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28

KX-TG8421BX/KX-TGA840BX

4.1.2.

Handset

4.1.2.1.

Main P.C.Board Parts

Safety

Ref. 

No.

Part No.

Part Name & Description Remarks

 

PCB100 PNWPGA840BXR MAIN P.C.BOARD ASS'Y

(RTL) 

IC1

C1CB00002906 IC (BBIC (FLASH))                  

IC3

PQWIA130EXRR IC (EEPROM)                        

IC801 C1CB00001842 IC                   

(TRANSISTORS)

Q2

B1ADGE000004 TRANSISTOR(SI)                

Q4

B1ADGE000004 TRANSISTOR(SI)                

Q7

UN9219J

TRANSISTOR(SI)                 S

Q9

2SC6054JSL

TRANSISTOR(SI)                

Q11

B1ADCF000161 TRANSISTOR(SI)

Q12

B1ADCF000161 TRANSISTOR(SI)

(DIODES)

D1

MA2YD2120L

DIODE(SI)                     

D7

B0JCME000035 DIODE(SI)                     

D21

MA8043M

DIODE(SI)

S

D22

MA8043M

DIODE(SI)

S

DA801 B0DDCD000001 DIODE(SI)
LED1

B3AEB0000124 LED

LED2

B3AEB0000124 LED

LED3

B3AEB0000124 LED

LED4

B3AEB0000124 LED

LED5

B3AEB0000124 LED

LED6

B3AEB0000124 LED

LED12 B3ACB0000216 LED
L801

G1C27NJ00010 COIL

L802

G1C3N6ZA0063 COIL                          

L803

G1C3N6ZA0063 COIL                          

F1

PQLQR2M5N6K

COIL                           S

RA1

D1H810240004 RESISTOR ARRAY

S

RA2

D1H410220001 RESISTOR ARRAY

RA4

D1H433220001 RESISTOR ARRAY

RA61

D1H422120001 RESISTOR ARRAY

D13

D4ZZ00000024 VARISTOR                      

D14

D4ZZ00000024 VARISTOR                      

CN3

K1MN18BA0111 CONNECTOR

CN4

K2HD103D0001 CONNECTOR

L9

J0JCC0000287 IC FILTER                     

L72

J0JCC0000276 IC FILTER                     

R308

J0JCC0000286 IC FILTER                     

R2

ERJ2GEJ392

3.9k

R6

ERJ2GEJ102

1k

R7

ERJ2GEJ122

1.2k

R8

ERJ2GEJ101

100

R12

ERJ2GE0R00

0

R20

ERJ2GEJ100

10

R22

ERJ2GEJ332

3.3k

R25

ERJ2GEJ222

2.2k

R27

ERJ2GEJ821

820

R28

ERJ2GEJ821

820

R30

ERJ3GEYJ273

27k

R32

ERJ2GEJ104

100k

R33

ERJ2GE0R00

0

R34

ERJ2GEJ104

100k

R40

ERJ2GEJ103

10k

R41

ERJ2GEJ103

10k

R42

ERJ2GEJ103

10k

R45

ERJ6RSJR10V

0.1

R50

ERJ2GEJ332

3.3k

R51

ERJ2GEJ471

470

R52

ERJ2GEJ221

220

R53

ERJ2GEJ332

3.3k

R54

ERJ2GEJ103

10k

R55

ERJ2GEJ102

1k

R63

ERJ2GEJ101

100

R64

ERJ2GEJ103

10k

R66

ERJ2GEJ102

1k

R71

ERJ3GEYJ820

82

R73

ERJ2GEJ820

82

R74

ERJ2GEJ820

82

R203

D0GA563ZA006 56k

R208

ERJ2GE0R00

0

R209

ERJ2GE0R00

0

R215

ERJ2GE0R00

0

R225

ERJ2GE0R00

0

R300

ERJ2GEJ271

270

R301

ERJ2GEJ271

270

