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1. al 40 gle W 0 15 ST Pattern W 0 15mm L 7mm 3rd layer p W 0 5mm L 5mm 826 ao 1st layer T 2 RF RXp C812 1809 1 82 t A EH DAB01 p 5 8 2 818 sy W 0 15mm ST ets SJs TX RF L 20mm ale 2 L sr layer 8 8 W 02mm wid 1100 Her Tm st layer GND GND Emm 4 st layer 3 VBAT W 0 15mm 8 1 6 2mm 1st layer 6 A a ES 872 8 1 SP phone RX 180 SP PHONE SPEAKER RECEIVER 7 GND GND GND Handset RX R80 100 8 Headset RECEIVER R23 MIC POWER 9 C37 1608 Headset Jack E E I GNDA1 GI T DA HEADSET DET 10 MIC AP1 g 572818 Handset TX 8 21 SP phone TX cho DA RF SHIELD NC GND NC No Components KX TGA470 SCHEMATIC DIAGRAM Handset Main Downloaded from www Manualslib com manuals search engine 73 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 14 5 Schematic Diagram Handset LED KX TGA470 SCHEMATIC DIAGRAM Handset LED Downloaded from www Manualslib com manuals search engine 74 14 6 Schematic Diagram Charger Unit KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 F1 R1 R2 D1 1 LJ Pl 2 1 05W 1 05w A J1 TP2 G Do
2. 25 9 Service Mode 29 9 1 How to Clear User Setting Handset Only 29 10 Troubleshooting Guide 30 10 1 Troubleshooting Flowchart 30 11 Disassembly and Assembly Instructions 44 11 1 Disassembly Instructions 44 11 2 How to Replace the Base Unit LCD 48 11 3 How to Replace the Handset LCD 50 12 Measurements and Adjustments 51 12 1 Equipment Required 51 12 2 The Setting Method of JIG 51 12 3 Adjustment Standard Base Unit 55 12 4 Adjustment Standard Charger Unit 56 12 5 Adjustment Standard Handset 57 12 6 Things to Do after Replacing IC or X tal 58 12 7 Frequency Table 60 13 Miscellaneous 61 13 1 How to Replace the LLP Leadless Leadframe Package IC 61 13 2 How to Replace the Flat Package IC 63 13 3 Terminal Guide of the ICs Transistors and Diodes 65 14 Schematic Diagram 66
3. 5472 iaar SU 81 520 NC em 5 dF 3 Tro 5 9 5 6 C457 NC o o E X501 2 mm e Caller ID 8 8 R121 390k 121 680 iS T freono Te 5 8 m E R122 390k C122 680p 45 5V 45 5V e Bell e A VDDC F301 30A DCP HOOK a vA laz cl ee 5 2 C45 Ok je 3 0 E ss Eh 8 o 6 3 TZ c120 X amp ZA Szy YES 2776 8 3 mim 3 5 RL p 585 Rh 9 a thy 3 amp gus DCM 10 C461 HH gus S 5 S 11 ms x 3 0V 3 0 c Q111 ol 5 y elelslslslslslelslslelelekislat WES mono T gt a SSERS SP PESSSER SEER ELSES ono E sls ota ie 2108844 252238353855 248 Sasa X8zzp9p 202922 x A 48 lo CHARGE ES as 676 6 Ops 28 min 2 VBG VCCA R z vaer 224 DCINS LIN1 1 DONE CHARGE DET F I 1 DCIN1 1 1 DCINO LINO 2 9 1 DOUBOUT 8989 i 5 DOUBCAPP T VBAT VBAT 45 5V 1C501 DOUBCAPP ZONE 1 GND 1 DOUBCAPN Hu 9 C302 1 DousBcAPN 1 C821 p tu L501 E H VBAT S OUTI IN coneour iu 1000 E Hours 1 1 VDDC2 a3 og 1 GPIO 26 slesi eu 1 GPIO 25 GPIO 24 3 X N blicul t2clcll2 GPIO 23 21 9p 8 g 8 is GPIO 22 5 908 F GPIo 21 2 8 N S TE g TN Vv 50499 2 O 00 gt 0
4. DC JACK AC adaptor Base unit P C board Note COM port names may vary depending on what your PC calls it Downloaded from www Manualslib com manuals search engine 51 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 12 2 2 Connections Handset Connect the DC Power or Battery to and BATT Connect the JIG cable GND black to GND Connect the JIG cable UTX yellow to UTX and URX red to URX 3 URX red To Serial Port JIG Cable Handset P C board Note COM port names may vary depending on what your PC calls it Downloaded from www Manualslib com manuals search engine 52 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 12 2 3 How to install Batch file into P C 1 Insert the Batch file CD ROM into CD ROM drive and copy PNZZTG folder to your PC example D drive Example for Windows 2 Open an MS DOS mode window On your computer click Start select Programs All Programs for Windows XP Windows Server 2003 then click MS DOS Prompt for Windows 95 Windows 98 Or Accessories MS DOS Prompt for Windows Me Or Command Prompt for Windows NT 4 0 Or Accessories Command Prompt 3 At the DOS prompt type D for example to select the for Windows 2000 Windows XP Windows Server 2003 drive then press the Enter key 4 Type CD PNZZTG then press the Enter key lt Example gt 5 Type SET_COM X then press the Enter k
5. X tal Frequency confirmation Adjust X tal Frequency 1 TX confirmation Check TX Block Range confirmation Normal TEST RANGE Check Note 1 Refer to Check Link P 36 Downloaded from www Manualslib com manuals search engine 39 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 6 3 Check Table for RF part No Item BU Base Unit Check HS Handset Check 1 Link Confirmation Normal HS BU Mode Normal Mode 1 Register Regular HS to BU to be checked 2 Press Talk key of the Regular HS to establish link 2 Register HS to be checked to Regular BU Press Talk key of the HS to establish link HS BU Mode Adjustment 2 X tal Frequency confirmation Check X tal Frequency 13 824000 MHz 100 Hz Check X tal Frequency 13 824000 MHz 100 Hz 3 TX confirmation HS Mode HS Burst Mode 1 BS Mode BS Burst Mode 2 1 Remove wire antenna 2 and connect spectrum analyzer to TP 3 2 Confirm TX power whether spec is satisfied Power gt 14 5dBm 1 2 Connect spectrum analyzer to TP 4 Confirm TX power whether satisfied spec Power gt 16 0dBm 4 Range Confirmation Normal HS BU Mode Normal Mode 1 Register Regular HS to BU to be checked 2 Press Talk key of the Regular HS to establish link 3 Compare the range of the BU being checked with that of the Regular BU
6. 11507 RUBBER PARTS SIDE SWITCHES SWITCH VOL DW KOH1BBO00094 TACTILE SWITCH 112 PQHR11315Z GUIDE SPEAKER ABS HB VOL UP 0 1 000094 SWITCH 113 L0AA02A00096 SPEAKER RESISTORS 114 PQHS10784Y SPACER SPEAKER NET R2 ERJ2GEJ303 30k 115 PQJC10056W BATTERY TERMINAL R3 D0GA152JA021 1 5k 116 PNKE1131Z1 COVER EP R4 D0GA473JA021 47k 117 PNKF1229Z1 CABINET COVER ABS HB R6 D0GA103JA021 10k 118 PNHR1588Z OPTIC CONDUCTIVE PARTS PS HB R7 D0GA104JA021 100k LED LENS R8 PQ4RI8XJ3R3 3 3 S 119 PNQT2006Z LABEL ATTENTION RS ERJ2GEJ303 30 120 PNQT2335Z LABEL BATTERY R21 D0GA1045A0211100k 121 PNHS1079Z SPACER BATTERY R22 D0GA332JA015 3 3k 122 PNKK1066Z1 LID BATTERY ABS HB R23 ERJ2GEYJ391 390 5 123 PNYNTGA470BR LID BATTERY ASS Y ABS HB R24 2 00 10 5 R25 D0GA222JA021 2 2k 16 5 2 2 Main P C Board Parts Note R27 D0GA2223JA021 2 2k 1 Reconfirm the model No written on the handset s name R28 DOGA222JA021 2 2k plate when replacing PCB100 Because the model No of IE suns BL 32 D0GA104JA021 100k the optional handset may differ from the included handset 5233 TOOk 2 When replacing IC3 or X1 make the adjustment R34 ERJ2GEYJ391 390 5 using PNZZTG4741M Refer to Handset 59 of Things R45 ERJ6RSJR10V 0 1 to Do after Replacing IC or X tal a m 3 When replacing the handset LCD See How to DOGAZ22JA021 2 2K Replace the Ha
7. 96 T I N KXTG4732B KXTG4733B KXTG4734B KXTGA470B ORDER NO KM41309642SE F13 Manual Telephone Equipment A Model No KX TG4732B KX TG4733B KX TG4734B KX TGA470B Digital Cordless Answering System B Black Version for U S A Please file and use this supplement manual together with the service manual for Model No KX TG4732B KX TG4733B KX TG4734B KX TGA470B Order No KM41201526CE A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Panasonic System Networks Co Ltd 2013 m P n ni Unauthorized copying and distribution is a violation of law Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 REPLACEMENT PARTS LI
8. Note 1 Both Auto Disconnect and CPC don t detect for the first 2 seconds 2 If the Disable is selected even if the parallel connected telephone is OFF HOOK the line isn t disconnected 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Downloaded from www Manualslib com manuals search engine 33 KX TG4732B KX TG4733B KX TG4734B KX TGA470B B Vox level It makes easier to detect a small voice caller by raising the sensitivity of VOX level Therefore the recording of TAM is not turned off during a detection 1 2 are same as 3 Press B 4 VEN Service ready ro dl 4 Then enter the below last digit last digit default setting normal 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Downloaded from www Manualslib com manuals search engine 34 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 3 Check Playback 10 1 3 1 Base Unit NO Check VDDC 1 2 V Test Point TVDDC Check Power Supply Circuit OK Check output of BBIC Pin 29 31 OK Check BBIC and Flash Memory Check Speaker and its surroundings Cross Reference Note Power Supply Circuit Reset Circuit P 12 Flash Memory is IC601 BBIC is IC1 1 Refer to Circuit Board Base Unit Main P 77 10 1 4 Check Battery Charge 10 1 4 1 Base Unit P
9. dS 105 peog 1V8A LHVd 3H ZLNY LINY Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 3 Block Diagram Base Unit RF Part 1 KX TG4732 4733 4734 BLOCK DIAGRAM Base Unit RF Part Downloaded from www Manualslib com manuals search engine 10 4732 4733 4734 470 4 4 Circuit Operation Base Unit General Description BBIC Flash Memory is a digital speech signal processing system that implements all the functions of speech compression record and playback and memory management required in a digital telephone answering machine The BBIC system is fully controlled by a host processor The host processor provides activation and control of all that functions as follows DECT system TDMA TDD Digital Mod Demod Speech Line Processor Interface Caller ID Modem BBIC 501 Digital TAM System EEPROM 611 Keys LEDs Charge Flash Memory 601 4 4 1 Base Band IC 501 Voice Message Recording Play back The BBIC system uses a proprietary speech compression technique to record and store voice message in Flash Memory An error correction algorithm is used to enable playback of these messages from the Flash Memory DTMF Generator When
10. A r m g d A A Downloaded from www Manualslib com manuals search engine 79 KX TG4732B KX TG4733B KX TG4734B KX TGA470B Memo Downloaded from www Manualslib com manuals search engine 80 4732 4733 4734 470 15 3 Circuit Board Handset Main 15 3 1 Component View gt Im 2 8 A ANT TP ANT GND CKM STM CLK 13 824MHz 3 0V Output SP MIC MIC SP URX UTX je signal communication jig GND VBAT CHG CHG KX TGA470 CIRCUIT BOARD Handset_Main Component View Downloaded from www Manualslib com manuals search engine 81 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 15 3 2 Bottom View KX TGA470 CIRCUIT BOARD Handset Main Bottom View Downloaded from www Manualslib com manuals search engine 82 15 4 Circuit Board Handset LED KX TG4732B KX TG4733B KX TG4734B KX TGA470B Downloaded from www Manualslib com manuals search engine KX TGA470 CIRCUIT BOARD Handset LED Component View 83 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 15 5 Circuit Board Charger Unit 15 5 1 Component View OI ZLI80c8 INd 15 5 2 Bottom View OI ZLI80c8 INd CIRCUIT BOARD Charger Unit Bottom View Downloaded from www Manualslib com manuals search engine 84 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 Exploded
11. CHG E e Start Monitor CHARGE 3 x 8 n Terminal 8 5 8 amp JS C When SFR command TORFBLOCK 8 is executed 13 824 MHz m 1 giz frequency will be output TXn Es a 15 E CP3V ia ae id i RXON c Slo JEEE A el gl allel 60 VDQO VBAT S GND D TDI C46 10 C cra CHG DET TDO RSTN us cpav e 2 9 Els 556 Ie BER 3 3 3 2 3 a a 3 2l sss zs ss so VBAT EEXSSDESSRESSERTAASERSSE 5 5855255 A 29282732558 lt F6 SCL 67 55 gt 218 sal cpio nenii GPIO 1 SDA_IIC TRSW n URRY nEsDSET DET Serie ATT ox URXG SED 221021013 ne oe a i vec FER p mm 25 K22u GND glo glo GPIO 4 1 VDD IF STZ STZ 72 GPIO 5 1 VCC IF i C26 107 GND GH 231 5 0 8 f 1 VDD APU L5 T 7 ePio 7 VBAT APU LCD SCL 75 enon XIN 5 76 1 35 Lc5 68 i aor 2 VBAT ND 9 1 DCINS Lco co 5 8NP VBATS CHG_CTRU q 5 8 4 uw 5 5 5 7C saporis Lour Es u 5 54 10 16 HSSPOUTP E STB A 851 GPIO 17 MPWR 25 6 STE 85 100102 ye pa I 7 08 HSMIN 8 nx 5 wlopong ets 18
