Panasonic KX-TG1711MEB, Service Manual

Page 1: ...ing and distribution is a violation of law ORDER NO KM41407611SE Telephone Equipment Model No KX TG1711MEB KX TG1712MEB KX TGA171MEB Digital Cordless Phone B Piano Black Version Please use this manual with the original service manual mentioned on the page 3 ...

Page 2: ... Check Power 8 3 2 2 Check Link 9 3 2 3 Bell Reception 11 3 2 4 Troubleshooting by Symptom Base Unit and Charger Unit 12 3 2 5 Troubleshooting by Symptom Handset 15 3 3 Measurements and Adjustments 18 3 3 1 Adjustment Standard Base Unit 18 3 3 2 Adjustment Standard Handset 19 3 4 Miscellaneous 20 3 4 1 Terminal Guide of the ICs Transistors and Diodes 20 3 5 Schematic Diagram 21 3 5 1 Schematic Dia...

Page 3: ...otes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS 1 Improve performance Note To change Main board in base unit and handset board The shape of IC is different in the old one and the new one Remarks c To share the parts with other models 2 Change of material or dimension 3 To meet approved specification 4 Standardization 5 Addition 6 Deletion 7 Correction 8 Other Ref No Part No Pa...

Page 4: ...X T A L 2 0 7 3 6 M H z A N T 1 D6 RF_PART A N T 2 B r i d g e R e c t D2 Q2 3 Q1 E E P R O M t o T e l _ L i n e t o A C A d a p t o r C O S I C X1 C O S I C I F C h a r g e C h a r g e 2 65V R e g u l a t o r 2 65 V LOAD XTAL Pox RxI RxIx Rxon Txon Po ANT1 ANT2 LINEA AOP LINEP LINEN L i m i t resistor S C L D A T I2CLK I2DAT 2 65 V IC3 IC1 IC2 KX TG1711 BLOCK DIAGRAM BASE UNIT R39 C26 R33 R50 C7...

Page 5: ...rcuit The power is supplied to the DECT BBIC RF Module EEPROM Relay Coil LED and Charge Contact from AC Adaptor as shown in Fig 101 The power supply is as follows Fig 101 IC2 BBIC IC3 VDDBAT Q101 F1 R102 H S BBIC IC301 Charge_start BATTERY R39 CHARGE CHARGE TP5 TP6 Base Unit Handset F1 2 65V J2 AC Adaptor EEP ROM IC1 IC2 ...

Page 6: ...r g e C h a r g e R e g u l a t o r 3 3 V HO1P HO1N MICP MICN CDT C h a r g e c i r c u i t S C L K D A T A I2CLK I2DAT M I C K E Y P A D O N S W I T C H R I N G E R 3 3 V R102 C H A R G E C H A R G E C H A R G E START L C D 3 3 V V D D B A T V D D D C D C Q 1 0 3 VDDBAT VDDBAT Q101 102 VDDBAT ANT1 SDRV M A D 4 P 32 IC103 IC101 KX TGA171 BLOCK DIAGRAM HANDSET BZ2 Q105 Q104 RF_PART Pox RxI RxIx Rxo...

Page 7: ...om original section 4 6 Signal Route BASE UNIT IC3 AOP R2 C5 Q1 Q3 D2 A SIGNAL ROUTE ROUTE IN OUT SIGNAL DTMF TONE TEL OUT to Tel Line CDL TX to Tel Line CDL RX from Tel Line BASE UNIT from HANDSET ANT1 D6 C808 D801 C820 IC3 RXI RXIX IC3 AOP B ANT2 C39 R2 C5 Q1 Q3 D2 A B C70 C71 B BASE UNIT A D2 Q3 R12 C15 R14 IC3 LINEA IC3 PO POX C826 D801 C808 Caller ID from Tel Line BASE UNIT A C26 R33 R50 R200...

