICM MICP NC C902 ANS2 ANS2 LED903 ANS_LED R904 0 R905 0 R906 180 ICOM ICOM KX TG2226B S W SCHEMATIC DIAGRAM BASE UNIT Operation NC ...

Page 102: ...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...

Page 103: ... RXI 67 NC 68 NC 69 DC DC_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 6 3V22 C257 C308 C3P Q204 R278 100K R279 100 R276 470 R277 470 C306 0 1 C30...

Page 104: ... RXI 67 NC 68 NC 69 DC DC_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 6 3V22 C257 C308 C3P Q204 R278 100K R279 100 R276 470 R277 470 C306 0 1 C30...

Page 105: ...C801 IC100 X200 IC201 IC202 IC300 S501 RF CN101 CN100 30 31 50 51 80 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 C405 C412 C420...

Page 106: ...D1 Q1 C5 C6 C4 R16 R13 Q3 Q2 1 1 PDN 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 TG2226B S W CIRCUIT BOARD BASE UNIT Main Flow Solder Side...

Page 107: ...ASE UNIT Operation Component View LED900 LED903 LED902 LCD900 CN901 30 1 1 3 4 5 6 7 8 9 10 29 26 27 11 18 17 16 15 22 21 20 19 23 24 25 30 12 13 14 MIC PbF MICP MICM R904 R910 R911 R901 R903 C900 C901 R902 R900 R906 R907 R905 C902 ...

Page 108: ...KX TG2226B S W CIRCUIT BOARD BASE UNIT Operation Flow Solder Side View LCD900 1 12 MSG1 REG CHK ANS1 ANS2 ERS STOP REP SKIP DOWN UP ICON PbF MIC MSG2 ...

Page 109: ... CN203 C270 C285 RA201 C267 D207 TPM TPP C220 Q212 Q201 Q202 SI SO WP TEST C213 R243 D214 R265 R245 C259 R247 R230 C232 C230 C236 C237 R222C222 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 ...

Page 110: ... 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 TGA226B S W CIRCUIT BOARD HANDSET Main Flow Solder Side View RSSI ...

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