Panasonic KX-TG2359BXB Service Manual Download Page 117

Page: 117 / 120

38 CIRCUIT BOARD (Handset)

38.1. Component View

IC901

IC204

IC201

IC206

IC202

IC207

CN203

PbF

Q207

D213

D212

D203

D216

D215

L207

D208

D207

R200

C274

C278

C277

C272

C239

C234

C285

C228

C242

C240

R210

R266

R260

R225

R228

C227

C303

C302

C301

C216

C214

C215

C212

C275

C217

C230

C224

C223

C308

C307

C267

C237

R295

R241

C306

R285

C298

R276

R286

R256

R257

R254

R255

C312

L202

C309

C311

R284

C296

R222

C222

R242

R249

R235

R279

R223

R224

R273

R290

R272

R232

L204

L206

L321

L320

L209

L210

D209

D220

C294

C208

D320

C225

C284

C323

C321

C324

R321

R227

R226

R320

C320

C268

D217

D218

C269

C221

C219

C218

C980

C979

C963

C962

C978

C977

C976

R931

R943

R940

R941

R932

R933

R906

R942

R930

R919

C961

C956

C917

C937

C960

C984

C983

RA901

C964

C995

C966

C965

C943

C946

C941

C993

C944

C942

C994

L990

C992

C985

FL901

L901

R903

C910

R992

R991

L904

L913

C911

C904

C913

D903

D904

C901

C912

L903

L909

C940

C939

L911

C918

C915

C921

C903

C920

C981

C914
R909
C996
C922

C991

C990

C952

C958

C957

C959

L905

L912

C938

L205

C322

C226

C229

R274
R277

R275

R220

R278

C205

C206

C209

L203

Q201

C291

C203 C204

R247
R234
C280

R230 C231

RA205

CA201

RA204

C236

R245

R264

R248

R246

R236

R263

R270

R269

R268

L208

C271

C276

C273

Q205

Q206

IC205

IC203

Q212

D205

D206

Q208

Q209

Q210

Q204

C220

C213

RA201

X201

IC208

CHG1

CHG2

VSS

VBAT

VBAT2

VSS2

RST

PDN

MICM

SPP

RXI

RSSI

TXO

DEMOD

RECEIVER

SP-PHONE

BCK

SPM

MICP

VCC

INT_0 VE_HK

100

KX-TG2359BXB CIRCUIT BOARD (Component View (Handset))

TXO

ANT

ANTG

SPP

RXI

RSSI

BCK (13.824MHz)

PDN RST

MICM MICP

VSS

VBAT

(3.9V)

VCC

(3.0V)

SPM

SPP

SPM

R271

INT1

-T

G235

9BX

117

Summary of Contents for KX-TG2359BXB

Page 1: ... All rights reserved Unauthorized copying and distribution is a violation of law KX TG2359BXB Dual Handsets Digital Cordless Answering System Black Version for Asia Middle Near East and Other Areas Telephone Equipment ORDER NO KM40404398C3 ...

Page 2: ...UIDE 47 12 1 Check Power 48 12 2 Error Message Table 48 12 3 Check Record 49 12 4 Check Playback 50 12 5 Check Sp phone Transmission 50 12 6 Check Sp phone Reception 51 12 7 Check Battery Charge 51 12 8 Check Link 52 12 9 Check the RF Part 53 12 10 Check Handset Transmission 57 12 11 Check Handset Reception 57 12 12 Check Caller ID 57 13 TEST MODE 58 13 1 Test Mode Flow Chart for Base Unit 58 13 2...

Page 3: ...en Pins 94 26 CABINET AND ELECTRICAL PARTS Base Unit 95 27 CABINET AND ELECTRICAL PARTS Handset 96 28 CABINET AND ELECTRICAL PARTS Charger Unit 97 29 ACCESSORIES AND PACKING MATERIALS 98 30 TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES 99 30 1 Base Unit 99 30 2 Handset 99 30 3 Charger Unit 100 31 REPLACEMENT PARTS LIST 101 31 1 Base Unit 101 31 2 Handset 103 31 3 Charger Unit 105 31 4 Accessor...

Page 4: ... careful 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 co...

Page 5: ...ree solder is used 1 2 1 Base Unit PCB IC201 IC501 IC300 IC701 IC901 IC601 PbF Marked Component View IC301 PbF LCD700 Marked Flow Solder Side View Note The location of the PbF mark is subject to change without notice 5 KX TG2359BXB ...

Page 6: ...2 IC203 PbF Marked Component View Note The location of the PbF mark is subject to change without notice 1 2 3 Charger Unit IC1 PbF CN1 Marked Component View Note The location of the PbF mark is subject to change without notice 6 KX TG2359BXB ...

