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Panasonic KX-TG6521BXB, Service Manual

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Panasonic KX-TG6521BXB Service Manual Download Page 81

81

KX-TG6521BXB/KX-TGA651BXB

R10

ERJ3GEYJ104 100k                            S

R12

ERJ2GEJ103

10k                             S

R13

ERJ2GEJ681

680

 S

R14

ERJ3GEYJ104 100k                            S

R15

PQ4R18XJ272 2.7k                            S

R16

ERJ2GEJ103

10k                             S

R17

ERJ2GEJ222

2.2k                            S

R18

ERJ2GEJ273X 27k                             S

R19

ERJ2GEJ822

8.2k                            S

R20

ERJ2GEJ272

2.7k                            S

R21

ERJ12YJ120

12

  

R22

ERJ12YJ270

27

  

R23

ERJ2GEJ104

100k                            S

R24

ERJ2GEJ273X 27k                             S

R27

ERJ2GEJ104

100k                            S

R28

ERJ2GEJ474X 470k                            S

R29

ERJ2GE0R00

0

 S

R30

ERJ3GEYJ911 910

 S

R31

ERJ3GEY0R00 0

 S

R32

ERJ2GEJ823

82k                             S

R33

ERJ2GEJ102

1k                              S

R34

ERJ2GEJ823

82k                             S

R35

ERJ2GEJ102

1k                              S

R36

ERJ2GEJ124

120k                            S

R37

ERJ2GEJ392

3.9k                            S

R40

ERJ2GEJ271

270

 S

R42

PQ4R10XJ475 4.7M                            S

R43

PQ4R10XJ475 4.7M                            S

R55

ERJ1TYJ5R6U 5.6

  

R56

ERJ1TYJ5R6U 5.6

  

R57

ERJ6GEY0R00 0

 S

R75

ERJ2GEJ101

100

 S

R76

ERJ2GEJ102

1k                              S

R77

ERJ2GEJ103

10k                             S

R81

ERJ2GEJ332

3.3k                            S

R86

ERJ3GEYJ1R5V 1.5

 S

R87

ERJ3GEYJ1R5V 1.5

 S

R91

ERJ2GEJ470

47

 S

R92

ERJ2GEJ121

120

 S

R93

ERJ2GEJ472X 4.7k                            S

R95

ERJ2GEJ681

680

 S

R106

ERJ2GEJ221

220

 S

R109

ERJ2GEJ221

220

 S

R116

ERJ2GE0R00

0

 S

R117

ERJ2GEJ332

3.3k                             S

R124

PQ4R18XJ100 10

 S

R129

ERJ2GEJ103

10k                              S

R130

ERJ2GEJ102

1k                               S

R132

ERJ2GEJ681

680

 S

R133

ERJ2GEJ152

1.5k                             S

R135

ERJ2GEJ103

10k                              S

R424

ERJ2GEJ103

10k                              S

R425

ERJ2GEJ274

270k                             S

R426

ERJ2GEJ561

560

 S

R427

ERJ2GEJ561

560

 S

R428

ERJ2GEJ561

560

 S

R429

ERJ2GEJ332

3.3k                             S

R430

ERJ2GEJ100

10

 S

R511

ERJ2GEJ102

1k                               S

R516

ERJ2GEJ102

1k                               S

R615

D0GA563ZA006 56k                               

R657

ERJ2GEJ103

10k                              S

R801

ERJ2GEJ223

22k                              S

R802

ERJ2GEJ121

120

 S

R803

ERJ2GEJ102

1k                               S

R804

ERJ2GEJ102

1k                               S

R805

ERJ2GEJ470

47

 S

R806

ERJ2GEJ221

220

 S

R807

ERJ2GEJ221

220

 S

(CAPACITORS)

C3

F1K2H681A008 680p

  

C4

F1K2H681A008 680p

  

C5

ECUV1C103KBV 0.01

  

Safety

Ref. 

No.

Part No.

