Panasonic KX-TG6381LBB Service Manual Download Page 5 | Manualshive

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KX-TG6381LBB/KX-TG6381LBS/KX-TG6382LBB/KX-TGA632LBB/KX-TGA632LBS

2.2.1.

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 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.

2.3.

Discarding of P. C. Board

When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board.

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Summary of Contents for KX-TG6381LBB

Page 1: ...d Unauthorized copying and distribu tion is a violation of law ORDER NO KM40807637CE Telephone Equipment Model No KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Expandable Digital Cordless Phone Black Version Pearl Silver Version for Brazil ...

Page 2: ...2 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...

Page 3: ...ly Instructions 56 11 1 Disassembly Instructions 56 11 2 How to Replace the Handset LCD 60 12 Measurements and Adjustments 61 12 1 Things to Do after Replacing IC or X tal 61 12 2 Base Unit Reference Drawing 62 12 3 Handset Reference Drawing 63 12 4 Frequency Table 64 13 Schematic Diagram 65 13 1 For Schematic Diagram 65 13 2 Schematic Diagram Base Unit_Main 66 13 3 Schematic Diagram Base Unit_RF ...

Page 4: ...ent type recommended by the manufacturer 3 Dispose of used batteries according to the manufacturer s Instructions 2 2 About Lead Free Solder PbF Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that con tains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which ...

Page 5: ... 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 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 3 Discarding of P C Board When discarding P C Board delete all personal information ...

Page 6: ...6 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 3 Specifications Note Design and specifications are subject to change without notice ...

Page 7: ...17 µs the 10 ms of voice data is transmitted 2 Handsets Link Traffic Bearer A link is established between base unit and handset The state where duplex communication is performed Handset doesn t make up duplex in no free RF channels because of interference 1 Dummy Bearer Base unit sends Dummy data to the all stand by state handsets Handsets receive that data for synchronization and monitoring reque...

Page 8: ...from RX signal in the selected antenna and demodulates it to digital data RXDATA DSP IC501 converts RXDATA into a voice signal and outputs it to speaker Transmission A voice signal from microphone is encoded to digital data TXDATA by DSP IC501 in a handset Then TXDATA goes to RF PART and it s modulated to 1 9 GHz The RF signal is amplified and fed to a selected antenna As for a base unit RF RF sig...

Page 9: ...RCUIT Q161 Q141 BELL DETECT RLY BELL Q111 LIN LOUT RF_PART CID_IN CID_IN IC501 DSP 4 0 V CONVERTOR INUSE DETECT 2 INUSE DETECT 1 RECEIVE AMP DCIN 1 DCIN 2 IC331 RESET POWER_DOWN VCCIN VCC VCCA VCCPA INT_1 V_RF INT_1 5 VCC ANSWER_LED IC611 EEPROM IC300 Q300 R151 R152 R131 R133 Q171 V_RF VPA SI SO CS MSG_LED KEY_C KEY 1 3 3 V REGULATOR with RESET CLK RST R371 R372 Q382 SYN_OUT SW661 SYN_EN SYN_CLK S...

Page 10: ...F Note 1 Antenna Type wired dipole antenna KX TG6381 6382 BLOCK DIAGRAM Base Unit_RF Part PLL 13 824 MHz IC701 ANT1 1 ANT2 1 Control Logic Mixer A D Demodulator delta sigma Modulator D781 D771 BCLK SYN_OUT SYN_EN SYN_CLK SYN_DATA SLOT_CTROL RADIO_EN TXDATA RXDATA 4 0 V 3 0 V Divider 1 5 Regulator DSP IC501 IC741 ...

Page 11: ...plemented by the DSP system in software The DTMF detection is performed during 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 DTMF signals that provide CID information from the Central Office Digital Switching The voice signal from telephone line is transmitted to ...

Page 12: ...6382LBB KX TGA632LBB KX TGA632LBS 4 4 3 Power Supply Circuit Function The power supply voltage from AC adaptor is converted to the desired voltage of each block Circuit Operation Q300 and IC300 4 0 V DCDC Converter IC331 3 3 V Regulator ...

Page 13: ...13 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 4 4 3 1 Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits ...

Page 14: ...mputer when it incorporates an AC adaptor Circuit Operation When the AC Adaptor is inserted into the unit then the voltage is shifted by IC331 and power is supplied to the DSP The set starts to operate when VCC goes up to 3 0 V or more in the circuit voltage diagram Note 1 The initializing time of the DSP chip is 28 ms under normal conditions ...