12. KX TG4732B KX TG4733B KX TG4734B KX TGA470B KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 4 3 KX TG4734B Downloaded from www Manualslib com manuals search engine 90 16 4 4 KX TGA470B P302 A302 P301 Note 1 This pad is a piece of Ref No P301 GIFT BOX Downloaded from www Manualslib com manuals search engine 91 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 5 Replacement Parts List 1 RTL Retention Time Limited Note The RTL marking indicates that its Retention Time is Limited When production is discontinued this item will continue to be available only for a specific period of time This period of time depends on the type of item and the local laws governing parts and product retention At the end of this period the item will no longer be available 2 Important safety notice Components identified by the A mark indicates special characteristics important for safety When replacing any Safety Ref Part No Part Name amp Description Remarks No 14 PQJJ1T039L JACK MODULAR 15 2 2000001 DC 16 122821 CABINET COVER PS HB 17 10132 RUBBER PARTS FOOT CUSHION 18 64432 PLATE 16 5 1 2 Main Board Parts Note 1 When replacing IC611
13. Register HS to be checked to Regular BU Press Talk key of the HS to establish link Compare the range of the HS being checked with that of the Regular HS Note 1 Refer to Commands Handset P 54 2 3 Adjustment Standard Base Unit Refer to Commands Base Unit P 54 55 4 Adjustment Standard Handset 57 Downloaded from www Manualslib com manuals search engine 40 10 1 6 4 TEST RANGE Check Circuit block which range is defective can be found by the following check KX TG4732B KX TG4733B KX TG4734B KX TGA470B Item BU Base Unit Check HS Handset Check TX Power check HS BU setting according to CHART 1 Checked unit Low TX power 1 Link OK TX Power of the BU is OK No Link TX Power of the BU is Range Confirmation TX TEST 1 Register Regular HS to BU to be checked 1 2 Set TX Power of the BU and the Regular HS 2 Regular unit High TX power 1 3 At distance of about 20m between HS and BU 3 Register HS to be checked to Regular BU Set TX Power of the HS and the Regular BU according to CHART 1 At distance of about 20m between HS and BU Link OK TX Power of the HS is OK No Link TX Power of the HS is Checked unit High TX power 1 Link RX Sensitivity of the BU is OK No Link RX Sensitivity of the BU is Register HS to be checked to Regular BU Range Co
14. 501 73 74 29 31 LA74 LA76 SPEAKER SPEAKER DTMF SIGNAL 1C501 28 C184 Q161 Q141 D101 L101 L102 P101 T R TEL LINE TO TEL LINE i CALLER ID L T R TEL LINE L101 P101 L102 C121 C122 R121 R122 IC501 24 25 BELL DETECTION T R TEL LINE L101 P101 L102 8111 8112 C111 C112 Q111 IC501 59 Note L inside of Handset Downloaded from www Manualslib com manuals search engine 22 RF part signal route SIGNAL ROUTE IN HANDSET RF Li TX ROUTE HANDSET RF ANT C801 C803 DA801 C826 IC1 46 47 RX ROUTE 1 1 44 45 L809 C812 DA801 C803 C801 ANT KX TG4732B KX TG4733B KX TG4734B KX TGA470B BASE UNIT RF 1 501 44 45 C812 L809 DA801 C895 DA802 C894 C893 ANT1 ANT2 TX ROUTE BASE UNIT RF 1 2 C894 C893 DA802 C895 DA801 C826 501 46 47 RX ROUTE Note L inside of Handset Downloaded from www Manualslib com manuals search engine 23 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 5 Location of Controls and Components Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 6 Installation Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 Operating Instructions Refer to the Operating Instructions No
15. 508 ECUE1H100DCQ 10p 5 509 ECUE1H120JCQ 12p S C510 ECUV1A105KBV 1 C511 ECJ1VB0G106M 10 5 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 5 2 Handset Safety Ref Part No Part Name amp Description Remarks No 16 5 2 1 Cabinet and Electrical Parts SACRUUGONSU COILS C812 PQLQR4C8N2J COIL S Safety Ref Part No Part Name amp Description Remarks G1CR18J00004 No RESISTOR ARRAYS 101 PNGP1228Z1 PANEL LCD PMMA HB RA2 D1H83314A013 RESISTOR ARRAY S 102 10667 DOUBLE SIDED RA3 D1H83314A013 RESISTOR ARRAY S 103 PNKM1257Z1 CABINET BODY ABS HB RA4 D1H433220001 RESISTOR ARRAY 104 PNGT6432Z NAME PLATE RA5 EXB28V332JX RESISTOR ARRAY 105 L0AD01A00026 RECEIVER IC FILTERS 106 PNYE1065Y SPACER CUSHION LCD L1 1707 0000286 FILTER 107 135471 BUTTON KEY ABS HB L3 JOJDC0000045 IC FILTER 108 11497 KEYBOARD SWITCH L7 1702 0000276 IC FILTER 109 PNJT1027Y CHARGE TERMINAL L L10 JOJCC0000286 IC FILTER 110 PNJT1026Y CHARGE TERMINAL R L75 JO0JCC0000286 IC FILTER 111
16. 913 DC POWER DC 5 5 V Downloaded from www Manualslib com manuals search engine 56 4732 4733 4734 470 12 5 Adjustment Standard Handset When connecting the simulator equipment for checking please refer to below 12 5 1 Component View VOLT METER Oscilloscope Spectrum Analyzer ANT Spectum ayer Connect between ANT Short and ANT Short GND VOLT METER MIC Load OSC DC POWER SUPPLY 1 1 kHz 2 6 V 2 34V T Oscilloscope 21 CKM STM Frequency Counter 1 Send command SFR then the frequency output on this TP Oscilloscope 2 Start Monitor Note 1 is referred to No 2 of Check Check Table for RF part P 40 2 is referred to Power Supply Circuit Reset Circuit P 20 57 Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 12 6 Things to Do after Replacing IC or X tal If repairing or replacing EEPROM and it is necessary to download the required data such as Programming data or adjustment data etc in memory The set doesn t operate if it is not executed 12 6 1 How to download the data 12 6 1 1 Base Unit First operate the PC setting according to The Setting Method of JIG P 51 Then download the appropriate data according to the following procedures Items How to download Required adjustment EEPROM IC
17. DIODES ERDS Carbon ERG Metal Oxide ERS Fusible Resistor D101 PQVDMD5S DIODE SI ERJ Chip ERO Metal Film ERF Cement Resistor D113 DAZJ10100L DIODE SI Wattage D133 DA2J10100L DIODE SI 10 16 1 8W 14 25 1 4W 12 1 2W D142 PQVDPTZT2530 DIODE SI 8 amp Voltage Of Capacitor D362 BOECKM000008 DIODE SI Type DA801 BODDCD000001 DIODE SI DA802 BODDCD000001 DIODE SI ECCD ECKD ECBT F1K ECUV Ceramiq Syro ECQE ECQV ECQG Polyester ECUV PQCUV ECUE Chip ECEA ECST EEE Electlytic on E ECQMS Mica ECQP Polypropylene L809 G1C7N5JA0044 COIL RESISTOR ARRAYS RA151 D1H410220001 RESISTOR ARRAY ECQ Type EGOV T ECSZ Sa NE 501 EXB28V330 RESISTOR ARRAY ype RA502 28 103 RESISTOR ARRAY 6 3V TV 35V RA504 D1H468020001 RESISTOR ARRAY 1A 1 RA651 28 1017 RESISTOR ARRAY 1E 25 25V 2A 100V RA652 EXB28V101JX RESISTOR ARRAY VARISTOR SA101 PQVDDSS301L VARISTOR SURGE S 16 5 1 Base Unit ABSORBER RESISTORS 16 5 1 1 Cabinet and Electrical Parts R111 04810 2104 100k S R112 PQ4R10XJ104 100k S R113 D0GB103JA057 10k Safety Ref Part No Part Name amp Description Remarks R114 D0GB473JA057 47k No R121 ERJ3GEYJ394 390k S 1 PNGP1225Z1 PANEL UPPER PC HB R122 ERJ3GEYJ394 390k 8 2 125621 CABINET BODY PS HB R131 PO4R18XJi06 10 5 3 L0AA02A00087 SPEAKER R133 ERJ3GEYJ334 330 S 4 107292 RUBBER PARTS SPEAKER R136 POGA104JA021 i100k 5 PQHR11313Z GUI
18. P101 T R TEL LINE HANDSET T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171 C178 R178 SP Phone RX 1 1 501 16 44 45 BASE UNIT TX ROUTE ANT i ANT HANDSET RF RX ROUTE 1 29 31 Backside SP BASE MIC C457 C458 RA452 IC501 23 22 28 C184 Q161 Q141 SP Phone TX D101 L101 L102 P101 T R TEL LINE BASE T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171 C178 R178 SP Phone RX IC501 16 29 31 L474 L476 SPEAKER INTERCOM HANDSET MIC R73 74 11 13 RA4 IC1 22 23 HANDSET TO HANDSET RF TX ROUTE ANT BASE UNIT BASE UNIT RF RX ROUTE 501 46 47 29 31 LA74 LA76 SPEAKER INTERCOM MIC C457 C458 RA452 1C501 23 22 44 45 BASE UNIT RF TX ROUTE ANT BASE UNIT ANT HANDSET RF RX ROUTE 1 1 28 27 C16 L8 TO HANDSET HEADSET JACK 5 4 R11 HANDSET SPEAKER RECORDING HANDSET RF TX ROUTE ANT GREETING HANDSET R73 74 11 13 RA4 IC1 22 23 ANT BASE UNIT RF RX ROUTE 501 46 47 73 74 IC601 GREETING PLAY 601 1C501 73 74 28 C184 Q161 Q141 D101 L101 L102 P101 TO TEL LINE T R TEL LINE ICM RECORDING T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171 C178 R178 IC501 16 73 74 IC601 ICM PLAY TO 1 C601 1
19. lt gt Anode 000008 13 3 2 Handset Reverse View 88 67 T 45 44 C2HBCY000081 Cathode Anode 0006 13 3 3 gt Anode 000008 8 Reverse View YR 67 f 1 4 PNWI1TG4731H PNWI2TG4731H PQVDMD5S 23 74 C2HBCY000080 PSVTUMG11NTR Cathode Cathode 7 Anode 7 0000347 BODDCD000001 LNJ237W82RA PNWITGA470BR CODBZYY00357 Cathode Reverse View P Cathode Anode Anode BODDCD000001 0000190 Downloaded from www Manualslib com manuals search engine 65 28C6054JSL B1ABDMO00001 B1ACGP000008 Cathode DA2J10100L PQVDPTZT2530 B1ABGEO00001 1 B1ADCF000040 DRC9113ZO0L 2SC6054JSL KX TG4732B KX TG4733B KX TG4734B KX TGA470B 14 Schematic Diagram 14 1 For Schematic Diagram 14 1 1 Base Unit Schematic Diagram Base Unit Main Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line Important Safety Notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only the manufacture s specified parts 2 The schematic diagrams may be modified at any time with the development of new technology 14 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 s
20. 1 TXON 1 4 1 ist layer ist layer 1 C TXpccce i Pace VBAT ba gt i n 1 5 M e 1 eom eomm 0625 AXON TP tstlayer ist layer 1 GND 1st layer TORF BLOCK A 4 4 GND VBA 5 6 7 TXON 6 1 9 AH 9 lt ANT2 11 WBXO2 10 PARALLEL WIRE R51 680 ANS LED ANS LED 1 Start Monitor SG LED 3 0V R52 680 MSG_LED When SFR command is executed 13 824 2 48 me H 49 13 frequency will be output TRSW p GND 57 ANT_n 1 5a ATST_p 15 TEST LCD_GND 95 5 Sas 1 501 LCD_RST 9 RSTN 5 2 NC LCD CSO 7 VCC_VCO n SD 5a GPIO 27 59 VDDUSB LCD_SCL 50 DM USB GPI28 LCD VDDG R655 __NC DP USB GPI29 KEYIN6 G Si KEYS AQ 65 TAG KEYS 0 5 AG TCK ae G4 JTAG TDI NE 5 pem 65 JTAG _RTCK toe 66 TAG 5 8 JTAG RTCK 13 KEV 12 KEYS EG zzol i XXE EM 2 KEYIN2 i R10 jk is KEYIN3 G QN Renew a KEYS DG 1 LED VDD KEYIN4 KN KEYINS G NCO n SP_LEDG R653 NC SP_LED MICN gt MIN 15 x o a 9 x 1 ebbo Q652 2 el FEEL g 8 9 mee a een 5 5 5 d 56666568665 Se WBX01 10pin x PARALLEL WIRE 9 SS B 2 2 AP1 NC No
21. 5V pin 10 itai 3 0V FLASH aptor RSTN Reset DOUBLER OUT REGULATOR O pin 54 For peripherals STM CKM O pin 57 VDDC 1 2V lcet V 29 EEPROM 7 RFPart Receive Amp ANS LED MSG LED SP LED LCD BLT VBAT 1 VDDC 1 2 V Reset RSTN 501 54 pin Startmonitor 501 57 CKM STM BBIC chip initialize Downloaded from www Manualslib com manuals search engine 12 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 4 4 1 Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits 5 5 5V c al F301 DCP 5 La DCM eV CHARGE 1 e otl ee BA CHARGE e WV Downloaded from www Manualslib com manuals search engine 13 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 4 5 Telephone Line Interface Telephone Line Interface Circuit Function Bell signal detection ON OFF hook and pulse dial circuit Side tone circuit Bell signal detection and OFF HOOK circuit In the idle mode Q141 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 gt R111 C111 gt Q111 BBIC 59 When the CPU BBIC detects a ring signal Q141 turns on thus provi
