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1. UnxG 1 ABELL _LED_A P2 0 ECZL PWMOILED i iE GND RA61 Ko VDD2 CHARGE CTRL mn m 0 1 LDORF CTRL CHARGE CTRL RF SUPPLY2 SOCn EXD H em Soc 29 Lar SOCA JTAG O 1 PON RFP4 NTC ADC2 100 1 PSELC RFPS J 4J ADC1 INT0 P1_0 VDD PADRVC T VDD_PADR ADC0 P3_3 28 I TX RF VSS_PADR1 3 PARADET P3 4 et TXp ERA U RF TXp RINGOUT RINGING P3_5 COLO TXn RF_TXn RINGn P3_6 ELN GND I VSS_PADR2 RINGp P3_7 22 ad ag ag s OF i TXON lt i RFP2 d 4 9 2 o 1 lt I 1 S Y H TU I xx O OLA To PA qmm IO I 1 9o LL LL Go a 1 i gt r r gt a A l I I L COL2 RF RXp pm 1 RXON CC x A TO RF BLOCK COL4 10 368M cos T T fF T A A YN co N T O e e e tr jam am lt a I uw BATTERY 8 gt zi Y m BELL LED C139 RF SHIELD Amber C138 5 LED12 Z GND 10p mz ZLED2 GND 00 Ki ii 68 GND GND NC No Components 70 KX TG5521RUB KX TGA551RUB R807 EH RXON g ae L801 C827 8 TP ANT1 An 1 GR p C826 1 RX_RF XD 2 2p lu mm ms mm mz mm mm mm DU m ibo 5lo ES gt RF RXn 5 mu Pp T NI l e 1 o ato 1 5p a0 rur DA801 8 BT RT o RF RX T T GND _RXp GND GND GND GND GND CP 3 0V BATTERY GND TI Power adj C881 BATTERY VDD PADRV R805 47 3 SP PHONE_SPEAKER GND GND GND G
2. w o H B P w o m P N o o S Of Of o N Q N N o o Of m ela A A O A A A w w ej e o 0 o o w N Q gt A ALIIA A A A A A Al ALA Al RIO m uj K A O UJ a w w W W D w w w w W D gt Q w w W O tO O 0 10 O lt tO IO O iO O O lt lt S o G lt O C86 El g m D o I Ww lt c9 C10 C14 22 25 27 32 36 42 43 51 52 53 54 55 56 60 61 65 72 74 75 84 87 1 01 10p 10p o EJ Ei El apajaja G S G G El Ei El p p p m m OQ gt B e P H o o o o O O w U O AIAN Q a U OJO 10 o tr Q tr o o D SJ N w o t tz tr q a P E mi nm H o o o o D D Qin N N w w o o t r tr Q di o p J N w H o t 0022 0022 001 tr Q di o p N w o o ke Ed El Q Q Q qi G C mij El p p m miu P N N N N N N A AJA UW w tU O 10 10 Hz Q tr o o D SJ N W o t Ej Q tr o o D SJ N w o t tr Q tr o o D SJ N w o t 1 e Hz Q tr o o D SJ N o t F1G1H1R8A480 F1G1H1R8A480 F1G1H3R3A480 3 3 tz tr tr H 3 06 Q aja B ele tr mum my Ble B o o o o o ol ojoj oj
3. then press the Enter key 5 Type SET RTX COM X then press the Enter key X COM port number used for the serial connection on your PC 6 Type READID then press the Enter key f any error messages appear change the port number or check the cable connection f any value appear go to next step T Type DOSKEY then press the Enter key Note varies depending on the country or models 11 5 3 Commands See the table below for frequently used commands Function Read the data of EEPROM Command name Read ID RFPI Write ID RFPI getchk wreeprom 54 Example for Windows 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 for Windows 2000 Windows XP Windows Server 2003 Example C Documents and Settings gt D D gt CD PNZZTG D PNZZTG gt SET RTX_COM X D PNZZTG gt READID 00 52 4F A8 A8 D PNZZTG gt DOSKEY D PNZZTG gt m lt Example Error happens gt C YDocuments and Settings gt D D gt CD PNZZTG D PNZZTG gt SET RTX_COM X D PNZZTG gt READID CreateFile error ERROR 10 Can t open serial port D PNZZTG gt _ Type rdeeprom 00 00 FF and the dat
4. 2 Solder the surroundings 63 12 3 Terminal Guide of the ICs Transistors Diodes and Electrolytic Capacitors 12 3 1 Base Unit PNWITG6521EH B1ZBZ0000065 C3FBLY000048 CODBAGZ00026 B1ACGP000007 Cathode PQVTBF822T7 B1ADGE000004 UN9219J UNR92A6J0L PQVDRLZ20A 2SC6054JSL B1ABCE000009 25D0874AS BOEDERO000009 MA8033 Cathode Cathode Anode F2A1H100B132 F2A1C1010119 BODDCD000001 LNJ237W82RA F2A1A3310040 12 3 2 Handset 1 3 10 6 UN9219J 2SC6054JSL C1CB00002906 PNWIGA651EXR C1CB00001842 B1ADGE000004 B1ADCF000161 Cathode Anode Cathode Reverse View Cathode Cathode Anode MA8043M MA2YD2120L B3AEB0000151 MA2ZD0200L BODDCD000001 B3ACB0000216 B3AEB0000124 F2A0J3310067 64 13 Schematic Diagram 13 1 For Schematic Diagram 13 1 1 Base Unit Schematic Diagram Base 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 manufacturer s specified parts 2 he schematic diagrams may be modified at any time with the development of new technology 13 1 2 Handset Schematic Diagram Handset Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 he schematic diagram may be modified at any time with the development of new tec
5. pc O 1 8 V IC7 61pin 4 2 3 Telephone Line Interface lt Function gt Bell signal detection Clip signal detection ON OFF hook circuit Bell amp Clip Calling Line Identification Presentation Caller ID signal detection In the standby mode Q3 is open to cut the DC loop current and decrease the ring load When ring voltage appears at the L1T A and L1R B leads when the telephone rings the AC ring voltage is transferred as follows e B L2 C4 gt R6 gt R33 gt IC7 Pin 21 CID INp e A gt L1 C3 gt R4 gt R35 gt ICT Pin 20 CID INn ON OFF hook circuit In the standby mode Q3 is open and connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an on hook condition When IC7 detects a ring signal or press the TALK Key onto the handset Q4 turns on and then Q3 turns on thus providing an off hook condition DC current flows through the circuit and the following signal flow makes the loop current e B gt L2 gt D3 gt Q3 gt Q5 gt R21 gt R22 gt D3 L1 A OFF HOOK 4 2 4 Transmitter Receiver Audio Circuits and DTMF tone signal circuits Base Unit and Handset mainly consist of RF Module and DECT BBIC Base Unit and Handset transmit receive voice signal and data signal through the antenna on carrier frequency Signal Path Refer to Signal Route P 14 4 2 4 1 Transmitter Block The voice signal input from the TEL LINE
6. 6857 mlSlmiaizslipp cess Jsc0mimloizcoltoop HEN Jess mlelmlazalipp OTHERS E E x C855 PNMC1013Z CASE MAGNETIC SHIELD 2 1SH1IWHM10SHO LEAD WIRE PARALLEL WIRE H03103500027 KSH30200003 15 5 1 3 Operational P C Board Parts No ASS Y RTL Co ee Mo e uem c 180901 u lnp 555902 NJ23mB2RA IN E emm ooo E II 1 2 1 E1 ANSI KOF111A00472 PUSH SWITCH DOWN K0F111A00472 PUSH SWITCH K0F111A00472 PUSH SWITCH EAS i EN did RN INT EM HEN es Rer ROFIIAO0472 PUSH SWITCH ft KoFILIAOO4T2 EUS SWITCH 1 tr jxomiminu04 2 rUSnsurtcn 15 5 2 Handset 15 5 2 1 Safety Ref Part No Part Name amp Description Remarks No x pa IN ECO PNFT101726 KEYBOARD SWITCH f 03 PNrE10332 rare poUBIE SDED DN E E CARNET BODY es LED LENS foe k boicoooaimeivSR O o i07 PNHGII162 RUBBER PARTS RECEIVER 108 envei0saz_ SPACER icb Iii sosiisisz GUIDE SPEAKER aas 15 Cabinet and Electrical Parts PNKKIO41ZI urb sATTERY ABS 86 15 5 2 2 Main P C Board Parts Note 1 Reconfirm the model No written on the handset s name plate when replacing PCB100 Because the model No of the optional handset may differ from the included handset 2 When replacing IC1 IC3 or X1 make the adjustment using PNZZTG5521RU Refer to Handset P 57 of Things to Do after
7. Phonebook data is stored in a handset HS Phonebook data Case 1 A base unit has a defect Replacing a base unit PCB etc Service center a normal BS B E 1 Register HS A to BS B HS A is normal therefore no need to copy the phonebook data Case 2 A base unit has a defect Replacing both a base unit and a handset Service center has a ies BS ene O A and a normal HS B HS A BS A 1 Register HS A to BS B as a handset no 2 2 Copy the phonebook jx from HS A to HS B 3 Cancel the HS 2 HS A Note e BS Base Unit HS Handset e f the max number of handsets are already registered to the base unit a new handset cannot be registered To register the handset refer to Registering a Handset to a Base Unit in the Operating Instructions To cancel the handset refer to Deregistering a Handset in the Operating Instructions To copy the handset phonebook refer to Copying Phonebook Entries in the Operating Instructions 21 KX TG5521RUB KX TGA551RUB Case 3 A handset has a defect Radio transmission is functioning Service center has a normal HS B A HS A ud CNG 1 Cancel HS A 2 Register HS B as a handset no 1 3 Register HS A as a handset no 2 4 Copy the phonebook data from HS A to HS B 5 Cancel HS 2 HS A Case 4 A handset has a defect Radio transmission is functioning Service center has a no
8. 1 3 Lift the handset and press AQ to put the handset in standby mode 4 Press 1 5 9 and ES key of the handset simultaneously until a confirmation tone is heard 5 Disconnect the AC adaptor then remove the battery Note 1 Refer to Registering a Handset to a Base Unit in the Operating Instructions 8 3 2 Resetting only handset The only handset is reset by doing the following steps D to Handset 1 Install the charged batteries into the handset 2 Lift the handset and press AQ to put the handset in standby mode 3 Press 3 5 7 and key of the handset simultaneously until a confirmation tone is heard 2 4 Remove the battery Note 2 he handset registration to the base unit is cancelled e f the handset needs to be registered to the base unit refer to Registering a Handset to a Base Unit in the Operating Instructions If users do not bring the base unit with them the registration procedure has to be done by users themselves 23 9 Troubleshooting Guide 9 1 Troubleshooting Flowchart Flow Chart Power ON Base Unit Not working No bell T Link No Link OK No charge Battery Charge OK OK ue No voice Handset Voice Transmission OK No voice Handset Voice Reception OK No signal DTMF dial OK No signal Caller ID Reception OK Not working TAM Operation Cross Reference Check Power P 25 Bell Reception P 35 Check Batt
9. 2 5 CP C637 NC TG85 55xx only enol IC401 NC No Components KX TG5521RU SCHEMATIC DIAGRAM Base Unit 67 13 3 Schematic Diagram Base Unit Operation LED902 K 2APVCC LED901 MEG LED ANS LED KEYS BO KEYIN1 G KEYIN2 O KEYINS3 O KEYS CO KEYS D KEYS EG NC No Components KX TG5521 SCHEMATIC DIAGRAM Base Unit Operation 68 KX TG5521RUB KX TGA551RUB Memo 69 KX TG5521RUBIKX TGASS1RUB 13 4 Schematic Diagram Handset Charge Current BATTERY F1 5 6n BATT C opp C342 GND GND Tei C150 1 8V BATTERY O 1 8v BATTERY 1 8V BATT Q2 R45 C35 ol z 0 1 J56p DTO T GND GND wW a R20 E o O 10 b E 3 0V 4 0V ul I 9 O O RS CP43 0V CP 4 0V oc I e C lt 12k O E CHG us Q4 D7 Q r A Ly HHH 1 lla os EBEEEEB a AGE TKiu 1 5k R31 PTT TTT 3 Terminal L 160 THU s CHG GND a MUDO alm go EL pe ub slz a z z z zlz z s z z Iz z e o Ul elle gt ZxY O zulxonui Nr 5 3070 89598 min GND GND 5 m I EEES SE gt x gt Sxa GND GRORSIZZNDR OBL 1 8V j JA ga 3 dE 5a 7388 VBAT2 9 1 Arr IS O age CL UE Ei CP Cty P2_5 PCM_FSC SF as GO CP_C2x P2_4 SCL1 PCM_DO DP3 z CP_C1x h lt o Power adj TCD RESET 3 P2 3 SDA1 PCM DI DP2 VBAT1 BATG eue ral i LCD RESET P2 2 PCM CLK CLK100 PAOUTn P3_0 4 e MEL U JJ fe 0 0 o p5 N PO 1 EC72 PEWMITLEDA