Page 15: ...1 R111 C111 Q111 DSP pin 58 BELL When the CPU DSP detects a ring signal Q141 turns on thus providing an off hook condition active DC current flow through the circuit Following signal flow is the DC current flow T L101 D101 Q141 Q161 R163 R167 D101 L102 P101 R ON HOOK Circuit Q141 is open Q141 is connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an on h...

Page 16: ... the telephone con nected in parallel is on hook or off hook by detecting changes in the T R voltage Circuit Operation Parallel connection detection when on hook When on hook the voltage is monitored at pin 86 of IC501 There is no parallel connection if the voltage is 1 65 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook...

Page 17: ...telephone using either method of FSK or 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 sig nal The data i...

Page 18: ...C PDN DSP RESET CHG_CTL CHG_DET WP CLK DATA KEYSTOROBE_A E KEYIN_1 5 Q531 CHARGE DETECT CHARGE Q361 D361 Q362 Q364 CHARGE CONTROL RST REGULATOR MIC SP LED561 Monitor SP LCD KEYS RF part ANT2 X501 13 824 MHz EEPROM BATTERY Q561 RST ANT IC372 DC DC CONVERTER IC373 DC DC CONVERTER ANT1 SYN_OUT SYN_EN SYN_CLK SYN_DATA SLOT_CTROL RADIO_EN TXDATA RXDATA KX TGA632 BLOCK DIAGRAM Handset BL_LED Q563 LED555...

Page 19: ...t and handset in Radio parts ANT1 wired dipole antenna KX TGA632 BLOCK DIAGRAM Handset_RF Part ANT2 patterned antenna PLL 13 824 MHz IC701 ANT1 1 ANT2 1 Control Logic Mixer A D Demodulator D781 D771 BCLK SYN_OUT SYN_EN SYN_CLK SYN_DATA SLOT_CTROL RADIO_EN TXDATA RXDATA 3 1 V 2 7 V RF_POWER Note delta sigma Modulator Regulator DSP IC501 Divider 1 5 IC741 ...

Page 20: ... diagram 4 7 1 1 DSP IC501 Function Battery Low Power down detect circuit Ringer Generation Interface circuit RF part Speaker Mic LED Key scan LCD Initial waves Note 1 The initializing time of the DSP chip is 20 ms under normal conditions 4 7 1 2 RF part Mainly voice signal is modulated to RF or it goes the other way 4 7 1 3 EEPROM IC541 Setting data is stored ex ID code user setting ...

Page 21: ...21 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 4 7 2 Power Supply Circuit Voltage is supplied separately to each block ...

Page 22: ...tery via R366 or Q361 The voltage between CHARGE and CHARGE flows Q531 pin 38 of IC501 where the charge is detected Then IC501 calculates the battery consumption amount from the previous charge and it controls Q361 Q362 Q364 by pin 42 of IC501 until charging is complete When charging is complete the control pattern is switched to Trickle charging form from Operational charging form 4 7 4 Ringer an...

Page 23: ...microphone is input to DSP 90 91 Also the power for the microphone is supplied from DSP 92 and the power is turned OFF on standby 4 7 6 Reception Signal The voice signal from the base unit is output to DSP 98 This signal is led to R435 and drives the speaker and the other signal output from DSP 97 drives the speaker ...

Page 24: ...smitted On the other hand received signals are demodulated and go out to DSP 4 8 1 Power Supply Circuit As indicated below the various voltages are supplied to each block V_PA about 3 2 V at base unit or 3 1 V at handset is supplied to the Power amplifier IC741 is 3 0 V at base unit or 2 7 V at handset Regulator and outputs VRF 3 0 V at base unit or 2 7 V at handset by order of RADIO_EN signal V_R...

Page 25: ...or is supplied to the charge circuits Main charge 180 250 mA at the Battery of maximum 7 hours is started soon after the handset is placed on the charger unit Then it changes to Trickle charge to prevent from over charging Charging form The route for this is as follows DC pin of J1 F1 D1 R1 CHARGE pad Handset CHARGE pad DC pin of J1 ...

Page 26: ...26 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 4 10 Signal Route RF part signal route ...

Page 27: ...27 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit 5 1 2 Handset 5 2 Display ...

Page 28: ...28 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 6 Installation Instructions 6 1 Connections 6 2 Battery 6 2 1 Battery Installation and Replacement ...