Part Name & Description Remarks

C6

ECUV1C103KBV 0.01

  

C7

ECUV1C104KBV 0.1

  

C8

ECUV1C104KBV 0.1

  

C9

F1K2H681A008 680p

  

C10

F1K2H681A008 680p

  

C14

ECUE1C223KBQ 0.022

  

C19

ECUV1H102KBV 0.001

  

C22

PQCUV1A105KB 1

  

C25

ECUE1C103KBQ 0.01

  

C27

F2A1H100B132 10

  

C32

F2A1C1010119 100

  

C36

F2A1A3310040 330

  

C42

ECUV1C103KBV 0.01

  

C43

ECUV1C103KBV 0.01

  

C49

ECUE1H471KBQ 470p                              

C51

ECUE1A104KBQ 0.1

  

C52

ECUE1H821KBQ 820p                              

C53

ECUE1H821KBQ 820p                              

C54

ECUE1A333KBQ 0.033

  

C55

ECUE1A823KBQ 0.082

  

C56

ECUV1C104KBV 0.1

  

C60

ECUE1A104KBQ 0.1

  

C61

ECUE1A104KBQ 0.1

  

C65

ECUE1H100DCQ 10p                               

C72

ECUE1A104KBQ 0.1

  

C74

F1G1H100A723 10p  

  

C75

ECUE1A104KBQ 0.1

  

C84

ECUV1A225KB 2.2

  

C86

ECUV1A105KBV 1

  

C87

ECUE1A104KBQ 0.1

  

C88

ECUE1C103KBQ 0.01

  

C136

ECUE1H100DCQ 10p                               

C137

ECUE1H100DCQ 10p                               

C145

F1G1H100A723 10p  

  

C146

F1G1H100A723 10p  

  

C147

F1G1H100A723 10p  

  

C148

F1G1H100A723 10p  

  

C149

ECUE1H222KBQ 0.0022

  

C150

ECUE1H222KBQ 0.0022

  

C157

ECUE1H102KBQ 0.001

  

C168

F1G1H100A723 10p  

  

C169

F1G1H100A723 10p  

  

C170

F1G1H100A723 10p  

  

C171

F1G1H100A723 10p  

  

C305

ECUE0J105KBQ 1

  

C421

ECUE1C103KBQ 0.01

  

C422

ECUE1A104KBQ 0.1

  

C511

F1G1H100A723 10p  

  

C512

F1G1H100A723 10p  

  

C513

F1G1H100A723 10p  

  

C514

F1G1H100A723 10p  

  

C515

F1G1H100A723 10p  

  

C516

F1G1H100A723 10p  

  

C614

ECUV1A105KBV 1

  

C615

ECUV1A105KBV 1

  

C616

ECUV1A105KBV 1

  

C617

ECUV1A105KBV 1

  

C623

ECUV1H104ZFV 0.1

  

C624

ECUV1C105ZFV 1

  

C625

ECUV1A105KBV 1

  

C630

F1G1H100A723 10p  

  

C631

F1G1H100A723 10p  

  

C802

F1G1H1R8A480 1.8p

  

C803

F1G1H1R5A480 1.5p

  

C804

F1G1H1R8A480 1.8p

  

C805

F1G1H3R3A480 3.3p

  

C806

F1G1H3R3A480 3.3p

  

C808

ECUE1A104KBQ 0.1

  

C809

F1G1H100A723 10p  

  

C810

F1G1H2R2A480 2.2p

  

C811

F1G1H100A723 10p  

  

C812

F1G1H100A723 10p  

  

C813

F1G1H2R2A480 2.2p

  

Safety

Ref. 

No.

Part No.

Part Name & Description Remarks

Summary of Contents for KX-TG6521BXB

Page 1: ...o Ltd 2010 Unauthorized copying and distribution is a violation of law ORDER NO KM41009244CE Telephone Equipment Model No KX TG6521BXB KX TGA651BXB Digital Cordless Answering System B Black Version for Middle Near East and Africa ...

Page 2: ...2 KX TG6521BXB KX TGA651BXB ...

Page 3: ...Replace the Handset LCD 46 11 Measurements and Adjustments 47 11 1 Equipment Required 47 11 2 The Setting Method of JIG Base Unit 47 11 3 Adjustment Standard Base Unit 49 11 4 The Setting Method of JIG Handset 50 11 5 Adjustment Standard Handset 52 11 6 Things to Do after Replacing IC or X tal 53 11 7 RF Specification 55 11 8 How to Check the Handset Speaker or Receiver 56 11 9 Frequency Table MHz...

Page 4: ...d 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 S...

Page 5: ...d 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 2 3 Discarding of P C Board When discarding P C Board delete all personal information such as telephone di...

Page 6: ... 3 Specifications 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 ...