10. 45 10 1 2 Handset 1 Remove the 4 screws 1 4 screws 2 Insert a JIG PQDJ10006Y 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 A T H S 5 Remove the solders and tape 6 Solders and Tape Remove the screw to remove p the main P C board Main P C board SLT EZ lo Es ders TT E ES 46 10 1 3 Charger Unit 1 Remove the screw to remove Screw the cabinet cover P 2 Remove the solders to remove the 2 charge terminals 3 Remove the screw to remove the main P C board 2 charge terminals 47 10 2 How to Replace the Handset LCD Note The illustrations are simplified in this page They may differ from the actual product D Vertical Interval Tolerance Peel off the FFC Flexible Flat Cable from the LCD in the direction of the arrow Take 0 2 mm care to ensure that the foil on the P C board is not damaged 4 Horizontal Interval 0 2 mm Tolerance If interval tolerance between center lines is less than 0 2 mm it is o k more than 0 2 mm New LCD OK Fit the heatseal of a new LCD NG Inclined Tip of Soldering Iron Part No PQZZ430PIR Rubber of S
11. 51 11 4 Adjustment Standard Charger Unit When connecting the simulator equipment for checking please refer to below 11 4 1 Bottom View DC POWER DC 6 5 V Note A is referred to Check Point Charger Unit P 39 52 11 5 The Setting Method of JIG Handset This section explains the PC setting to use command required in Check Point Handset P 40 lt Preparation gt PQZZ1CD505E change the following values of Serial JIG cable PQZZ1CD300E resistance Then you can use it as a JIG Cable for both PC which runs in DOS mode TCD300 and TCD500 series It is an upper compatible JIG Batch file CD ROM for setting PNZZTG5521RU Cable OR value kQ value kO Note f you have the JIG Cable for TCD500 series 11 5 1 Connections D Connect the DC Power or Battery to BATT and BATT 2 Connect the JIG cable GND black to GND 3 Connect the JIG cable UTX yellow to UTX and URX red to URX 3 UTX yellow By o LI To Serial Port HH Eh com port 1 DC Power JIG Cable Handset P C board Note COM port names may vary depending on what your PC calls it 53 11 5 2 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 2 Open an MS DOS mode window 3 At the DOS prompt type D for example to select the drive then press the Enter key 4 Type CD PNZZTG
12. SP PHONE RX BASE UNIT t Tel Line A L1 D3 Q3 Q5 R20 C56 R117 IC7 18 IC7 77 IC801 4 T IC801 9 IC1 35 Eb 4 Bele IC7 78 IC801 3 L802 C812 DA801 C803 C859 DA802 C851 ANT1 L 853 anto to HANDSET HANDSET from BASE UNIT ANT C803 DA801 C826 IC1 3 IC1 2 IC1 33 SP 14 KX TG5521RUB KX TGA551RUB SIGNAL ROUTE IN p C U s OUT Message Play BASE UNIT to Tel Line IC421 2 IC7 53 IC7 16 R116 R29 C22 Q5 Q3 D3 T L1 A L2 B HANDSET Memo OGM MIC R73 C11 RA4 IC1 20 4 IC1 77 IC801 4 7 Recording MIC R74 C13 RA4 IC1 19 LLIC1 78 IC801 3 L_IC801 9 L802 C812 from Handset DA801 C803 ANT to BASE UNIT BASE UNIT from HANDSET ANT1 C851 T DA802 C859 C803 DA801 C826 ANT2 C853 IC7 3 IC7 54 IC421 5 L IC7 2 4 ICM Recording i BASE UNIT from Tel Line A L1 D3 Q3 Q5 R20 C56 R117 IC7 18 IC7 54 IC421 5 B L2 Message Play BASE UNIT to Handset IC421 2 IC7 53 IC7 77 IC801 4 T IC801 9 L802 C812 DA801 C803 IC7 78 IC801 3 C851 ANT1 C859 TT to HANDSET C853 ANT2 HANDSET IC1 2 IC1 33 SP IC1 35 SP Message Play BASE UNIT to Base Unit IC421 2 IC7 53 T IC7 33 R87 SPp IC7 35 R86 SPn I I I I I I I I I from BASE UNIT ANT
13. relative air humidity dry E Dimensions Base unit Approx 127 mm x 117 mm x 50 mm Handset Approx 47 mm x 25 mm x 148 mm Charger Approx 72 mm x 79 mm x 52 mm E Mass weight Base unit Approx 170 g Handset Approx 115 g Charger Approx 55 g 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 KX TG5521RUB KX TGA551RUB 4 Technical Descriptions 4 1 Block Diagram Base Unit LINN 3SYV8 WVHOVIG 19079 L28891 XM Lovol AYOWAW HSV d a SEE 0 l O Woa SEE O dod LY LOVLNOD 1O1SIS H 10idepy OV OL EE c EZ D O R O J9HYH9 uan ZHI dund 89E 0L eB1eu2 ices 6 Oldd es Vas LOvOl NOHd33 Ieuondo 96J91U al 4911e9 1189 dsa COWIG aOW 9yI4 99pog Tld du INOdQav upos rema Buena weeds grog o Buipoou ising Duipoou3 uoeeds eBpug O 11 INIT 13L OL 4 2 Circuit Operation Base Unit 4 2 1 Outline Base Unit consists of the following ICs as shown in Block Diagram Base Unit P 7 DECT BBIC Base Band IC IC7 Handling all the audio signal and data processing needed in a DECT base unit Controlling the DECT specific physical layer and radio section Burst Module Controller section ADPCM code filter for speech encoding and speech decoding DSP section Echo cancellation and Echo suppression
14. 440msec This is inter digit time in pulse mode 3 Unit 10 ms Note 1 Refer to Registering a Handset to a Base Unit in the Operating Instructions 2 When you enter the address or New Data please refer to the table below R 1 AA E AA C i A O 5 C Z OE O E h Desired Number hex Input ae Desired Number hex Input Keys R 5 90 A Ng as NNNM x 8 Bell length 32 hex 50 dec 50 x 100 msec 5000 msec 5 sec PULSE Dial speed 28 hex LED gt 40 x 1msec 40msec 10PPS gt 20PPS 3C hex 60 dec 60 x 1msec 60msec 57 hex TES gt 87 x 10msec 870msec 18 8 1 2 Handset Important Make sure the address on LCD is correct when entering new data Otherwise you may ruin the unit Soft keys Navigator key 1 H S key operation Press Select Initial Setup using A or v then press s or gt Enter Ea pu p Y 6 6 4 Note 7262 7664 PANA SONI see letters printed on dial keys Select Write EEP using 4 or v then press G or gt Enter 0 o 0 0 Address 71 Enter xl k New Data 1 Press QI a long confirmation beep Will be heard Press 40 off to return to standby mode KX TG5521RUB KX TGA551RUB AC Off Power ECO R ECO Eco mode shortcut key R Recall Flash H S LCD Caller List 168 Initial Setup M Y Ringer Setup Service Mode
15. BEEN ESE N Does not link between base unit and handset Check item A Check item A C I N A The Audio level is high or low Check item O Check item O The SP Phone level is high or low Check item P Check item P Note 1 A general repair is possible even if you don t have the DECT tester because it is for confirming the levels such as Acoustic level in detail 2 Refer to Check Point Handset P 40 9 3 1 Check Point Handset Please follow the items below when BBIC or EEPROM is replaced Note After the measuring suck up the solder of TP Connections P 53 is required beforehand The connections of adjustment equipment are as shown in Adjustment Standard Handset P 55 Items Check Procedure Check or ec 1 8 V Supply Adjustment VDD1 Confirm that the voltage between test point VDD1 and GND is 1 8 V 0 02 V IC1 Q2 C48 Execute the command VDD then check the current value D1 C1 C44 Adjust the 1 8V voltage of VDD1 executing command VDD XX XX is the R45 C40 value BBIC Confirmation BBIC Confirmation Execute the command getchk Confirm the returned checksum value Connection of checksum value and program number is shown below checksum value program number ex 3655 DBT2RN EEP ROM Confirmation Execute the command sendchar EPV IC1 IC3 2 Confirm the returned Value Value for reference is written at EEPROM C RA40 C172 SUM in Software Versio
16. C803 DA801 C826 IC1 3 I I I I I I I I 15 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 Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 1 For Service Hint Battery You could use other rechargeable batteries sold in a market but the unit is not guaranteed to work properly The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully charged In that case by recharging the battery as mentioned in the Operating Instructions you will get a correct indication of the battery strength PIN Code Change the PIN using the following method 1 gt 40112 2 X 701010 3 Enter the new 4 digit base unit PIN GI A0 16 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit Important KX TG5521RUB KX TGA551RUB Make sure the address on LCD is correct when entering new data Otherwise you may ruin the unit Navigator _ Lit mu 40 Off Power key ECO R Tes ren EEA R Recall Flash H S key opera
17. 1 Component View KX TG5521 CIRCUIT BOARD Base Unit Operation Component View 75 KX TG5521RUB KX TGA551RUB Memo 76 14 3 Circuit Board Handset 14 3 1 Component View RCV RCV SP SP X CLK 10 368MHZ URX UTX JIG GND BAT BATT BATT CHG CHG KX TGA551 CIRCUIT BOARD Handset Main Component View 77 14 3 2 Bottom View For Sy PNLD1802Zx O O Q KX TGA551 CIRCUIT BOARD Handset Main Bottom View 78 14 4 Circuit Board Charger Unit 14 4 1 Component View U O c U Ol C2 N lt K VA6c0ld Nd CIRCUIT BOARD Charger unit Component View 14 4 2 Bottom View TP4 GND TP3 CIRCUIT BOARD Charger unit Bottom View 19 KX TG5521RUB KX TGA551RUB 15 Exploded View and Replacement Parts List 15 1 Cabinet and Electrical Parts Base Unit Da h 2 6 x 8 mm Note 1 The SPACERs No 15 are cut from the excess parts of SPACER No 108 of Cabinet and Electrical Parts Handset P 81 2 Attach the double side tape to the exact location described above 80 15 2 Cabinet and Electrical Parts Handset Double sided tape N0 103 Stick to it on the Rib center of the above figure Cover the Rib completely Put it along this line P j2x8 mm Note 1 2 3 4 SST This cable is fixed by welding Refer to How to Replace the Handset LCD P 48 The rechargeab
18. 14 3 Circuit Board Handset 77 14 4 Circuit Board Charger Unit 79 KX TG5521RUB KX TGA551RUB PAGE 15 Exploded View and Replacement Parts List 80 15 1 Cabinet and Electrical Parts Base Unit 80 15 2 Cabinet and Electrical Parts Handset 81 15 3 Cabinet and Electrical Parts Charger Unit 82 15 4 AccessorieS 83 15 5 Replacement Part List 84 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 e ICs and LSIs 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 1 Danger of explosion if battery is incorrec