Page 29: ... 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 2 3 Battery Level 6 2 4 Panasonic Ni MH Battery Performance supplied batteries ...

Page 30: ...30 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 Operating Instructions 7 1 Programmable Settings 7 1 1 Programming by Scrolling through the Display Menus ...

Page 31: ...31 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 1 2 Programming using the Direct Commands ...

Page 32: ...32 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 2 Dial Lock For Service Hint If the current password is forgotten refer to Dial Lock in Troubleshooting P 34 ...

Page 33: ...33 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 3 Error Messages ...

Page 34: ...34 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 4 Troubleshooting ...

Page 35: ...35 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...

Page 36: ...36 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...

Page 37: ...GA632LBS 8 Test Mode 8 1 Adjustment and Test Mode Flow Chart 8 1 1 TX CW Mode for Base Unit Note 1 When you check test mode connect to the external Buttons because Base Unit has only LOCATOR key Refer to Bottom View P 76 2 Refer to Check Table for RF part P 51 ...

Page 38: ...ernal Buttons because Base Unit has only LOCATOR key Refer to Bottom View P 76 2 Refer to Test Link Mode for Handset P 42 If you can not proceed to the next step refer to Registering a Handset to a Base Unit P 49 3 Refer to Check Table for RF part P 51 4 Operation for regular base unit Refer to CHART1 in the TEST RANGE Check P 52 5 for factory use only ...

Page 39: ... TGA632LBB KX TGA632LBS 8 1 3 Adjustment Mode for Base Unit Cross Reference Check and Adjust Frequency Base Unit P 61 Note 1 When you check test mode connect to the external Buttons because Base Unit has only LOCATOR key Refer to Bottom View P 76 ...

Page 40: ...40 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 8 1 4 TX CW Mode for Handset Note 1 LCD displays the Channel number exception default CH00 0ch 2 Refer to Check Table for RF part P 51 ...

Page 41: ...KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 8 1 5 RX CW Test Mode for Handset Note 1 LCD displays the Channel number exception default CH00 0ch 2 Refer to Check Table for RF part P 51 ...

Page 42: ...et Note 1 LCD displays the Channel number exception default CH00 0ch 2 If can not proceed to the next step refer to Registering a Handset to a Base Unit P 49 3 for factory use only 4 Refer to Check Table for RF part P 51 5 Operation for regular base unit Refer to CHART1 in the TEST RANGE Check P 52 ...

Page 43: ...6382LBB KX TGA632LBB KX TGA632LBS 8 1 7 Adjustment Mode for Handset Cross Reference 1 Adjust Battery Low Detector Voltage Handset P 61 Note 2 These are the default values 3 These values may not be fixed depending on the battery strength ...

Page 44: ... Units are reset to the Factory settings by this operation Erase stored Phone numbers Caller list and etc This operation should not be performed for a usual repair 9 1 1 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 ...

Page 45: ...LBB KX TGA632LBS 10 Troubleshooting Guide 10 1 Troubleshooting Flowchart Cross Reference Check Power P 46 Check Battery Charge P 46 Check Link P 47 Check the RF part P 48 Check Handset Transmission P 55 Check Handset Reception P 55 Check Caller ID P 55 ...

Page 46: ...ce Power Supply Circuit P 12 Reset Circuit P 14 Note DSP is IC501 1 Refer to Specifications P 6 for part number and sup ply voltage of AC adaptor 2 Refer to Circuit Board Base Unit_Main P 75 10 1 2 Check Battery Charge Note 1 Refer to Specifications P 6 for part number and supply voltage of AC adaptor ...

Page 47: ...47 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 10 1 3 Check Link Note DSP is IC501 1 Refer to Finding out the Defective part P 48 Cross Reference Check the RF part P 48 ...

Page 48: ... TGA632LBB KX TGA632LBS 10 1 4 Check the RF part 10 1 4 1 Finding out the Defective part After All the Checkings or Repairing 1 Re register the checked handset to the checked base unit and Regular HS to Regular BU Note 1 HS Handset 2 BU Base Unit ...

Page 49: ... KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 10 1 4 1 1 Registering a Handset to a Base Unit 10 1 4 1 2 Deregistering a Handset 10 1 4 1 3 Deregistering All Handsets by the Base Unit ...

Page 50: ...G6382LBB KX TGA632LBB KX TGA632LBS 10 1 4 2 RF Check Flowchart Each item 1 6 of RF Check Flowchart corresponds to Check Table for RF part P 51 Please refer to the each item Note 1 Refer to Things to Do after Replacing IC or X tal P 61 ...