Page 7: ...urst Encoding Burst Decoding RF PLL 5 3 77 75 9 10 EEPROM SCL SDA 57 58 44 To AC Adaptor Limit Resistor Charge Detector CHARGE CONTACT Optional IC2 Q9 Q8 2 4V Reg 1 8V Reg 3 0 V 2 4 V 1 8 V BBIC IC401 IC7 KX TG6521 BLOCK DIAGRAM BASE UNIT MOD DEMOD Charge Pump 43 2 5V XTAL X1 X1 10 368 MHz IC801 RX n RX p TX p TX n P on PSEL V DD PADRV 4 3 6 7 TX on RX on D801 6 72 ANT1 ANT2 9 8 ANT1 ANT2 RF PA AN...

Page 8: ...lation and Echo suppression 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 Tempora...

Page 9: ...or 6 5 V as shown in Fig 101 The power supply is as follows DECT BBIC IC7 DC Jack 6 5 V IC2 IC7 DC Jack 6 5 V IC2 Q9 IC7 DC Jack 6 5 V IC2 Q8 IC7 RF Power Amp IC801 DC Jack 6 5 V IC2 IC801 Power AMP EEPROM IC401 DC Jack 6 5 V IC2 IC7 IC401 FLASH MEMORY IC421 DC Jack 6 5 V IC2 IC7 IC421 Charge Contact TP16 DC Jack 6 5 V R56 R55 D22 TP16 Fig 101 ...

Page 10: ...C 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 t...

Page 11: ... 33 35 15 16 19 20 32 31 57 58 36 13 43 42 63 54 55 66 ADPCM Codec Filter DSP Speech Decoding Speech Encoding BMC Burst Decoding RF PA ANT1 IC801 Burst Encoding RF PLL MOD DEMOD 5 3 4 3 6 7 8 9 2 77 78 75 RXn RXon ANT1 DA801 RXp TXp TXn Pon PSEL TXon VDD PADRY 9 10 XTAL X1 10 368 MHz BATTERY 44 ON SWITCH KEYPAD Charge Pump ROWS COLUMNS CP3 0V CP4 0V 48 49 50 51 22 23 24 25 26 BBIC IC1 IC3 56 LCD B...

Page 12: ... 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 R56 R55 D22 CHARGE Base CHARGE Handset Q4 D7 F1 BATTERY Battery BATTERY R45 GND CHARGE Handset CHARGE Base 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 ...

Page 13: ...13 KX TG6521BXB KX TGA651BXB 4 5 Signal Route ...

Page 14: ...14 KX TG6521BXB KX TGA651BXB ...

Page 15: ...s 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 ...

Page 16: ...16 KX TG6521BXB KX TGA651BXB 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...

Page 17: ... in a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the computer system ID 00 02 00 06 Given value Bell length 02 18 64 10sec 3 1E 3 sec 14 2 sec This is time until bell stops ringing Unit 100 ms PULSE Dial speed 10PPS 20PPS 01 F8 28 40msec 3 19 20msec This is pulse make time Unit 1 ms 01 F9 3C 60msec 3 19 30msec This is pulse break time Unit 1 ms 02 07 57 8...

Page 18: ...18 KX TG6521BXB KX TGA651BXB 8 1 2 Handset ...

Page 19: ... cause serious damage to the handset Items Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Sending level 03 17 Adjusted value Given value 6F 00 2 Receiving level 03 18 Adjusted value Given value 00 3F 3 Battery Low 00 09 70 4 Frequency 00 08 00 07 02 70 ID 00 10 00 14 Given value Desired Number hex Input Keys Desired Number hex Input Keys 0 0 A...

Page 20: ...o the following procedures Note BS Base Unit HS Handset 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 Phonebo...

Page 21: ...se 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 ...

Page 22: ...he base unit and the registered handset which you did the following steps to are reset Other registered handsets will not be reset 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 to Note 2 The handset registration to the base unit is cancelled If the handset needs to be registered...

Page 23: ...oting Flowchart Flow Chart Cross Reference Check Power P 24 Bell Reception P 34 Check Battery Charge P 25 Check Link P 26 Check the RF part P 30 Check Handset Transmission P 33 Check Handset Reception P 33 Signal Route P 13 Check Caller ID P 33 Check TAM Operation P 34 ...

Page 24: ... 1 Base Unit Is the AC Adaptor inserted into AC outlet 1 Cross Reference Power Supply Circuit P 9 Note 1 Refer to Specifications P 6 for part number and supply voltage of AC Adaptor 9 1 1 2 Handset Cross Reference Power Supply Circuit Reset Circuit P 12 ...

