Panasonic KX-TG6611CXB Service Manual Download Page 73

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KX-TG6611CXB/KX-TG6611CXS/KX-TG6612CXB/KX-TG6612CXS/KX-TGA661CXB/KX-TGA661CXS

14.3. Circuit Board (Charger Unit)

14.3.1. Component View

14.3.2. Bottom View

CIRCUIT BOARD (Charger Unit (Component View))

PNLB1922Z

3.0A

PbF

-IG

CIRCUIT BOARD (Charger Unit (Bottom View))

Summary of Contents for KX-TG6611CXB

Page 1: ...tal Cordless Phone B Bkack Version S Silver Version for Singapore for Indonesia for Vietnam Handset KX TGA661CXB CXS KX TG6611CXB CXS Base Unit Caller ID Compatible Charger Unit Model No Base Unit Han...

Page 2: ...by in the Schematic Diagrams Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to preven...

Page 3: ...42 10 1 Disassembly Instructions 42 10 2 How to Replace the Handset LCD 46 11 Measurements and Adjustments 47 11 1 Equipment Required 47 11 2 The Setting Method of JIG Base Unit 47 11 3 Adjustment St...

Page 4: ...ufacturer 3 Dispose of used batteries according to the manufacture 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 e...

Page 5: ...and Bismuth Sn Zn Bi Please check the manufacturer s specific instructions for the melting points of their products and any precautions for using their product with other materials The following lead...

Page 6: ...1 152 kbit s Modulation GFSK Gaussian Frequency Shift Keying RF transmission power Approx 10 mW average power per channel Power source AC Adaptor 100 240 V AC 50 60 Hz Power consumption Base unit PNLV...

Page 7: ...r To HANDSET Limit Resistor Charge Detector Power Failer Mode Power Supply SW Q351 IC351 CHARGE CHARGE Optional Optional DC DC convertor DC DC convertor IC2 L3 C36 Q602 IC2 L3 C36 Q602 Q9 Q9 Q8 Q8 2 4...

Page 8: ...d speech decoding DSP section Echo cancellation and Echo suppression DSP section Any tones tone sidetone ringing tone etc generation DSP section DTMF receiver DSP section Clock Generation for RF Modul...

Page 9: ...in Fig 101 The power supply is as follows DECT BBIC IC7 DC Jack 5 5 V IC2 IC7 DC Jack 5 5 V IC2 Q9 IC7 DC Jack 5 5 V IC2 Q8 IC7 EEPROM IC401 DC Jack 5 5 V IC2 IC7 IC401 Charge Contact TP16 DC Jack 5 5...

Page 10: ...o DECT BBIC IC7 as shown in Block Diagram Base Unit P 7 The voice signal passes through the analog part of IC7 where it is amplified and converted to a digital audio stream signal The burst switch con...

Page 11: ...SCL CPU Analog Front End D A A D 34 36 23 24 19 20 33 32 58 59 85 26 43 44 64 55 56 67 ADPCM Codec Filter DSP Speech Decoding Speech Encoding BMC Burst Decoding ANT1 Burst Encoding RF PLL MOD DEMOD 5...

Page 12: ...s IC1 62 pin and 1 8 V 4 4 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 5 5 V R56 R55 D22 CHARGE Base CHARGE Handset Q4 F1 BATTERY...

Page 13: ...es BBIC IC1 turns IC6 ON since handset presumes that base unit s power is failed Base unit detects that power voltage of AC adaptor 5 5V is OFF at IC351 then turns Q351 ON It s possible to use the uni...

Page 14: ...DA801 C826 ANT2 C853 C864 IC7 3 C863 IC7 2 IC7 27 R116 R29 C22 Q5 Q3 D3 P1 B A L802 C812 DA801 C803 DA802 D3 Q3 Q5 R20 C56 R117 IC7 25 IC7 95 to HANDSET HANDSET from BASE UNIT ANT C803 DA801 C826 BASE...

Page 15: ...n download and refer to the Operating Instructions Instruction book on TSN Server 7 1 For Service Hint Items Contents Battery You could use other rechargeable batteries sold in a market but the unit i...

Page 16: ...262 7664 PANA SONI see letters printed on dial keys 7 Enter Address 2 9 Press a long confirmation beep will be heard 10 Press off to return to standby mode After that turn the base unit power off and...

Page 17: ...contents Careless rewriting may cause serious damage to the computer system ID 00 02 00 06 Given value Bell length 02 42 64 10sec 3 1E 3 sec 14 2 sec This is time until bell stops ringing Unit 100 mse...