Page 51: ...to vary Regular HS CH from 00 ch to 04 ch to be matched to the BU dummy CH then the waveform is verified 6 4 2 TX confirmation Regular BU Mode Normal Mode AIR HS to be checked Mode TEST TX_CW Mode 5 1 Place Regular BU 15 cm away from a checked HS 2 Confirm RXDATA waveform of Regular BU by Oscilloscope 7 When Regular BU scans TX_CW RXDATA is LOW 5 1 RX confirmation Regular HS Mode Test TX_CW Mode 5...

Page 52: ...e of about 5 m between HS and BU Link OK TX Power of the HS is OK No Link TX Power of the HS is NG Range Confirmation RX TEST RX sensitivity check HS BU Mode Test Link Mode 1 1 Register Regular HS to BU to be checked 2 Set BU to Test Link mode 3 Set Regular HS to Test Link mode Set TX Power and RX Sensitivity of the BU and Regular HS by CHART1 At distance of about 5 m between HS and BU Link OK RX ...

Page 53: ...rol signal for Handset Active normal mode after power on Pin Number IC701 IC501 HS 21 26 22 21 23 32 24 31 25 30 SYN_EN SYN_CLK RADIOEN SLOT_CTRL SYN_DATA SYN_CLK SYN_EN RADIOEN SLOT_CTRL SYN_DATA RADEOEN SLOT_CTRL SYN_DATA SYN_CLK SYN_EN SYN_DATA SYN_EN SYN_CLK RF IC IC701 DSP IC IC501 RF IC IC701 DSP IC IC501 RADEOEN SLOT_CTRL 40 ms 400 ms 0 4 µs RADEOEN SLOT_CTRL SYN_DATA SYN_CLK SYN_EN 2 ms 1 ...

Page 54: ... be worked in test mode in same channel as base unit Pin Number Handset TEST RX_CW IC701 IC501 HS Normal Dummy 23 36 RX DATA of handset is LOW after receiving dummy from base unit RX DATA just before that is same as dummy slot data of base unit 3 Dummy slot data in TR DATA of Base Unit 3 Dummy slot data in TR DATA of Base Unit MODE MODE TR RX DATA TR RX DATA RADIOEN SLOT_CTRL TR TX DATA REG BU or ...

Page 55: ...nal Route P 26 Note When checking the RF part Refer to Check the RF part P 48 10 1 7 Check Caller ID Cross Reference Telephone Line Interface P 15 Calling Line Identification Caller ID P 17 Note Make sure the format of the Caller ID service of the Tele phone company that the customer subscribes to It is also recommended to confirm that the customer is really a subscriber of the service ...

Page 56: ...56 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 Disassembly and Assembly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit ...

Page 57: ...57 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...

Page 58: ...58 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 1 2 Handset ...

Page 59: ...59 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 1 3 Charger Unit ...

Page 60: ...60 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 2 How to Replace the Handset LCD ...

Page 61: ...f the checking tolerance 100 Hz adjust to Adjustment tolelance 30 Hz by pressing or key Adjustment Tolerance 13 824 MHz 30 Hz 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 Mode for Handset P 43 12 1 4 Adjust Battery Low Detector Voltage Handset After handset s DSP IC501 or EEPROM IC541 replacement Re writin...

Page 62: ...C_DCP C_DCM DCM2 DCM L1R L1T ANT2 HOT ANT1 GND ANT1 HOT SCL JO JC JI MIP C612 C685 C684 C686 C689 C661 C361 C152 C120 C113 C181 R603 R533 R612 R611 R602 R134 R131 SPP SPN R181 R114 E 4 4 5 5 1 1 8 8 E E R151 R152 R182 CHARGE CHARGE R365 R113 R364 DGND BCLK TXO D113 DVCC D133 D153 C605 C604 C601 C757 C182 C183 C184 C132 C122 C121 C111 C112 C660 R111 R155 R154 R665 RA501 R133 R112 R122 R121 R157 R15...

Page 63: ...C707 C703 C751 C708 C704 C702 C753 C752 C701 C761 C755 C756 C772 C713 C791 C711 C738 C743 C782 D781 R782 C797 L795 C793 C712 C721 C722 L721 C714 C742 C754 C762 C765 C771 C773 C764 C763 C775 C776 C777 C795 C792 L791 C796 C781 C736 C733 C732 C731 C730 C741 L741 L739 ANT1_HOT2 ANT1_HOT3 ANT1_HOT4 ANT1_HOT1 ANT1 F o r T G A 9 3 5 9 3 6 ANT1_GND IC741 IC701 ANT2_GND ANT2 ANT1 8 9 16 17 24 25 32 1 1 3 5...