Page 7: ...c parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on worktable 4 Do not grasp IC or LSI pins with bare fingers 3 CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s Instructions 7 KX TG2359BXB ...

Page 8: ...echarge Note 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 8 KX TG2359BXB ...

Page 9: ...4 1 4 Battery Information 4 2 Battery Replacement 9 KX TG2359BXB ...

Page 10: ...5 LOCATION OF CONTROLS 5 1 Base unit 10 KX TG2359BXB ...

Page 11: ...5 2 Handset 11 KX TG2359BXB ...

Page 12: ...5 3 Charger Unit 12 KX TG2359BXB ...

Page 13: ...6 DISPLAY 6 1 Base Unit Display 13 KX TG2359BXB ...

Page 14: ...6 2 Troubleshooting Handset LCD The following will be displayed when the unit needs your attention Cross Reference Erasing an Item in the Phone Book P 37 14 KX TG2359BXB ...

Page 15: ...7 SETTINGS 7 1 Connections 7 1 1 Base Unit 7 1 2 Charger Unit 15 KX TG2359BXB ...

Page 16: ...7 2 Connecting an Optional Headset 16 KX TG2359BXB ...

Page 17: ...7 3 Function Menu Table Cross Reference Direct Commands P 22 17 KX TG2359BXB ...

Page 18: ...7 4 Date and Time 18 KX TG2359BXB ...

Page 19: ...7 5 Dialing Mode 7 6 Line Mode 19 KX TG2359BXB ...

Page 20: ...7 7 Voice Enhancer Technology 20 KX TG2359BXB ...

Page 21: ...7 8 Ringer Tone 21 KX TG2359BXB ...

Page 22: ...7 9 Direct Commands Cross Reference Date and Time P 18 Copying Items in the Phone Book P 38 22 KX TG2359BXB ...

Page 23: ...8 OPERATION 8 1 Answering System 8 1 1 Greeting Message 23 KX TG2359BXB ...

Page 24: ...8 1 2 Caller s Recording Time 24 KX TG2359BXB ...

Page 25: ...8 1 3 Message Alert 25 KX TG2359BXB ...

Page 26: ...8 1 4 Erasing Messages 26 KX TG2359BXB ...

Page 27: ...8 2 For Call Waiting Service Users 8 3 Using the PAUSE Key 27 KX TG2359BXB ...

Page 28: ...8 4 Dial Lock 28 KX TG2359BXB ...

Page 29: ...8 5 FLASH Button 29 KX TG2359BXB ...

Page 30: ...8 6 Remote Operation from a Touch Tone Phone 8 6 1 Remote Code 30 KX TG2359BXB ...

Page 31: ...8 6 2 Voice Menu 31 KX TG2359BXB ...

Page 32: ...8 6 3 Direct Remote Operation 32 KX TG2359BXB ...

Page 33: ...8 7 Phone Book 8 7 1 Storing Names And Numbers Cross Reference Chain Dial P 36 33 KX TG2359BXB ...

Page 34: ...34 KX TG2359BXB ...

Page 35: ...8 7 2 Dialing from the Phone Book 35 KX TG2359BXB ...

Page 36: ...8 7 3 Chain Dial 36 KX TG2359BXB ...

Page 37: ...8 7 4 Editing an Item in the Phone Book Cross Reference Dialing from the Phone Book P 35 8 7 5 Erasing an Item in the Phone Book Cross Reference Dialing from the Phone Book P 35 37 KX TG2359BXB ...

Page 38: ...8 7 6 Copying Items in the Phone Book 38 KX TG2359BXB ...

Page 39: ...9 TROUBLESHOOTING Cross Reference 1 Re registering a Handset P 53 2 Battery Charge P 8 3 Dial Lock P 28 39 KX TG2359BXB ...

Page 40: ...Cross Reference 4 Dial Lock P 28 5 Message Alert P 25 6 Connecting an Optional Headset P 16 40 KX TG2359BXB ...

Page 41: ...Cross Reference 7 Caller s Recording Time P 24 8 Erasing Messages P 26 9 Remote Code P 30 10 To turn on the Answering System in Direct Remote Operation P 32 11 Date and Time P 18 41 KX TG2359BXB ...

Page 42: ... on one of two Handsets replace their extension numbers as in the steps below 1 Change the extension number of the Handset on which you CAN talk into the number of the other Handset on which you CANNOT talk 2 Change the extension number of the Handset on which you CANNOT talk into the number of the other Handset on which you CAN talk Lastly re register both Handsets to the Base Unit 42 KX TG2359BX...

Page 43: ...10 DISASSEMBLY INSTRUCTIONS 10 1 Base Unit Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 14 A 5 2 Main P C Board Tape and Solder 3 Screws 2 6 8 B 8 43 KX TG2359BXB ...