19. B Adjust VDD1 voltage to 1 8 V Refer to Check Point B YES OK Does the RF clock CLK oscillate at 10 368 MHz in Check around X1 and IC801 and adjust clock Base Unit Test Mode frequency Refer to Check Point G Refer to Check Point G YES NO 1 Is there CMD60 DECT Tester Does Base Unit make link with CMD60 in Base Unit Test Mode Refer to Check Point J Is the NTP value OK Refer to Check Point J Is the modulation OK Refer to Check Point K Is the Frequency Offset OK Refer to Check Point L Replace with a new Circuit Board YES Continued to the next page Note 1 Refer to Troubleshooting by Symptom Base Unit and Charger Unit P 36 Cross Reference Check Point Base Unit P 36 Power Supply Circuit P 9 27 KX TG5521RUB KX TGA551RUB YES Is the Frequency Drift OK NQ Refer to Check Point L Is the Sensitivity Receiver OK Refer to Check Point M YES Is the Timing OK NO Refer to Check Point N Replace with a new Circuit Board YES Is the Power RAMP OK NO Hefer to Check Point O Cross Reference Check Point Base Unit P 36 28 9 1 3 2 Handset Does Handset make link with Base Unit YES Correct working unit Handset is OK Check Base Unit Is the voltage of 1 8V about 1 8 V Refer to Check Point A Adjust C10 voltage to 1 8 V Refer to Check Point A YES Check around Power Suppl
20. BBIC IC7 NO Check X1 Note 1 Refer to Specifications P 6 for part number and supply voltage of AC Adaptor Check the battery and around BATT and BATT are not shorted NO Check Power Supply Circuit Reset Circuit Check BBIC IC1 Check X1 9 1 2 Check Battery Charge 9 1 2 1 Base Unit Plug 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 YES Check Handset Check Charge Contacts at Base Unit from mechanical point of view Cross Reference Charge Circuit P 12 9 1 2 2 Handset NO Is Check Power OK Check Power of Handset YES Is BBIC IC1 52 high at charge state Check Charge Circuit Cross Reference Check Power P 25 Charge Circuit P 12 9 1 2 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 YES Check Charge Contacts at Charger Unit from mechanical point of view Cross Reference Charge Circuit P 12 26 9 1 3 Check Link 9 1 3 1 Base Unit Does Base Unit make link with normal working Handset NO Is the voltage of VDD3 about 3 0 V Refer to Check Point A Base Unit is OK Check Handset Check around Power Supply Circuit YES Is the voltage of VDD1 about 1 8 V
21. DC 33u R30 L 470 es sh s gs Q5 zO L2R LIR L1T L2T gt 3 A e 72 Q Q Q aig ate Ey ero Js 18 C155 HAK CL1 O Or Caller ID Bell signal _ C147 10p C148 10p GND aa CN ee TT ZY 1 8V 1 8V VDD1 3 0V VDD3 ADCO P3 3 PARADET P3 4 RINGOUT RINGING P3_5 RINGn P3 6 RINGp P3 7 OCIDIN SOCp NTC ADC2 SOCn ADC1 INT0 P1_0 10 330u p VREFp PAOUTp P3 1 P1 7 CHARGE CHARGE CTRL GND GND Zo 41 CP_C2y Charge 42 CP_VOUT1 LED1 IDINn MICp gt CIDOUT MICn 73 CP_VOUT2 LED2 Current a PON P1_6 25 VDD sts 208 26 P2 7Z BXTAL R93 47k E 5 B zo P1 2 INT2 SK z7 P1 1 INT1 LE SM occa IN H 1 4 E 55 P0 7 SPI DI 3 sa POL6 SPLDO A ss PO_5 SPI_CLK zo PO_4 SPI_EN 57 P0_3 SCL2 sa P0_2 SDA2 sa P0_1 URX so PO O UTX Z P1 5 NTS RDIWDDE 1 7 7 8 78 P1_4 INT4 TDOD v PU X 39 P1_3 INT3 SIO ON OFF u C87 0 1u TO RF BLOCK P2_3 SDA1 PCM_DI DP2 TT RXON CI RF_RXn p VSS PADR1 RF TX RF TXn RFP2 CRF RXp VSS PADR2 P2 5 PCM FSC SF LDORF CTRL RF SUPPLY2 VDD PADR RFP4 RFP3 TXON m ES VDD_PADRV R129 10k ESO PSEL ES PON R106 220 i z U z 11208 e N 5 N zLO OTS 63 SIM e ew ied P Z Ps Charge EEP_WP eco_mode
22. DSP section Any tones tone sidetone ringing tone etc generation DSP section DTMF receiver DSP section Clock Generation for RF Module ADC DAC timer and power control circuitry PLL Oscillator Detector Compress Expander First Mixer All interfaces ex RF Power Amp EEPROM LED Analog Front End etc RF Power Amp IC801 Amplifier for transmission and reception EEPROM IC401 Temporary operating parameters for RF etc e FLASH MEMORY IC421 Voice Prompt TAM D L Area ICM OGM Recording Area Additionally Power Supply Circuit 3 0 V 2 4 V 1 8 V output Crystal Circuit 10 368 MHz Charge Circuit Telephone Line Interface Circuit KX TG5521RUB KX TGA551RUB 4 2 2 Power Supply Circuit The power is supplied to the DECT BBIC RF Module EEPROM and Charge Contact from AC Adaptor 6 5 V as shown in Fig 101 The power supply is as follows DECT BBIC IC7 DC Jack 6 5 V gt IC2 gt IC7 DC Jack 6 5 V gt IC2 gt Q9 gt IC7 DC Jack 6 5 V gt IC2 gt Q8 gt IC7 RF Power Amp IC801 DC Jack 6 5 V gt IC2 gt IC801 Power AMP e EEPROM IC401 DC Jack 6 5 V gt IC2 gt IC7 IC401 e FLASH MEMORY IC421 DC Jack 6 5 V gt IC2 IC7 1C421 e Charge Contact TP 16 DC Jack 6 5 V R56 gt R55 gt D22 gt TP16 gt gt 3 0 V RF Power Amp IC801 DCP 2 4 V pepe Jack DCM 2 5V AC Adaptor IC421 3 0 V Fig 101
23. El E p pip m F o o LIEU NI A WwW t lt lt F PQCUV0J106KB 10 PQCUV0J106KB 10 10p 10p 10p 10p 10p 10p 10p 10p ese 10p 10p CET C103 ECUE1H1017CQ 100p C104 F1G1H100A723 10p C105 ECUE1H101JCQ 100p ECUE1H330JCQ C113 ECUE1H100DCQ 10p C140 F1G1H100A723 10p C141 F1G1H100A723 10p ECUE1H102KBQ 0 001 ECUE1A104KBQ 0 1 F1G1H3R0A480 F1G1H2R0A480 F1G1H2R0A480 ECUE1H100DCQ ECUE1H100DCQ ECUE1H100DCQ C75 ECUE1H100DCQ ECUE1H100DCQ C C C C C C C C C C C C C No 3 7 8 30 31 5 50 51 52 53 54 55 63 73 74 1 5 10 11 12 13 17 18 35 0 3 4 5 7 50 51 52 53 54 55 70 71 72 73 74 75 96 97 m Q o I A Ww lt 2 0p 2 0p El El El Gl aj Ei Q Q Q O O O q qq G G s El Fl Pl El a p p p m m mm Go H H H H e oO O O O e O O O O g o o O U Q Q aq O QO tO O O tO O w oj o F t W rO 87 KX TG5521RUB KX TGA551RUB Safety ty H et Z w 3 p m D M n Q H F FO et F o 3 Ys n 3 H m m No E188 ECUE031056BQ 1 E351 5c0503105KE9 1 E332 ECUE03105KBQ 1 oms O peu loa LIQUID CRYSTAL DISPLAY 4 EXOS mMIAIO36z amma o elt edi CASE MAGNETIC 3 S HB u tr H El E Cabinet and Electrical Parts Safety NAME for tal K2ECYB000001 JACK NJT1049Z 15 5 3 1 No 00 PNLC1014ZB UNIT without PLA
24. JIG Cable GND black to GND 3 Connect the JIG Cable RX red to URX and TX yellow to UTX 3 URX red Om AC adaptor To Serial Port Hot COM port 1 JIG Cable Base unit P C board Note COM port names may vary depending on what your PC calls it 49 11 2 2 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 lt Example for Windows gt 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 YPNZZTG then press the Enter key lt Example gt 5 Type SET COM X then press the Enter key C Documents and Settings gt D X COM port number used for the serial connection on your PC D CD YPNZZTG D YPNZZTG gt SET_COM X D PNZZTG gt READID 6 Type READID then press the Enter key 00 52 AF A8 A8 f any error messages appear change the port number or D YPNZZTG gt DOSKEY check the cable connection D PNZZTG gt f any value appear go to next step 7 T
25. Programming data is stored in memory 1 Make sure to connect the JIG cable then disconnect the DC IC7 Power in order to download the data 2 Execute the command flw480 hex 3 Connect the DC Power 4 Press the PC Enter key once 5 After a few minutes Successful upgrade is displayed on the PC indicating downloading has finished 6 Detach the JIG cable then disconnect the DC Power 7 Connect the DC Power 8 Connect the JIG cable again and execute the command getchk then confirm the checksum value is correct e If the downloading fails start again from step 1 9 Default batch file Execute the command default bat 10 Country version batch file Execute the command TG5521EUXXrevYYY ZZZ bat 1 11 Clock adjustment Refer to Check Point G 2 EEPROM IC401 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 TG5521EUXXrevYYY ZZZ bat 1 4 Clock adjustment Refer to Check Point G 2 FLASH 1C421 Voice prompt data is stored in memory 1 Wait more than 15 seconds after connecting the JIG Cable vary depending on country version 2 Execute the command VPDL2009 57600 ZZ bin 1 3 Wait until VP file transfer complete is displayed on the P C writing
26. Read EEP Write EEP A 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 19 KX TG5521RUB KX TGA551RUB Frequently Used Items Handset ex Address Default Data New Data Remarks Value MAX hex Value MIN hex Adjusted value _Receingievel 0318 Adjustedvalue Gienvaue DB Beeylow 0008 7g Td 0080007 BGNm SEEE m 0002 0008 Gwnvue Ud 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 S E E Ae 2 JL 20 a e D 0 3 EAS EA gt 2 When adding 01 hex to default value sending level increases by 0 25 dB ex Default Data Sending level 2 5dBm 1 5dBm 3 5dBm 3 When reducing 01 hex from default value receiving level increases by 0 25 dB ex Default Data ET E3 Receiving level 30 5dBm 31 5dBm 29 5dBm 4 Use these items in a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the handset 20 8 2 Copying Phonebook Items when Repairing You can copy the handset phonebook to another compatible Panasonic handset This will help to save the original phonebook data which the customer has registered Available models KX TG5521 Refer to the following procedures
27. Replacing IC or X tal 3 When removing E107 use special tools ex Hot air disordering tool 4 When replacing the handset LCD See How to Replace the Handset LCD P 48 5 Backside of this IC has a ground plate Refer to How to Replace the Flat Package IC P 60 6 Supplied IC is Flat Package Type Part No Part Name amp Description Remarks No PCB100 PNWPGA5 51RUR MAIN P C BOARD ASS Y RTL 1 ERE SO A IC1 C1CB00002906 IC BBIC FLASH 2 5 6 503 BNWIGASSIENR TC EEPROM 2j me eiemouooisazlre sy __ TRANSISTORS FEER B2 BIRbGEOODO04 TRANSISTORS oa BIADGEOO0004 mRANSISTOR ST gr mass mmAwSISTORGT feo gs pSceosass PRANSISTOR S gii BIRbCO0016 TRANSISTORS OO Q12 BIADCF000161 TRANSISTOR SI DIODES D1 MA2YD2120L DIODE ST D7 MA2ZD02001 DIODE SI D D D D Safety 12 1 7 p21 Ma3043m prone tS DN E E E x m moz Jaawmonnimiimp meos iassoooiz4 oo mes msassoooniz4 sb mene sassoooniz4 sb uer Bsassoooniz4 gb meos sassoo0niz4 b uepiz msacsoo0ozie o x om usw jeizmsowio con ns jeiczwzoooston RESISTOR ARRAYS RA DIH43220001 RESISTOR ARRAY 9532 DIH4GS020001 RESISTOR ARRAY eo EXB28V103 RESISTOR ARRAY ESL pim4a221200