Page 64: ... TG6382LBB KX TGA632LBB KX TGA632LBS 12 4 Frequency Table Channel Ch hex TX RX Frequency MHz 0 00 1928 448 1 01 1926 720 2 02 1924 992 3 03 1923 264 4 04 1921 536 5 05 1919 808 6 06 1918 080 7 07 1916 352 8 08 1914 624 9 09 1912 896 ...

Page 65: ... time with the development of new technology 13 1 2 Handset Schematic Diagram Handset_Main Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams 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 vo...

Page 66: ... R596 NC ANT1_HOT2 ANT2_HOT2 P15 C472 NC C473 NC ANT1 ANT2 R674 NC R672 NC L501 0 C475 NC C459 NC R611 2 2k R673 NC 1M R509 C517 10p 1u C352 4 NC TXMOD 5 NC1 6 XIN 7 XOUT 8 VDD 9 VCCIN 10 GND1 11 RSTN 12 FLASH_RE 13 FLASH_SO 14 FLASH_SI 15 FLASH_CS 16 NC2 17 SYN_OUT 18 TX_DATA 19 SLOT_CTRL 20 NC3 21 NC4 22 NC5 29 SYN_CLK 30 SYN_DATA 31 NC8 32 NC9 33 FCCP15 34 RX_DATA 35 NC10 36 NC11 37 NC12 38 RF_...

Page 67: ...165 100k R161 C163 10p 47k R162 NC C166 NC C165 NC C171 NC R166 2 2u C168 NC C182 NC C183 F301 3 0A C101 680p C102 680p R115 NC 6 3 330u C341 16 100u C306 DCP DCM L1T L1R Q156 NC B C E D361 22V A K Q362 NC B C E D142 A K Q111 B C E D113 A K Q161 B C E Q171 B C E D133 A K D153 A K R362 0 C_DCP C_DCM R372 10 NC L372 R373 0 L362 NC C331 K0 47 100k R172 K1 0 C342 K0 01 C152 10M R151 D300 NC Q300 D301 ...

Page 68: ...C C739 NC C764 D771 1 2 3 D781 1 2 3 K1uF C714 IC741 3 0V 1 VIN 2 VSS 3 CE 5 VOUT 4 NC B1 0p C792 B1 0p C796 3 9n L795 3 9n L791 B2 0p C777 B2 0p C775 B1 5p C776 B3 3p C751 D10p C765 B0 7p C763 1 VCC_VCO 2 PAEN 9 TX_p 3 ATST_p 4 ATST_n 5 ANT_n 6 TRSW 7 Rxp 8 Rxn 10 TX_n 11 TRSW_n 12 ANT 13 VCC_FE 14 VDD_IF 15 VCC_IF 16 VDD_DIG_b 17 VCC_DIG 18 RSTN 19 VCC_IO 20 TR_DATA 21 RADIOEN 22 SLOT_CTRL 23 SY...

Page 69: ...69 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...

Page 70: ...OUT 7 VDD 8 VCCIN 9 GND2 10 GND3 11 GND4 12 GND5 13 RST 14 FL_RST 15 FL_DO 16 FL_DI 17 FL_CS 18 BL_LED 19 SYN_OUT 20 TX_DATA 21 SLOT_CTRL 22 NC2 29 VCC1 30 SYN_EN 31 SYN_CLK 32 SYN_DATA 33 NC4 34 TX_EN 35 NC5 36 RX_DATA 37 NC6 38 CHG_DET 39 NC7 40 LCD_BACK_LIGHT 41 NC8 42 CHG_CTL 43 NC9 44 DB4 45 DB5 46 DB6 47 DB7 54 NC11 55 ANT_LED 56 LCD_RS 57 RW_WR 58 E_RD 59 LCDPOW 60 NC12 61 NC13 62 NC14 63 S...