22. 9 1 How to Clear User Setting Handset Only Handset KX TG4732B KX TG4733B KX TG4734B KX TGA470B Press 2 5 8 0 simultaneously until a beep sound is heard Then single handset is initialized The contents of user setting are reset to factory default Usage time is not cleared Downloaded from www Manualslib com manuals search engine 29 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 Troubleshooting Guide 10 1 Troubleshooting Flowchart FLOW CHART Not working Power ON Base Unit OK Not playback Playback Pre Message OK Not record 1 OK No link No charge Battery Charge OK NG Range No voice Handset Voice Transmission No voice Handset Voice Reception Caller ID Error Caller ID function Cross Reference Check Power P 31 Check Playback P 35 Check Record P 32 Check Battery Charge P 35 Check Link P 36 Check the RF part P 38 Check Handset Transmission P 43 Check Handset Reception P 43 Check Caller ID P 43 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 In this case try to change the Auto disconnect activation time and Vox level How to change the Auto Disconnect activation time and VOX level P 33 item A and B Downloaded from
23. 90 seconds 3 Handset Press OK then wait until a long beep sounds Note e While registering Base in registering is displayed on all registered handsets e When you purchase an additional handset refer to the additional handset s installation manual for registration 10 1 8 Deregistering a Handset A handset can cancel its own registration to the base unit or other handsets registered to the same base unit This allows the handset to end its wireless connection with the system 1 MENU 1 3 1 e All handsets registered to the base unit are displayed 2 Select the handset you want to cancel SELECT 3 4 ves SELECT 4 OFF Downloaded from www Manualslib com manuals search engine 42 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 9 Check Handset Transmission Check MIC of handset Check handset Tx in Signal Route Cross Reference Signal Route P 22 10 1 10 Check Handset Reception Check speaker of handset Check handset Rx in Signal Route Cross Reference Signal Route P 22 Note When checking the RF part Refer to Check the RF part P 38 10 1 11 Check Caller ID BASE UNIT Did bell ring NO Message indicator Telephone Line Interface blinks YES Check bell signal detection in Check Calling Line Identification Caller ID Call Waiting Caller ID Cross R
24. KX TGA470B 3 Specifications E Standard E Bit rate DECT 6 0 Digital Enhanced Cordless 1 152 kbit s Telecommunications 6 0 Bl Modulation E Number of channels 60 Duplex Channels E Frequency range GFSK Gaussian Frequency Shift Keying E RF transmission power 1 92 GHz to 1 93 GHz 115 mW max E Duplex procedure B Voice coding TDMA Time Division Multiple Access ADPCM 32 kbit s E Channel spacing 1 728MHz o Power source AC Adaptor Rechargeable Ni MH battery AC Adaptor PNLV226Z 120 V AC 60 Hz AAA R03 size 1 2 V 550 mAh PNLV226Z 120 V AC 60 Hz Receiving Method Super Heterodyne Super Heterodyne Oscillation Method PLL synthesizer PLL synthesizer Detecting Method Quadrature Discriminator Quadrature Discriminator Tolerance of OSC Frequency 13 824 MHz 100 Hz 13 824 MHz 100 Hz Modulation Method Frequency Modulation Frequency Modulation ID Code 40 bit 40 bit Ringer Equivalence No REN 0 1B Dialing Mode PS Tone DTMF Pulse Redial Up to 48 digits Speed Dialer Up to 32 digits Phonebook Power Consumption Standby Approx 0 9 W 11 days at Standby Standby Approx 0 1 W Maximum Approx 3 8 W 13 hours at Talk Maximum Approx 2 0 W Operating Conditions 0 C 40 32 F 104 F 0 C 40 32 F 104 F 0 C 40 32 F 104 F 20 80 relative air humidity 20 80 relative air humidity 20 80 relative air humid
25. call Function The telephone exchange transmits or receives CAS and ACK signals through each voice RX TX route Then FSK data and MARK data pass the following route Telephone Line P101 L101 L102 gt C121 C122 5 R121 R122 IC501 25 24 If the unit deems that a telephone connected in parallel is in use ACK is not returned even if CAS is received and the information for the second and subsequent callers is not displayed on the portable handset display Call Waiting Format CAS CPE Alerting Signal Dual Tone of 2130 Hz 2750 Hz Continuance Signal 15 dBm 900 ohm load of 1200 Hz Data 4 FSK Signal Flow Telephone Exchange gt Cordlessphone 80 5 ms 0 500 ms 58 75 ms about 300 ms be changed by Information Volume ACK Acknowledged Signal DTMF gt Signal Flow Cordlessphone Telephone Exchange 0 100 ms 60 5 ms R121 C121 101 L1T Telephone FSK R122 C122 L102 LiR Line data P101 Downloaded from www Manualslib com manuals search engine 17 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 5 TY CHARGE Qs VBAT BATTERY CB IE 4V LED LCD Block Diagram Handset VBAT E IC3 1 1 EEPROM MHz WV VBAT lt X o RF part a z e pex MIC 3 Receiver HSSPOUTP pis Headset Jack ICA VBAT HEADSET DET KEY LED BELL LED KEYSTOROBE A E Monitor SP m SPOU
26. ee 18pinTG7731 1 KEYIN2 MSG4 i 1 14 2 1 KEYIN3 o 0 1 KEYS D 9 1 Deep 1 o OF VLED G L J MSG2 i 1 2 NC3O to 0 1 20 12 2 ES 2 rur NC1 8 STOP DOWN LOCAT NT 1 2 1 2 1 2 0 10 o o 02 bd PCB FOR TG773x TG473x CT2 CT1 CARBON TEST G e cr a NC No Components KX TG4732 4733 4734 SCHEMATIC DIAGRAM Base Unit Operation Downloaded from www Manualslib com manuals search engine 70 Downloaded from www Manualslib com manuals search engine 71 KX TG4732B KX TG4733B KX TG4734B KX TGA470B KX TG4732B KX TG4733B KX TG4734B KX TGA470B 14 4 Schematic Diagram Handset Main Charge Current VBAT FA BAT Omme LL s sls eta 3 m sas 819 818 8 3 818 848548 5 1 2 3 3 4 1 GND GND GND T Battery 2l e E CHG_CUR GND When on Charge CP3V C60 RAS i 3 3k 44 en EEP WP EER WP 4224 10 7 SCL EEP SCL ESCL R2 SDA SDA CHG 7 pe TUS IC3
27. file default batch file etc 1 Default batch file Execute the command default bat 2 Default batch file remaining Execute the command TGA470US DEF RevXXX YYY bat 2 3 Country version batch file Execute the command TGA470US US RevXXX YYY bat 2 4 Clock adjustment 5 2 35 V setting and battery low detection Xtal X1 System clock 1 Apply 2 6V between and BATT with DC power 2 Input Command sendchar sfr then you can confirm the current value 3 Check X tal Frequency 13 824 MHz 100 Hz 4 If the frequency is not 13 824 MHz x 100 Hz adjust the frequency of CLK executing the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 13 824000 MHz x 5 Hz Note 2 YYY revision number XXX and YYY vary depending on the country version You can find them in the batch file PNZZ mentioned in The Setting Method of JIG P 51 Downloaded from www Manualslib com manuals search engine 59 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 12 7 Frequency Table Ch hex TX RX Frequency MHz Channel 0 00 1928 448 Channel 1 01 1926 720 Channel 2 02 1924 992 Channel 3 03 1923 264 Channel 4 04 1921 536 Downloaded from www Manualslib com manuals search engine 60 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 13 Miscellaneous 13 1 How to Replace the LLP Lead
28. 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 17 of IC501 There is no parallel connection if the voltage is 0 54 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook When off hook the voltage is monitored at pin 18 of IC501 the presence absence of a parallel connection is determined by detecting the voltage changes If the Auto disconnect function is ON and statuses are Hold receiving ICM OGM transmitting BBIC disconnects the line after detecting parallel connection is off hook Pin 18 of IC501 DCIN2 OL1T Pin 17 of IC501 TEL JACK DCIN1 HOOK Pin 6 of IC501 Downloaded from www Manualslib com manuals search engine 15 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 4 7 Calling Line Identification Caller ID Call Waiting Caller ID Function Caller ID The caller ID is a chargeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company to utilize a caller ID service For this reason the operation of this circuit assumes that a caller ID service contract has been entered for the circuit being used The data for the caller ID from the telephone exchange is sent during the interval between the first and second rings of the bell signal The data from the te
29. or X501 make the adjustment using PNZZTG4741M Refer to How to download the data P 58 of Things to Do after Replacing IC or X tal 2 When replacing the base unit LCD See How to Replace the Base Unit LCD P 48 of these components only use specified manufacture s Safety 2 Part No Part Name amp Description Remarks o parts PNWP1TG4731H MAIN P C BOARD ASS Y 3 The S mark means the part is one of some identical parts RTL For that reason it may be different from the installed part IC302 0 00102 4 SO code Example ABS 94HB of the remarks column TC ERTO shows quality of the material and a flame resisting grade IC601 PNWI2TG4731H IC FLASH about plastics IC611 PNWI1TG4731H IC EEPROM 1 5 RESISTORS amp CAPACITORS TRANSISTORS 111 28C6054JSL TRANSISTOR SI S Unless otherwise specified 2 20 0141 1 000008 TRANSISTOR 51 All resistors are ohms k 1000Q M 1000kQ 9142 BIABDMO00001 TRANSISTOR SI All capacitors are in MICRO FARADS uF p uuF 0161 08 7003800 TRANSISTOR SI amp Wattage of Resistor Q171 28C6054JSL TRANSISTOR 51 S Q651 PSVTUMG11NTR TRANSISTOR SI S Type 0653 28C6054JSL TRANSISTOR SI S ERC Solid ERX Metal Film PQAR Chip
30. sets only Stock both original and new parts Alphabets in the Remarks column in the following lists correspond to the alphabets in the Remarks in REFERENCE CHART ORIGINAL AND NEW PARTS COMPARISON LISTS Downloaded from www Manualslib com manuals search engine 2 Ref No Part No Part Name amp Description Pcs Remarks Notes Time of Change Original Old New Set Suffix Main P C Board Parts Handset C1 EEE0JA221WP CAPACITOR 220uF 0 c 6 V EEE0JA221WP CAPACITOR 220uF 0 c 6 V Cabinet and Electrical Parts Base Unit 18 2 PNGT7048Z NAME PLATE Made in Malaysia 1 f 5 Y Cabinet and Electrical Parts Handset 14 PNGT6775Z NAME PLATE Made in Malaysia 1 f 5 Y Cabinet and Electrical Parts Charger Unit 201 PNGT6776Z NAME PLATE Made in Malaysia 1 f 5 Y KXTG4732B KXTG4733B KXTG4734B KXTGA470B ORDER NO KM41311798SE F13 Manual Telephone Equipment lt Model No KX TG4732B KX TG4733B KX TG4734B KX TGA470B Digital Cordless Answering System B Black Version for U S A Please file and use this supplement manual together with the service manual for Model No KX TG4732B KX TG4733B KX TG4734B KX TGA470B Order No KM41201526CE A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general publ
31. the DTMF data from the handset is received the DTMF signal is output Synthesized Voice Pre recorded message The BBIC implements synthesized Voice utilizing the built in speech detector and a Flash Memory which stored the vocabulary Caller ID demodulation The BBIC 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 the handset or the voice signal from the handset is transmitted to the Telephone line etc They are determined by the signal path route operation of voice signal Block Interface Circuit RF part LED Key scan Speaker Telephone line 4 4 2 Flash Memory 601 Following information data is stored Voice signal ex Pre recorded Greeting message Incoming message 4 4 3 EEPROM 611 Following information data is stored Settings ex message numbers ID code Flash Time Tone Pulse Downloaded from www Manualslib com manuals search engine 11 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 4 4 Power Supply Circuit Reset Circuit The power supply voltage from AC adaptor is converted to VBAT 3 0 in 302 And 3 0V for peripherals and analog part is insulated from VBAT by Doubler of BBIC Circuit Operation VBAT 3 0V 1C302 VBAT 501 Rie IC601 5