Page 25: ...25 KX TG6521BXB KX TGA651BXB 9 1 2 Check Battery Charge 9 1 2 1 Base Unit Cross Reference Charge Circuit P 12 9 1 2 2 Handset Cross Reference Check Power P 24 Charge Circuit P 12 ...

Page 26: ...26 KX TG6521BXB KX TGA651BXB 9 1 3 Check Link 9 1 3 1 Base Unit Note 1 Refer to Troubleshooting by Symptom Base Unit P 35 Cross Reference Check Point Base Unit P 35 Power Supply Circuit P 9 ...

Page 27: ...27 KX TG6521BXB KX TGA651BXB Cross Reference Check Point Base Unit P 35 ...

Page 28: ...28 KX TG6521BXB KX TGA651BXB 9 1 3 2 Handset Note 1 Refer to Troubleshooting by Symptom Handset P 39 Cross Reference Check Point Handset P 39 Power Supply Circuit Reset Circuit P 12 ...

Page 29: ...29 KX TG6521BXB KX TGA651BXB Cross Reference Check Point Handset P 39 ...

Page 30: ...ing out the Defective part After All the Checkings or Repairing 1 Re register the checked Handset to the checked Base Unit and Regular HS to Regular BU Note If you need to register a handset refer to Registering a Handset to a Base Unit in the Operating Instructions ...

Page 31: ... 2 RF Check Flowchart Each item 1 3 of RF Check Flowchart corresponds to Check Table for RF part P 32 Please refer to the each item Note 1 Base unit refer to G of Check Point Base Unit P 35 Handset refer to H of Check Point Handset P 39 ...

Page 32: ...be checked to Regular BU 2 Press Talk key of the HS to establish link 2 X tal Frequency confirmation 1 Check X tal Frequency 1 10 368 MHz 100 Hz 1 Check X tal Frequency 2 10 368 MHz 100Hz 3 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 Regul...

Page 33: ... 5 Check Handset Transmission Cross Reference Signal Route P 13 9 1 6 Check Handset Reception Cross Reference How to Check the Handset Speaker or Receiver P 56 Signal Route P 13 9 1 7 Check Caller ID Cross Reference Signal Route P 13 ...

Page 34: ...lephone Line Interface P 10 Check Link P 26 How to Check the Handset Speaker or Receiver P 56 9 1 9 Check TAM Operation 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 Unit of Things to Do after Replacing IC or X tal P 53 ...

Page 35: ...k the current value 3 Adjust the 1 8V voltage of VDD1 executing command VDD XX XX is the value Q8 C75 C614 C61 IC7 C Charge Pump 2 5V Supply Confirma tion VDD5 1 Confirm that the voltage between test point VDD5 and GND is 2 5 V 0 3 V IC7 C625 C631 D Charge Pump 3 0V Supply Confirma tion VDD4 1 Confirm that the voltage between test point VDD4 and GND is 3 0 V 0 2 V IC7 C616 C630 E BBIC Confirmation...

Page 36: ...ic Slot 4 Mode Loopback PMID 00000 RF LEVEL 70 dBm 2 Execute the command sendchar TST 3 Execute the command sendchar dmv 2 2 4 Check that Signalling Status has been set to Locked then press ACCEPT RFPI 5 Initiate connection from Dect tester set up connect 6 Execute the command ANT1 7 Confirm that the NTP value at ANT is 19 0 dBm 25 0 dBm IC7 C802 C806 C808 C814 C820 C819 C822 C823 C825 C827 C826 C...

Page 37: ...861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R807 R106 R109 Q9 C617 O Timing Confirmation ANTI_TP Follow steps 1 to 6 of J 7 Confirm that the Timing accuracy is 5 0 ppm When adjust the frequency of CLK in item G 15 ppm When do not adjust the frequency of CLK in item G IC7 C802 C806 C808 C814 C820 C819 C822 C823 C825 C827 C826 C834 C851 C853 C859 C861 DA801 DA802 IC801 L801 L803 C855 C858 R801 R8...

Page 38: ...firm that the level is 22dBm 2 dBm and that the distortion level is 5 at Receiver 150Ω Load IC7 SA1 L1 L2 D3 Q3 Q4 R14 R15 R16 R17 D21 Q5 R19 R20 C14 C56 R117 R116 C141 R9 C22 C23 R Charging Check 1 Connect Charge Contact 12 Ω 2 W resistor between charge and charge 2 Measure and confirm voltage across the resistor is 3 3 V 0 3 V R55 R56 D22 D23 D24 C623 C624 S TAM Operation Confirmation 1 TAM Conf...