Page 44: ...10 2 Handset Shown in Fig To Remove Remove 4 Rear Cabinet Screws 2 6 12 C 2 5 Follow the procedure 6 Main P C Board Tape and Solder 7 Screw 2 6 12 D 1 Screws 2 6 9 E 2 Charge Terminals 44 KX TG2359BXB ...

Page 45: ...10 3 Charger Unit Shown in Fig To Remove Remove 8 Lower Cabinet Screw 2 6 12 F 1 9 Main P C Board Main P C Board 45 KX TG2359BXB ...

Page 46: ...11 ASSEMBLY INSTRUCTIONS 11 1 Fix the LCD to P C Board Handset 46 KX TG2359BXB ...

Page 47: ... 52 Check the RF Part P 53 Check Handset Transmission P 57 Check Handset Reception P 57 Check Caller ID P 57 Note 1 When a user claims that the unit disconnects a call right after the greeting message and no incoming messages can be recorded this symptom can not be reappeared with TEL simulator in the service center So in that case try Check Record item C 12 TROUBLESHOOTING GUIDE 47 KX TG2359BXB ...

Page 48: ...ld not be done 1 Check the peripheral circuit of Flash Memory visually 2 Confirm that the voltage is added to the power supply pin If no voltage is detected replace the Flash Memory because it might be defect 3 Solder the Flash Memory again E3 E9 When the adjustment data was checked an error was detected The adjustment data may not be written Note Flash Memory is IC701 48 KX TG2359BXB ...

Page 49: ...e ON Hook and OFF Hook voltages are lower than conventional lines which may cause a malfunction of Auto Disconnect detection To solve this problem try changing the Auto Disconnect activation time through the procedures below Auto Disconnect activation time PROCEDURE Status Enable 2 sec default STOP GREETING CHK LOCATOR simultaneously Stand by 4 sec STOP GREETING CHK UP simultaneously Disable STOP ...

Page 50: ...ly Circuit P 77 Cross Reference Telephone Line Interface P 80 SIGNAL ROUTE P 90 Note Flash Memory is IC701 DSP is IC501 Note Flash Memory is IC701 DSP is IC501 12 4 Check Playback 12 5 Check Sp phone Transmission 50 KX TG2359BXB ...

Page 51: ...Cross Reference Telephone Line Interface P 80 SIGNAL ROUTE P 90 Note Flash Memory is IC701 DSP is IC501 Note DSP is IC501 12 6 Check Sp phone Reception 12 7 Check Battery Charge 51 KX TG2359BXB ...

Page 52: ...12 8 Check Link 1 Refer to Finding Out the Defective Part P 53 Cross Reference RF Check Flowchart P 54 52 KX TG2359BXB ...

Page 53: ...rt 12 9 1 Finding Out the Defective Part After All the Checkings or Repairing Re register Handset to be checked to Base Unit to be checked and HS to BU Regular unit working 12 9 1 1 Re registering a Handset 53 KX TG2359BXB ...

Page 54: ...12 9 2 RF Check Flowchart Each item 1a 5 of RF Check Flowchart corresponds to Check Table for RF part Please refer to the each item Cross Reference Check Table for RF part P 55 54 KX TG2359BXB ...

Page 55: ...lar Unit to TEST Link mode 1 CH 45ch TX Power High RX Gain High 3 Set HS to TEST Link mode 1 CH 45ch TX Power High RX Gain Low 4 Press 1 key of HS to establish link about 5m away from BU Regular Unit 5 Press 1 key of HS to set RSSI mode and press 2 key to set RX Gain Low 6 Confirm the value of RSSI in LCD of HS is more than e0 hex 2 Control signal confirmation 1 Set TX Burst mode 1 2 Check DSP int...

Page 56: ...12 9 4 RF DSP interface signal wave form 56 KX TG2359BXB ...

Page 57: ...ce P 80 Calling Line Identification Caller ID P 83 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 12 10 Check Handset Transmission 12 11 Check Handset Reception 12 12 Check Caller ID 57 KX TG2359BXB ...

Page 58: ...13 TEST MODE 13 1 Test Mode Flow Chart for Base Unit 13 1 1 TX Burst Mode and Adjust X tal Mode 58 KX TG2359BXB ...

Page 59: ...13 1 2 RX CW TEST Mode 59 KX TG2359BXB ...

Page 60: ...13 1 3 Test Link Mode Note 1 for factory use only 60 KX TG2359BXB ...

Page 61: ...13 2 Test Mode Flow Chart for Handset 13 2 1 TX Burst Mode 61 KX TG2359BXB ...

Page 62: ...13 2 2 RX CW TEST Mode 62 KX TG2359BXB ...

Page 63: ...13 2 3 Test Link Mode Note 1 LCD displays the Channel number exception default CH00 1ch 2 for factory use only 63 KX TG2359BXB ...