32. the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See the figure below Component Component Remove all of the x excess solder Solder Slice View Downloaded from www Manualslib com manuals search engine 4 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 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 you can also use Tin and Copper or Tin Zinc 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 free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 0 3 mm X 100 g 0 6 mm X 100 g 1 0 mm X 100 g lt _ T A C m Ss LS 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 Downloaded from www Manualslib com manuals search engine 5 KX TG4732B KX TG4733B KX TG4734B
33. www Manualslib com manuals search engine 30 Check Power Check Playback Check Record Check Battery Charge Check the RF part Check Handset Transmission Check Handset Reception Check Caller ID 10 1 1 Check Power 10 1 1 1 Base Unit Is the AC Adaptor inserted into AC outlet 1 Is output voltage of AC adaptor 5 5 V S RSTN Reset High Y Y NO E NO Check VDDC 1 2 V Test Point VDDC K NO NO ES Check Xtal CLK 13 824 MHz ES Check BBIC Cross Reference Power Supply Circuit Reset Circuit P 12 10 1 1 2 Handset YES YES Is the voltage of TP 3 0 V about 3 0 V Is the voltage of TP VDDC about 1 2 V YES Does BBIC IC1 86 oscillate at 13 824 MHz YES Check BBIC IC1 Cross Reference Power Supply Circuit Reset Circuit P 20 Downloaded from www Manualslib com manuals search engine NO c 31 KX TG4732B KX TG4733B KX TG4734B KX TGA470B Check AC Adaptor Check Power Supply Circuit Check Reset Circuit Check X501 Note BBIC is IC501 1 Refer to Specifications P 6 for part number and supply voltage of AC adaptor 2 Refer to Circuit Board Base Unit Main P 77 Check the battery and around and BATT are not shorted Check Power Supply Circuit Reset Circuit Check X1 C8 C9 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 2 Check Record 10 1 2 1 Base Unit No
34. 05 Z 12 13 14 os M 15 3 0V 5 P ah 11 O 1u lola 1 601 i TED 16M FLASH IC611 UOT vec Elg 2 1 NC SCL e HAK_CL1 5 601 0 1 SDA v GND NC No Components KX TG4732 4733 4734 SCHEMATIC DIAGRAM Base Unit Main Downloaded from www Manualslib com manuals search engine 69 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 14 3 Schematic Diagram Base Unit Operation eee a in LED R G1 1 aM 1 BT_HS_LED G G ED g NO a 1 ji BT HS LED R G EPO SNC I ME _LED 010 LED902 RED 1 1 LED901 RED e 1 LCD CN901 1 10pin TG4731 LCD GND ap GNDT 1 ano i C901 iu 2 LCD RST OHI va f 7979 i ids wv 3 RSTB LCD CS G 4 4 i 4 csB LCD CD G 4 L2 vss 1 8 gt gt 6 1 LCD_SID 9 1 GND 8737 7 1 LCD 509 1 8 ue scLK ME 19 vpp2 Com mom mmm C902 1u 11 NR CELLI_LED G o S NC a Mi bos LED R G E09 S RC 4 1 NS i CELL2_LED G o D NC 4 1 1 KEYS ERASE UP ANS 1 a 19 o Ho o o 1Opin TG4731 1 1 4
35. 14 1 For Schematic Diagram 66 14 2 Schematic Diagram Base Unit Main 68 14 3 Schematic Diagram Base Unit Operation 70 14 4 Schematic Diagram Handset Main 72 14 5 Schematic Diagram Handset_LED 74 14 6 Schematic Diagram Charger Unit 75 15 Printed Circuit Board 77 15 1 Circuit Board Base Unit_Main 77 15 2 Circuit Board Base Unit Operation 79 15 3 Circuit Board Handset 81 15 4 Circuit Board Handset LED 83 15 5 Circuit Board Charger Unit 84 16 Exploded View and Replacement Parts List 85 Downloaded from www Manualslib com manuals search engine 3 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 Safety Precautions 1 1 For Service Technicians Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires injury or electric shock which can be caused by improper repair work 1 When repair services are provided neither the products nor their parts or members shall be remodeled 2 If a lead wire assembly is supplied as a repair part the lead wire assembly shall be replaced 3 FASTON terminals shall be plugged straight in and unplugged straight out ICs a
36. 611 Adjusted parameter data is stored in memory 1 Change the address 0001 of EEPROM to 55 to download country version batch file default batch file the data etc 2 Default batch file Execute the command default bat 3 Country version batch file Execute the command TG4731US US RevXXX YYY bat 1 4 Clock adjustment X tal X1 System clock Clock adjustment data is in EEPROM adjust the data again after replacing it 1 Apply 5 5V between DCP ad DCM with DC power 2 Input Command sendchar sfr then you can confirm the current value 3 Check X tal Frequency 13 824 MHz x 100 Hz 4 If the frequency is not 13 824 MHz 100 Hz adjust the frequency of CLK executing the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 13 824000 MHz x 15 Hz Note 1 YYY revision number YYY vary depending on the country version You can find them in the batch file PNZZ mentioned in The Setting Method of JIG P 51 Downloaded from www Manualslib com manuals search engine 58 12 6 1 2 Handset KX TG4732B KX TG4733B KX TG4734B KX TGA470B First operate the PC setting according to The Setting Method of JIG P 51 Then download the appropriate data according to the following procedures Items How to download Required adjustment EEPROM Adjusted parameter data is stored in memory country version batch
37. 62 COVER LCD SHEET C123 ECUE1H100DCQ 10p 8 PNHR13862 GUIDE LCD ABS HB C124 ECUE1H100DCQ 10p S P101 D4DAY220A022 THERMISTOR POSISTOR C132 ECUVIH103KBV 0O 01 F301 K5H302Y00003 FUSE C142 ECUV1H103KBV 0 01 X501 H0J138500011 CRYSTAL OSCILLATOR 1 C151 ECUE1H100DCQ 10p 5 1 5 16 5 1 3 Operational Board Parts C161 1 1 1060001 10 C168 ECUV1A225KBV 2 2 S ECUVIHA72KBV 0 0047 Safety pw Part No Part Name amp Description Remarks er ECUVIR22SEBV 022 PCB2 PNWP2TG4731H OPERATIONAL C175 ECUE1H102KBQ 0 001 5 ASS Y RTL C176 PQCUVOJ106KB 10 S LEDS C178 ECUV1C223KBV 0 022 LED901 B3AAB0000347 LED Cte a ECUVTATOSEBV S LED902 B3AAB0000347 LED C186 100 10 8 LED905 LNJ237W82RA LED C321 ECUVIAI10S5KBV 1 LED906 LNJ237W82RA LED C341 229073310025 330 LED907 LNJ237W82RA LED C342 ECUVICIO4KBV 0 1 LED908 LNJ237W82RA LED C343 ECUE1H100DCQ 10p 5 RESISTORS C351 R901 D0GA271JAO015 270 C476 ECUE1H100DCQ 10p 8 R902 DOGA271JA015 270 C477 1000 0 10 8 R903 DOGA271JA015 270 C478 100 10p 8 R904 D0GA271JA015 270 C479 ECUE1H100DCQ 10p 5 CAPACITORS C501 ECUE1A104KBQ 0 1 C901 ECUVICIOBSKBVI C502 ECJ1VB0G106M 10 C902 1 1050001 1 C503 ECJ1VB0G106M 10 5 2903 ECUEOJIOSKBQ I C504 ECUE0J105KBQ 1 C505 ECJ1VB0G106M 10 5 506 ECUV1A105KBV 1 507 ECUV1A225KBV 2 2 5
38. Components Downloaded from www Manualslib com manuals search engine Q UGND 68 4732 4733 4734 470 So E 3 0 Seo Tx a14 REFERENCE E a iL 1XX TEL LINE blo elo 3 o 910 7 e Av 3XX POWER CHARGE 9 o Rx 8 4 4XX MIC SP isis 4 5XX BBIC TOTE F B z 6XX FLASH EEPROM KEY LCD 45 aus a art Je 2 too 9 7XX FOR DK BT Dg 5 S ctesne Nc alafo 5 PORE gray 21 2 my o a N eT aly i Gh CES mur mee EE 5 XTZ 51 2 3 1 27k 100k 5 24 C175 1000p g 2 e C101 680p S Elo ELS Se 8 o7 OTS Te R151 Q142 S 1 D101 1 4 100k 2 xl L101 N gt 1 Qj iL EIS amp Se amp 8l8 4 TOT UN a col lt gt MES a EUR 8751 ajg 2 araf 4 455V SLE 5 680p 2 P101 22 Shy it GREEN eI C184 NC Bou 9 R115 Swe z glx C458
39. D0GA101JA021 100 C518 ECUE1A104KBQ 0 1 R177 DOGA102JA021 1k C519 ECUE1A104KBQ 0 1 R178 DOGA102JA021 1k C520 ECUE1A104KBQ 0 1 R321 ERJ2RKF1400 140 C521 ECUE0J105KBQ 1 R322 ERJ2RKF1000 100 C522 ECUE1H100DCQ 10p 5 R331 ERJ3EKF6802 68k C530 ECUE1H100DCQ 10p 5 R332 ERJ3EKF3302 33k C601 ECUE1A104KBQ 0 1 R371 14 1 00 1 611 ECUE1A104KBQ 0 1 R372 ERJ14 g1R0U 1 C661 ECUE1A104KBQ 0 1 R501 D0GB100JA057 10 C805 1 1 2 74480 2 7 R502 D0GA330JAO015 33 C806 1 1 2 74480 2 7 R505 D0GA2223JA021 2 2k C810 F1G1H2R4A480 2 4p R510 DOGA102JA021 1k C811 ECUE1H100DCQ 10p 5 R605 DOGA332JA015 3 3k C812 1 1 904480 0 9 R606 DOGA332JA015 3 3k C813 F1G1H2R0A480 2 R612 D0GA103JA021 10k C820 F1G1H1R5A480 1 5p R651 D0GA681JA021 680 C822 ECUE1H100DCQ 10p 5 R652 D0GA681JA021 680 C825 ECUE1H100DCQ 10p 5 R654 DOGA222JA021 2 2k C826 ECUE1H100DCQ 10p 5 R806 ERJ2GEJ471 470 S C827 ECUE1H100DCQ 10p 5 R807 ERJ2GEJ471 470 S C859 F1G1H2R2A480 2 2p R891 ERJ2GEJ471 470 5 C863 F1G1H1R5A480 1 5p R892 ERJ2GEJ471 470 5 C891 F1G1H5R0A480 5p CAPACITORS C892 1 1 5 04480 5 C101 F1K2H681A008 680 C893 ECUE1H100DCQ 10p 5 C102 F1K2H681A008 680p C894 ECUE1H100DCQ 10p 5 111 172 473 024 0 047 895 F1G1H1R2A480 1 2p C112 2 473 024 0 047 896 F1G1H2R2A480 2 2p C113 PQCUV1A684KB 0 68 OTHERS C120 ECUE1H102KBQ 0 001 S El L5DYBYY00021 LIQUID CRYSTAL DISPLAY C121 F1K2H681A008 680p 2 C122 F1K2H681A008 680 E2 140
40. DE SPEAKER POM HB Ri4i 500 10474057 1008 6 PNKE1130Z1 CASE CHARGE TERMINAL PS HB Ri42 04818 2272 2 7k 5 7 PNJT1107Z CHARGE TERMINAL R145 D0GA2223A021 2 2k 8 PNBC1404Y3 BUTTON NAVIGATOR KEY ABS HB R151 D0GA104JA021 100k 9 PNHR1585Z GUIDE BUTTON PS HB R152 ERJ2GEJA74X 470 8 10 PNBC1345Z1 BUTTON MESSAGE PMMA HB R160 ERJ3GEYJ911 910 11 PNJK1146Y KEYBOARD SWITCH TAM R161 DOGB1045A0571100k 12 PNLA1047Z ANTENNA SUB R162 D0GB473JA057 147k 13 PNHR1584Z GUIDE JACK PS HB R163 ERJ14YJ120U 12 Downloaded from www Manualslib com manuals search engine 92 KX TG4732B KX TG4733B KX TG4734B KX TGA470B Downloaded from www Manualslib com manuals search engine 93 Safety Ref Part No Part Name amp Description Remarks Safety Ref Part No Part Name amp Description Remarks No No R164 D0GB2723A057 2 7k C512 ECUE1A104KBQ 0O R165 ERJ3GEYJ273 27k S C513 ECUV1A225KBV 2 S R167 D0GG2703A007 27 C514 ECUE1A104KBQ 0 R171 D0GA2203JA021 22 C515 ECUV1A105KBV 1 R172 D0GA104JA021 100k C516 ECUE1A104KBQ 0 1 R175 D0GA561JA021 560 C517 ECUE1A104KBQ 0 1 R176
41. Eeprom 03 F2 04 and the data from address getchk 03 F2 to 03 F5 is read out This command gets 4 byte WW ZZ Please NEVER forget these 4 byte data 2 sendchar epw Write EEPROM Type sendchar epw 03 F2 04 FF FF FF FF 3 sendchar RST Reset baseset Type sendchar RST 4 getchk Read checksum Type getchk 5 sendchar epw Write EEPROM Type sendchar epw 03 F2 04 WW XX YY ZZ WW XX ZZ is 4 byte data that already read from same address wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written bs burst Base unit outputs RF power in burst Type bs burst test mode on antenna 2 tx high Keep TX power high Type tx high tx low Keep TX power low Type tx low 12 2 5 Commands Handset See the table below for frequently used commands Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out readid Read ID RFPI Type readid and the registered ID is read out writeid Write ID Type writeid 00 18 EO OE 98 and the ID 0018 EO OE 98 is written getchk Read checksum Type getchk How to use of 1 rdeeprom Read EEPROM Type RdEeprom 03 7D 04 and the data from address getchk 03 7D to 03 80 is read out NEVER forget the read 4 byte data 2 sendchar epw Write EEPROM Type sendchar
42. IC 1 Place the solder a little on the land where the radiation GND pad on IC bottom is to be attached fines Soldering Iron DS Bo ___ Solder P C Board 2 Place the solder a little on the land where IC pins are to be attached then place the IC Note When placing the IC the positioning should be done very carefully P C Board 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 T dd IC Se 9 rae SO E e Ae Hot Air Desoldering Tool 4 After soldering confirm there are no short and open circuits with visual inspection Downloaded from www Manualslib com manuals search engine 62 4732 4733 4734 470 13 2 How to Replace the Flat Package IC Even if you do not have the special tools for example a spot heater to remove the Flat IC with some solder large amount a soldering iron and a cutter knife you can easily remove the ICs that have more than 100 pins 13 2 1 Preparation PbF Pb free Solder Soldering Iron Tip Temperature of 700 F 20 F 370 C 10 C Note We recommend a 30 to 40 Watt soldering iron An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil Flux Recommended Flux Specific Gravi