Page 18: ...keys 5 Enter Address 1 7 Press a long confirmation beep will be heard 8 Press off to return to standby mode After that remove and reinsert the batteries Press the Power button for about 1 second if t...

Page 19: ...reless rewriting may cause serious damage to the handset Items Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Sending level 04 5A Adjusted value...

Page 20: ...Operating Instructions To cancel the handset refer to Deregistering a Handset in the Operating Instructions To copy the handset phonebook refer to Copying Phonebook Entries in the Operating Instructi...

Page 21: ...the handset phonebook refer to Copying Phonebook Entries in the Operating Instructions 1 Cancel HS A 2 Register HS B as a handset no 1 3 Register HS A as a handset no 2 4 Copy the phonebook data from...

Page 22: ...et registration to the base unit is cancelled If the handset needs to be registered to the base unit refer to Registering a Handset to a Base Unit in the Operating Instructions If users do not bring t...

Page 23: ...Transmission P 33 Check Handset Reception P 33 Signal Route P 14 Check Caller ID P 33 Power ON Base Unit Bell Link Battery Charge Handset Voice Transmission Handset Voice Reception DTMF dial OK OK No...

Page 24: ...z Check X1 Check BBIC IC7 Is the Collector of Q8 about 1 8 V Is BBIC IC7 62 High Check BBIC IC7 YES YES YES YES YES YES YES NO NO NO NO NO Is the Collector of Q9 about 2 5 V YES Is the output voltage...

Page 25: ...lug in the AC Power source Charge Handset on Base Unit Is the voltage of two charge contacts about 3 V or more OK NO Check Charge Contacts at Base Unit from mechanical point of view YES Is BBIC IC1 33...

Page 26: ...and adjust clock frequency Refer to Check Point G NO NO NO 1 NO YES YES YES YES YES NO NO NO Replace with a new Circuit Board Is the modulation OK Refer to Check Point K Is the voltage of VDD3 about...

Page 27: ...Reference Check Point Base Unit P 35 YES NO NO NO NO Is the Frequency Drift OK Refer to Check Point L YES Is the Sensitivity Receiver OK Refer to Check Point M YES Is the Timing OK Refer to Check Poi...

Page 28: ...Replace with a new Circuit Board Is the voltage of CP3 0V about 3 0 V Refer to Check Point Q Does the RF clock CLK oscillate 10 368 MHz in Handset Test Mode Refer to Check Point H YES Is the voltage o...

Page 29: ...Power Supply Circuit Reset Circuit P 12 Cross Reference Check Point Handset P 38 NO NO NO YES Is the Sensitivity Receiver OK Refer to Check Point O YES Is the Frequency Drift OK Refer to Check Point N...

Page 30: ...Instructions 1 Prepare Regular HS Handset and Regular BU Base unit 2 a Re register regular HS Normal mode to Base Unit to be checked If this operation fails in some ways the Base Unit is defective b...

Page 31: ...efer to the each item Note 1 Base unit refer to G of Check Point Base Unit P 35 Handset refer to H of Check Point Handset P 38 Start Link confirmation Normal 1 Control signal confirmation X tal Freque...

Page 32: ...sh link 1 Register HS to be checked to Regular BU 2 Press Talk key of the HS to establish link 2 X tal Frequency confirmation 1 Check X tal Frequency 1 10 368 MHz 20 Hz 1 Check X tal Frequency 2 10 36...

Page 33: ...Handset Reception Cross Reference How to Check the Handset Speaker or Receiver P 57 Signal Route P 14 9 1 7 Check Caller ID Cross Reference Signal Route P 14 OK Check MIC of Handset Check CDL TX HANDS...

Page 34: ...ll sound signal at BBIC IC7 17 19 NO YES When bell signal is coming is there bell sound signal at BBIC IC7 14 Check around C3 C4 C5 C6 R3 R4 R5 R6 C136 C137 R32 R33 R34 R35 C52 C53 P1 C168 C42 C43 R42...

Page 35: ...Replace Parts A 3 0 V Supply Confirmation VDD3 1 Confirm that the voltage between test point VDD3 and GND is 2 85 V 0 2 V IC2 C32 C36 C86 C88 R91 R93 L3 C602 C38 R605 R607 R608 R609 R610 R612 Q602 B...