Page 64: ...low X tal mode and Batt Low Mode Cross Reference 1 Adjustment Battery Low Detector Voltage Handset P 65 Note 2 These are the default values 3 These values may not be fixed depending on the battery strength 64 KX TG2359BXB ...

Page 65: ...checking tolerance 100Hz adjust to Adjustment tolelance 30Hz by pressing or key Adjustment Tolerance 13 824MHz 30Hz 5 Press TALK key to write the new frequency factor in EEPROM 6 Turn the power off Then this value is available Cross Reference Adjustment flow X tal mode and Batt Low Mode P 64 13 4 Adjustment Battery Low Detector Voltage Handset After handset s DSP IC201 or EEPROM IC202 replacement ...

Page 66: ...1 D381 R381 R164 D402 D161 D401 L402 L376 L377 D376 D377 L401 SP CHG YELLOW WHITE IC501 PbF IC701 DA101 Q150 C167 Q161 D404 C415 Q382 Q381 C315 D302 D301 Q202 IC201 L800 C802 L301 X801 C803 Q106 D103 Q104 Q105 CN101 LCD700 MIC C170 VCC FVCC RA702 KIN4 TTS1 RA701 INT0 UVCC2 URX2 UTX2 W_VDD IO1 JG2 IC300 JC2 JS2 JI2 JO2 FGND FRST BCK RSSI W_GND UGND2 TTS2 LGS1 LOUT1 Q103 C101 C102 IC901 C942 Q354 A ...

Page 67: ...MUTE FLS ICOM R Y B G MICP1 MICM1 9 ANT1 ANTG1 LED721 LED722 LED724 R351 R352 R355 R356 Q570 Q301 R571 C570 R572 R300 C310 L302 C302 R301 R305 C301 C303 R303 C309 C304 R353 LED723 D306 D303 SPECTRUM ANALYZER ANT1 ANT1 ANTG1 DC 9V DC DCP DCM 1 DC VOLT METER ATT SG SG out AF VOLT METER OSCILLOSCOPE BELL SIMULATOR LOOP SIMULATOR Ring Tip L1R L1T Call_ID SIMULATOR FREQUENCY COUNTER 1 AF OSC AF OSC Flo...

Page 68: ...3 Q201 L208 Q205 Q206 IC205 IC203 Q212 D205 D206 Q208 Q209 Q210 Q204 C220 C213 RA201 X201 IC208 CHG1 CHG2 VSS VBAT RX TX VBAT2 VSS2 RST PDN MICM SPP RXI RSSI TXO DEMOD RECEIVER SP PHONE BCK SPM MICP VCC INT_0 VE_HK ANT ANT GND SSG FREQUENCY COUNTER 1 AC VOLT METER DC VOLT METER DC POWER SUPPLY MONITOR SP 8 OSCILLOSCOPE SPM SPP MIC_M MIC_P OSC 1 1kHz MIC LOAD 47 47 150 SPP SPM AC VOLT METER OSCILLO...

Page 69: ...2438 372900 2438 183057 44 2439 266748 2439 076904 45 2440 156641 2439 966797 46 2441 050488 2440 860645 47 2441 940381 2441 750537 48 2442 834229 2442 644385 49 2443 724121 2443 534277 50 2444 617969 2444 428125 51 2445 507861 2445 318018 52 2446 401709 2446 211865 53 2447 291602 2447 101758 54 2448 185449 2447 995605 55 2449 075342 2448 885498 56 2449 969189 2449 779346 57 2450 859082 2450 66923...

Page 70: ...oice messages Stored phone numbers Caller list and etc This operation should not be performed for a usual repair 13 8 1 Base unit 13 8 2 Handset Note 1 Be sure to short the battery terminals of the handset with a lead wire etc for 2 seconds for discharge after removing the battery 70 KX TG2359BXB ...

Page 71: ...frequency The construction of RX TX frequency data is shown below It consists of 4 slots from the base unit to the cordless handset and 4 slots from the cordless handset to the base unit total 8 slots in 10ms By this slot system simultaneous air link and communication between 4 cordless handsets and the base unit can be realized One communication between cordless handset and the base unit is done ...

Page 72: ...k3 and UpLink4 is different frequency UpLink3 and DownLink3 use the same frequency 2 Handsets Link Traffic Bearer A link is established between Base set and handset The state where duplex communication is performed The hopping pattern of a 1800hops 18 seconds cycle Dummy Bearer The Base unit send Dummy data to the all stand by state Handsets The Handsets receive that data for keeping synchronizati...

Page 73: ... DSP IC201 The DSP performs TDD TDMA and ADPCM decoding to convert the RX DATA into the voice signal then it is output to the speaker Transmission The voice signal entering from the microphone is led to DSP IC201 The DSP encodes ADPCM and TDD TDMA with FHSS to TX DATA The TX DATA signal enters IC901 of RF UNIT and is modulated to 2 4GHz The RF signal is fed into Tx Rx switch D904 The RF signal is ...