Page 39: ... C40 C45 F1 B 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 IC1 X1 RA61 R64 R66 C EEP ROM Confirmation 1 EEP ROM Confirmation Execute the command sendchar EPV 2 Confirm the returned Value Value for reference is written at EEPROM C SUM in Software_Version_Table xls IC1 IC3 RA40 C1...

Page 40: ... 100 Hz 4 If the frequency is not 10 368 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 10 368000 MHz 5 Hz Note 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 clear...

Page 41: ...the Level at Line I F and distortion level 4 Confirm that the level is 1 5 dB 2 dBm and that the distortion level is 5 at TEL Line 600Ω Load 5 Input 20dBm 600Ω 1kHz to Line I F Measure the Level at Receiver of Handset and distortion level Receive volume set to second position from minimum 6 Confirm that the level is 22 dBm 2 dBm and that the distortion level is 5 at Receiver 150Ω Load IC1 C12 C96 ...

Page 42: ... customer s line has less line loss ex The customer is using optical fiber ISDN terminal adaptor or PBX In this case receiving signal is strong and it may affect transmission 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 ...

Page 43: ...43 KX TG6521BXB KX TGA651BXB 10 Disassembly and Assembly Instructions 10 1 Disassembly Instructions 10 1 1 Base Unit ...

Page 44: ...44 KX TG6521BXB KX TGA651BXB ...

Page 45: ...45 KX TG6521BXB KX TGA651BXB 10 1 2 Handset ...

Page 46: ...46 KX TG6521BXB KX TGA651BXB 10 2 How to Replace the Handset LCD Note The illustrations are simplified in this page They may differ from the actual product ...

Page 47: ...ass 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 35 Preparation Serial JIG cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PNZZTG6521BX Note If you have the JIG Cable for TCD500 series PQZZ1CD505E change the following values of resistance Then you can use it as a JIG Cable for b...

Page 48: ...M 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 RFPI Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written hookoff Off hook mode on Base Type hookoff hookon On hook mode on Base Type hookon getchk Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 ...

Page 49: ...837 C169 C170 C136 C171 C52 CL1 C146 C150 C149 C145 C615 C75 C74 CLK C616 C630 C60 ANT2_TP ANT1_TP R24 R23 R20 R19 R18 R116 R87 R86 R429 R425 R424 R430 R426 R76 R40 R13 R35 R32 R75 R428 R427 LINE_DC CHG RED BLK RED RED WHT RED BLK BLK GRN YLW CHG SP DC L2R L1R L1T L2T IC421 TP10 TP15 TP15 sub TP16 TP16 sub RA80 JTAG RA1 D21 D27 D15 D16 D26 D24 D23 Q5 Q2 Q8 Q10 E E 1 4 GND_C GND2 UTX2 URX2 GND J101...

Page 50: ...IG Cable for TCD500 series 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 Cable 11 4 1 Connections Connect the DC Power or Battery to BATT and BATT Connect the JIG cable GND black to GND Connect the JIG cable UTX yellow to UTX and URX red to URX Note COM port names may vary depending on what y...

Page 51: ...on 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 RFPI Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written getchk 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 wri...

Page 52: ...13 RED BLK R E D B L K D14 D400 D7 D3 D4 Q401 POWER Q400 Q11 Q12 GND C580 C187 C186 C204 C827 C881 C819 C45 C46 C825 C809 C810 C861 C 8 0 8 C812 C806 C138 C139 C803 C805 C47 C822 C826 C820 C860 C182 C49 C50 C188 C12 C13 C11 C96 C18 C17 C97 C38 C35 C121 C150 C1 C2 C172 C75 C74 C3 X1 MIC R232 R55 SPEAKER R233 R806 R64 R28 R403 R404 R406 R407 R401 R215 R45 R74 R31 R6 R73 L801 L803 L46 L47 IC801 IC1 R...

Page 53: ...ading 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 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 TG6521EUXXrevYY bat 1 11 Clock adjustment Refer to...

Page 54: ...tach 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 checksum value is correct 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 TGA651BXDEFrevYY bat 3 11 Country version batch file Execute the command TGA...