Page 36: ...the command sendchar dmv 2 2 4 Check that Signalling Status has been set to Locked then press ACCEPT RFPI 5 Initiate connection from Dect tester set up connect 6 Execute the command ANT1 7 Confirm tha...

Page 37: ...A802 L802 L803 C855 C858 R806 R807 R106 R109 Q9 C617 R71 Q Audio Check 1 Link with Handset which is connected to Line Simulator 2 Set line voltage to 48 V and line current to 50 mA 3 Input 45 dBm 600...

Page 38: ...EEP ROM Confirmation Execute the command sendchar EPV 2 Confirm the returned Value Value for reference is written at EEPROM C SUM in Software_Version_Table xls IC1 IC3 RA40 C172 D Charge Control Check...

Page 39: ...f CLK executing the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 10 368000 MHz 5 Hz Note Clear the registered information for Base Unit before measu...

Page 40: ...Input 20 dBm 600 1 kHz to Line I F Measure the Level at Receiver of Handset and distortion level Receive volume set to second position from minimum 6 Confirm that the level is 23 5 dBm 4 dBm and that...

Page 41: ...extent Conditions 1 When customer s line has less line loss ex The customer is using optical fiber ISDN terminal adaptor or PBX In this case receiving signal is strong and it may affect transmission...

Page 42: ...ssembly Instructions 10 1 1 Base Unit Remove the 4 screws to remove the cabinet cover Remove the tape and solders Cabinet cover 4 screws Tape and Solders Insert a plastic card Ex Used SIM card etc bet...

Page 43: ...X TG6611CXB KX TG6611CXS KX TG6612CXB KX TG6612CXS KX TGA661CXB KX TGA661CXS Remove the screw to remove the main P C board Main P C board screw Remove the screw to remove the jack holder Jack holder s...

Page 44: ...rd etc between the cabinet body and the cabinet cover then pull it along the gap to open the cabinet Likewise open the other side of the cabinet Remove the cabinet cover by pushing it upward Remove th...

Page 45: ...screw to remove the cabinet cover Remove the solders to remove the 2 charge terminals Screw Solders Main P C board 2 charge terminals Insert a plastic card Ex Used SIM card etc between the cabinet bo...

Page 46: ...n the P C board is not damaged Fit the heatseal of a new LCD Rubber of Soldering Iron Part No PQZZ430PRB Tip of Soldering Iron Part No PQZZ430PIR Heatweld with the tip of the soldering iron about 5 to...

Page 47: ...ethod of JIG Base Unit This section explains the PC setting to use command required in Check Point Base Unit P 35 Preparation Serial JIG cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM f...

Page 48: ..._COM X D PNZZTG READID 00 52 4F A8 A8 D PNZZTG DOSKEY D PNZZTG Example error happens C Documents and Settings D D CD PNZZTG D PNZZTG SET_COM X D PNZZTG READID CreateFile error ERROR 10 Can t open seri...

Page 49: ...C22 C57 C4 C43 C56 C14 C166 C1 C7 C5 C421 C423 C30 C88 C29 C809 R77 R78 R34 R609 R610 R611 R5 R6 R7 R14 R15 R360 R369 R29 R19 R24 R23 R8 R71 R657 R424 R361 R362 R363 R95 R364 R367 R368 R366 R365 IC421...

Page 50: ...XS 11 4 Adjustment Standard Charger Unit When connecting the simulator equipment for checking please refer to below 11 4 1 Bottom View Note A is referred to Check Point Charger Unit P 37 A PNLB1922Z 3...

Page 51: ...nge the following values of resistance Then you can use it as a JIG Cable for both TCD300 and TCD500 series It is an upper compatible JIG Cable 11 5 1 Connections Connect the DC Power or Battery to BA...

Page 52: ...and Settings D D CD PNZZTG D PNZZTG SET RTX_COM X D PNZZTG READID 00 52 4F A8 A8 D PNZZTG DOSKEY D PNZZTG Example Error happens C Documents and Settings D D CD PNZZTG D PNZZTG SET RTX_COM X D PNZZTG R...

Page 53: ...T Short GND ANT Short AT1 R203 R807 R806 R19 R76 R32 R34 R215 R306 R10 R8 R6 R9 L48 L74 IC1 IC3 RA4 RA40 RA30 RA31 RA61 DA801 D3 D2 Q7 Q6 Q5 Q9 C96 C17 C18 C97 C12 C16 C184 C39 C83 C53 C44 C865 C138 C...