43. Manualslib com manuals search engine 94 4732 4733 4734 470 Downloaded from www Manualslib com manuals search engine 95 Safety Ref Part No Part Name amp Description Remarks Safety Ref Part No Part Name amp Description Remarks No No C22 ECUE1A104KBQ 0 1 E106 PQHG10729Z RUBBER PARTS RECEIVER C23 ECUE1A104KBQ 0 1 E107 PNVE1002Z BATTERY TERMINAL ABS HB C24 ECUE0J105KBQ 1 4 K2HD103D0001 JACK C25 ECUV1A225KBV 2 2 S A K5H252Y00002 FUSE C26 ECJIVB0G106M 10 S 1 H0J138500003 CRYSTAL OSCILLATOR 2 S C27 ECUE1H102KBQ 0 001 S C29 14105 1 16 5 2 3 LED Board Parts c30 ECUV1A105KBV 1 C31 ECJ1VB0G106M 10 8 C32 ECUE0J105KBQ 1 Safety Ref Part No Part Name amp Description Remarks C33 ECUE1A104KBQ 0 1 No C34 ECUE1H390JCQ 39p LED C36 ECUE1A104KBQ 0 1 WLED B3AFB0000370 LED C37 ECJ1VB0G106M 10 8 C39 ECUE1H102KBQ 0 001 5 16 5 3 Unit C40 ECUE1A104KBQ 0 1 ECUEIA104KBQ 0 1 16 5 3 1 Cabi
44. No Part Name amp Description Remarks No A104 113271 HANGER BELT CLIP ABS HB A105 PNKL1001Y1 STAND WALL MOUNT ABS HB P101 34820012 BOX P102 15932 CUSHION 16 5 4 3 KX TG4734B Safety Ref Part No Part Name amp Description Remarks No 201 PNLV226Z AC ADAPTOR A202 PQJA10075Z CORD TELEPHONE A203 50922 INSTRUCTIONBOOK 1 A204 113271 HANGER BELT CLIP ABS HB A205 PNKL1001Y1 STAND WALL MOUNT ABS HB P201 34830012 BOX 202 15942 CUSHION 16 5 4 4 KX TGA470B Safety Ref Part No Part Name amp Description Remarks No A301 PNLV226Z AC ADAPTOR A302 50932 INSTRUCTION BOOK 1 A303 113271 HANGER BELT CLIP ABS HB P301 34900012 BOX 302 16482 CUSHION 16 5 5 Screws Safety Ref Part No Part Name amp Description Remarks No A 26 8 5 2 8 TAPPING SCREW 16 5 6 Fixtures and Tools Note 1 See Equipment Required P 51 and The Setting Method of JIG P 51 2 When replacing the Handset LCD See How to Replace the Handset LCD P 50 Safety Ref Part No Part Name amp Description Remarks No PQZZ1CD300E JIG CABLE 1 PNZZTG4741M BATCH FILE CD ROM 1 PQZZ430PIR TIP OF SOLDERING IRON 2 PQZZ430PRB RUBBER OF SOLDERING IRON 2 Downloaded from www Manualslib com manuals search engine
45. ORDER NO KM41201526CE F13 Service Manual Telephone Equipment Model No 54732 0 6 KX TG4733B KX TG4734B KX TGA470B Digital Cordless Answering System B Black Version for U S A KX TGA470B KX TG4731B Handset Base Unit Charger Unit Configuration for each model Model No Base Unit Handset Charger Unit Expandable KX TG4732 1 TG4731 2 TGA470 1 Up to 6 KX TG4733 1 704731 3 TGA470 2 Up to 6 KX TG4734 1 704731 4 TGA470 3 Up to 6 KX TGA470 1 TGA470 1 KX TGA470 is also an optional accessory which contains a handset and a charger Panasonic System Networks Co Ltd 2012 g Unauthorized copying and distribution is a violation anasonic is Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death IMPORTANT SAFETY NOTICE There are
46. R OO O00 until the frequency counter becomes13 824 MHz 55HZ Downloaded from www Manualslib com manuals search engine 37 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 6 Check the RF part 10 1 6 1 Finding out the Defective part 1 Prepare Regular HS 1 and Regular BU 2 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 Re register handset to be checked to regular BU Normal mode If this operation fails in some ways the handset is defective After All the Checkings or Repairing 1 Re register the checked handset to the checked base unit and Regular HS to Regular BU START Registration of Regular HS to base unit Registration of handset to Regular BU No gt Handset is defective Base unit is defective other checkings Registration of Regular HS to Regular BU Registration of handset to base unit checked ones Note 1 HS Handset 2 BU Base Unit Downloaded from www Manualslib com manuals search engine 38 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 6 2 RF Check Flowchart Each item 1 5 of RF Check Flowchart corresponds to Check Table for RF part P 40 Please refer to the each item Link confirmation Normal Control signal confirmation Check BBIC interface parts RF Block lt gt BBIC on BU HS
47. RENCE CHART Reason for Change The following items 1 8 indicate the reason for change See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS 1 Improve performance Remarks Change of material or dimension m Discontinued To be replaced with a new part To meet approved specification Standardization Addition Deletion Correction Other Co N O1 BY PO Interchangeability Code The following items V Z indicate the Interchangeability See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS V Original gt lt Early before change Original or new parts may be used in early or late production sets New Late after change Use original parts until exhausted then stock new parts Original Early before change Original parts may be used in early production sets only New parts may be used in New Late after change early or late production sets Use original parts where possible then stock new parts x Original Early before change New parts only may be used in early or late production sets New Late after change Stock new parts Y Original Early before change Original parts may be used in early production sets only New parts may be used in New Late after change late production sets only Stock both original and new parts Note Alphabets in the Remarks colu
48. ST 1 1 REFERENCE CHART Reason for C hange The following items 1 8 indicate the reason for change See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS 1 Improve performance Change of material or dimension To meet approved specification Standardization Addition Deletion Correction Co N O1 BY PO Other Remarks c To share the parts with other models f To change an indication of a Name Plate Interchangea bility Code The following items V Z indicate the Interchangeability See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS V Original gt lt Early before change Original or new parts may be used in early or late production sets New Late after change Use original parts until exhausted then stock new parts Original New aie Late before change after change Original parts may be used in early production sets only New parts may be used in early or late production sets Use original parts where possible then stock new parts x Original Early before change New parts only may be used in early or late production sets New Late after change Stock new parts Original New Note 1 2 Early Late before change after change Original parts may be used in early production sets only New parts may be used in late production
49. Set Addr Default Data gu GN Set Adar New Data pug G3 Set Addr KX TG4732B KX TG4733B KX TG4734B KX TGA470B Frequently Used Items Base Unit ex Items Address Default Data New Data Remarks Frequency 00 07 00 08 00 01 Use these items in a READ ONLY mode to ID 00 02 0006 Given value confirm the contents Careless rewriting may cause serious damage to the computer system Note 1 When you enter the address or New Data please refer to the table below Desired Number hex Input Keys Desired Number hex Input Keys 0 0 Flash 0 1 1 Flash 1 Flash 2 Flash 3 Flash 4 mm oo 2 Flash 5 Downloaded from www Manualslib com manuals search engine 26 8 1 2 Handset Important Make sure the address on LCD is correct when entering new data Otherwise you may ruin the unit Downloaded from www Manualslib com manuals search engine Soft keys Navigator key Coja Volume aaa X Dial keypad H S key operation Press mmm Select Initial Setting using A or v then press or gt Enter 2 6 2 7 6 4 Note 7262 7664 SONI see letters printed on dial keys Select Write EEP using 4 or v then press or gt Enter o o Address 1 E
50. TP i Pe spoutn CKM STM CKM STM g LCD KEYS KX TGA470 BLOCK DIAGRAM Handset Downloaded from www Manualslib com manuals search engine 18 CHARGE PUMP KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 6 Block Diagram Handset RF Part TXp TXn ANT RXp RXn KX TGA470 BLOCK DIAGRAM Handset RF Part Downloaded from www Manualslib com manuals search engine 19 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 7 Circuit Operation Handset 4 7 1 Outline Handset consists of the following ICs as shown in Block Diagram Handset P 18 DECT BBIC Base Band IC IC1 All data signals forming analyzing ACK or CMD signal All interfaces ex Key Detector Circuit Charge EEPROM LCD EEPROM IC3 Setting data is stored e g ID user setting 4 7 2 Power Supply Circuit Reset Circuit Circuit Operation When power on the Handset the voltage is as follows BATTERY 2 2 V 2 6 V BATT F1 BBC1 10 pin The Reset signal generates IC1 54 pin and 1 8 V VBAT VDDC 1 2 V Reset RSTN 54 Startmonitor IC1 57pin CKM STM e BBIC chip initialize 3 0V BATTERY i 2CELL GND EEPROM VDDC 1 2V DOUBLER OUT Charge Pump For all peripherals External Charge Pump Circuit or IC 4 0 output x BELL KEY LED LCD BACKLIT LED GND GND Downloaded fr
51. TQODCYV TU 4 You can download and refer to the Operating C802 F1G1H2R0A480 2 instant insinictiamdiadk ISNS C803 FIGIHIR3A480 l 3p nstructions Instruction book on erver C804 F1G1H1R8A480 1 8p SEDE CUFISIEZRIRARG 16 5 4 1 KX TG4732B C806 F1G1H2R4A480 2 4p C810 F1G1H2R5A480 2 5p Safety Ref Part No Part Name amp Description Remarks C811 ECUE1H101JCQ 100p 8 cat 6 480 1 6 A1 PNLV226Z AC ADAPTOR ae 6 2 100757 CORD TELEPHONE c ECUE1H100DC 8 55 15105 9 is A3 PNQX5092Z INSTRUCTIONBOOK 1 C825 ECUE1H100DC 8 9 10p A4 113271 HANGER BELT CLIP ABS HB 826 ECUE1H100DCQ 10p 8 353 igi A5 PNKL1001Y1 STAND WALL MOUNT ABS HB E FIGIHIRGAS80 148p P1 PNPK3481001Z GIFT BOX C897 F1G1H240A557 24 2 PNPD1592Z CUSHION L809 F1G1H1R0A480 1 ide 1 4 2 KX TG4733B 100 LOCBAY000053 MICROPHONE 6 5 4 2 G4733 E101 L5DYBYY00043 LIQUID CRYSTAL DISPLAY 3 E102 PNHX1569Z COVER DIFFUSION SHEET Safety Part No Part Name amp Description Remarks E103 PNHX1518Z COVER LCD SHEET x ATOT PHLVISEZ EC ADAPTOR E104 PNHR1587Z TRANSPARENT PLATE LCD PMMA HB A102 PQJA10075Z CORD TELEPHONE E105 PNHR1586Z GUIDE LCD ABS HB A103 PNQX5092Z INSTRUCTION BOOK 1 KX TG4732B KX TG4733B KX TG4734B KX TGA470B Safety Ref Part
52. View and Replacement Parts List 16 1 Cabinet and Electrical Parts Base Unit Ref No Figure mm 2 6 x 8mm Note 1 This cable is fixed by welding Refer to How to Replace the Base Unit LCD P 48 Downloaded from www Manualslib com manuals search engine 85 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 2 Cabinet and Electrical Parts Handset CUSHION RUBBER STICK IT WITHIN THE FRAMEWORK ON P C B 56 012933 01 PCB100 IE Put it in the center Note 1 This cable is fixed by welding Refer to How to Replace the Handset LCD P 50 2 The rechargeable Ni MH battery HHR 4DPA is available through sales route of Panasonic 3 Attach the SPACER No 121 to the exact location described above Downloaded from www Manualslib com manuals search engine 86 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 3 Cabinet and Electrical Parts Charger Unit 200 9 2x 8mm Downloaded from www Manualslib com manuals search engine 87 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 16 4 Accessories and Packing Materials 16 4 1 KX TG4732B Downloaded from www Manualslib com manuals search engine 88 16 4 2 KX TG4733B A105 A104 1 This pad is a piece of Ref No P101 GIFT BOX Downloaded from www Manualslib com manuals search engine 89