Page 55: ...Frequency Drift 35 kHz ms Check Point Base Unit M RX Sensitivity 1000 ppm Check Point Base Unit N Timing Accuracy 5 0 ppm 15 0ppm Check Point Base Unit O Power RAMP Power RAMP is matching Check Point Base Unit P Item Value Refer to TX Power 19 dBm 25 dBm Check Point Handset I Modulation 370 30 370 30 kHz div Modulated width 690 kHz Check Point Handset J Frequency Offset 50 kHz 50 kHz Check Point H...

Page 56: ...ndset BASE UNIT HANDSET Channel No Transmit Frequency Receive Frequency Transmit Frequency Receive Frequency 1 1897 344 1897 344 1897 344 1897 344 2 1895 616 1895 616 1895 616 1895 616 3 1893 888 1893 888 1893 888 1893 888 4 1892 160 1892 160 1892 160 1892 160 5 1890 432 1890 432 1890 432 1890 432 6 1888 704 1888 704 1888 704 1888 704 7 1886 976 1886 976 1886 976 1886 976 8 1885 248 1885 248 1885 ...

Page 57: ... damage the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 12 1 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts ...

Page 58: ... the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 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 ...

Page 59: ...dering 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 followin...

Page 60: ...TGA651BXB 12 2 4 How to Install the Shield Case Note If you don t have special tools ex Hot air disordering tool conduct the following operations Shield case s No PNMC1013Z 1 Put the shield case 2 Solder the surroundings ...

Page 61: ...61 KX TG6521BXB KX TGA651BXB 12 3 Terminal Guide of the ICs Transistors Diodes and Electrolytic Capacitors 12 3 1 Base Unit 12 3 2 Handset ...

Page 62: ...62 KX TG6521BXB KX TGA651BXB Memo ...

Page 63: ...ken with voltmeter from the negative voltage line 2 The 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 The schematic diagram may be modified at any time with the development of new technology ...

Page 64: ...C806 VDD4 C163 NC GND GND JTAG 3p C860 GND GND R86 1 5 R87 1 5 220 RA80 1 2 3 4 C149 2 2n C150 2 2n 100p C823 GND C501 NC SW1 NC 1 2 R808 NC URX2 UTX2 GND2 GND 1 CE 2 SO 3 WP 4 VSS 5 SI 6 SCK 7 HOLD 8 VDD GND NC C423 1k RA501 1 2 3 4 5 6 7 8 1k R516 1k R511 C851 7p C853 7p GND Q25 R801 22k 1 5k R133 10p C811 10p C855 10p C809 10p C819 10p C812 10p C827 10p C825 10p C857 C516 10p C515 10p C513 10p ...

Page 65: ...5 D15 NC A K D16 NC A K R2 NC NC C2 Q3 Q2 R124 10 R12 10k R13 680 C12 NC 2 2k R17 NC C166 27k R24 D26 NC 1 VSS_LNA1 2 RF_RXp 21 CIDINp VREFp 3 RF_RXn 4 VSS_LNA2 5 RFP1 6 RFP0 7 REF_RES 8 AVS_XTAL 22 RINGp P3_7 23 RINGn P3_6 24 RINGOUT RINGING P3_5 25 PARADET P3_4 26 ADC0 P3_3 27 ADC1 INT0 P1_0 28 NTC ADC2 41 CP_C2y 42 CP_VOUT1 LED1 43 CP_VOUT2 LED2 44 PON P1_6 45 VDD1 46 P2_7 BXTAL 81 GND 9 XTAL2 ...

Page 66: ...KX TG6521 SCHEMATIC DIAGRAM Base Unit_Operation NC No Components 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ANS1 STOP ERASE MSG2 MSG1 RPT SKIP UP DOWN LOCAT INT MEG_LED KEYIN2 KEYS_B ANS_LED KEYS_E KEYS_C KEYIN1 2APVCC KEYIN3 KEYS_D LED902 RED A K LED901 RED A K LED903 NC A K ...

Page 67: ...67 KX TG6521BXB KX TGA651BXB Memo ...

Page 68: ...NC C138 NC C139 LED5 LED7 LED4 LED6 LED8 LED9 X1 10 368M 1 3 2 LED21 NC NC R249 1 VSS_LNA1 2 RF_RXp 21 CIDINp VREFp 3 RF_RXn 4 VSS_LNA2 5 RFP1 6 RFP0 7 REF_RES 8 AVS_XTAL 22 RINGp P3_7 23 RINGn P3_6 24 RINGOUT RINGING P3_5 25 PARADET P3_4 26 ADC0 P3_3 27 ADC1 INT0 P1_0 28 NTC ADC2 41 CP_C2y 42 CP_VOUT1 LED1 43 CP_VOUT2 LED2 44 PON P1_6 45 VDD1 46 P2_7 BXTAL 81 GND 9 XTAL2 10 XTAL1 11 AVD_XTAL 12 R...