Page 71: ... 2 VDD 3 ON OFF 5 EXT 4 VSS NC R531 NC C352 NC L352 1 2 R370 BATTN NC L351 NC R375 120 R367 VSS2 CHG1 K0 1 C374 CHG2 47k R363 NC C351 NC D531 A K 33k R369 K0 1 C362 VSS1 NC R437 NC R436 5 6n F301 Q531 B C E Q361 B E C 560 R362 3 3k R366 NC C353 Q362 B C E 33 L412 33 L413 Q364 B C E RECEIVER 1 2 SP_PHONE 1 2 D361 A K MICM 1 MICP 1 NC C364 K1 0 C421 K1 0 C371 K1 0 C372 2 7V 1 VIN 2 VSS 3 ONOFF 5 VOU...

Page 72: ...761 NC R715 NC C739 NC C764 D771 1 2 3 D781 1 2 3 RF_POWER K1uF C714 NC C792 NC C796 B2 0p C775 B2 0p C777 B1 5p C776 B3 3p C751 D10p C765 B0 7p C763 1 VCC_VCO 2 PAEN 9 TX_p 3 ATST_p 4 ATST_n 5 ANT_n 6 TRSW 7 Rxp 8 Rxn 10 TX_n 11 TRSW_n 12 ANT 13 VCC_FE 14 VDD_IF 15 VCC_IF 16 VDD_DIG_b 17 VCC_DIG 18 RSTN 19 VCC_IO 20 TR_DATA 21 RADIOEN 22 SLOT_CTRL 23 SYN_DAT 24 SYN_CLK 25 SYN_EN 26 SYN_OUT 27 VDD...

Page 73: ...73 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 13 6 Schematic Diagram Charger Unit J1 2 1 TP3 G TP2 TP1 TP4 R1 10 D1 A K F1 SCHEMATIC DIAGRAM Charger Unit ...

Page 74: ...74 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...

Page 75: ...2 D361 D473 Q142 C331 C160 C167 C171 C168 C169 C472 C473 C475 C508 C513 C509 C170 C179 C172 C176 C687 C166 C101 C102 C300 C115 R662 R142 R160 R166 R178 R674 R673 R176 R175 R591 R595 R596 R172 R421 R422 R372 R371 P101 SA101 SA103 SA102 L101 L102 L300 IC331 D300 D101 Q161 Q141 Q171 C382 Q382 C381 C501 R509 C457 L372 C301 C305 C308 C304 R304 R308 R303 IC300 D301 Q300 KEYS_E KEYS_C KEYS_B MEG_LED KEYI...

Page 76: ...120 C113 C181 R603 R533 R612 R611 R602 R134 R131 SPP SPN R181 R114 E 4 4 5 5 1 1 8 8 E E R151 R152 R182 CHARGE CHARGE R365 R113 R364 DGND BCLK TXO D113 DVCC D133 D153 C605 C604 C601 C757 C182 C183 C184 C132 C122 C121 C111 C112 C660 R111 R155 R154 R665 RA501 R133 R112 R122 R121 R157 R156 IC601 IC611 Q362 Q156 Q111 PNLP1009 PbF YA CHG SP POWER C POWER TIP TEL G R E E N Y E L L O W KX TG6381 6382 CIR...

Page 77: ...1 R771 D771 R735 R734 R733 R732 R731 R730 C739 C737 C710 C715 C706 C705 C707 C703 C751 C708 C704 C702 C753 C752 C701 C761 C755 C756 C772 C713 C791 C711 C738 C743 C782 D781 R782 C797 L795 C793 C712 C721 C722 L721 C714 C742 C754 C762 C765 C771 C773 C764 C763 C775 C776 C777 C795 C792 L791 C796 C781 C736 C733 C732 C731 C730 C741 L741 L739 IC741 IC701 8 9 16 17 24 25 32 1 1 3 5 4 RF_Vcc 3 0 V V_RF 4 0 ...

Page 78: ...78 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...

Page 79: ...L413 L412 C411 C412 C413 D413 D412 C433 C506 C519 R736 R715 R781 R763 R772 R762 R761 R771 D771 R735 R734 R733 R732 R731 R730 C739 C737 C710 C715 C706 C705 C707 C703 C751 C708 C704 C702 C753 C752 C701 C761 C755 C756 C772 C713 C791 C711 C738 C743 C782 D781 R782 C797 L795 C793 C712 C721 C722 L721 C714 C742 C754 C762 C765 C771 C773 C764 C763 C775 C776 C777 C795 C792 L791 C796 C781 C736 C733 C732 C731 ...