Page 74: ...15 EXPLANATION OF LINK DATA COMMUNICATION 15 1 Calling 15 2 To Terminate Communication 15 3 Ringing 74 KX TG2359BXB ...

Page 75: ... VCCR VCC VCCA VCCPA HIP HIN SPP SPN CHG_CTL CHG SO SI BCLK CS RESET IC501 DSP VBATT2 IC701 FLASH MEMORY VCC MIC SP IC301 Q301 D303 IC300 IC601 3 3V REGULATOR CHARGE DETECT CHARGE CONTROL 4 0V CONVERTOR 2 5V REGULATORS Q381 Q382 Q350 Q351 Q354 CHARGE_CONTACT Q104 Q161 Q150 RLY SIDE TONE CIRCUIT INUSE2 DETECT INUSE1 DETECT RECEIVE AMP D101 Q106 BELL DETECT CN101 DC_TEL JACK Tip Ring DC DC KX TG2359...

Page 76: ...RY DTMF Detection Generator The DTMF detection is implemented by the DSP system in software The DTMF detection 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 Synthesized Voice Pre recorded message The DSP implements synthesized Voice utilizing the built in speech detector and an FLASH MEMORY whic...

Page 77: ...le 17 2 Flash Memory IC701 Following information data is stored Voice signal ex Pre recorded Greeting message Incoming message Telephone number etc ex Telephone Directory number Caller ID data ID code Settings ex message numbers caller ID numbers pulse tone dial 17 3 Power Supply Circuit Function The power supply voltage from AC adaptor is converted to the desired voltage of each block Circuit Ope...

Page 78: ...charging Q381 and Q382 detect the ON HOOK state Handset is placed on base unit Q350 and Q351 control the charge current Q352 sends a signal to the handset for about 5 seconds soon after the handset is placed on the base unit This signal tells that the handset is been charging on the base unit or the optional charger When the signal is received charging on the base unit No signal charging on the op...

Page 79: ...ter when it incorporates an AC adaptor Circuit Operation When the AC Adaptor is inserted into the unit then the voltage is shifted by IC300 and power is supplied to the DSP The set starts to operate when VCC goes up to 3 3V or more in the circuit voltage diagram 79 KX TG2359BXB ...

Page 80: ...the idle mode Q104 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 L101 R130 C116 Q106 DSP pin 3 BELL When the CPU DSP detects a ring signal Q104 turns on thus providing an off hook condition active DC current flow through the circuit Following signal flow ...

Page 81: ...cuit Operation The voltage of pin50 of IC501 is monitored If a parallel connected telephone is put into OFF HOOK status the presence absence of a parallel connection is determined when the voltage changes by 0 2V or more When the set detects the parallel connected telephone is OFF HOOK status the line is disconnected You can enable or disable the Auto Disconnect function See Check Record P 49 81 K...

Page 82: ... or off hook by detecting changes in the T R voltage Circuit Operation Parallel connection detection when on hook When the set is on hook the voltage is monitored at DSP DCIN0 There is no parallel connection 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 mo...

Page 83: ...r DTMF The 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 sec...

Page 84: ...18 BLOCK DIAGRAM Handset KX TG2359BXB BLOCK DIAGRAM Handset 2 5V VBATT2 3 0V IC205 D206 D213 D205 D208 D207 2 IC202 IC203 IC201 IC204 DI MOD_EN RXGAIN RSTN HSMIP HSMIN 1 INT_1 INT 1 84 KX TG2359BXB ...

Page 85: ... The Meaning of the Motion of Pin 100 The period of Host Power Up Hardware Initialization In this period the host sets up some registers in order to wake up the system The period of Host Reset Software Initialization In this period the host reads the parameter from the memory and initializes module 19 1 2 RF unit Mainly voice signal is modulated to RF or it goes the other way 19 1 3 EEPROM IC202 A...

Page 86: ...tely to each block BATTERY 3 6V KEY BACK LIGHT RF UNIT REG 2 5V IC204 DSP LCD IC201 EEPROM IC202 MIC CIRCUIT 3 6V VBATT2 REG 3 0V IC203 Block Diagram Handset Power LEDS 3 0V BATT BATT CHARGE2 CHARGE1 D206 Q212 Q207 D213 D205 D208 D207 2 1 86 KX TG2359BXB ...

Page 87: ...etween CHARGE2 and CHARGE1 flows D213 R248 Q207 pin80 of IC201 where the charge is detected Then IC201 calculates the battery consumption amount from the previous charge and it controls Q212 Q210 Q209 by pin82 of IC201 until charging is complete When charging is complete the control pattern is switched to Trickle charging form from Normal charging form 19 4 Ringer and Handset SP Phone 87 KX TG2359...