28. V BATT gt F1 gt Q2 1 8 V IC1 43pin 2 5V The Reset signal generates IC1 61 pin and 1 8 V Battery Heset IC1 61pin 4 4 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 6 5 V gt R56 gt R55 gt D22 gt CHARGE Base CHARGE Handset gt Q4 gt D7 gt F1 gt BATTERY Battery BATTERY gt R45 gt GND gt CHARGE Handset gt CHARGE Base GND gt 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 P 9 4 4 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 2 25 V 50 mV The BBIC detects this level and L starts flashing Power Down Battery voltage V Batt 2 0 V x 50 mV The BBIC detects this level and power down 4 4 5 Speakerphone The hands free loudspeaker at SP and SP is used to generate the ring alarm 12 4 5 Circuit Operation Charger Unit 4 5 1 Power Supply Circuit The power supply is as shown AC Adaptor KX TG5521RUB KX TGA551RUB KX TG5521RUB KX TGA551RUB 4 6 Signal Route SIGNAL ROUTE I DTMF TONE A BASE UNIT I I I I SIGNAL
29. control signal which is set high during pulses To force the line impedance low during the pause intervals between dial pulses the PULSE DIAL signal turns on Q2 10 KX TG5521RUB KX TGA551RUB L3SQNVH INVHOVIG 1O 18 LSSVOL XM AO yd AO dO SNAM1OI QVdA3 SMOH LG OS 6h 8y ET vv HOLIMS NO d4L1Vd ZHIN 0L eocoL LX TV LX 6 dON30 d0N Tid dd Buipoou3 sung Duipooeq sung Block Diagram Handset 4 3 x dSC 191 14 29po2 IN dqv BuIpo2ua uoeeds BuIpo2eq uoeeds E ag T138 agl A3M LH I1 MOV8 d21 BE 19S rS vq R E a97 9 gso 99 13S31H 9S q2 cO 1819 001 81 El 181 GyH 11vg na2 TVNIINH3LL AHILLVE 9 1V8A 11vg B gg V S 2I ZC x INOHa33 IS 10S HOHVHO ce I9HVHO eanvads 11 4 4 Circuit Operation Handset 4 4 1 Outline Handset consists of the following ICs as shown in Block Diagram Handset P 11 DECT BBIC Base Band IC IC1 All data signals forming analyzing ACK or CMD signal All interfaces ex Key Detector Circuit Charge DC DC Converter EEPROM LCD RF Power Amp PLL Oscillator Detector Compress Expander Reception RF Power Amp IC801 Amplifier for transmission EEPROM IC3 Temporary operating parameters for RF etc 4 4 2 Power Supply Circuit Reset Circuit Circuit Operation When power on the Handset the voltage is as follows BATTERY 2 2 V 2 6
30. interface goes to RF Power Amp IC801 through DECT BBIC IC7 as shown in Block Diagram Base Unit P 7 The voice signal passes through the analog part of IC7 where it is amplified and converted to a digital audio stream signal The burst switch controller processes this stream performing encryption and scrambling adding the various other fields to produce the GAP Generic Access Profile standard DECT frame assigning to a time slot and channel etc In IC7 the carrier frequency is changing and frequency modulated RF signal is generated In IC801 RF signal is amplified and radiated from antenna Handset detects the voice signal or data signal in the circuit same as the following explanation of Receiver Block 4 2 4 2 Receiver Block The signal of 1900 MHz band 1881 792 MHz 1897 344 MHz which is input from antenna is input to IC7 as shown in Block Diagram Base Unit P 7 In IC7 the signal of 1900 MHz band is downconverted to 864 kHz signal and demodulated as GAP Generic Access Profile standard DECT frames It passes through the decoding section burst switch controller where it separates out the frame information and performs de encryption and de scrambling as required It then goes to the DSP section where it is turned back into analog audio This is amplified by the analog front end and goes to the TEL LINE Interface 4 2 5 Pulse Dialling During pulse dialling the hookswitch Q3 Q4 is used to generate the pulses using the HOOK
31. the B Field Modulation is 370 30 370 30 kHz div amp Modu C802 C806 lated width z 690 kHz using data type Fig31 C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 L Frequency Offset Check Follow steps 1 to 6 of J IC7 ANTI TP 7 Confirm that the frequency offset is lt 50 kHz C802 C806 C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 37 KX TG5521RUB KX TGA551RUB Items Check Procedure Check or Point Replace Parts Frequency Drift Confir Follow steps 1 to 6 of J IC7 mation ANTI TP 7 Confirm that the frequency drift is x 35 kHz ms C802 C806 C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 Sensitivity Receiver Follow steps 1 to 6 of J IC7 Confirmation ANTI TP 7 Set DECT tester power to 90 dBm C802 C806 8 Confirm that the BER is lt 1000 ppm C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 Timing Confirmation Follow steps 1 to 6 of J IC7 ANTI TP 7 Confirm that the Timing accuracy is C802 C806
32. 01 zsrsroR ARRAY A ue FruzERS x CI Re ERSZGESIOS i00 Safety Part No T ty t H et z p 3 n m D n n Q H F rd et F O 3 Ys n 3 H m m k 20 20 2 2 2 ral el Fd J t G t 6 NI N N Q O0 ba Pi Cy OIG 00 CO e NI N O F N pee ERIZGESIOZ ik 273 ER22GF3820 82 gra ER326E3820 82 ERIZGEJIOSK ERIZGEIZTSK El tJ amp N Q El C N J W pas N J m El tJ q N Q El C H o O pe lt Ei tJ amp N Q El C N J W pe O N j 1 O 4 220 l N CAPACITORS F2A0J3310067 330 F2A0J3310067 330 0 1 PQCUV0J106KB 10 0 1 10p 10p ti Q q Er di O Oo o CQ Q 10 ul OY FJ 0 1 10p 1 1 10p C C2 C C C C C C C C C C C C o N e N o c5 c 4 4 4 4 4 C49 El Gl EJ Ed Ej HG El Ej Ei El Ej El Gl Ej A Ej Ei d 88S 8 8181919 s S 3 5 a s 3 818 8 8 amp d S S18 S B m El Ej Ei gald NI N NI NIN F P P P P P P Q p p m P P m P mm pip pj Ei El B B B F R B B F N BF Cy Cy Gy C C O O O O O O O oO O O o N O N N A CO o CI Ol O A F O A O O A Aj O I N N AI N A OAL A ON NI A A e B ojoje 0 w a w w Q W Q Q UJ w w W lt lt tO 10 IO 0 10 IO O 10 10 lt
33. 1 C12 C96 2 Set line voltage to 48V and line current to SOMA C97 R215 Input 45dBm 600 1kHz to MIC of Handset Measure the Level at Line l F R27 RA4 and distortion level C11 C13 Confirm that the level is 2 5dBm 2 dBm and that the distortion level is lt 5 at R28 D3 D4 TEL Line 600Q Load MIC R73 R74 Input 20dBm 600Q 1kHz to Line I F Measure the Level at Receiver of Handset and distortion level Receive volume set to second position from minimum Confirm that the level is 30 5dBm 2 dBm and that the distortion level is lt 5 at Receiver 1500 Load Link to Base which is connected to Line Simulator IC1 C12 C73 Set line voltage to 48V and line current to 50mA D13 D14 Set the handset off hook using SP Phone key R73 R74 Input 25 dBm 600Q 1KHz to Line I F and measure Receiving level at SP MIC C11 and SP C13 RA4 Confirm that the level is 11 0 dBm 2 dBm and that the distortion level is R27 R28 5 vol 3 C96 C97 R215 C72 Q Charge Pump 3 0V Sup CP3 0V 1 Confirm that the voltage between testpoint CP3 0V and GND is 3 0 0 3V C49 C52 C54 R Charge Pump 4 0V Sup CP4 0V 1 Confirm that the voltage between testpoint CP4 0V and GND is 4 0V 0 3V C50 C51 C860 C864 L801 L804 SP phone Audio Check and Confirmation 9 3 2 Troubleshooting for Speakerphone When the customer s telephone line corresponds to the following conditions and the transmission si
34. 6 of Things to Do after Replacing IC or X tal 2 When removing E1 use special tools ex Hot air disordering tool 3 Backside of this IC has a ground plate Refer to How to Replace the Flat Package IC P 60 4 Supplied IC is Flat Package Type Safety Ref Part No Part Name amp Description Remarks No PCB1 PNWP15521RUH MAIN P C BOARD ASS Y RTL EE eS acs r3 EI IC7 C1CB00002906 IC BBIC FLASH 1 3 4 reser ewerzGesziER IC EEPROM Mp rener esemuvoo0048 rc reser GICB00001842 IC 3 x UmANSISTORS O oi FOVFBF62277 TRANSISTOR ST os BUADGEOO0004 FRANSISTOR SI 99 BUADGEO00004 FRANSISTOR SI 15 UN9219J TRANSISTOR SI UN9219J TRANSISTOR SI 2SC6054JSL TRANSISTOR SI DIODES 2 DIG JWA8035 3 1 x omo L3 L3 etc2zomoo037 com e jeczmaowiopon nez jeicswozaooes ton fesos Jeicswozaoes oon fesoa jeiiwezoooe con x e RAI Dpimslo240004 mzsrsroR ARRAY raoz pIH4iGSZO00Z RESISTOR ARRAY rasor pIHSiGZ40004 RESISTOR ARRAY s raso prma22120001 RESESTOR ARRAY fO LL mo s e pe ABSORBER asa s Rimluwisa 180 Ra fomos m oooi E s pomora ha s PRRICX4108 fam R E ES EN Jia EC ok U R
35. IS mm o No m4 ESSE Ho FCIS ms 5720 pk Ts Taca mu 8 C po zx FCI go muzemzm ok f mr geuzwnz 2 L a umum Wasa umiwas Waw mwa awam 100 DN E in s mo muiscewu Wm 8 Wima Wm 8 uz muzen zs n s wanwa m 8 C pa mua jm muzem sz EE s ao mau mo s C pa EEN jam s m3 EEN CN CI C pss ro 5 6 ae raso 56 O m muemwmo p L es mumeno oo s es mummnor nk s m muGeswunsvi s CI gr mumsur z mz muzmnz zx s Gawa us Rss jmmamyem ao S moe muzemzzi mo s Rs mami nx s mus ES p CI pomisxros o zs museos ok S _ a6 nk FCI IN EC EN o CIS s EU MES CN s eos s NE E EE km de zy Em RE s ao E mm 3 M 5 4 3 3k 3 3k 10 10k ks ERJ2GEJIS2 rk REE ERJ2GEJI03 H p paza ERZ2GEJI03 ik azs ERJZGEUBTA ng R426 ERJ2GEJS6i 860 8427 frase 560 426 ERJ2GEJSGl 560 azs ERJ2GEJ32 3 3k RA30 ERJZGEJI00 Ww
36. ND Q LSRp LSRn 9 10 R61R52R a OPO RX AF Handset 470 1k 33k Y ren C70 k1000p LSRp Di0p d Pg D10p BE RECEIVER LSRn 2 A ZA D21 D22 GNDGND GNDGND 74 MID TX AF D3 R73 Didp 4 2 ial SS C75 C113 D10p D10p GND VREFm GND VREFm NC No Components KX TGA551 SCHEMATIC DIAGRAM Handset Main 71 13 5 Schematic Diagram Charger Unit TP3 C F1 H1 TP2 I Eu A PL E O I 2 NC 12 2W J1 TP4 O TP1 O G SCHEMATIC DIAGRAM Charger Unit 72 KX TG5521RUB KX TGA551RUB 14 Printed Circuit Board Circuit Board Base Unit Main Component View 14 1 14 1 1 LOs e C516 O 16515 er 4514 C513 2046512 GN SNO G GNO CSA 6 SNO a Z SNO O ber OL SNO 8 SNO 9 SNO OOOO L6S891L ELS89 L XM Eos SIT PS SG x ZCELLE INd DA80T 9 e amp 522 C827 a RO ZL mE e H92 R95 H693 Caas 800 805 e C81 O O N s esa E E T O bef R30 l i h R123 o Y dd C28 s J 00 G3 Pr See 7 e R22 ts 6 9 Do gt gt 0854 mh O 0 N O Vo JJ T o De e e Og e JT le e C16 d O 017 E JJ O JJ Ix L1 De WAAL J gt C622 E gt gt O B N KX TG5521 CIRCUIT BOARD Base Unit_Main Component View 73 14 1 2 Bottom View 10 368MHZ SP CHG CHG L2R Lih LiT L2T KX TG5521 CIRCUIT BOARD Base Unit Main Bottom View 74 14 2 Circuit Board Base Unit Operation 14 2