Page 8: ...to AC outlet Check AC Adaptor s specification Cross Reference Power Supply Circuit P 5 Is input of IC2 pin3 about 5 5V Check F1 is not opened C34 C58 C40 is not shorted Check AC Adaptor Check Power Supply Circuit Is the output voltage of IC2 pin2 about 2 65V Check X1 C23 Check IC3 Is C48 RESETQ High Check IC3 YES YES YES YES YES YES NO NO NO ...

Page 9: ...YES YES YES NO NO NO NO NO Check the RF circuit in the shield case Is the modulation OK Refer to Check Point I Is VDDB pin about 2 65V Is there CMD60 Dect Tester Is the RF clock P1 0 oscillate 10 368MHz in Base Unit Test Mode Refer to Check Point E Is the NTP value OK Refer to Check Point H Is the RSSI Level OK Refer to Check Point M Does Base Unit make link with CMD60 in Base Unit Test Mode Refer...

Page 10: ...k the RF circuit in the shield case VDDBAT about 2 6 V Is the RF clock P1 0 oscillate 10 368MHz in Base Unit Test Mode Refer to Check Point H Is the NTP value OK Refer to Check Point I Is the RSSI Level OK Refer to Check Point N Does Base Unit make link with CMD60 in Base Unit Test Mode Refer to Check Point I NO Handset is OK Check Base Unit YES Is there CMD60 Dect Tester NO YES Is the modulation ...

Page 11: ... to Check the Handset Speaker or Receiver Does bell sound from BUZZER Replace with the new BUZZER Check around R114 D104 Q104 Q105 When bell signal coming is there bell sound signal at RA102 P1 1 and RA102 TXD NO NO YES When bell signal coming is there bell sound signal at D104 between A and K YES Check link in Check Link and around Career module NO ...

Page 12: ... frequency counter is 10 368000 MHz 5 Hz IC3 X1 C22 C23 C17 E Hookswitch Check with DC Characteristics 1 Connect J1 Telephone Socket to Tel simulator which is connected with 600 2 Set line voltage to 48V at on hook condition and line current to 40mA at off hook condition of normal telephone 3 Execute the command hookoff 4 Confirm that the line current is 40mA 5mA 5 Execute the command hookon 6 Con...

Page 13: ... D6 C809 C39 C38 RA43 C823 C821 RA801 C803 C825 C44 C806 C802 C804 C820 C830 C815 L1 J Sensitivity Receiver Confirmation Follow steps 1 to 3 of G 4 Set DECT tester power to 84dBm 5 Confirm that the BER is 1000ppm IC3 C813 P101 SA1 C811 C812 C807 C819 C826 D801 C808 C810 D6 C809 C39 C38 RA43 C823 C821 RA801 C803 C825 C44 C806 C802 C804 C820 C830 C815 L1 K Timing Confirmation Follow steps 1 to 3 of ...

Page 14: ... is 3 0V 0 2V F1 C58 R39 C61 C40 N Audio Check 1 Link with Handset which is connected to Line Simulator 2 Set line voltage to 48V and line current to 50mA 3 Input 45dBm 600 1kHz to MIC of Handset Measure the Level at Line I F and distortion level 4 Confirm that the level is 6 0 3dBm and that the distortion level is 5 at TEL Line 600 Load 5 Input 20dBm 600 1kHz to Line I F Measure the level at Rece...

Page 15: ...127 D Charge Control Check Charge Current Monitor Check 1 Apply 5 5V between TP5 and TP6 with current limit of PSU to 250mA 2 Confirm that the charge current is ON OFF 3 SW to decrease current limit of PSU to 75mA 4 Confirm that the charge current is stable C101 C160 R101 C161 Q101 Q102 C142 R108 IC103 E Charge Detection OFF Check 1 Stop supplying 5 5V to TP5 and TP6 2 Execute the command charge 3...

Page 16: ...stmode 3 Initiate connection from DECT tester 4 Confirm that the NTP value at ANT is 19dBm 25dBm C814 C812 IC103 C813 C807 C819 C826 D803 C817 C149 RA801 C823 C803 C825 C110 C802 C804 C821 C820 C815 J Modulation Check ANT Follow steps 1 to 4 of I 4 Confirm that the B Field Modulation is 340kHz div 402kHz div using data type Fig31 C814 C812 IC103 C813 C807 C819 C826 D803 C817 C149 RA801 C823 C803 C...