Page 88: ...e power for the microphone is supplied from DSP 20 and the power is turned OFF on standby 19 6 Reception Signal The voice signal from the base unit is output to DSP 33 HSSPOUT This signal is led to the headset jack CN203 The signal through the headset jack and the other signal 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 th...

Page 89: ...the charger unit Then it changes to Trickle charge average 10mA at the Battery to prevent from overcharging Charging form Q4 detects charging Handset is placed on the charger unit then Q5 turns ON and LED1 lights up Q2 and Q3 regulate the charge current The route for this is as follows DC pin of CN1 D1 IC1 R7 D2 CHARGE pad Cordless Handset CHARGE pad Q2 R4 and R9 DC pin of CN1 89 KX TG2359BXB ...

Page 90: ...21 SIGNAL ROUTE Each signal route is as follows 90 KX TG2359BXB ...

Page 91: ... A I 62 GNDR GND Pin Description I O High High_Z Low 63 TXMOD A O 64 VREFR A O 65 RSSI A I 66 VCCR VCC 67 GNDPLL GND 68 VCCPLL VCC 69 XOUT A O 70 XIN A I 71 GND GND 72 Reset D I Normal Reset 73 Power Down D I Normal Power Down 74 FLASH_RST High Middle Low 75 TX_OUT D O High Low 76 MOD_EN D O Active Not 77 FLASH_SO High Middle Low 78 FLASH_SI High Middle Low 79 FLASH_CS High Middle Low 80 NC D O 81...

Page 92: ...The mark in the I O column means the port is controlled by the firmware Data in the blank columns are omitted because of the Analog I O Pin Description I O High High_Z Low 51 XOUT A O 52 XIN A I 53 GND GND GND 54 RESET D I Normal Reset 55 PDN D I Power On Power Down 56 FLASH_RESET D O Normal 57 TX OUT D O High Low 58 MOD_EN D O On Off 59 FLASH_SO D O Normal 60 FLASH_SI D O High Low 61 FLASH_CS D O...

Page 93: ...24 EXPLANATION OF IC TERMINALS RF Unit 24 1 IC901 93 KX TG2359BXB ...

Page 94: ...e 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 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 pi...

Page 95: ...26 CABINET AND ELECTRICAL PARTS Base Unit 95 KX TG2359BXB ...

Page 96: ...27 CABINET AND ELECTRICAL PARTS Handset 96 KX TG2359BXB ...

Page 97: ...28 CABINET AND ELECTRICAL PARTS Charger Unit 97 KX TG2359BXB ...

Page 98: ...29 ACCESSORIES AND PACKING MATERIALS 98 KX TG2359BXB ...

Page 99: ...30 TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES 30 1 Base Unit 30 2 Handset 99 KX TG2359BXB ...

Page 100: ...30 3 Charger Unit 100 KX TG2359BXB ...

Page 101: ...NA 12 PQSX10259Z KEYBOARD SWITCH TAM 13 PQSX10261W KEYBOARD SWITCH DIAL 14 PQMG10025Z RUBBER PARTS MIC 15 PQKF10611Y2 CABINET COVER PS HB 16 PQHA10018Z RUBBER PARTS FOOT CUSHION 17 PQKL10061Z2 STAND WALL MOUNT PS HB 18 PQHA10017Z RUBBER PARTS LEG CUSHION 19 PQGT16841Y NAME PLATE 31 1 2 Main P C Board Parts Note 1 When you have replaced IC501 or IC701 adjust X801 refer to Check and Adjustment X801 ...

Page 102: ...415 ERJ2GEJ222 2 2K R416 ERJ2GEJ222 2 2K R501 ERJ2GEJ102 1K R507 ERJ2GEJ102 1K R516 ERJ2GEJ151 150 Ref No Part No Part Name Description Remarks R543 ERJ2GEJ472X 4 7K R570 ERJ2GEJ473 47K R571 ERJ3GEYJ123 12K R572 ERJ3GEYJ102 1K R612 ERJ2GEJ101 100 R706 ERJ2GEJ104 100K R720 ERJ2GEJ271 270 R721 ERJ2GEJ271 270 R723 ERJ2GEJ391 390 R724 ERJ2GEJ391 390 R803 ERJ2GEJ182 1 8K R804 ERJ2GEJ151 150 R805 ERJ2GE...

Page 103: ...d Electrical Parts Ref No Part No Part Name Description Remarks 101 PQGG10254Z1 GRILLE LCD ABS HB 102 PQGP10234Z1 PANEL LCD PC HB 103 PQHS10630Z TAPE DOUBLE SIDE 104 PQKE10373Z4 SPACER SPEAKER RING AS HB 105 PQHS10623Z TAPE DOUBLE SIDE 106 PQKM10628Z2 CABINET BODY ABS HB 107 PQGT16842Z NAME PLATE 108 PQSA10146Y ANTENNA 109 PQHS10592Z SPACER SPEAKER 110 L0AD02A00020 SPEAKER 111 PQHS10634Z SPACER SP...