53. al interval tolerance is more than 0 2 mm 50 4732 4733 4734 470 12 Measurements and Adjustments This chapter explains the measuring equipment the JIG connection and the PC setting method necessary for the measurement in Troubleshooting Guide P 30 12 1 Equipment Required Digital multi meter DMM it must be able to measure voltage and current Oscilloscope Frequency counter It must be precise enough to measure intervals of 1 Hz precision 4 ppm Hewlett Packard 53131A is recommended DECT tester Rohde amp Schwarz CMD 60 is recommended This equipment may be useful in order to precisely adjust like a mass production 12 2 The Setting Method of JIG Preparation Note Serial JIG cable PQZZ1CD300E If you have the JIG Cable for TCD500 series PC which runs in DOS mode PQZZ1CD505E change 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 Batch file CD ROM for setting PNZZTG4741M Cable Resistor Old value kQ New value kQ R2 22 3 3 R3 22 3 3 R4 22 4 7 R7 4 7 10 12 2 1 Connections Base Unit D Connect the AC adaptor Connect the JIG Cable GND black Connect the JIG Cable RX red and TX yellow JIG Cable 3 UTX yellow 3 URX red GND black To Serial Port Hc COM port 1
54. arning 4 16 3 Cabinet and Electrical Parts Charger Unit 87 2 1 Battery Caution 4 16 4 Accessories and Packing Materials 88 2 2 About Lead Free Solder Pb free 4 16 5 Replacement Parts List 92 2 3 Discarding of P C Board 5 3 Specifications 6 4 Technical Descriptions 7 4 1 US DECT Description 7 4 2 Block Diagram Base Unit_Main 9 4 3 Block Diagram Base Unit RF Part 10 4 4 Circuit Operation Base Unit 11 4 5 Block Diagram Handset 18 4 6 Block Diagram Handset RF Part 19 4 7 Circuit Operation Handset 20 4 8 Circuit Operation Charger Unit 21 4 9 Signal Route 22 5 Location of Controls and Components 24 6 Installation Instructions 24 7 Operating Instructions 24 8 Test Mode 25 8 1 Engineering Mode
55. by Handset 2 Link Handset 3 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 request from the base unit Base unit doesn t send Dummy bearer in no free RF channels because of interference 1 Note 1 It is a feature under FCC 15 regulation and for interference avoidance In the case of checking RF parts it is better in least interference condition Downloaded from www Manualslib com manuals search engine 7 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 1 3 Signal Flowchart the Radio Parts Reception Base unit A voice signal from TEL line is encoded to digital data and converted into a 1 9GHz modulated radio signal by BBIC IC501 The RF signal after which is amplified in BBIC is fed to selected antenna Handset As for a handset RF RF signal is received in one antenna BBIC down converts to 864 kHz IF signal from RX signal and demodulates it to digital data RXDATA BBIC IC1 converts RXDATA into a voice signal and outputs it to speaker Transmission Base unit A voice signal from microphone is encoded to digital data and converted into a 1 9GHz modulated radio signal by BBIC IC1 The RF sig
56. chematic diagrams may be modified at any time with the development of new technology 14 1 3 Charger Unit Schematic Diagram Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line Important Safety Notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only the manufacture s specified parts 2 The schematic diagrams may be modified at any time with the development of new technology 66 Downloaded from www Manualslib com manuals search engine Downloaded from www Manualslib com manuals search engine 67 KX TG4732B KX TG4733B KX TG4734B KX TGA470B KX TG4732B KX TG4733B KX TG4734B KX TGA470B 14 2 Schematic Diagram Base Unit Main W 0 2mm L mm 1st layer L20mm 3rd layer L809 TY ANT1 11897 lt RXON 470 1 Blo EIS 2 MIN MIP C RXn 2 MIN RXp TXp 7 5n jj 4 TXn W 0 15mm 1 4 L 20mm C 3 3 L 10mm L mm 8rd layer
57. ding an off hook condition active DC current flow through the circuit Following signal flow is the DC current flow T L101 gt D101 gt 0141 gt 0161 R163 R167 gt D101 2 L102 5 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 hook condition Pulse Dial Circuit Pin 6 of BBIC turns Q141 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 Q161 is canceled by the canceller circuit of BBIC 3 0V m Q141 N 47 1 R175 R172 iE LE Rx R178 178 E C101 Pin 16 of IC501 gi ors P D101 L101 R177 9 3 2 E 2 Vili e ir V oT 5 amp C102 L102 P101 o LIR WY TEL JACK Hook 22 Pin 6 of IC501 R181 C184 3 0V R111 Pin 28 of IC501 5 95 BELL Pin 59 of IC501 C112 R112 Downloaded from www Manualslib com manuals search engine 14 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 4 6 Parallel Connection Detect Circuit Auto Disconnect Circuit Function In order to disable call waiting and stutter tone functions when using telephones connected in parallel it is necessary to have a circuit that judges whether a telephone connected in parallel is in use or not This circuit determines whether the telephone connected
58. e Power Supply Circuit Reset Circuit P 12 Check the RF part P 38 Note 1 How to adjust 3 0V Execute the command VDA Refer to Things to Do after Replacing IC or X tal P 58 for Base Unit 2 How to adjust the frequency of X501 To see the frequency execute the command SFR then check the IC501 57pin To adjust frequency send command SFR _ OO until the frequency counter becomes13 824 MHZ 55HZ Downloaded from www Manualslib com manuals search engine 36 4732 4733 4734 470 10 1 5 2 Handset Does Handset make link with Base Unit Handset is OK Check Base Unit Correct working unit Is the voltage of TP VBAT about 2 2 2 8 V Check the batteries Is the voltage of TP VDDC about 1 2 V Check around Power Supply Circuit Reset Circuit Is the voltage of TP 3 0 V about 3 0 V Adjust 3 0V Vottage to 30 7 YES Does the RF clock CLK oscillate 13 824 MHz Check around X1 and RF module and adjust in Handset Test Mode clock frequency 2 YES Check the RF part Cross Reference Power Supply Circuit Reset Circuit P 20 Check the RF part P 38 Note 1 How to adjust 3 0V Execute the command VDA Refer to Things to Do after Replacing IC or X tal P 59 for Handset 2 How to adjust the frequency of X1 To see the frequency execute the command SFR then check the IC1 57pin To adjust frequency send command SF
59. eference Telephone Line Interface P 14 Calling Line Identification Caller ID Call Waiting Caller ID P 16 Note Make sure the format of the Caller ID service of the Telephone company that the customer subscribes to e Itis also recommended to confirm that the customer is really a subscriber of the service Downloaded from www Manualslib com manuals search engine 43 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 11 Disassembly and Assembly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit CD 4 screws Remove the 4 screws to remove the cabinet cover 9 Qo Remove the solders 2 Solders 3 Remove the screw and pararell wire to remove the main P C board 3 Pararell wire Main P C board 44 Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 2 screws 4 Remove the 2 screws to remove the Jack holder m AS i 2 Ee x o 9 Av 2 4 22 5 Remove the 2 screws to remove Nm v 5 2 screws Operational P C B board the operational P C B board 45 Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 11 1 2 Handset 1 2 screws m Remove the 2 screws 2 Inse
60. epw 03 7D 04 FF FF FF FF 3 sendchar RST Reset baseset Type sendchar RST 4 getchk Read checksum Type getchk 5 sendchar Write EEPROM Type sendchar epw 03 7D 04 WW XX YY ZZ WW XX ZZ is 4 byte data that already read from same address weeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written hs burst Handset outputs RF power in burst Type hs burst test mode tx high Keep TX power high Type tx high tx low Keep TX power low Type tx low Downloaded from www Manualslib com manuals search engine 54 4732 4733 4734 470 12 3 Adjustment Standard Base Unit When connecting the simulator equipment for checking please refer to below 12 3 1 Bottom View Oscilloscope Volt Meter Oscilloscope 2 Start Monitor Frequency Counter 1 Send command SFR then the frequency output on this TP STM CKM P15 Spectrum Analyzer Note 1 is referred to No 2 of Check Check Table for RF part P 40 2 is referred to Power Supply Circuit Reset Circuit P 12 Downloaded from www Manualslib com manuals search engine 55 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 12 4 Adjustment Standard Charger Unit When connecting the simulator equipment for checking please refer to below 12 4 1 Bottom View Digital Volt Meter 01 2180
61. ey E ee X COM port number used for the serial connection on your PC d D PNZZTG gt SET_COM X D PNZZTG gt READID 6 Type READID then press the Enter key 00 52 4F A8 A8 If any error messages appear change the port number or D PNZZTG s DOSKEY check the cable connection D YPNZZTG If any value appear go to next step 7 Type then press the Enter key Example error happens Documents and Settings D D gt CD PNZZTG D PNZZTG gt SET_COM X D PNZZTG gt READID CreateFile error ERROR 10 Can t open serial port D PNZZTG gt Note varies depending on the country or models Downloaded from www Manualslib com manuals search engine 53 4732 4733 4734 470 12 2 4 Commands Base Unit See the table below for frequently used commands Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out readid Read ID RFPI Type readid and the registered ID is read out writeid Write ID Type writeid 00 18 EO OE 98 and the ID 0018 EO OE 98 is written hookoff Off hook mode on Base Type hookoff hookon On hook mode on Base Type hookon getchk Read checksum Type getchk How to use of 1 rdeeprom Read EEPROM Type Rd
62. f 5 ZER 5 565655 aS To To 27 pet 888 298 _S82828S 08 3 8 Ss ooo 50 55555 2 2 sls 5555555052545454545 8 3 8 UTX TIT BEGEEE _ _ DA STB E 8 9 CP OFF BELL LED RIGHT DOWN uP TALK OFF KEY LED GND z E 1999599 ns 2 FLASH AST 7 4 1 amp 10 o o o o CF s zm 2 2 2 KIN 4 poco Z ms 84 50 sP 7 8 5 2 FLASH 1 8V ROM 1 2V o els o OF FO KIN 3 gire LEFT SHARP 3 6 3 8 Sats o eo i eo eo o 2 9 8 cuc cur SOFT B SOFT C SOFT A VOL DW VOL UP a ate mie Z 1 REI ote 909 egte KINA 1 2V ind hi sts 11 12 lt ES o oj g g g g g 5 io io 5 amp Ej al E CPAV i CP3V z m LCD BACKLIGHT BELL LED White LCD BACKLIGHT KEY BACKLIGHT AMBER AMBER 2 NC 7 5 Y 5 4 CN3 C ao C SNO cs GND OTP amp 2 CN3 RST GND GND 100p NC No Components Downloaded from www Manualslib com manuals search engine 72 N3 C von L efena 7 sc 6026 lt C 50 B W LCD Unit 4732 4733 4734 470 RF BLOCK ANT Short GND ANT Short 8807 RXON
63. f Soldering Iron NG Part No PQZZ430PIR Vertical interval tolerance is more than 0 2 mm Rubber of Soldering Iron Part No PQZZ430PRB NG Horizontal interval tolerance is more than 0 2 mm Downloaded from www Manualslib com manuals search engine 48 Attach the LCD and fix by hook A two points Downloaded from www Manualslib com manuals search engine 49 KX TG4732B KX TG4733B KX TG4734B KX TGA470B KX TG4732B KX TG4733B KX TG4734B KX TGA470B 11 3 How to Replace the Handset LCD Note The illustrations are simplified in this page They may differ from the actual product D P C board s Peel off the FFC Flexible Flat Cable from the LCD in the direction of the arrow Take care to ensure that the foil on the P C board is not damaged New LCD Fit the heatseal of a new LCD iron about 5 to 8 seconds in case of 60W soldering iron Downloaded from www Manualslib com manuals search engine Tip of Soldering Iron Part No PQZZ430PIR Rubber of Soldering Iron Part No PQZZ430PRB Heatweld with the tip of the soldering Vertical Interval Tolerance 0 2 mm Horizontal Interval 0 2 mm Tolerance If interval tolerance between center lines is less than 0 2 mm it is o k OK NG Inclined NG Vertical interval tolerance is more than 0 2 mm NG Horizont