37. ORDER NO KM41007179CE Service Manual Telephone Equipment Model No KX TG5521RUB AOH and Caller ID Compatibl KX TGA551RUB Digital Cordless Answering System B Piano Black Version for Russia KX TGA551RUB KX TG5521RUB Handset Base Unit Charger Unit Configuration for each model Model No Handset Charger Unit Expandable KX TG5521 rros Uplo8 Keros reas 1 KX TGA551 is also an optional accessory which contains a handset and a charger Panasonic System Networks Co Ltd 2010 E GI Unauthorized copying and distribution is a violation of law KX TG5521RUB KX TGA551RUB Z 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 special components used in this equipment which are important for safety These parts are marked by Z in the Schematic Diagrams Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should b
38. ROUTE gt OUT l IC1 16 RECEIVER IC1 15 RECEIVER TEL OUT C Hios o C s EN L1 A to Tel Line L2 B DTMF TONE BASE UNIT TEL IN A L1 T D3 Q3 Q5 R20 C56 R117 IC7 18 from Tel Line B L2 CDL TX HANDSET MIC R74 C13 RA4 IC1 19 cia i IC801 9 L802 C812 DA801 C803 ANT to BASE I BASE UNIT from HANDSET ANT1 C851 DA802 C859 C803 DA801 C826 TIT 3 ANT C853 IC7 2 Lene iq C G Queue L1 A L2 B CDL RX BASE UNIT from Tel Line 1 A L1 D3 Q3 Q5 R20 C56 R117 IC7 18 IC7 77 IC801 4 T IC801 9 B L2 IC7 78 IC801 3 L802 C812 DA801 C803 C859 DA802 C851 ANT1 L 853 anto to HANDSET HANDSET from BASE UNIT ANT C803 DA801 C826 IC1 3 IC1 2 Caller ID from Tel Line BASE UNIT B L2 C4 R6 R33 IC7 21 7 IC7 77 R801 4 IC801 9 L802 C812 A L1 C3 R4 R35 IC7 20 JL IC7 78 R801 3 I DA801 C803 C859 DA802 C851 ANT C853 anto 10 HANDSET SP PHONE TX H HANDSET to Tel Line MIC R73 C11 RA4 IC1 20 IC1 77 IC801 4 al l MIC R74 C13 RA IC1 19 IC1 78 IC801 3 IC801 9 L802 C812 DA801 C803 ANT to BASE BASE UNIT from HANDSET ANT C851 DA802 C859 C803 DA801 C826 IC7 3 ANT C853 i C7 16 R116 R29 C22 Q6 Q8 D8 7 L1 A L2 B
39. TE RTL KX 200 1 PNKM115821 CABINET BODY ABS HB 200 2 PNJT1051X CHARGE TERMINAL c PS HB 200 4 PQHA100232 RUBBER PARTS FOOT 15 5 3 2 Main P C Board Parts PCB200 PNWPTGA641CH MATN P C BOARD ASS Y RTL ma flak s R JERG2SJ120 12 E FUSE CHARGE TERMINAL R 15 5 3 Charger Unit 2 CHARGER ASS Y TGA551RUB 200 3 PNKF111521 Safety Ref Part No Part Name amp Description Remarks No NE s RESTSTOR m F1 RSHB02 00003 KX TG5521RUB KX TGA551RUB 15 5 4 Accessories Note You can download and refer to the Operating Instructions Instruction book on TSN Server ad ih Name amp Description Remarks A m pomem Re az Rmiu0sZ como zePRONE 15 5 5 Screws eee s i Name amp Description Remarks XTB26 8GFJ TAPPING SCREW XTB2 8GFJ TAPPING SCREW 15 5 6 Fixtures and Tools Note 1 See Equipment Required P 49 and The Setting Method of JIG Handset P 53 2 When replacing the Handset LCD See How to Replace the Handset LCD P 48 eed e i PQZZ1Cp300E JIG CABLE 1 EE PNZZTG5521RU BATCH FILE CD ROM 1 PQZZ430PIR TIP OF SOLDERING IRON 2 PQZZ430PRB RUBBER OF SOLDERING IRON 2 88 Y M KXTG5521RUB KXTGA551RUB
40. a from address 00 00 to FF is read out Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written Read checksum Type getchk Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written KX TG5521RUB KX TGA551RUB 11 6 Adjustment Standard Handset When connecting the simulator equipment for checking please refer to below 11 6 1 Component View 4 0 adoosoj losC 1919IN HOA AV 09TWI 181891 1930 N W 1 O P D H H AND aN9 0 v Jajuno 1 1 N HOA Aouenbel jeubiq Kay 1 MOd moj JoIyeq ye ASC C gt 00 C d3MOd Od QN9 edo2solll2sO O 1O B19uo eqoJd 1uo11n2 N W DO NODO DO a v XHN Od 5 a a a AO9 2 0E J2M04 2q Note A R is referred to Check Point Handset P 40 55 11 7 Things to Do after Replacing IC or X tal If repairing or replacing BBIC FLASH type EEPROM and X tal 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 11 7 1 How to download the data 11 7 1 1 Base Unit First operate the PC setting according to The Setting Method of JIG Base Unit P 49 Then download the appropriate data according to the following procedures Items How to download Required adjustment BBIC FLASH type
41. d xwreeprom 00 0A 01 ZZ Note ZZ YY 1D No Voltage writing data limit is 00 c XX 00 69 Reject XX 75 FF Reject Apply 2 40 V between BATT and BATT Confirm that there is no flashing of Battery Icon Apply 2 25 V 0 08 V between BATT and BATT Confirm that there is flashing of Battery Icon Apply 2 6 V between BATT and BATT with DC power Input Command sendchar sfr then you can confirm the current value Check X tal Frequency 10 368 MHz x 100 Hz If the frequency is not 10 368 MHz x 100 Hz adjust the frequency of CLK exe cuting the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 10 368000 MHz x 5 Hz Clear the registered information for Base Unit before measurement because the Frequency will not possibly get stable due to the registered information Pressing the button of 3 5 7 clears the registration Register to it on Base Unit after measurement Transmitted Power Con Remove the Antenna before starting step from 1 to 4 firmation 1 Configure the DECT tester CMD60 as follows Setting Test mode PP e RFPI 0102030405 e Traffic Carrier 5 e Traffic Slot 4 Mode Loopback RF LEVEL 70 dBm e PACKET PP32Z 2 Execute the command sendchar TST 01 02 03 04 05 3 Initiate connection from DECT tester 4 Confirm that the NTP value at ANT is 19 dBm 25 dBm Follow steps 1 to 3 of K 4 Confirm that the B Fi
42. e 5 0 ppm When adjust the frequency of CLK in item G C808 C814 e 15 ppm When do not adjust the frequency of CLK in item G C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 Power RAMP Confirma Follow steps 1 to 6 of J IC7 tion 7 Confirm that Power RAMP is matching C802 C806 C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 38 KX TG5521RUB KX TGA551RUB Check Procedure Check or Point Replace Parts Q Audio Check Link with Handset which is connected to Line Simulator IC7 SA1 L1 Set line voltage to 48V and line current to 50mA L2 D3 Q3 Q4 Input 45dBm 600 2 1kHz to MIC of Handset Measure the Level at Line I F R14 R15 R16 and distortion level R17 D21 Q5 Confirm that the level is 2 5dBm 2 dBm and that the distortion level is 596 at R19 R20 C14 TEL Line 6002 Load C56 R117 Input 20dBm 600Q 1kHz to Line I F Measure the Level at Receiver of R116 C141 R9 Handset and distortion level Receive volume set to second position from C22 C23 minimum Confirm that the level is 30 5dBm 2 dBm and that the distortion level is lt 5 at Receiver 150QLoad Connect Charge Contact 12 9 2 W resistor between charge and charge R55 R56 D22 2 M
43. e 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 e The illustrations in this Service Manual may vary sllightly from the actual product TABLE OF CONTENTS PAGE 1 Safety Precautions 4 1 1 For Service Technicians 4 2 Warning 4 2 1 Battery Caution 4 2 2 About Lead Free Solder Pbf Pb free 4 2 3 Discarding of P C Board 5 3 Specifications 6 4 Technical Descriptions 7 4 1 Block Diagram Base Unit 7 4 2 Circ
44. easure and confirm voltage across the resistor is 3 3 V 0 3 V D23 D24 C623 C624 TAM Confirmation Execute the command sendchar VPI IC7 1C421 2 Confirm the returned Value Value is DAS7RN 02 R424 R429 C421 C422 Q421 T 2 4V Supply Confirma VDD2 1 Confirm that the voltage between test point VDD2 and GND is 2 5V 0 2V IC7 Q9 C617 tion VDD2 9 2 2 Check Point Charger Unit Items Check Procedure Check or Point Replace Parts R Charging Check TAM Operation Confir mation A Charging Check 1 Connect Charge Contact 12Q 2 W resistor between charge and charge R1 F1 2 Measure and confirm voltage across the resistor is 3 1 V 0 3 V Note After the measuring suck up the solder of TP The connection of adjustment equipment is as shown in Adjustment Standard Charger Unit P 52 39 9 3 Troubleshooting by Symptom Handset If your unit has below symptoms follow the instructions in remedy column Remedies depend on whether you have DECT tester 1 or not Remedy 2 symptom M You have DECT Tester ou don t have ester Model Number CMD60 Battery strength is not indicated correctly by Battery icon Check item A D E G Check item A D E G You cannot hear the caller s voice Check item A C H O Check item A C H M O C H You cannot use handset a little away from base unit _ even if the handset is within range of the base unit
45. eld Modulation is 370 30 370 30 kHz div amp Modulated width 690 kHz using data type Fig 31 41 Check or Replace Parts IC1 F1 C1 R45 IC1 F1 C1 R45 IC1 X1 C47 IC1 C802 C806 C808 C814 C819 C820 C822 C825 C827 C834 C860 C864 L801 L804 DA801 R801 R808 IC1 C802 C806 C808 C814 C819 C820 C822 C825 C827 C834 C860 C864 L801 L804 DA801 R801 R808 KX TG5521RUB KX TGA551RUB Items Check Procedure Check or frome Prepac K Frequency Offset Confir Follow steps 1 to 3 of I IC1 mation 4 Confirm that the frequency Offset is 50 kHz C802 C806 C808 C814 C819 C820 C822 C825 C827 C834 C860 C864 L801 L804 DA801 R801 R808 Frequency Drift Confir Follow steps 1 to 3 of I IC1 mation 4 Confirm that the frequency Drift is 35 kHz ms C802 C806 C808 C814 C819 C820 C822 C825 C827 C834 C860 C864 L801 L804 DA801 R801 R808 Sensitivity Receiver Follow steps 1 to 3 of I IC1 Confirmation 4 Set DECT tester power to 88 dBm C802 C806 5 Confirm that the BER is lt 1000 ppm C808 C814 C819 C820 C822 C825 C827 C834 C860 C864 L801 L804 DA801 R801 R808 N Power RAMP Confirma Follow steps 1 to 3 of I IC1 4 Confirm that Power RAMP is matching C802 C806 C808 C814 C819 C820 C822 C825 C827 C834 O Audio Check and Confir mation P DA801 R801 R808 Link to BASE which is connected to Line Simulator IC
46. ery Charge P 26 Check Link P 27 Check the RF part P 31 Check Handset Transmission P 34 Check Handset Reception P 34 Signal Route P 14 Check Caller ID P 34 Check TAM Operation P 35 24 Check Power Bell Reception Check Battery Charge Check the RF part Check Handset Transmission Check Handset Reception Signal Route Check Caller ID Check TAM Operation 9 1 1 Check Power 9 1 1 1 Base Unit Is the AC Adaptor inserted into AC outlet 1 Is input of IC1 about 6 5 V 8 V YES NO Is the output voltage of IC2 about 3 0 V Is the Collector of Q8 about 1 8 V Is the Collector of Q9 about 2 5 V YES NO Is the output voltage of BBIC 1C7 42 about 3 0V YES NO Is the output voltage of BBIC IC7 43 about 2 5V YES NO Is BBIC IC7 61 High YES Does BBIC IC7 10 oscillate at 10 368 MHz YES Check BBIC IC7 Cross Reference Power Supply Circuit P 9 9 1 1 2 Handset Is the battery inserted BATT and BATT YES NO Is the voltage of BATT 2 3 V more YES Is the voltage of 1 8V about 1 8 V YES NO Is the voltage of CP3 0V about 3 0V Is the voltage of CP4 0V about 4 0V YES Does BBIC IC1 10 oscillate at 10 368 MHz YES Check BBIC IC1 Cross Reference Power Supply Circuit Reset Circuit P 12 25 KX TG5521RUB KX TGA551RUB Check C32 C36 are not shorted YES Check AC Adaptor Check Power Supply Circuit Check