Page 17: ...ation 1 Link to BASE which is connected to Line Simulator 2 Set line voltage to 48V and line current to 40mA 3 Input 45dBm 1KHz to MIC and measure Line output level 4 Confirm that the level is 6 0 3dBm and that the distortion level is 5 at TEL Line 600 Load 5 Input 20dBm 1KHz to Line I F and measure Receiving level at SP and SP 6 Confirm that the level is 21 0 3dBm and that the distortion level is...

Page 18: ...se Unit P 12 CL13 CL14 YLW BLK TEL BRN RED TP3 L1T L1R DCP LINE_DC DCM P1 0 VDD Charge Charge RXD TXD GND1 J101 RXD TXD GND L1R L1T OSC OSC 600 150 SP Dummy Handset MIC 6 3 V 47 F DC_IN GND GND ANT 12 2W CHARGE CHARGE LINE_DC GND CLK GND VDD GND DTMF Tester AF VOLT METER BELL Simulator Call ID Simulator AF OSC LOOP Simulator AF VOLT METER AF OSC DECT Tester CTS60 PC Serial JIG DC POWER DC 6 5V Fre...

Page 19: ...C102 C103 C105 C106 C107 C108 C109 C110 C111 X101 C112 C113 C115 C116 C119 VDDDCDC2 C120 C121 C122 C123 C124 C125 C126 C127 C128 C129 TP5 JOINT1 TP6 C131 R170 R171 C140 C141 C142 C148 C149 C150 C151 TP1 C152 TP12 TP13 TP17 TP2 D102 D103 D104 Q201 D105 TP22 D106 TP23 D107 C170 IC102 C186 RXD ANT TXD R201 GND BZ1 C160 C161 C162 C163 IC101 IC103 DC Power 2 30V 2 60V 600 AF Volt Meter LOOP Simulator D...

Page 20: ...3 4 1 1 Base Unit 3 4 1 2 Handset C B E B1ABDM000001 B0EDER000009 Anode Cathode B0DDCD000001 8 5 4 1 PNWITG1611EH PQVDRLZ20A Cathode Anode B1AAJC000010 B1ACGP000008 3 2 1 4 C0DBEYY00102 C B E B1ADGE000012 PSVTDTC143X B1ABGE000011 8 5 4 1 PNWIGA161EXR Anode Cathode B0DDCD000001 DA2J10100L B0JCMC000006 Anode Cathode 2SC4081R 1 3 2 4 5 6 MTM767200LBF B3ADB0000064 ...

Page 21: ...1 2 3 ANT_2 ANT_1 C R39 10 C C R50 330k R51 330k C70 680p C71 680p C107 NC C108 NC R21 33k C58 0 1u C25 NC C C111 NC Q1 C45 NC R15 2 2k R32 NC Q4 B C E R24 NC R25 NC R20 39k C56 NC C57 NC C C802 4 7u C1 NC C61 NC C106 NC R12 13k P101 Q3 B E C C15 100n R29 10 R28 10k R27 680 D10 NC C21 NC C825 10p C50 NC R3 750 R4 150 C6 0 1u R8 820k R11 3 3k R6 22k C14 560p C13 0 015u IC3 3 P0 0 PWM 4 I2DAT 5 I2CL...

Page 22: ...CC D104 A K G R170 NC C826 10p G ANT Short ANT Short GND G Q105 R114 12 C815 0 8p C115 100p C116 100p C186 1000p C119 NC C121 10p C108 NC C160 NC C161 NC C162 NC C163 NC C131 220u 6 3 C140 4 7u Q101 B E C Q103 B C E Q201 NC 1 2 X101 20 736M 1 3 2 C830 NC C141 4 7u C802 4 7u VDDIO C203 NC Shield 1 2 6 7 9 11 3 4 5 8 10 12 G F1 32 2 5 G G G RA101 120 1 2 3 4 RA801 390 1 2 3 4 VDDIO1 C801 NC G C823 1...