R302

ERJ2GEJ271

270

R303

ERJ2GEJ271

270

R304

ERJ2GEJ271

270

R305

ERJ2GEJ271

270

R306

ERJ2GEJ101

100

R330

ERJ2GEJ105X 1M

R331

ERJ2GEJ273X 27k

R332

ERJ2GEJ273X 27k

R801

ERJ2GEJ681

680

R802

ERJ2GEJ101

100

R803

ERJ2GEJ102

1k

R804

ERJ2GEJ102

1k

R805

ERJ2GEJ470

47

R806

ERJ2GEJ221

220

R807

ERJ2GEJ221

220

L74

ERJ2GEJ100

10

C1

F2A0J3310067 330

C2

F2A0J3310067 330

C5

ECUE1A104KBQ 0.1

C10

ECUV1A225KB 2.2

C11

ECUE1A104KBQ 0.1

C12

PQCUV0J106KB 10

C13

ECUE1A104KBQ 0.1

C14

ECUE1C103KBQ 0.01

C16

PQCUV0J106KB 10

C17

ECUE1H100DCQ 10p

C18

ECUE1H100DCQ 10p

C27

ECUE0J105KBQ 1

C29

ECUV1H100DCV 10p

C33

ECUE1A104KBQ 0.1

C40

ECUE1A104KBQ 0.1

C43

ECUE1H100DCQ 10p

C44

ECUE1A104KBQ 0.1

C45

ECUE1A104KBQ 0.1

C46

ECUE1H100DCQ 10p

C47

ECUV1A105KBV 1

C49

ECUV1A105KBV 1

C50

ECUV1A105KBV 1

C51

ECUV1A105KBV 1

C52

PQCUV0J106KB 10

C53

PQCUV0J106KB 10

C54

ECUE1H100DCQ 10p

C55

ECUE1H100DCQ 10p

C70

ECUE1H100DCQ 10p

C71

ECUE1H100DCQ 10p

C72

ECUE1H100DCQ 10p

C73

ECUE1H100DCQ 10p

C74

ECUE1H100DCQ 10p

C75

ECUE1H100DCQ 10p

C82

ECUE1H471KBQ 470p

C83

ECUE1H100DCQ 10p

C86

PQCUV0J106KB 10

C96

ECUE1H100DCQ 10p

C97

ECUE1H100DCQ 10p

C100

F1H1E1050001 1

C101

ECUV1C105KBV 1

C102

ECUV1C105KBV 1

C110

ECUE1H102KBQ 0.001

C113

ECUE1H100DCQ 10p

C127

ECUE1H102KBQ 0.001

C152

ECUE1H102KBQ 0.001

C172

ECUV1C104KBV 0.1

C184

ECUE1H100DCQ 10p

C185

ECUE1H102KBQ 0.001

Safety

Ref. 

No.

Part No.

Part Name & Description Remarks

Содержание KX-TG8421BX

Страница 1: ...ic Communications Co Ltd 2009 Unauthorized copying and distribution is a viola tion of law Telephone Equipment Model No KX TG8421BX KX TGA840BX Digital Cordless Answering System for Middle Near East and Africa ...

Страница 2: ...oding BMC Burst 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 VUNREG 3 0V Reg IC1 2 4V Reg Q9 1 8V Reg Q8 3 0 V 2 4 V 1 8 V BBIC IC401 IC7 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 ANT1 ANT2...

Страница 3: ...ation 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 Temporar...

Страница 4: ...shown in Fig 101 The power supply is as follows DECT BBIC IC7 DC Jack 6 5 V D1 IC1 IC7 DC Jack 6 5 V D1 IC1 Q9 IC7 DC Jack 6 5 V D1 IC1 Q8 IC7 RF Power Amp IC801 DC Jack 6 5 V D1 IC1 IC801 Power AMP EEPROM IC401 DC Jack 6 5 V D1 IC1 IC7 IC401 FLASH MEMORY IC421 DC Jack 6 5 V D1 IC1 IC7 IC421 Charge Contact TP16 DC Jack 6 5 V D1 R56 R55 D22 TP16 Fig 101 ...