64. ic It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Panasonic System Networks Co Ltd 2013 m P n ni Unauthorized copying and distribution is a violation of law Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 REPLACEMENT PARTS LIST 1 1 REFERENCE CHART Reason for Change The following items 1 8 indicate the reason for change See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS 1 Improve performance Remarks Change of material or dimension j To meet the standards To meet approved specification Standardization Addition Deletion Correction Other Co N O1 BY PO Interchangeability Code The following items V Z indicate the Interchangeability See the Notes colum
65. ine 2 ORDER NO KM41401306SE F13 Service Manual Telephone Equipment Model No KX TG4732B e KX TG4733B p KX TG4734B KX TGA470B Digital Cordless Answering System B Black Version for U S A Please file and use this supplement manual together with the service manual and the supplement 1 for Model No KX TG4732B KX TG4733B KX TG4734B KX TGA470B Order No KM41201526CE and KM41309642SE A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Panasonic System Networks Co Ltd 2014 P n ni Unauthorized copying and distribution is a violation of law Downloaded from www Manualslib com manuals search engine KX TG4732B KX TG4733B KX TG4734B KX TGA470B 1 REPLACEMENT PARTS LIST 1 1 REFE
66. ity dry dry dry Dimensions W x D x H Approx 150 mm x 117 mm x 67 mm Approx 54 mmx 34 mmx 174 mm Approx 73 mm x 76 mm x 43 mm Mass Weight Approx 210 g Approx 150 g Approx 50 g Note Design and specifications are subject to change without notice Note for Service Operation range Up to 300 m outdoors Up to 50 m indoors depending on the condition Analog telephone connection Telephone Line Optional headset KX TCA60 KX TCA93 KX TCA400 KX TCA430 Optional Range extender KX TGA405 Downloaded from www Manualslib com manuals search engine 6 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 Technical Descriptions 4 1 US DECT Description The frequency range of 1 92 GHz 1 93 GHz is used Transmitting and receiving carrier between base unit and handset is same frequency Refer to Frequency Table P 60 4 1 1 TDD Frame Format 5 ms 5ms Up Link Handset gt Base Unit Down Link Base Unit gt Handset a me ee x x oe xe gt DATA rate 1 152 Mbps 417 us available 417 us blind 4 1 2 TDMA system This system is the cycles of 10 ms and has 6 duplex paths but maximum duplex communication path is 5 because of dummy bearer use In 1 slot 417 us the 10 ms of voice data is transmitted 2 Handsets Link Traffic Bearer Dummy bearer 7X Base unit Xi o pexapeoss exe rar Ne a xa HSL TG Handset 1 Stand
67. lephone exchange is a modem signal which is modulated in an FSK Frequency Shift Keying format Data 1 is a 1200 Hz sine wave and data 0 is 2200 Hz sine wave There are two types of the message format which can be received i e the single message format and plural message format The plural message format allows to transmit the name and data code information in addition to the time and telephone number data Also the telephone exchange service provides other formats e Single message format 1st Ring 2nd Ring 2 sec Silent interval 4 sec 2 sec 0 55 575ms min 0 5 s DATA STD Ring 20 Hz Tip Ring 0 1 Vrms mm E 1200 Hz 2200 Hz DATA 1 DATA 0 DATA out 1 us minute number 2013487000 e Plural message format 1st Ring 718 ms 2 sec 2nd Ring DATACODE NAME month day hour minute number 201 John Smith 04 16 16 35 2013487000 Downloaded from www Manualslib com manuals search engine 16 4732 4733 4734 470 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 the new
68. less Leadframe Package IC Note This description is only applied on the model with Shield case 13 1 1 Preparation PbF Pb free Solder Soldering Iron Tip Temperature of 700 F 20 F 370 10 C Note We recommend a 30 to 40 Watt soldering iron An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil Hot Air Desoldering Tool Temperature 608 F 68 F 320 20 C 13 1 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 13 1 3 How to Remove the IC 1 Heat the IC with a hot air desoldering tool through the P C Board d IC Sx Gags P C Board Qe Hot Air Desoldering Tool 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 Tweezers etc P C Board 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 Board Hot Air Desoldering Tools Se 3 After removing the IC clean the P C Board of residual solder Downloaded from www Manualslib com manuals search engine 61 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 13 1 4 How to Install the
69. lug in the AC Power source Charge Handset on Base Unit Is the voltage of two charge contacts about Check Charge Circuit of Base Unit 3 V or more OK Check Handset Check Charge Contacts at Base Unit from mechanical point of view Cross Reference Charge Circuit P 13 10 1 4 2 Handset NO Is Check Power OK Check Power of Handset YES NO Is BBIC IC1 34 high at charge state Check Charge Circuit Cross Reference Check Power P 31 Charge Circuit P 21 10 1 4 3 Charger Unit Plug in the AC Power source Charge Handset on Charger Unit Is the voltage of two charge contacts about Check Charge Circuit of Charger Unit 3 V or more OK Check Handset Check Charge Contacts at Charger Unit from mechanical point of view Cross Reference Charge Circuit P 21 Downloaded from www Manualslib com manuals search engine 35 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 5 CheckLink 10 1 5 1 Base Unit Does Base Unit make link with normal working Basa Unitis OK Check Handset Handset Is the voltage of VBAT about 3 0 V Is the voltage of VDDC about 1 2 V YES Is the voltage of 3 0V about 3 0 V Adjust 3 0V voltage to 3 0 1 YES Check around Power Supply Circuit Does the RF clock CLK oscillate at 13 824 MHz in Check around X501 and RF module and adjust Base Unit Test Mode clock frequency 2 YES Check the RF part Cross Referenc
70. mn in the following lists correspond to the alphabets in the Remarks in REFERENCE CHART 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS Ref No Part No Part Name amp Description Pcs Remarks Notes Time of Change Original Old New Set Suffix Cabinet and Electrical Parts Base Unit 18 PNGT7048Z PNGT7739Z NAME PLATE Made in Malaysia 1 m 8 lv 18 PNGT6443Z PNGT7738Z NAME PLATE Made in Chaina 1 m 8 KM KXTG4732B KXTG4733B KXTG4734B KXTGA470B Downloaded from www Manualslib com manuals search engine 2
71. n for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS V Original gt lt Early before change Original or new parts may be used in early or late production sets New Late after change Use original parts until exhausted then stock new parts Original Early before change Original parts may be used in early production sets only New parts may be used in New Late after change early or late production sets Use original parts where possible then stock new parts x Original Early before change New parts only may be used in early or late production sets New Late after change Stock new parts Y Original Early before change Original parts may be used in early production sets only New parts may be used in New Late after change late production sets only Stock both original and new parts Note Alphabets in the Remarks column in the following lists correspond to the alphabets in the Remarks in REFERENCE CHART 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS Ref No Part No Part Name amp Description Pcs Remarks Notes Time of Change Original Old New Set Suffix Cabinet and Electrical Parts Handset 104 PNGT6775Z PNGT7242Z NAME PLATE Made in Malaysia 1 j 4 Y 104 PNGT6432Z PNGT7243Z NAME PLATE Made in Chaina 1 j 4 Y KXTG4732B KXTG4733B KXTG4734B KXTGA470B Downloaded from www Manualslib com manuals search eng
72. nal after which is amplified in BBIC is fed to an antenna Handset As for a base unit RF RF signal is received in two antennas BBIC 1C501 compares RF signal levels and selects the antenna to be used Then BBIC down converts to 864 kHz IF signal from RX signal in the selected antenna and demodulates it to digital data RXDATA BBIC 501 converts RXDATA into a voice signal and outputs it to TEL line Downloaded from www Manualslib com manuals search engine 8 KX TG4732B KX TG4733B KX TG4734B KX TGA470B in t Ma Block Diagram Base Un 4 2 yun eseg WWHOVIG 49018 v ZV EEZv C LVO L0 SDYVHO Mover od woa eT 193130 2070 10 70 2 AOE 1 1 ADE 1 2 193130 nag 0 130 13d 39uvHO OO 99 34 Jl 09 LYSA Vd2O 1V8A NIINSH dlINSH TI38 3AI303H 9 920 wove TAL Pues 193130 o bd ASNNI ATH z 193130 linoulo ASNNI 3NOL ZSLH LSLH 1910 NIOd z NISA MOOH NIT 11001 1 DSW SNY dS AHOIN3IN AYOWAN WOud33 HSV14 921 0921 WAO NLS NLNOdS dinOdS 159 108 so
73. nd 615 are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover plastic 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 2 Warning 2 1 Battery Caution Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the instructions Attention A nickel metal hydride battery that is recyclable powers the product you have purchased Please call 1 800 8 BATTERY 1 800 822 8837 for information on how to recycle this battery 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 contains lead We will use PbF solder when discussing the lead free solder used 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 Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C higher than Pb solder Please use soldering iron with temperature control and adjust it to 700 F 20 F 370 10 C Exercise care while using higher temperature soldering irons Do not heat
74. ndset LCD P 50 R66 DOGAI03JAO21 io0k R67 D0GA103JA021 10k R68 D0GA103JA021 10k Safety 2 Part No Part Name amp Description Remarks R69 POGAI03JA02i iok PCB100 PNWPITGA470R MAIN P C BOARD ASS Y RID DDGA370JA021 437 RTL 1 R73 D0GA330JA015 33 ICs R74 DOGA330JA015 33 C2HBCYOO0081 IC R80 D0GA101JA021 100 IC3 PNWITGA470BR EEPROM 2 R806 ERJ2GEJ471 470 5 ICA CODBZYY00357 riC R807 ERJ2GEJ471 470 5 TRANSISTORS L8 ERJ2GEJ100 10 S Q2 B1ADCF000040 TRANSISTOR SI 19 ERJ2GEOROO 0 5 Q3 BlABGE000011 TRANSISTOR SI CAPACITORS Q4 B1ADCF000040 TRANSISTOR SI c1 EEE0JA221WP 220 Q5 DRC9113Z0L TRANSISTOR SI c2 EEE0JA221WP 220 Q6 DRC9113Z0L TRANSISTOR 81 c3 EEE0JA221WP 220 Q9 28C6054JSL TRANSISTOR SI S c4 ECUE1H390JCQ 39 DIODES c5 ECUE1A104KBQ 0 1 D13 BOBC4R3A0006 DIODE SI c6 ECUE1A104KBQ 0 1 D14 BOBC4R3A0006 DIODE SI c9 ECUE1H390JCQ 39p D21 BOBC4R3A0006 DIODE 51 c10 ECUE1H390JCQ 39p D22 BOBC4R3A0006 DIODE SI c11 1 104 0 1 DA801 000001 DIODE SI c12 PQCUV0J106KB 10 5 LEDS C13 14104 0 0 1 LED1 B3ACB0000190 C14 ECUV1C393KBV 0 039 LED2 B3ACB0000190 LED C15 ECUE1H390JCQ 39p LED3 B3ACB0000190 LED C16 F1J0J2260002 22 LED4 B3ACB0000190 LED C17 ECUE1H100DCQ 10 5 LED5 B3ACB0000190 LED C18 ECUE1H100DCQ 10p S LED6 B3ACB0000190 LED 20 ECJ1VB0G106M 10 5 LED11 B3ACB0000190 LED C21 ECUE0J105KBQ 1 Downloaded from www
75. net and Electrical Parts C42 ECUE1H102KBQ 0 001 8 C43 ECUE1A104KBQ 0 1 C44 ECUEOJ105KBQ 1 Safety Ref Part No Part Name amp Description Remarks C45 ECUE1A104KBQ 0 1 No C46 ECUE1H100DCQ 10p 5 200 PNLC1029ZB CHARGER UNIT ASS Y C51 ECJ1VB0G106M 10 S OPERATE RTL C52 ECUE1H100DCQ 10 8 3 1Hi29 9 im 200 1 125871 BODY PS HB C5 ECUE1H120JC 8 oig 9 i P 200 2 7 11052 CHARGE TERMINAL i 200 3 115071 COVER PS HB 27 200 4 100237 RUBBER PARTS FOOT C58 ECUEOJ105KBQ 1 CUSHION ces ECUE0J105KBQ 1 201 PNGT6446Z PLATE C69 ECUE1A104KBQ 0 1 S EN LL E 16 5 3 2 Main P C Board Parts C73 ECUE1H100DCQ 10p 8 76 1 100 0 10 8 77 ECUE1H100DCQ 10p 5 Safety Ref Part No Part Name amp Description Remarks C79 ECUE1H101JCQ 100p No C80 ECUV1C393KBV 0 039 200 PNWPTGA470CH MAIN P C BOARD ASS Y C81 ECUE1H101JCQ 100p RTL C82 ECUE1H471KBQ 470p S DIODE C83 ECUE1H100DCQ 10p S D1 BOECKM000008 DIODE SI C84 ECUE1H102KBQ 0 001 S JACK C87 ECUE1H102KBQ 0 001 s J1 K2ECYB000001 JACK C88 ECUE1H100DCQ 10p 5 RESISTORS C89 ECUE1H100DCQ 10 S R1 ERJ14YJ1ROU 1 c90 ECUE1A104KBQ 0 1 R2 ERJ14YJ1R0U 1 C91 ECUV1C1O5KBV 1 FUSE C92 ECUEOJ105KBQ 1 F1 K5H302Y00003 FUSE C93 ECUV1C105KBV 1 56 ECUE1H100DCQ i0p E 16 5 4 Accessories and Packing Materials C97 1 100 0 10 8 ote C802 BCUVIH