47. ethod of JIG Base Unit 49 11 3 Adjustment Standard Base Unit 51 11 4 Adjustment Standard Charger Unit 02 11 5 The Setting Method of JIG Handset o3 11 6 Adjustment Standard Handset 55 11 7 Things to Do after Replacing IC or X tal 56 11 8 RF Specification 58 11 9 How to Check the Handset Speaker or Receiver 59 11 10 Frequency Table MHZ 59 12 Miscellaneous 60 12 1 How to Replace the Flat Package IC 60 12 2 How to Replace the Shield Case 62 12 3 Terminal Guide of the ICs Transistors Diodes and Electrolytic Capacitors 64 13 Schematic Diagram 65 13 1 For Schematic Diagram 65 13 2 Schematic Diagram Base Unit 66 13 3 Schematic Diagram Base Unit Operation 68 13 4 Schematic Diagram Handset 70 13 5 Schematic Diagram Charger Unit 72 14 Printed Circuit Board 73 14 1 Circuit Board Base Unit Main 73 14 2 Circuit Board Base Unit_Operation 15
48. fferent from the installed part ISO code Example ABS 94HB of the remarks column shows quality of the material and a flame resisting grade about plastics RESISTORS amp CAPACITORS Unless otherwise specified All resistors are in ohms Q k 1000 Q M 1000 ka All capacitors are in MICRO FARADS uF p uuF Type amp Wattage of Resistor Type ERC Solid ERDS Carbon ERX Metal Film ERG Metal Oxide ERO Metal Film PQAR Chip ERS Fusible Resistor ERF Cement Resistor ERJ Chip Wattage Type amp Voltage Of Capacitor Type ECFD Semi Conductor ECQS Styrol ECUV PQCUV ECUE Chip ECQMS Mica ECCD ECKD ECBT F1K ECUV Ceramic ECQE ECQV ECQG Polyester ECEA ECST EEE Electlytic ECQP Polypropylene OJ 6 3V HIV 35V 1A 10V 50 1H 50V 10 16V 1J 16V 1E 25 25V 2A 100V 15 5 1 Base Unit 15 5 1 1 Cabinet and Electrical Parts No 1 JENGEIIGSI 2 K2ECYZ000001 JACK DC TS PQHG10729Z RUBBER PARTS SPEAKER 8s PNHR1308Z LED LENS BUTTON ANS ON 9 PNBC1321Z1 BUTTON MESSAGE AB PNHR1307Z LED LENS BUTTON MES SAGE 10 11 PNJK1088Z KEYBOARD SWITCH 12 PNKE10 7321 CASE CHARGE TERMINAL 84 No 13 PN371050X 14 PNLA1030Z 7 PNYE1034Z SPACER ANTENNA NER PNKF111121 CABINET COVER PS HB 1 PNHA1013Z RUBBER PARTS FOOT CUSHION 15 5 1 2 Main P C Board Parts Note 1 When replacing IC7 IC401 or X1 make the adjustment using PNZZTG5521RU Refer to How to download the data P 5
49. gnal of SP Phone is interrupted performing the next set up to a cordless handset will improve it to some extent Conditions 1 When customers line has less line loss ex The customer is using optical fiber ISDN terminal adaptor or PBX In this case receiving signal is strong and it may affect transmission signal 2 When the other party is talking from noisy place ex The other party is using cellular phone The background noise is very loud In this case the noise from the other party i e surrounding noise may affect transmission signal Setting Method Change the handset address of EEPROM 0129 from 00 to 01 by Engineering Mode 43 KX TG5521RUB KX TGA551RUB 10 Disassembly and Assembly Instructions 10 1 Disassembly Instructions Base Unit 10 1 1 D 4 screws D Remove the 4 screws to remove the cabinet cover 2 Remove the tapes and solders N Y SS Y 4 SN O 2 Tapes and solders Cabinet cover PJ ss SS ES CAL 3 Remove the parallel wire to remove the main P C board z D S A Main P C board 44 KX TG5521RUB KX TGA551RUB 4 Screw 4 Remove the screw to remove the operational P C board po Yi O O O A C 9 o O V Y ti VS m R QI AA Y O d N od W ALIS ZA DAN X OE gt C se NC ZS
50. hecked 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 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 If you need to register a handset refer to Registering a Handset to a Base Unit in the Operating Instructions 31 9 1 4 2 RF Check Flowchart Each item 1 3 of RF Check Flowchart corresponds to Check Table for RF part P 33 Please refer to the each item Link NG confirmation Normal Control signal confirmation OK X tal Frequency confirmation OK Range confirmation Normal NG OK Note 71 Base unit refer to G of Check Point Base Unit P 36 Handset refer to H of Check Point Handset P 40 32 NG Check DSP interface parts RF Block lt gt DSP on BU HS P C B Adjust X tal Frequency 1 Check Range Compare with a regular unit 9 1 4 3 Check Table for RF part Se BU Base Unit Check HS Handset Check Link Confir
51. hecksum value is correct e If the downloading fails start again from step 1 9 Default batch file Execute the command default bat 10 Default batch file remaining Execute the command TGA551RUDEFrevXXX YYY bat 3 11 Country version batch file Execute the command TGA551RUZZrevXXX_YYY bat 3 12 Clock adjustment Refer to Check Point H 4 13 1 8 V setting and battery low detection Refer to Check Point A F and G 4 EEPROM IC3 Adjusted parameter data is stored in memory 1 Default batch file Execute the command default bat country version batch file default batch file 2 Default batch file remaining Execute the command etc TGA551RUDEFrevXXX_YYY bat 73 3 Country version batch file Execute the command TGAS51RUZZrevXXX YYY bat 3 4 Clock adjustment Refer to Check Point H 4 5 1 8 V setting and battery low detection Refer to Check Point A F and G 4 X tal X1 System clock Clock adjustment data is in EEPROM adjust the data again after replacing it 1 Refer to Check Point C 4 Note 3 ZZ country code XXX YYY revision number ZZ 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 Handset P 53 4 Refer to Check Point Handset P 40 57 11 8 RF Specification 11 8 1 Base Unit 9 dBm 25 dBm Check Point Base Unit J Modulatio
52. hnology 13 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 manufacturer s specified parts 2 he schematic diagram may be modified at any time with the development of new technology 65 KX TG5521RUB KX TGA551RUB 13 2 Schematic Diagram Base Unit ANT1_TP ANT_1 C857 0 GND GND C851 C853 um Tp GND C859 1 8p GND GND 3 w w E GND C855 10p C856 100p GN ND V N z lt L801 C827 27n 10p DA801 re g eT 3 lai e GND o eo x GN GND R806 ET TXON 5 220 Vis ST CN5 PARALLEL WIRE AP1 B C517 NC C518 NC 10p 10p C516 NC No Components R803 CT PSEL ik R804 CL PON ik LED1 1dvcc 4 PSETH PO 1 GNDIVCCS Shield 66 CT RXON 10p C819 4 GND CP_OUT1 3 0V R805 3 0V Beep Bell Signal 5 ors 2 5V GND VDD5 eo lt a EN EN EH E TXp 8 VDD_PADRV B L 2 74 RA80 220 GND R75 100 z I GND ROW0 C520 GND mo x S 1 2 3 4 6 8 9 KX TG5521RUB KX TGA551RUB Loop Current LINE
53. ics Set line voltage to 48 V and line current to 40mA at off hook condition of nor R15 Q4 R16 mal telephone R17 D3 Execute the command hookoff R18 R24 Confirm that the line current is 40 mA 5 mA C15 C17 D21 Execute the command hookon Q5 R27 IC7 Confirm that the line current is less than 0 8 mA Connect Telephone Socket to DTMF tester Load 600 2 IC7 R116 Link Handset and push dial key C141 R29 C22 Confirm DTMF character C23 Q5 D21 Confirm that the high Group is 3 0 2dBm Confirm that the low Group is 6 0 2dBm Transmitted Power Con Remove the Antenna before starting step from 1 to 7 IC7 firmation ANTI TP 1 Configure the DECT tester CMD60 as follows C802 C806 Setting C808 C814 Test mode FP C820 C819 e Traffic Carrier 5 C822 C823 e Traffic Slot 4 C825 C827 Mode Loopback C826 C834 PMID 00000 C851 C853 RF LEVEL 70 dBm C859 C861 2 Execute the command sendchar TST DA801 DA802 Execute the command sendchar dmv 2 2 IC801 Check that Signalling Status has been set to Locked then press ACCEPT L801 L803 T C2 O OB OW al RFPI C855 C858 Initiate connection from Dect tester set up connect R801 R807 Execute the command ANT 1 R106 R109 Confirm that the NTP value at ANT is 19 0 dBm 25 0 dBm Q9 C617 K Modulation Check Follow steps 1 to 6 of J IC7 ANTI TP 7 Confirm that
54. it of Things to Do after Replacing IC or X tal P 56 35 9 2 Troubleshooting by Symptom Base Unit and Charger Unit If your unit has below symptoms follow the instructions in remedy column Remedies depend on whether you have DECT tester 71 or not Remedy 2 Symptom You have DECT Tester You don t have DECT Tester Model Number CMD60 You cannot use handset a little away from base unit BEEN Check item J P even if the handset is within range of the base unit Check item A I Check item A P Note 1 A general repair is possible even if you don t have the DECT tester because it is for confirming the levels such as Acoustic level in detail 2 Refer to Check Point Base Unit P 36 9 2 1 Check Point Base Unit Please follow the items below when BBIC or EEPROM or FLASH is replaced Note After the measuring suck up the solder of TP The Setting Method of JIG Base Unit P 49 is required beforehand The connections of simulator equipment are as shown in Adjustment Standard Base Unit P 51 Items Check Procedure Check or Dome Pom replace Parts 3 0 V Supply Confirma VDD3 1 Confirm that the voltage between test point VDD3 and GND is 3 0 V 0 2 V IC2 tion C36 C86 C87 C88 R91 R92 R93 R95 D10 Q10 L3 Confirm that the voltage between test point VDD1 and GND is 1 8 V 0 02 V Q8 C75 C614 Execute the command VDD then check the current value Adjust the 1 8V
55. le Ni MH battery PO3P or HHR 4NGE is available through sales route of Panasonic Attach the spacer No 116 to the exact location described lt fig 1 gt Attach the DOUBLE SIDED TAPE to the exact parts refer to lt fig 2 gt KX TG5521RUB KX TGA551RUB Battery cover L a Spacer No 116 Stick it between ribs jen Put it in the center Fig 1 gt 5 This SPACER is cut from the excess parts of SPACER No 108 Attach this SPACER to the exact location described lt fig 3 gt 15 3 Cabinet and Electrical Parts Charger Unit 200 r P e e e e e e e e 200 1 82 15 4 Accessories gt Aw N 83 15 5 Replacement Part 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 Important safety notice Components identified by the A mark indicates special characteristics important for safety When replacing any of these components only use specified manufacture s parts The S mark means the part is one of some identical parts For that reason it may be di