Страница 5: ...ck Diagram Base Unit P 2 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 ...

Страница 6: ...og Front End D A A D 33 35 15 16 19 20 18 28 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 IC801 Burst Encoding RF PLL MOD DEMOD 5 3 4 3 6 7 8 9 2 77 78 75 RXn RXon ANT 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 CP2 5V CP4 0V 48 49 50 51 22 23 24 25 26 B...

Страница 7: ... 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 6 5 V D1 R56 R55 D22 CHARGE Base CHARGE Handset Q4 D7 F1 BATTERY Bat tery 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 ...

Страница 8: ...8 KX TG8421BX KX TGA840BX 1 5 Circuit Operation Charger Unit 1 5 1 Power Supply Circuit The power supply is as shown ...

Страница 9: ...9 KX TG8421BX KX TGA840BX 1 6 Signal Route ...

Страница 10: ...10 KX TG8421BX KX TGA840BX ...

Страница 11: ...opment of new technology 2 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 2 1 3 Charger Unit Schematic Diagram Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line 2 The schematic d...

Страница 12: ...GND_C Q24 NC C504 NC GND NC C506 1 8V C837 NC CN5 10 CN5 9 CN5 8 CN5 7 CN5 6 CN5 5 CN5 4 CN5 3 CN5 2 CN5 1 1 5p C803 27n L801 DA802 1 2 3 DA801 1 2 3 10p C511 10p C512 10p C513 10p C514 10p C515 10p C516 C853 2p 1 8p C804 1 8p C802 Shield 1 2 3 4 5 6 3n L802 3n L803 GND C851 2p 10p C822 3 3p C805 3 3p C806 2 2p C810 2 2p C813 VDD4 C163 NC 10p C517 10p C518 10p C519 GND C520 NC GND JTAG 3p C860 GND...

Страница 13: ...13 KX TG8421BX KX TGA840BX Z Z Z Z Z Z Z Z Z Z b q Z Z v v Z Z Z Z Z Z Z Z ZZ Z Z ZZ q q b ...

Страница 14: ...3 Schematic Diagram Base Unit_Operation ANS1 1 2 STOP 1 2 ERASE 1 2 MSG2 1 2 MSG1 1 2 RPT 1 2 SKIP 1 2 UP 1 2 DOWN 1 2 LOCAT INT 1 2 LED902 A K LED901 A K MEG_LED KEYIN2 KEYS_B ANS_LED KEYS_E KEYS_C KEYIN1 2APVCC KEYIN3 KEYS_D PCB ...

Страница 15: ...15 KX TG8421BX KX TGA840BX Memo ...

Страница 16: ...X1 10 368M 1 3 2 LED1 LED5 LED6 LED2 LED3 LED4 Q4 270 R305 270 R302 270 R301 270 R300 270 R304 270 R303 GND C138 C139 D10p C29 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...

Страница 17: ...17 KX TG8421BX KX TGA840BX Z Z Z Z Z Z Z Z b Z b Z b Z b Z b Z Z b Z b Z b Z b Z b Z b Z b Z b Z b Z Z Z Z Z Z b Z b Z b q Z Z Z b b q bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb v q b 6 ...

Страница 18: ...18 KX TG8421BX KX TGA840BX 2 5 Schematic Diagram Charger Unit J1 2 1 TP3 G TP2 TP1 TP4 R1 10 D1 A K F1 SCHEMATIC DIAGRAM Charger Unit ...

Страница 19: ...19 KX TG8421BX KX TGA840BX 3 Printed Circuit Board 3 1 Circuit Board Base Unit_MAIN 3 1 1 Component View Z Z Z Z ...

Страница 20: ...20 KX TG8421BX KX TGA840BX 3 1 2 Bottom View Z Z Z Z Z Z b Z Z ...

Страница 21: ...21 KX TG8421BX KX TGA840BX 3 2 Circuit Board Base Unit_Operation 3 2 1 Component View Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z ...

Страница 22: ...22 KX TG8421BX KX TGA840BX Memo ...