Page 69: ...32 NC C204 NC R233 1k RA800 1 2 3 4 NC R236 NC C206 CN51 13 CAP1 CN51 14 VSS CN51 15 RES CN51 7 V0 CN51 9 VOUT CN51 4 SI CN51 5 SCL CN51 10 CAP2 CN51 8 VR CN51 3 CS CN51 11 CAP2 CN51 1 GND CN51 16 GND CN51 12 CAP1 CN51 2 RS CN51 6 VDD Q880 NC GND GND GND Power_adj NC C881 NC R880 2p C804 2p C802 1 5p C803 GND GND GND GND RECEIVER 1 2 SP PHONE_SPEAKER 1 2 J33p C107 10p C809 10p C811 10p C812 10p C8...

Page 70: ...70 KX TG6521BXB KX TGA651BXB Memo ...

Page 71: ...9 R56 R803 R805 R28 R27 R21 R22 R9 R10 R30 R124 R123 R511 R42 R14 L3 L801 L803 L1 IC801 SA1 D5 D6 D9 DA801 D22 D3 Q22 Q24 Q3 CN5 1 CN5 2 CN5 3 CN5 4 CN5 5 CN5 6 CN5 7 CN5 8 CN5 9 CN5 10 C156 C501 STM C29 C163 C51 C834 C87 C802 C 8 0 4 C 8 1 9 C809 C859 C851 C853 C166 C10 C9 C12 C6 C5 C7 X1 ANT_1 F1 ANT_2 R15 R31 R17 R16 R55 R43 R6 R109 R106 C306 C813 R5 R3 R8 R7 R4 R807 R93 R806 L802 L2 IC401 IC3 ...

Page 72: ... C167 C623 C626 C856 C858 C837 C169 C170 C136 C171 C52 CL1 C146 C150 C149 C145 C615 C75 C74 CLK C616 C630 C60 ANT2_TP ANT1_TP R24 R23 R20 R19 R18 R116 R87 R86 R429 R425 R424 R430 R426 R76 R40 R13 R35 R32 R75 R428 R427 LINE_DC CHG RED BLK RED RED WHT RED BLK BLK GRN YLW CHG SP DC L2R L1R L1T L2T IC421 TP10 TP15 TP15 sub TP16 TP16 sub RA80 JTAG RA1 D21 D27 D15 D16 D26 D24 D23 Q5 Q2 Q8 Q10 E E 1 4 GN...

Page 73: ...1BXB 14 2 Circuit Board Base Unit_Operation 14 2 1 Component View LED902 LED903 LED901 KX TG6521 31H TG8521H PNLB1751Z STOP SKIP ANS1 LOCAT INT DOWN MSG RPT UP ERASE A KX TG6521 CIRCUIT BOARD Base Unit_Operation Component View ...

Page 74: ...74 KX TG6521BXB KX TGA651BXB Memo ...

Page 75: ...K 1 8V R7 R30 F1 R2 R332 R331 R330 R3 R8 R4 L802 IC3 TP_ANT1 RA800 RA4 RA40 CP3 0V CP4 0V D22 D21 D13 RED BLK R E D B L K D14 D400 D7 D3 D4 Q401 POWER Q400 Q11 Q12 GND C580 C187 C186 C204 C827 C881 C819 C45 C46 C825 C809 C810 C861 C 8 0 8 C812 C806 C138 C139 C803 C805 C47 C822 C826 C820 C860 C182 C49 C50 C188 C12 C13 C11 C96 C18 C17 C97 C38 C35 C121 C150 C1 C2 C172 C75 C74 C3 X1 MIC R232 R55 SPEAK...

Page 76: ...View 1 2 PbF PNLB1734Y 12 1 3 SP R DOWN LEFT SOFT_A SOFT_B R52 R51 TGA250XX TGA251XX TGA403XX TGA650XX TGA651XX KX TGA650XX KX TGA651XX KX TGA250XX KX TGA251XX KX TGA403XX CN51 CN5 SOFT_C RIGHT TALK UP S1 4 5 6 7 MIC 8 9 LED4 LED7 LED12 LED21 LED22 LED23 LED1 LED2 LED3 LED8 LED6 LED9 LED5 0 A ...