56. llaneous 12 1 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 12 1 1 Preparation PbF Pb free Solder e 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 Gravity gt 0 82 Type gt RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 12 1 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 60 12 1 3 How to Install the IC 1 Temporarily fix the FLAT PACKAGE IC soldering the two marked pins 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 S
57. mation Normal 1 Register Regular HS to BU to be 1 Register HS to be checked to Regular checked BU HS BU Mode Normal mode 2 Press Talk key of the Regular HS to 2 Press Talk key of the HS to establish link establish link X tal Frequency confirmation 1 Check X tal Frequency 1 Check X tal Frequency 2 10 368 MHz 100 Hz 10 368 MHz 100Hz Range Confirmation Normal 1 Register Regular HS to BU to be 1 Register HS to be checked to Regular checked BU HS BU Mode Normal mode 2 Press Talk key of the Regular HS to 2 Press Talk key of the HS to establish link establish link 3 Compare the range of the HS being 3 Compare the range of the BU being checked with that of the Regular HS checked with that of the Regular BU Note 1 Refer to Adjustment Standard Base Unit P 51 2 Refer to Adjustment Standard Handset P 55 33 9 1 5 Check Handset Transmission Check MIC of Handset OK Check CDL TX HANDSET in Signal Route Cross Reference Signal Route P 14 9 1 6 Check Handset Reception Check Handset Speaker in How to check the Handset Speaker or Receiver OK Check CDL RX HANDSET in Signal Route Cross Reference How to Check the Handset Speaker or Receiver P 59 Signal Route P 14 9 1 7 Check Caller ID Check Caller ID in Signal Route Cross Reference Signal Route P 14 34 9 1 8 Bell Reception 9 1 8 1 Base Unit When bell sig
58. n 370 30 370 30 kHz div amp Modulated Check Point Base Unit K width 690 kHz i Refer to 1 Frequency Offset 50 kHz 50 kHz Check Point Base Unit L Refer to Check Point Base Unit P 36 11 8 2 Handset Inm Check Point Handset I X Power a Modulation 370 30 370 30 kHz div amp Modulated Check Point Handset J width 690 kHz wer RAMP Frequency ois okaz o EheePoint HandseD K Refer to Check Point Handset P 40 58 11 9 How to Check the Handset Speaker or Receiver 1 Prepare the digital voltmeter and set the selector knob to ohm meter 2 Put the probes at the speaker terminals as shown below SPEAKER Is the value between terminal and terminal about 8 Q RECEIVER Is the value between terminal and terminal about 150 Q Replace the speaker receiver Handset speaker receiver Digital Voltmeter 11 10 Frequency Table MHz CBSE HANDSET ChannelNo Transmit Frequency Receive Frequency Transmit Frequency Tag pra EEE 2 58i teasers fra 3 i388 OO fr 0 2 9180 poo ZAC i I 1 5 890432 roa 890432 6 peoa 8887mm 1888 704 7 B898 86976 LG 585 248 1 1 883 520 1883 520 881 792 1881 792 9 883 520 883 520 10 1881 792 1881 792 Note Channel No 10 In the Test Mode on Base Unit and Handset 59 12 Misce
59. n Table xls EEP ROM Confirmation mE Charge Control Check amp Apply 3 5 V between CHG and CHG with DC power supply and set cur IC1 Q4 Q9 Charge Current Monitor rent limit to 250 mA D7 R6 R7 Check Confirm the indication of charging on LCD F1 C1 R2 Confirm that the current limit LED of DC power supply is ON OFF R30 R31 R8 Confirm it after waiting over 1 minute at least R45 Decrease current limit of DC power supply to 100 mA Confirm that the current limit LED of DC power supply is stable Current limiter is ON If charge control cannot be confirmed by this procedure please use battery to hand set power supply and try again 1 Stop supplying 3 5 V to CHG and CHG IC1 Q4 Q9 2 Confirm the indication of charging has been cleared D7 R6 R7 F1 C1 R2 R30 R31 R8 R45 Charge Detection OFF Check 40 KX TG5521RUB KX TGA551RUB Items Check Procedure Point 1 Apply 2 25 V between BATT and BATT 2 Execute the command sendchar PAD sendchar LED 0 sendchar CRX 0 1 sendchar AD1 It assumes that the return value is XX a 6c s XX s 71 No need to adjust b XX 6A 6B Need to adjust XX 72 74 Need to adjust Write AD value of 2 25 V to EEPROM ex read data XX 6A write data YY 6A read data XX 73 write data YY 73 EEPROM 0009 Low Voltage write YY Execute the command wreeprom 00 09 01 YY EEPROM 000A No Voltage write YY 1D Execute the comman
60. nal is coming is there bell sound Check around C3 C4 C5 C6 R3 R4 R5 R6 C136 C137 R32 R33 R34 R35 C52 C53 L1 L2 C168 C42 C43 R42 R43 signal at BBIC IC7 20 21 YES When bell signal is coming is there bell sound Check around C54 C55 R36 R37 signal at BBIC IC7 24 YES Check around IC7 34 C147 C148 R86 When bell signal is coming is there bell sound R87 C145 C146 C149 C150 SPp SPn and SPEAKER signal at IC7 33 35 9 1 8 2 Handset When bell signal coming is there bell sound signal Check BBIC IC1 C78 C79 C73 C72 D13 at BBIC IC1 33 35 D14 R208 R209 NO Check around SP SP Check cable of SPEAKER and resistance value of SPEAKER When bell signal coming is there bell sound signal at SP SP YES Does the bell sound from SPEAKER Cross Reference Telephone Line Interface P 10 Check Link P 27 How to Check the Handset Speaker or Receiver P 59 9 1 9 Check TAM Operation NO Is there a TAM icon on the Handset display Turn on the Answering System YES and VDD1 about 1 8 V VDD4 about 3 0 V VDD5 Check Power Supply Circuit Is the voltage of VDD3 of Base Unit about 3 0 V Check Power Supply Cireuit about 2 5 V YES Check IC421 and BBIC IC7 of Base Unit 1 Cross Reference Power Supply Circuit P 9 Note 1 When replacing FLASH MEMORY IC421 TAM data need to be written to it Refer to Base Un
61. o D P o P D ZI K lt N N N N N w w w w w e B B ele ol o o o o t r t EJ g m p Hm o O A Ww lt D PR o Ul IN tJ lt w H o H Hn 00 00 FJ t 0 0 0 tr El al alg H pP d m m mnuo gt o o ojojo D P n ZI N N W w w lt Bl B o o FO d Q tr Y O D A o I Ej Q tr o o D SJ N W o t C814 ECUE1H332KBO 0 tj tr q a P pP mi a P N oj w ojl N D gt Z d N w o N o BIN t H Q qi N wv N D A N N rO 0033 tr tj El my tj tr El El El ala tr El El El H H Q m m ajaja Q OQ H Q OQ oO Q dao g g g g G q a P A p IM EJ m m H p oOo H D W Q m P gt PI Q og o ty B PF H P B e o oj w ojo ojo o o o i uj A uj I A w I Y ES N N 2 A Al ALA N oo E 3 0 w Ww Ww 10 lt lt 10 O O Q tr o D 1 N w m a o o t t KX TG5521RUB KX TGA551RUB Safety Ref No c820 F1G1HR50A480 0 5p C822 F1G1H3R0A480 3p Part No Part Name amp Description Remarks A aoo o J e TT Eleimio0a723 10p ooo Jer lmiemmmaniip js lmieimomainngp gu ss T NES C825 fesi CO fess ricimzoMS0Up F1GIH100A725 0p
62. oldering Iron Specified Solder 12 1 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 C Bridge O Soldering Iron 61 KX TG5521RUB KX TGA551RUB 12 2 How to Replace the Shield Case 12 2 1 Preparation PbF Pb free Solder e 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 Hot Air Desoldering Tool Temperature 608 F 68 F 320 C 20 C 12 2 2 Caution To replace the IC efficiently choose the right sized nozzle of the hot air desoldering tool that matches the IC package Be careful about the temperature of the hot air desoldering tool not to damage the PCB and or IC 12 2 3 How to Remove the Shield Case Note If you don t have special tools ex Hot air disordering tool conduct the following operations 1 Cut the case along perforation 2 Remove the cut part 3 Cut the four corners along perforation 4 Remove the reminds by melting solder 62 KX TG5521RUB KX TGA551RUB 12 2 4 How to Install the Shield Case Note e f you don t have special tools ex Hot air disordering tool conduct the following operations e Shield case s No PNMC1013Z 1 Put the shield case
63. oldering Iron 1 Part No PQZZ430PRB Heatweld with the tip of the soldering NG iron about 5 to 8 seconds in case of 60W soldering iron Vertical interval tolerance is NG Horizontal interval tolerance is more than 0 2 mm E 48 11 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 24 11 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 11 2 The Setting Method of JIG Base Unit This section explains the PC setting to use command required in Check Point Base Unit P 36 Preparation PQZZ1CD505E change the following values of Serial JIG cable PQZZ1CD300E resistance Then you can use it as a JIG Cable for both PC which runs in DOS mode TCD300 and TCD500 series It is an upper compatible JIG Batch file CD ROM for setting PNZZTG5521RU Cable Old value kQ New value kQ Note f you have the JIG Cable for TCD500 series 11 2 1 Connections D Connect the AC adaptor to DC JACK base unit 2 Connect the
64. re several types of PbF solder available commercially While this product is manufactured using Tin Silver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu or Tin Zinc and Bismuth Sn Zn Bi Please check the 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 KE solder wire sizes are recommended for service of this w 0 3 mm 0 6 mm and 1 0 mm 03mmx100g 06mmX100g 10mmX100g 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 3 Specifications E Standard DECT Digital Enhanced Cordless Telecommunications GAP Generic Access Profile B Number of channels 120 Duplex Channels E Frequency range 1 88 GHz to 1 90 GHz E Duplex procedure TDMA Time Division Multiple Access E Channel spacing 1 728 kHz ll Bit rate 1 152 kbit s E Modulation GFSK Gaussian Frequency Shift Keying E RF transmission power Approx 10 mW average power per channel E Voice coding ADPCM 32 kbit s Note ll Power source AC Adaptor 220 240 V AC 50 60 Hz Base unit PQLV219CEW Charger PQLV219CEW ll Power consumption Base unit Standby Approx 0 5 W Maximum Approx 3 8 W Charger Standby Approx 0 2 W Maximum Approx 3 0 W E Operating conditions 0 C 40 C 20 80