76. nfirmation RX TEST 1 Register Regular HS to BU to be checked 1 RX sensitivity check 2 Set TX Power of the BU and the Regular HS 2 HS BU setting according to CHART 1 Regular unit Low TX power 1 3 At distance of about 20m between HS and BU 3 Set TX Power of the Checking HS and the Reg ular BU according to CHART1 At distance of about 20m between HS and BU Link RX Sensitivity of the HS is OK No Link RX Sensitivity of the HS is NG 1 Setting of TX Power and RX Sensitivity in Range Confirmation TX TEST RX TEST BU to be checked Regular HS TX Power TX Power ase Uni ower Chec OW Ig BU Base Unit RX Sensitivity Check High Low HS to be checked Regular BU TX Power TX Power andse ower Chec OW Ig HS Handset RX Sensitivity Check High Low Note 1 Refer to Commands Base Unit P 54 Downloaded from www Manualslib com manuals search engine 41 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 10 1 7 Registering a Handset to the Base Unit The supplied handset and base unit are pre registered If for some reason the handset is not registered to the base unit re register the handset 1 Handset MENU 1 3 0 2 Baseunit Press and hold LOCATOR for about 5 seconds until the registration tone sounds f all registered handsets start ringing press LOCATOR again to stop then repeat this step The next step must be completed within
77. nter x New Data 1 Press a long confirmation beep will be heard Press OFF to return to standby mode KX TG4732B KX TG4733B KX TG4734B KX TGA470B FLASH CALL WAIT OFF H S LCD v Caller List SELECT PLAY Initial setting A Y Ringer setting Service Mode Read EEP Write EEP Set Addr Default Data New Data After that remove and reinsert the batteries Press the Power button for about 1 second if the power is not turned on 27 KX TG4732B KX TG4733B KX TG4734B KX TGA470B Frequently Used Items Handset ex Items Address Default Data New Data Possible Adjusted Possible Adjusted Remarks Value MAX hex Value MIN hex Battery Low 00 12 00 13 00 00 Frequency 00 07 00 08 00 01 2 ID 00 02 00 06 Given value Note 1 When you enter the address or New Data please refer to the table below Desired Number hex Input Keys Desired Number hex Input Keys 0 0 Flash 0 1 1 Flash 1 Flash 2 Flash 3 m o gt Flash 4 9 9 Flash 5 2 Use these items in a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the handset Downloaded from www Manualslib com manuals search engine 28 9 Service Mode
78. om www Manualslib com manuals search engine 20 4732 4733 4734 470 4 7 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 6 5 V 2 F301 gt R371 5 R372 CHARGE Base CHARGE Handset Q4 gt 07 F1 gt BATTERY Battery BATTERY 5 R45 5 GND CHARGE Handset CHARGE Base gt GND DC GND In this way the BBIC on Handset detects the fact that the battery is charged The charge current is controlled by switching Q9 of Handset Refer to Fig 101 in Power Supply Circuit Reset Circuit P 12 BATTERY 2CELL R6 10K BATT GND CHG CTRL 32 CHG DET 34 100K 4 7 4 Battery Low Power Down Detector Circuit Operation Battery Low and Power Down are detected by BBIC which check the voltage from battery The detected voltage is as follows Battery Low Battery voltage V Batt s 2 35 V 50 mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt x 2 0 V 50 mV The BBIC detects this level and power down 4 7 5 Speakerphone The hands free loudspeaker at SP and SP is used to generate the ring alarm 4 8 Circuit Operation Charger Unit Charge control is executed at handset side so that the operation when using charger is also controlled by handset Refer to Circuit Operation Handset P 20 F1 m gt du J1 AC Ada
79. ptor The route for this is as follows DC pin of J1 gt F1 R1 gt CHARGE pad Handset CHARGE pad DC pin of J1 Downloaded from www Manualslib com manuals search engine 21 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 4 9 Signal Route SIGNAL ROUTE _ HANDSET TX HANDSET MIC R73 74 11 13 RA4 IC1 22 23 HANDSET RF TX ROUTE ANT ANT lt UNIT RF RX ROUTE 1C501 46 47 28 C184 Q161 Q141 D101 L101 L102 P101 T R TEL LINE HANDSET RX T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171 C178 R178 C501 16 44 45 BASE UNIT RF TX ROUTE ANT ANT HANDSET RF RX ROUTE IC1 28 27 C16 L8 HEADSET JACK 5 4 HANDSET SPEAKER HEADSET TX HEADSET JACK 2 R80 C14 R22 1C1 25 HANDSET RF TX ROUTE ANT ANT BASE UNIT RF RX ROUTE 1C501 46 47 28 C184 Q161 0141 D101 L101 L102 P101 T R TEL LINE HEADSET RX T R TEL LINE L101 P101 L102 D101 Q141 R165 R177 C173 Q171 C178 R178 1C501 16 44 45 BASE UNIT RF TX ROUTE ANT ANT HANDSET RF RX ROUTE 1 28 C16 L8 HEADSET JACK 5 HANDSET SP Phone TX i HANDSET MIC R73 74 C11 13 RA4 IC1 22 23 HANDSET RF TX ROUTE ANT 1 ANT BASE UNIT RX ROUTE 501 46 47 28 C184 Q161 0141 i D101 L101 L102
80. rt a plastic card Ex Used SIM card etc between the cabinet body and the cabinet cover then pull it along the gap to open the cabinet 3 Likewise open the other side of the cabinet 4 Remove the cabinet cover by pushing it upward 7 Screw 5 Remove the solders and tape 5 Solders T 6 Remove the 2 screws to remove 5 the 2 charge terminals Main P C board 8 lt 7 Remove the screw to remove the main P C board ee 2 charge terminals ET 6 2 screws Downloaded from www Manualslib com manuals search engine 46 4732 4733 4734 470 11 1 3 Charger Unit 1 Remove the screw to remove the cabinet cover 2 Solders D Remove the solders to remove the 2 charge terminals 2 charge terminals Downloaded from www Manualslib com manuals search engine 47 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 11 2 How to Replace the Base Unit LCD m Fit the heatseal of a new LCD Vertical Interval Tolerance 0 2mm Horizontal Interval 0 2mm Tolerance If interval tolerance between center lines is less than 0 2 mm it is o k 0000000000000 0000000000000 OK Operational P C B NG e Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron Tip of Soldering I ip o
81. special components used in this equipment which are important for safety These parts are marked by N 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 prevent shock fire or other hazards Do not modify the original design without permission of manufacturer IMPORTANT INFORMATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF Standard leaded Pb solder can be used as usual on boards without the PbF mark When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible to use Pb solder during service and repair work When you note the serial number write down all 11 digits The serial number may be found on the bottom of the unit The illustrations in this Service Manual may vary slightly from the actual product Downloaded from www Manualslib com manuals search engine 2 KX TG4732B KX TG4733B KX TG4734B KX TGA470B TABLE OF CONTENTS PAGE PAGE 1 Safety 4 16 1 Cabinet and Electrical Parts Base Unit 85 1 1 For Service Technicians 4 16 2 Cabinet and Electrical Parts Handset 86 2 W
82. t record Incoming Message NO Check Bell signal Check Telephone Line Interface Bell OK NO Does the unit catch line Check Telephone Line Interface YES OFF HOOK NO meram Check Line In Pin 16 of BBIC Check ICM Recording in Signal Route OK Check Auto Disconnect Circuit OK Check Parallel Connection Detection Circuit OK Check BBIC and Flash Memory Cross Reference Note Signal Route 22 Flash Memory is IC601 Telephone Line Interface P 14 BBIC is IC501 Parallel Connection Detect Circuit Auto Disconnect Circuit P 15 Downloaded from www Manualslib com manuals search engine 32 KX TG4732B KX TG4733B KX TG4734B KX TGA470B How to change the Auto Disconnect activation time and VOX level A Auto Disconnect activation time Some Telephone Company lines fiber or cable 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 through the procedures below 1 Press MENU key at standby Mode and key Note The set must power on and be linked 2 Press 0 0 0 LCD H S Service ready 3 Press 7 un 4 Service ready TSL 4 Then enter the below last digit last digit Auto disconnect amp CPC enable default Auto disconnect enable CPC disable Auto disconnect amp CPC disable
83. te You can download and refer to the Operating Instructions Instruction book on TSN Server Downloaded from www Manualslib com manuals search engine 24 8 Test Mode 8 1 Engineering 8 1 1 Base Unit Important Make sure the address on LCD is correct when entering new data Otherwise you may ruin the unit Mode Soft keys T Navigator key Volume key 8 camme gy te Ay FLASH OFF Dial keypad H S key operation Press Select Initial Setting using 1 or v then press or Select Set tel line using 4 or v then press or gt Enter 7 2 6 2 7 6 6 4 Note 7262 7664 PANA SONI see letters printed on dial keys Select Write EEP using 1 or v then press or gt Enter 0 o Address 1 Enter New Data 1 Press a long confirmation beep will be heard Press to return to standby mode After that turn the base unit power off and then power on Note To enter Set dial mode press gt at Set tel line It is necessary to turn o n the power of base unit Downloaded from www Manualslib com manuals search engine 25 CALL WAIT KX TG4732B KX TG4733B KX TG4734B KX TGA470B H S LCD Y Caller List Initial setting Set tel line Em Set dial mode Service Mode Read EEP Write EEP
84. ty 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder PbF Pb free P 4 13 2 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 When you attach a new IC to the board remove all solder left on the board with some tools like a soldering wire If some solder is left at the joint on the board the new IC will not be attached properly Downloaded from www Manualslib com manuals search engine 63 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 13 2 3 How to Install the IC 1 Temporarily fix the FLAT PACKAGE IC soldering the two marked pins c Temporary soldering point Check the accuracy of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC Specified Solder 13 2 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 e Bridge e Soldering Iron N Downloaded from www Manualslib com manuals search engine 64 4732 4733 4734 470 13 3 Terminal Guide of the ICs Transistors and Diodes 13 3 1 Base Unit 4 1 2 3 CODBEYY00102 B DSC70038S0L
85. wnloaded from www Manualslib com manuals search engine 75 SCHEMATIC DIAGRAM Charger Unit KX TG4732B KX TG4733B KX TG4734B KX TGA470B Memo Downloaded from www Manualslib com manuals search engine 76 15 Printed Circuit Board 15 1 Circuit Board Base Unit Main 15 1 1 Component View R322 6 KX T G474x 473xH PNLB2013Z PA KX TG4732B KX TG4733B KX TG4734B KX TGA470B MSG LEDKEYS ANS LEDKEYS O LOB BEP KEYIN1 LCB GND KEYIN2 CB RST KEYINS ICD CS9KEYS 6652 7 LCD CDERED 06554 LCD_SIDBKEYIN4 C658 o LE V NC C657 6 SP LED 656 KEYS A9 MICN O YS 668 5 ie O lt 474 KX TG4732 4733 4734 CIRCUIT BOARD Base Unit_Main Component View Downloaded from www Manualslib com manuals search engine 77 KX TG4732B KX TG4733B KX TG4734B KX TGA470B 15 1 2 Bottom View For JIG TREE UTX URX GND VBAT 3 0V STM CKM P15 VDDC CLK 13 824MHz KX TG4732 7733 7734 CIRCUIT BOARD Base Unit Main Bottom View Downloaded from www Manualslib com manuals search engine 78 4732 4733 4734 470 15 2 Circuit Board Base Unit Operation TG773xH TG473xH 1 PNLB2049Z IG KX TG4732 4733 4734 CIRCUIT BOARD Base Unit Operation Component View m m g

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