Page 77: ...s List 15 1 Cabinet and Electrical Parts Base Unit Note 1 The SPACERs No 13 are cut from the excess parts of SPACER No 107 of Cabinet and Electrical Parts Handset P 78 17 16 A A Ref No Figure A 2 6 x 8 mm PCB1 PCB2 6 7 14 5 4 1 11 10 14 15 2 9 A 3 E1 8 12 13 1 13 1 E2 ...

Page 78: ...MH battery HHR 4DPA or HHR 4MRT is available through sales route of Panasonic 3 Attach the spacer No 119 to the exact location described above 102 103 104 E103 E105 E102 E101 1 110 105 106 112 B 101 108 E104 111 E106 B E107 MIC100 PCB100 107 114 115 118 2 117 120 119 3 B 116 113 Ref No Ǿ2 8 mm B Figure 109 Spacer No 119 Battery cover Put it in the center Stick it between ribs ...

Page 79: ...79 KX TG6521BXB KX TGA651BXB 15 3 Accessories A2 A1 ...

Page 80: ...039Y JACK MODULAR 3 K2ECYZ000001 JACK DC 4 L0AD02A00026 SPEAKER 5 PQHG10729Z RUBBER PARTS SPEAKER 6 PQHR11313Z GUIDE SPEAKER ABS HB 7 PNKE1055Z1 CASE CHARGE TERMINAL PS HB 8 PNJT1003Z CHARGE TERMINAL 9 PNBC1002Z2 BUTTON NAVIGATOR KEY ABS HB 10 PNHR1001Z GUIDE BUTTON PS HB 11 PNBC1001Z2 BUTTON MESSAGE AS HB 12 PNJK1075Z KEYBOARD SWITCH 13 PNYE1009Z SPACER ANTENNA 14 PNLA1030Z ANTENNA 15 PNKF1095Z1 ...

Page 81: ...008 680p C4 F1K2H681A008 680p C5 ECUV1C103KBV 0 01 Safety Ref No Part No Part Name Description Remarks C6 ECUV1C103KBV 0 01 C7 ECUV1C104KBV 0 1 C8 ECUV1C104KBV 0 1 C9 F1K2H681A008 680p C10 F1K2H681A008 680p C14 ECUE1C223KBQ 0 022 C19 ECUV1H102KBV 0 001 C22 PQCUV1A105KB 1 C25 ECUE1C103KBQ 0 01 C27 F2A1H100B132 10 C32 F2A1C1010119 100 C36 F2A1A3310040 330 C42 ECUV1C103KBV 0 01 C43 ECUV1C103KBV 0 01 ...

Page 82: ...EY ABS HB 109 PNJK1072F KEYBOARD SWITCH 110 PNHX1165Z COVER LCD SHEET 111 PNJT1027Z CHARGE TERMINAL L 112 PNJT1026Z CHARGE TERMINAL R 113 PQHR11315Z GUIDE SPEAKER ABS HB 114 L0AA02A00095 SPEAKER 115 PQHS10784Y SPACER SPEAKER NET 116 PQJC10056W BATTERY TERMINAL 117 PNKF1091Y1 CABINET COVER ABS HB 118 PNKE1052Z1 COVER RUBBER GRIP 119 PNHS1079Z SPACER BATTERY 120 PNKK1038Y1 LID BATTERY ABS HB Safety ...

Page 83: ...01JCQ 100p C104 F1G1H100A723 10p C105 ECUE1H101JCQ 100p C107 ECUE1H330JCQ 33p C113 ECUE1H100DCQ 10p C152 ECUE1H102KBQ 0 001 C172 ECUE1A104KBQ 0 1 C175 ECUV1C105KBV 1 C182 F1G1H3R0A480 3p C186 F1G1H2R0A480 2 0p C187 F1G1H2R0A480 2 0p C188 ECUE0J105KBQ 1 C331 ECUE0J105KBQ 1 C332 ECUE0J105KBQ 1 C341 ECUE1H390JCQ 39p C580 F1G1H100A723 10p C802 F1G1H2R0A480 2 0p C803 F1G1H1R5A480 1 5p C804 F1G1H2R0A480...

Page 84: ...84 KX TG6521BXB KX TGA651BXB T I KXTG6521BXB KXTGA651BXB ...

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