Page 104: ...10K R247 ERJ2GEJ391 390 R248 ERJ2GEJ223 22K R249 ERJ2GEJ222 2 2K R260 ERJ2GEJ104 100K R263 ERJ2GEJ473 47K R264 ERJ2GEJ473 47K R266 ERJ2GEJ102 1K Ref No Part No Part Name Description Remarks R268 ERJ3GEYJ102 1K R269 ERJ3GEYJ102 1K R270 ERJ3GEYJ102 1K R275 ERJ2GEJ104 100K R276 ERJ2GEJ561 560 R277 ERJ2GEJ104 100K R279 ERJ2GEJ104 100K R284 ERJ2GEJ182 1 8K R285 ERJ2GEJ151 150 R286 ERJ2GEJ393X 39K R906 ...

Page 105: ...GER UNIT 200 1 PQGG10255X3 GRILLE ABS HB 200 2 PQKM10629Z2 CABINET BODY PS HB 200 3 PQQT22711Z LABEL CHARGE 200 4 PQHR10932Z OPTIC CONDUCTIVE PARTS LED LENS PS HB 200 5 PQKF10613Z2 CABINET COVER PS HB 200 6 PQGT16846Z NAME PLATE 200 7 PQHA10023Z RUBBER PARTS FOOT RUBBER 31 3 2 Main P C Board Parts Ref No Part No Part Name Description Remarks PCB200 PQWPG30023VB MAIN P C BOARD ASS Y RTL IC IC1 C0CA...

Page 106: ...31 5 Memo 106 KX TG2359BXB ...

Page 107: ...MATIC DIAGRAM 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 32 3 Charger Unit SCHEMATIC DIAGRAM Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line 2 This schematic diagram may be modified a...

Page 108: ...4 C2P R801NC 13 824MHz X801 C805 C2P C554 K0 1 3P C809 1 8K R803 D404 NC 2 2K R415 R409 100 RA702 NC 1 3 5 7 8 6 4 2 DWN DWN UP UP SP SP NC C746 RINGER OFF FULL PAGER L5DC01 1 2 3 4 5 6 7 8 9 10 11 12 C591 K0 1 LGS1 R802 NC RST INT0 C541 NC URX1 UTX1 R543 4 7K LED721 SP_LED R721 270 FVCC FGND FCS FSO FSI LED723 ANS_LED R723 390 C724 NC NC C701 NC C702 NC C703 NC C704 NC C705 NC C706 NC C707 NC C70...

Page 109: ...K680P C112 CP1 CM1 C308 100u 25V C309 K0 1 R305 100 L302 22uH IC301 1 CE 2 GND 3 VOUT 4 EXT 5 VIN C311 47u 16V C310 K1 0 R127 1 0K Q301 SA104 NC NC SA103 D303 R571 12K R570 47K NC C570 R572 1K Q570 Q382 3 3K R381 15 R351 D351 NC D305 NC D301 NC D302 NC IC300 1 NC 2 RESET 3 VDET 4 VIN 5 VOUT 6 NC 7 GND 8 Cd Q105 NC C123 NC C122 NC 2 0V D161 C318 K0 1 C317 330u 6 3V NC C306 NC C307 NC C302 NC R301 C...

Page 110: ..._EN SHCTRL GND RF_RESET RSSI RX_DATA DMOD SDIO ANT RA201 4 7K 1 3 5 7 8 6 4 2 IC204 2 5V REG 1 OUT 3 GND 2 IN LED204 330 R203 LED202 330 R201 LED203 330 R204 330 R202 LED201 Q201 1 B1 2 E 3 B2 4 C2 5 C1 DEMOD TP_ANT RA207 220 2 4 6 8 7 5 3 1 C218K1 0 CA203 K0 1 8 6 5 7 4 2 1 3 CA202 K0 47 1 3 4 2 NC IC207 1 CD 2 VREF 3 VIN 4 VIN 5 VOUT1 6 VCC 7 GND 8 VOUT2 NC C320 NC C324 NC R320 NC R321 NC L320 N...