65. rmal BS B and a normal HS B MM HS A n O 1 Register HS A as a handset no 2 2 Copy the phonebook data from HS A to HS B 3 Cancel HS 2 HS A Note BS Base Unit HS Handset e If the max number of handsets are already registered to the base unit a new handset cannot be registered To register the handset refer to Registering a Handset to a Base Unit in the Operating Instructions To cancel the handset refer to Deregistering a Handset in the Operating Instructions To copy the handset phonebook refer to Copying Phonebook Entries in the Operating Instructions 22 8 3 How to Clear User Setting Units are reset to the Factory settings by this operation Erase recorded Voice messages stored Phone numbers Caller list and etc Note e Some menus are not reset Refer to Operating Instructions P 16 he reset menus differ depending on the following operations This operation should not be performed for a usual repair KX TG5521 only 8 3 1 Resetting both base unit and handset Both the base unit and the registered handset which you did the following steps to are reset Other registered handsets will not be reset Handset Base unit 1 Connect the AC adaptor to the base unit and install the charged batteries into the handset 2 Confirm the handset is registered to the base unit Y lights If the handset is not registered to the base unit Y lights register it
66. time aprox About 1 min 4 Detach the JIG cable to disconnect DC Power Then reconnect the DC Power and confirm whether the down load is successfully completed X tal X1 System clock Clock adjustment data is in EEPROM adjust the data again after replacing it 1 Refer to Check Point F 2 Note 1 XX country code YYY ZZZ revision number ZZ Voice prompt XX YYY and ZZZ vary depending on the country version You can find them in the batch file PNZZ mentioned in The Setting Method of JIG Base Unit P 49 2 Refer to Check Point Base Unit P 36 56 KX TG5521RUB KX TGA551RUB 11 7 1 2 Handset First operate the PC setting according to The Setting Method of JIG Handset P 53 Then download the appropriate data according to the following procedures How to download Required adjustment BBIC FLASH type Programming data is stored in memory 1 Make sure to connect the JIG cable then disconnect the DC IC1 Power in order to download the data 2 Execute the command flw480 hex 3 Connect the DC Power 4 Press and hold the handset Power key 5 While holding down the handset Power key press the PC Enter key once 6 After a few minutes Successful upgrade is displayed on the PC indicating downloading has finished 7 Detach the JIG cable then press the handset Power key to turn it on 8 Connect the JIG cable again and execute the command getchk then confirm the c
67. tion 1 Register a Handset to a Base Unit 1 2 Press i 3 Select Initial Setup using 4 or v then press G or gt 4 Select Line Setup using 4 or v then press G or gt 5 Enter 7 2 6 P 6 6 4 Note 7262 7664 PANA SONI see letters printed on dial keys 6 Select Write EEP using A or v then press G or 7 Enter e e o Address 2 8 Enter New Data 2 9 Press Id a long confirmation beep will be heard 10 Press o off to return to standby mode After that turn the base unit power off and then power on 17 ECO Eco mode shortcut key H S LCD Caller List lt OK Initial Setup 1 Line Setup Service Mode Read EEP J Write EEP ESCI Set Addr Default Data New Data Frequently Used Items Base Unit ex items Default Data Remarks C ID FSK sensitivity 04 8B 6 dB up 02 12 dB up IWhen hex changes from 00 to 01 or 02 gain increases by 6 dB or 12 dB 00 08 00 07 02 70 Use these items in a READ ONLY mode to 00 02 00 06 Given value E the contents Careless rewriting may Bell length 02 18 5sec 3 3 sec 2 sec This is time until bell stops ringing s PULSE Dial speed 01 F8 40msec 20msec This is pulse make time Unit 1 ms PS gt 20PPS A or t 01 F9 C 60msec E 30msec This is pulse break time Unit 1 ms 3 02 07 7 870msec 2C
68. tly replaced 2 Replace only with the same or equivalent type recommended by the manufacturer 3 Dispose of used batteries according to the manufacture s Instructions 2 2 About Lead Free Solder Pbf Pb free Note In the information below Pb the symbol for lead in the periodic table of 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 a soldering iron with temperature control and adjust it to 700 F 20 F 370 C 10 C Exercise care while using higher temperature soldering irons Do not heat 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 C e 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 PS e excess solder N solder Slice View 2 2 1 Suggested PbF Solder There a
69. uit Operation Base Unit 8 4 3 Block Diagram Handset 11 4 4 Circuit Operation Handset 12 4 5 Circuit Operation Charger Unit 13 4 6 Signal Route 14 5 Location of Controls and Components 16 6 Installation Instructions 16 7 Operating Instructions 16 7 1 For Service Hint 16 8 Service Mode 17 8 1 Engineering Mode 17 8 2 Copying Phonebook Items when Repairing 21 8 3 How to Clear User Setting 23 9 Troubleshooting Guide 24 9 1 Troubleshooting Flowchart 24 9 2 Troubleshooting by Symptom Base Unit and Charger Unit 36 9 3 Troubleshooting by Symptom Handset 40 10 Disassembly and Assembly Instructions 44 10 1 Disassembly Instructions 44 10 2 How to Replace the Handset LCD 48 11 Measurements and Adjustments 49 11 1 Equipment Required 49 11 2 The Setting M
70. voltage of VDD1 executing command VDD XX XX is the value C Charge Pump Confirm that the voltage between test point VDD5 and GND is 2 5 V 0 3 V 2 5V Supply Confirma tion B 1 8 V Supply Confirma D Charge Pump Confirm that the voltage between test point VDD4 and GND is 3 0 V 0 2 V 3 0V Supply Confirma tion BBIC Confirmation 1 BBIC Confirmation Execute the command getchk 2 Confirm the returned checksum value Connection of checksum value and program number is shown below ex 53F5 DBR1EN EEP ROM Confirmation Execute the command sendchar EPV IC7 RA402 2 Confirm the returned Value Value for reference is written at EEPROM C C51 R657 SUM in Software Version Table xls BBIC Clock Adjustment Input Command sendchar WWD ff 48 IC 8006 Confirm that the voltage between testpoint VDD4 and GND is less than 1 0 V Input Command sendchar sfr then you can confirm the current value Check X tal Frequency 10 368 MHz 100 Hz If the frequency is not 10 368MHz 100Hz adjust the frequency of CLK exe cuting the command sendchar sfr xx xx where xx is the value so that the reading of the frequency counter is 10 368000 MHz x 5 Hz EEPROM Confirmation 36 KX TG5521RUB KX TGA551RUB Items Check Procedure Check or Point Replace Parts Hookswitch Check with Connect Telephone Socket to Tel simulator which is connected with 600 Q L1 L2 Q3 R14 DC Characterist
71. w E Gmm mi s es DOGAS6NZADU k O o Wasita um u Www 22k s er rer as x reos ERJ2GEJI02 te R80 ERJ2GEJI02 ik s RBS ERJZGEMT0 7 R06 ERJ2GEJ221 220 ET ERJ26EJ221 220 x eAPACTTORS es FIK2H6BIAO08 amp 8p ea freme eo 1065 ECUV1C103KBV 0 01 fee ewen oon TT pewien oa IN e EDESA 85 Safety Part No ty m H et 2 m 3 D m 2 1 g Q IN Kl zz Pl c SO lu OC X b S 5 Q J 6 3 di pl H Z w C u Z O 8 co 8 era tr H A N E 0 D o o Oo 80p 80p 027 0012 o C25 ECJ0EB1A473K 047 033 p P P P pa pa o o tr N p Hi o o tJ w N o o w 30 O O o o P o O O O O O O O O O A ol ko Em ee Ca C EHI 7p 1 20p 20p 033 082 1 1 1 1 tr Q tr o o D SJ N w o t C C C C C C C C C C C C C C C C 0 1 C D N N Ul A UJ N N El E Ej Gi Ed A Al A Al pri Ei Ei A Dj 9 H f g tO Gl 6 4 Q Q OQ O aIla a O aJa lal OI O QI N N O O O OQ F q amp 8 Sl 8 S 8 8 B B 88 S d X Q a 8 8 El El Fl t El El dl E eij e bl Fl N H B B p B B B p B B p B B e S Q Hin tt p gt m gt gt Q P suus m Q a w HB tr p o H B B B
72. y Circuit Reset Circuit Is the voltage of CP3 0V about 3 0 V Refer to Check Point Q YES Check BBIC IC1 Is the voltage of CP4 0V about 4 0 V Refer to Check Point R YES Does the RF clock CLK oscillate 10 368 MHz Check around X1 and IC801 and adjust in Handset Test Mode clock frequency Refer to Check Point H Refer to Check Point H YES NO 1 Is there CMD60 DECT Tester Does Handset make link with CMD60 in Handset Test Mode Refer to Check Point l Is the NTP value OK i s Refer to Check Point I Replace with a new Circuit Board Is the modulation OK NO Refer to Check Point J Is the Frequency Offset OK NO il m m OD Refer to Check Point K y YES Continued to the next page Note 1 Refer to Troubleshooting by Symptom Handset P 40 Cross Reference Check Point Handset P 40 Power Supply Circuit Reset Circuit P 12 29 KX TG5521RUB KX TGA551RUB YES Is the Frequency Drift OK NO Refer to Check Point N YES l NO Is the Sensitivity Receiver OK Refer to Check Point O ves Is the Power RAMP OK NQ e Refer to Check Point P Replace with a new Circuit Board Cross Reference Check Point Handset P 40 30 9 1 4 Check the RF part 9 1 4 1 Finding out the Defective part 1 Prepare Regular HS Handset and Regular BU Base unit 2 a Re register regular HS Normal mode to Base Unit to be c
73. ype DOSKEY then press the Enter key Example error happens C Documents and Settings gt 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 11 2 3 Commands See the table below for frequently used commands Command name Function Example Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out itei Write ID RFPI Type writeid 00 18 E0 OE 98 and the ID 0018 E0 0E 98 is written Off hook mode on Base Type hookoff On hook mode on Base Type hookon Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written 50 11 3 Adjustment Standard Base Unit When connecting the simulator equipment for checking please refer to below 11 3 1 Bottom View CTS60 5 N E O LLI a Frequency Counter VDD4 CP 3 0V aS Im 2 eS Ts CP 2 5V xx op RX i S TA 1 ES eda Mo o 5 lt BUS t i es SI Dm LS T IN eos ines 80V 22 uc d 4 LANE Y tv 24v CX 99 Pus VDD1 1 8V CHARGE D 2 CHARGE _ Go D 2 AS gt E cE Va Oo pg Note A T is referred to Check Point Base Unit P 36

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