Page 80: ...X TGA632LBS 14 3 2 Bottom View LEFT LCD MENU RIGHT UP TALK OFF BACK NEXT SP DOWN PAUSE 1 2 3 4 5 6 7 FLASH 0 MIC 8 HOLD A 9 LED551 LED552 LED553 LED554 KX TGA93 R PbF PQUP11558Y LED561 LED557 CN3 LED556 LED555 KX TGA632 CIRCUIT BOARD Handset_Main Bottom View ...

Page 81: ...D771 R735 R734 R733 R732 R731 R730 C739 C737 C710 C715 C706 C705 C707 C703 C751 C708 C704 C702 C753 C752 C701 C761 C755 C756 C772 C713 C791 C711 C738 C743 C782 D781 R782 C797 L795 C793 C712 C721 C722 L721 C714 C742 C754 C762 C765 C771 C773 C764 C763 C775 C776 C777 C795 C792 L791 C796 C781 C736 C733 C732 C731 C730 C741 L741 L739 IC741 IC701 8 9 16 17 24 25 32 1 1 3 5 4 RF_Vcc 2 7 V V_RF V_PA 3 1 V ...

Page 82: ...14 5 Circuit Board Charger Unit 14 5 1 Component View 14 5 2 Bottom View J1 R1 D1 A PQUP11532Z PbF PQLV30055 PQLV30056 CIRCUIT BOARD Charger Unit Component View TP4 TP3 1 2 J1 D1 A F1 PbF PQLV30055 PQLV30056 PQUP11532Z TP4 GND TP3 CIRCUIT BOARD Charger Unit Bottom View ...

Page 83: ... O Normal WakeUp 39 NC D O 40 NC D O 41 NC D O 42 EEPROM_Data D I O High_Z Low 43 EEPROM_CLK D O High Middle Low 44 EEPROM_WP D O WP Write 45 NC D O 46 GND GND GND 47 VCC VCC VCC 48 NC INT0 D I O 49 NC D O 50 NC D O 51 NC D O 52 NC D O 53 KEY_STB_C D O Active Not 54 KEY_STB_B D O Active Not 55 NC D O 56 NC D O 57 NC D O 58 BELL D I OFF ON 59 RLY D O Off Hook On Hook 60 NC D O 61 NC D O 62 NC D O 6...

Page 84: ... DOT_LCD_D5 D O High Low 46 DOT_LCD_D6 D O High Low 47 DOT_LCD_D7 D O High Low 48 GND GND GND 49 VCC VCC VCC 50 DOT_LCD_RESET D O Normal Reset 51 FLASH_SCK D O High Low 52 CI D O Normal 53 NC D O 54 NC D O 55 ANT_LED1 D O On Off 56 DOT_LCD_RS D O Data Instruct 57 DOT_LCD_RW_WR D O Read Write 58 DOT_LCD_E_RD D O Active Not 59 DOT_LCD_POWER_SW D O On Off 60 NC D O Normal 61 NC D O Normal 62 NC D O N...

Page 85: ...ning type Note See About Lead Free Solder PbF Pb free P 4 15 3 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 joint between the IC and its pins first and then cut off the pins thoroughly 3 While th...

Page 86: ...eck the accuracy of 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 15 3 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 ...

Page 87: ...age the PCB foil Hot Air Desoldering Tool Temperature 608 F 68 F 320 C 20 C 15 4 2 Caution To replace the IC efficiently choose the right sized nozzle of the hot air desoldering tool that matches the IC package Be careful about the temperature of the hot air desoldering tool not to damage the PCB and or IC 15 4 3 How to Remove the Shield Case Note If you don t have special tools ex Hot air disorde...

Page 88: ...the surroundings 15 4 5 How to Remove the IC 1 Heat the IC with a hot air desoldering tool through the P C Board 2 Pick up the IC with tweezers etc when the solder is melted completely Note Be careful not to touch the peripheral parts with tweezers etc They are unstable When it is hard to melt the solder completely heat it with a hot air desoldering tool through the IC besides through the P C Boar...

Page 89: ...e When placing the IC the positioning should be done very carefully 3 Heat the IC with a hot air desoldering tool through the P C Board until the solder on IC bottom is melted Note Be sure to place it precisely controlling the air volume of the hot air desoldering tool 4 After soldering confirm there are no short and open circuits with visual inspection 15 4 7 How to Remove a Solder Bridge When a ...

Page 90: ...90 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 15 5 Explanation of IC Terminals RF Part 15 5 1 IC701 ...

Page 91: ...91 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 15 6 Terminal Guide of the ICs Transistors and Diodes 15 6 1 Base Unit 15 6 2 Handset 15 6 3 Charger Unit ...