Page 111: ... SHCTRL 75 HEADSET_DET 76 TCK 77 TMS 78 TDI 79 TDO 80 CHARGE_DET 81 RF_RESET 82 CHARGE_CNT 83 KEYIN_5 84 KEYIN_4 85 KEYIN_3 86 KEYIN_2 87 KEYIN_1 88 KEY_LIGHT 89 LCD_BACK_LIGHT 90 NC 91 KEYSTROBE_E 92 KEYSTROBE_D 93 KEYSTROBE_C 94 KEYSTROBE_B 95 KEYSTROBE_A 96 GND 97 VCC 98 NC 99 FLASH_SCK 100 INT_1 NC R225 IC205 3 2V RESET OUT 1 VDD 2 NC 3 GND 4 C228 K0 1 Q208 270K R220 K470P C306 C309K0 1 R286 3...

Page 112: ...608 L901 4 7 R940 K0 1 C944 D10P C960 C1P C904 D10P C911 10 R941 10 R942 K1000P C941 K0 1 C976 D10P C963 D10P C962 C1 5P C984 D10P C917 K0 01 C980 1K R931 1K R932 330 R933 NC C914 3 3nH L909 C2P C952 D10P C938 D10P C956 2 2nH L911 J220P C965 TP_TESTP TP_TESTN NC C994 0 R943 K1000P C990 D10P C991 1K R992 1K R991 K470P C937 K0 1 C993 NC C985 J120P C992 1uH 1608 L990 NC C920 D10P C903 K0 1 C996 C978 ...

Page 113: ...1 Q3 Q2 Q4 R8 1 0k R6 1K R4 3 9 R1 2 2K R3 100 PQJT01 1 PQJT02 1 R9 56 CP CM DCP DCM C1 1u50V CN1 DC JACK 2 DC 1 DC IC1 1 Vin 2 GND 3 Vout C2 1u50V D1 L1 4 7µ L2 4 7µ Q5 R7 0 CHARGE KX TG2359BXB SCHEMATIC DIAGRAM Charger Unit KX TG2359BXB 113 ...

Page 114: ...Memo KX TG2359BXB 114 ...

Page 115: ...64 D402 D161 D401 C421 C420 L402 L376 L377 D376 D377 L401 SP CHG YELLOW WHITE C143 C144 C133 R116 R109 C110 C160 R157 R155 C158 C124 R105 IC501 PbF IC701 R516 R711 C741 C742 C743 C744 C745 C746 C751 C750 C749 C748 C747 R506 R505 R710 R709 DA101 Q150 C167 Q161 D404 C415 Q382 Q381 C315 D302 D301 Q202 IC201 L800 C801 C802 C713 C509 C724 C723 C722 R706 R724 R723 R722 R507 C811 R806 C813 R333 R334 R501...

Page 116: ...8 0 RDL DWN MIC LED720 JC1 JS1 JI1 JO1 UP SP UVCC1 UGND1 UTX1 URX1 HLD MUTE FLS ICOM R Y B G MICP1 MICM1 9 ANT1 ANTG1 LED721 LED722 LED724 R351 R352 R355 R356 Q570 Q301 R571 C570 R572 R300 C310 L302 C302 R301 R305 C301 C303 R303 C309 C304 R353 LED723 D306 D303 KX TG2359BXB CIRCUIT BOARD Flow Solder Side View Base Unit L1T ANT ANTG L1R DCM DCP KX TG2359BXB 116 ...

Page 117: ... C937 C960 C984 C983 RA901 C964 C995 C966 C965 C943 C946 C941 C993 C944 C942 C994 L990 C992 C985 FL901 L901 R903 C910 R992 R991 L904 L913 C911 C904 C913 D903 D904 C901 C912 L903 L909 C940 C939 L911 C918 C915 C921 C903 C920 C981 C914 R909 C996 C922 C991 C990 C952 C958 C957 C959 L905 L912 C938 L205 C322 C226 C229 R274 R277 R275 R220 R278 C205 C206 C209 L203 Q201 C291 C203 C204 R247 R234 C280 R230 C2...

Page 118: ...NE DOWN MENU 1 2 3 4 5 6 7 8 LED203 LED204 LED201 LED202 9 0 SYA MIC HOLD FLASH REDIAL RIGHT LED208 Q213 R208 LED205 RA207 C211 R217 R218 C210 CA202 CA203 LED206 LED207 R201 R202 R203 R204 KX TG2359BXB CIRCUIT BOARD Flow Solder Side View Handset KX TG2359BXB 118 ...

Page 119: ...ARD Charger Unit 39 1 Component View R9 R7 D2 R8 E E PQJT01 PQHG01 PQHG02 PQJT02 IC1 IN PbF E R4 R3 R6 Q3 E Q5 Q2 L2 Q4 LED1 D1 C1 C2 R1 L1 CN1 KX TG2359BXB CIRCUIT BOARD Component View Charger Uint 119 KX TG2359BXB ...

Page 120: ...39 2 Flow Solder Side View CM CP DCM DCP KX TG2359BXB CIRCUIT BOARD Flow Solder Side View Charger Unit 120 KX TG2359BXB I N KXTG2359BXB ...

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