Page 54: ...onnect the DC Power in order to download the data 2 Execute the command flw441 hex 3 Connect the DC Power 4 Press the PC Enter key once 5 After a few minutes Successful upgrade is displayed on the PC...

Page 55: ...n press the handset Power key to turn it on 8 Connect the JIG cable again and execute the command getchk then confirm the checksum value is correct If the downloading fails start again from step 1 9 D...

Page 56: ...eck Point Base Unit L Frequency Drift 20 kHz msec Check Point Base Unit M RX Sensitivity 1000 ppm Check Point Base Unit N Timing Accuracy 5 0 ppm 15 0 ppm Check Point Base Unit O Power RAMP Power RAMP...

Page 57: ...mit Frequency Receive Frequency 1 1897 344 1897 344 1897 344 1897 344 2 1895 616 1895 616 1895 616 1895 616 3 1893 888 1893 888 1893 888 1893 888 4 1892 160 1892 160 1892 160 1892 160 5 1890 432 1890...

Page 58: ...rience could overheat 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 P 4 12 1 2 How to Remove...

Page 59: ...ins Check 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 arro...

Page 60: ...he PCB foil Hot Air Desoldering Tool Temperature 608 F 68 F 320 C 20 C 12 2 2 Caution To replace the IC efficiently choose the right sized nozzle of the hot air desoldering tool that matches the IC pa...

Page 61: ...G6612CXS KX TGA661CXB KX TGA661CXS 12 2 4 How to Install the Shield Case Note If you don t have special tools ex Hot air disordering tool conduct the following operations Shield case s No PNMC1032Z 1...

Page 62: ...125 B1ACGP000007 E C B 1 3 2 5 4 B1ZBZ0000074 B C E DSC7003S0L Anode Cathode B0ECKM000008 C1CB00003540 41 21 40 61 80 60 20 1 1 Reverse View 1 2 3 4 C0EBE0000124 PQVDPTZT2530 C B E B1ADGE000012 B1ABGE...

Page 63: ...at any time with the development of new technology 13 1 2 Handset Schematic Diagram Handset Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic di...

Page 64: ...E 34 DP1 PAOUTp P3_1 35 VDD_PA 36 DP0 PAOUTn P3_0 37 ULP_XTAL 38 CP_C1x 39 CP_C2x 40 CP_C1y 41 VBAT_CP 42 CP_C2y 43 CP_VOUT1 44 CP_VOUT2 45 PON P1_6 46 VDD1 47 P2_7 BXTAL 48 P1_5 INT5 RDI VDDE 49 P1_4...

Page 65: ..._RXn 3 RF_RXp 4 VSS_LNA2 5 RFP1 6 RFP0 7 REF_RES 8 AVS_XTAL 9 XTAL2 10 XTAL1 11 AVD_XTAL 12 RF_SUPPLY1 13 PARADET P3_4 14 RINGOUT RINGING P3_5 15 RINGn P3_6 16 RINGp P3_7 17 CIDINp P3_2 18 VREFp 19 CI...

Page 66: ...18 100k KX TGA661 only R19 33k C32 K0 1u KX TGA661 only C60 NC GND C61 NC C62 NC CP2 8V CP_V2 CHG CHG LEFT 1 2 DOWN 1 2 RIGHT 1 2 UP 1 2 R70 NC CP2 8V CP2 8V C63 NC D3 R73 NC R74 NC C68 NC C65 NC C69...

Page 67: ...ND C76 K2200p C809 10p C826 1 1p C77 K2200p R100 100k R101 NC C704 K0 1u GND AT1 TP2 ANT DECT1 1 2 RF SHIELD 1 2 6 8 10 12 3 4 5 9 11 13 7 GND R77 1 R76 1 ANT Short ANT Short GND MIC AP1 1 2 IC4 VJ1 1...

Page 68: ...68 KX TG6611CXB KX TG6611CXS KX TG6612CXB KX TG6612CXS KX TGA661CXB KX TGA661CXS 13 4 Schematic Diagram Charger Unit J1 2 1 G TP1 TP2 F1 R1 6 8 2W SCHEMATIC DIAGRAM Charger Unit...

Page 69: ...d C157 C812 C822 C19 C18 C28 C864 C811 C810 C805 C837 C806 C853 C86 C851 C39 C858 C804 C802 C856 JOINT1 JOINT2 R55 SW501 SW502 R12 R13 R18 R20 R129 R27 R130 R32 RA1 R811 R126 R615 R56 R93 R109 L803 IC...