Страница 23: ...23 KX TG8421BX KX TGA840BX 3 3 Circuit Board Handset 3 3 1 Component View Z Z Z Z Z Z Z Z Z Z Z Z Z ...

Страница 24: ...24 KX TG8421BX KX TGA840BX 3 3 2 Bottom View Z Z Z Z Z Z Z Z Z Z ...

Страница 25: ...harger Unit 3 4 1 Component View 3 4 2 Bottom View J1 R1 D1 A PQUP11532Z PbF PQLV30055 PQLV30056 CIRCUIT BOARD Charger unit Component View TP4 TP3 1 2 J1 D1 A F1 PbF PQLV30055 PQLV30056 PQUP11532Z CIRCUIT BOARD Charger unit Bottom View TP4 GND TP3 ...

Страница 26: ...81A008 680P C14 ECUE1E472KBQ 0 0047 C17 PQCUV1A225KB 2 2 C18 ERJ3GEYJ682 6 8k C22 PQCUV1A105KB 1 C23 ECJ0EB0J224K 0 22 S C25 ECUE1C103KBQ 0 01 C27 F2A1H100B132 10 C29 F1G1H5R0A480 5P C30 F1G1H5R0A480 5P C31 PQCUV1A225KB 2 2 C32 F2A1C1010119 100 C36 F2A1A3310040 330 C37 F1G1H5R0A480 5P C42 ECUV1C103KBV 0 01 C43 ECUV1C103KBV 0 01 C51 ECUE1A104KBQ 0 1 C52 ECUE1H821KBQ 820p C53 ECUE1H821KBQ 820p C54 E...

Страница 27: ...J104 100k R15 PQ4R10XJ272 2 7k S R16 ERJ2GEJ103 10k R17 ERJ2GEJ222 2 2k R18 ERJ2GEJ273X 27k R19 ERJ2GEJ822 8 2k R20 ERJ2GEJ392 3 9k R21 ERJ12YJ120 12 R22 ERJ12YJ270 27 R23 ERJ2GEJ104 100k R24 ERJ2GEJ473 47k R27 ERJ2GEJ104 100k Safety Ref No Part No Part Name Description Remarks R28 ERJ2GEYJ474 470k S R29 ERJ2GEJ121 120 R30 ERJ3GEYJ820 82 R31 ERJ3GEYJ821 820 R32 ERJ2GEJ823 82k R33 ERJ2GEJ102 1k R34...

Страница 28: ...J471 470 R52 ERJ2GEJ221 220 R53 ERJ2GEJ332 3 3k R54 ERJ2GEJ103 10k R55 ERJ2GEJ102 1k R63 ERJ2GEJ101 100 R64 ERJ2GEJ103 10k R66 ERJ2GEJ102 1k R71 ERJ3GEYJ820 82 R73 ERJ2GEJ820 82 R74 ERJ2GEJ820 82 R203 D0GA563ZA006 56k R208 ERJ2GE0R00 0 R209 ERJ2GE0R00 0 R215 ERJ2GE0R00 0 R225 ERJ2GE0R00 0 R300 ERJ2GEJ271 270 R301 ERJ2GEJ271 270 R302 ERJ2GEJ271 270 R303 ERJ2GEJ271 270 R304 ERJ2GEJ271 270 R305 ERJ2G...

Страница 29: ...61 F1G1H3R0A480 3p C862 F1G1HR50A480 0 5p C863 ECUE1H100DCQ 10p C864 ECUE1H100DCQ 10p MIC100 L0CBAY000032 MICROPHONE E101 L5DYDYY00003 LIQUID CRYSTAL DISPLAY E102 PQLZ11015Z BACKLIGHT UNIT E103 PNMC1013Z CASE MAGNETIC SHIELD ABS HB E104 PNLA1020Z ANTENNA E105 PNVE1002Z BATTERY TERMINAL E106 PNJE1022Z SPECIAL SWITCH X1 H0J103500034 CRYSTAL OSCILLATOR SW1 K0C115A00007 SEESAW SWITCH Safety Ref No Par...

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