Page 23: ...C821 C823 C1 C825 C826 C3 C4 C5 C6 C7 C8 C9 C830 D1 D2 D6 D7 F1 D801 SW1 D10 C105 C106 C107 C108 C109 C110 C111 IC1 IC2 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 SA1 SA3 R20 R21 R22 R24 Q1 R25 Q2 R26 C809 R27 Q4 R28 R29 R30 R31 R32 R33 R34 R35 R2 R36 R3 R4 R5 R39 R6 R7 R8 R9 R50 R51 X1 C10 C11 C12 C13 C14 R200 C15 R201 C17 IC3 C47 C46 RA801 C812 C811 C24 C19 C33 C20 C103 C104 R104 R103 RA43 C49 C41 ...

Page 24: ...1 0 DCM DCP LINE_DC VDD CL13 CL14 L1R L1T TP3 GND1 J101 RXD TXD GND TXD Charge Charge RXD ANT L1R L1T VDD 2 65V DC P1 0 CLK 10 368MHz Line DC 0V ON Hook 9 8V Off Hook for JIG KX TG1711 CIRCUIT BOARD Base Unit_Main Bottom View ...

Page 25: ...107 R108 R114 R121 R122 VBAT C100 C101 C102 C103 C105 C106 C107 C108 C109 C110 C111 X101 C112 C113 C115 C116 C119 VDDDCDC2 C120 C121 C122 C123 C124 C125 C126 C127 C128 C129 TP5 JOINT1 TP6 C131 R170 R171 C140 C141 C142 C148 C149 C150 C151 TP1 C152 TP12 TP13 TP17 TP2 D102 D103 D104 Q201 D105 TP22 D106 TP23 D107 C170 IC102 C186 RXD ANT TXD R201 GND BZ1 C160 C161 C162 C163 IC101 IC103 RESET 3 3VDC BAT...

Page 26: ...26 3 6 2 2 Bottom View PHONEBOOK 0 REDIAL 3 2 1 4 5 6 7 8 9 DN SW1 PAUSE FLASH CID UP CN2 MENU OK CLEAR TALK KX TGA171 CIRCUIT BOARD Handset_Main Bottom View ...

Page 27: ...0 R39 ERG2SJ100E 10 R50 ERJ2GEJ334 330k R51 ERJ2GEJ334 330k R103 ERJ12YJ223U 22k R104 PQ4R10XJ152 1 5k S R200 ERJ2GEJ331 330 R201 ERJ2GEJ331 330 CAPACITORS C3 ECEA1HKA100 10 C4 ECJ0EB0J224K 0 22 C5 ECUV1A105KBV 1 S C6 ECUE1C104KBQ 0 1 S C7 ECUE1A104KBQ 0 1 S C8 ECUE1H101JCQ 100p S C9 ECUV1C474KBV 0 47 S C11 ECUE1A104KBQ 0 1 S C12 ECUE1A104KBQ 0 1 S C13 ECUE1C153KBQ 0 015 S C14 ECUE1H561KBQ 560p S ...

Page 28: ... R122 D0GA103JA021 10k S R201 ERJ3GEY0R00 0 S R230 ERJ2GEJ330 33 S CAPACITORS C101 ECUE1C104KBQ 0 1 C102 EEE0JA221WP 220 C105 ECUE1A104KBQ 0 1 C106 ECUE1A104KBQ 0 1 C107 PQCUV0J106KB 10 C109 EEE0JA101WR 100 C110 ECUE0J105KBQ 1 C111 ECUE1H100DCQ 10p C115 ECUE1H101JCQ 100p C116 ECUE1H101JCQ 100p C120 ECUE1A104KBQ 0 1 C121 ECUE1H100DCQ 10p C122 ECUE1H010CCQ 1p S C123 ECUE1H100DCQ 10p C124 ECUE1A104KB...