Page 70: ...R609 R610 R611 R5 R6 R7 R14 R15 R360 R369 R29 R19 R24 R23 R8 R71 R657 R424 R361 R362 R363 R95 R364 R367 R368 R366 R365 IC421 IC431 IC401 TP16 sub TP16 TP15 sub TP9 D23 D6 D5 D16 ANT_1 D15 D28 D10 Q8 Q...

Page 71: ...C837 C866 C45 STM C814 C152 C72 C76 C32 C86 C185 C343 C340 C8 C19 C7 C150 C113 ANT Short GND ANT Short AT1 R203 R807 R806 R19 R76 R32 R34 R215 R306 R10 R8 R6 R9 L48 L74 IC1 IC3 RA4 RA40 RA30 RA31 RA61...

Page 72: ...TGA661 CIRCUIT BOARD Handset_Main Bottom View 1 2 3 SOFT_A SOFT_B SOFT_C RIGHT LEFT UP R TALK S1 SP 6 5 7 0 A 4 9 8 MIC LED7 LED5 LED12 LED1 LED2 LED3 C62 C61 C60 C69 C68 R70 R71 R72 R75 R50 R74 R73 R...

Page 73: ...612CXB KX TG6612CXS KX TGA661CXB KX TGA661CXS 14 3 Circuit Board Charger Unit 14 3 1 Component View 14 3 2 Bottom View R1 J1 CIRCUIT BOARD Charger Unit Component View A A PNLB1922Z 3 0A F1 PbF IG CIRC...

Page 74: ...net and Electrical Parts Base Unit Note 1 The SPACERs No 11 are cut from the excess parts of SPACER No 106 of Cabinet and Electrical Parts Handset P 75 10 A A Ref No Figure A 2 6 x 8 mm PCB1 7 2 5 A A...

Page 75: ...e rechargeable Ni MH battery HHR 4MRT is available through sales route of Panasonic 3 Attach the spacer No 117 to the exact location described above 102 103 104 E105 E104 E101 1 112 113 105 108 109 B...

Page 76: ...76 KX TG6611CXB KX TG6611CXS KX TG6612CXB KX TG6612CXS KX TGA661CXB KX TGA661CXS 15 3 Cabinet and Electrical Parts Charger Unit B 200 200 1 200 3 200 4 200 2 PCB200 Ref No 2 8 mm B Figure...

Page 77: ...77 KX TG6611CXB KX TG6611CXS KX TG6612CXB KX TG6612CXS KX TGA661CXB KX TGA661CXS 15 4 Accessories A2 A1...

Page 78: ...DS Carbon ERJ Chip ERX Metal Film ERG Metal Oxide ER0 Metal Film PQ4R Chip ERS Fusible Resistor ERF Cement Resistor Type ECFD Semi Conductor ECQS Styrol ECUV PQCUV ECUE Chip ECQMS Mica ECCD ECKD ECBT...

Page 79: ...10 S R605 ERJ2GEJ472X 4 7k S R607 ERJ6RSJR10V 0 1 R608 ERJ6RSJR10V 0 1 Safety Ref No Part No Part Name Description Remarks R609 ERJ2RKF1202 12k R610 ERJ2RKF2202 22k R611 ERJ2GEJ103 10k S R612 ERJ6RSJ...

Page 80: ...1CXB 108 PNJK1114V KEYBOARD SWITCH for KX TGA661CXS 109 PNJT1059Z CHARGE TERMINAL L 110 PNJT1060Z CHARGE TERMINAL R 111 PQHR11315Z GUIDE SPEAKER ABS HB 112 L0AA02A00095 SPEAKER 113 PQHS10784Y SPACER S...

Page 81: ...BQ 0 1 C174 ECUV1C105KBV 1 C175 ECUV1C105KBV 1 C188 ECUE0J105KBQ 1 Safety Ref No Part No Part Name Description Remarks C189 ECUE0J105KBQ 1 C340 ECUE1H100DCQ 10p C343 ECUE1A104KBQ 0 1 C344 ECUE1A104KBQ...

Page 82: ...KXTG6611CXS KXTG6612CXB KXTG6612CXS KXTGA661CXB KXTGA661CXS Safety Ref No Part No Part Name Description Remarks PCB200 PNWPTGA660CH MAIN P C BOARD ASS Y RTL JACK J1 K2ECYB000001 JACK S RESISTOR R1 ERX...

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