Page 92: ...92 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 Exploded View and Replacement Parts List 16 1 Cabinet and Electrical Parts Base Unit ...

Page 93: ...et and Electrical Parts Handset Note 1 This cable is fixed by welding Refer to How to Replace the Handset LCD P 60 2 Attach the SPACER No 124 to the exact location described above 3 The rechargeable Ni MH battery HHR 4EPT or HHR 4MPT is available through sales route of Panasonic ...

Page 94: ...94 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 3 Cabinet and Electrical Parts Charger Unit ...

Page 95: ...95 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 4 Accessories and Packing Materials 16 4 1 KX TG6381LBB LBS ...

Page 96: ...96 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 4 2 KX TG6382LBB ...

Page 97: ...97 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 4 3 KX TGA632LBB LBS ...

Page 98: ...1001Y2 CASE CHARGE TERMINAL for KX TG6381LBB for KX TG6382LBB PS HB 2 PNKE1001Y1 CASE CHARGE TERMINAL for KX TG6381LBS PS HB 3 PNBC1016Z1 BUTTON LOCATOR for KX TG6381LBB for KX TG6382LBB ABS HB 3 PNBC1016Y3 BUTTON LOCATOR for KX TG6381LBS ABS HB 4 K2ECYZ000001 JACK DC 5 PQJJ1T039Y JACK MODULAR 6 PNJT1003Z CHARGE TERMINAL 7 PNLA1004Z ANTENNA 8 PNKF1001Y2 CABINET COVER for KX TG6381LBB for KX TG6382...

Page 99: ...V1H103KBV 0 01 C306 ECEA1CKS101 100 S Safety Ref No Part No Part Name Description Remarks C308 ECUV1E104KBV 0 1 C331 ECUV1A474KBV 0 47 C341 ECEA0JK331 330 S C342 ECUV0J105KBV 1 C352 ECUE0J105KBQ 1 C381 ECUV1A105KBV 1 C382 PQCUV0J106KB 10 C422 ECUE1A104KBQ 0 1 C452 ECUE1H100DCQ 10p C476 ECUV1H100DCV 10p C477 ECUV1H100DCV 10p C501 ECUE1A104KBQ 0 1 C503 ECUE1A104KBQ 0 1 C504 ECUE1A104KBQ 0 1 C508 ECU...

Page 100: ...B 125 PNKK1001Z1 LID BATTERY COVER for KX TGA632LBS ABS HB Safety Ref No Part No Part Name Description Remarks PCB100 PNWPG6381LBR MAIN P C BOARD ASS Y RTL ICs IC371 C0DBGYY00297 IC Safety Ref No Part No Part Name Description Remarks IC373 C0DBAYY00067 IC IC374 C0EBD0000355 IC IC501 C2HBBY000097 IC 1 IC541 PNWIG6381LBR IC 1 IC701 C1CB00002852 IC 2 IC741 C0CBCAC00252 IC TRANSISTORS Q361 B1ADGE00000...

Page 101: ...BQ 1 C715 ECUE1A104KBQ 0 1 C721 ECUE1H101JCQ 100p C722 ECUE1H121JCQ 120p C737 ECUE1C103KBQ 0 01 C738 ECUE1H100DCQ 10p C742 ECUV1A474KBV 0 47 Safety Ref No Part No Part Name Description Remarks C743 ECUV1A105KBV 1 C751 F1G1H3R3A562 3 3p C752 ECUE1H100DCQ 10p C753 ECUE1H1R0BCQ 1p C754 ECUE1A104KBQ 0 1 C755 F1G1H1R2A561 1 2p C763 F1G1HR70A561 0 7p C765 ECUE1H100DCQ 10p C771 ECUE1H100DCQ 10p C772 ECUE...

Page 102: ...nit P2 XZB08X25B02 PROTECTION COVER for Handset P3 PNPK1630Z GIFT BOX Safety Ref No Part No Part Name Description Remarks A101 PQLV219LBZ AC ADAPTOR A102 PQJA10075Z CORD TELEPHONE A103 PNQX1244Z INSTRUCTION BOOK 1 P101 XZB15X25A04 PROTECTION COVER for Base Unit P102 XZB08X25B02 PROTECTION COVER for Handset P103 XZB13X19C03 PROTECTION COVER for Charger Unit P104 PNPK1631Z GIFT BOX Safety Ref No Par...

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