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3.8.2.

Circuit Board (Handset_Module)

[Added to original section “15.4. Circuit Board (Handset_Module)”]

3.8.2.1.

Component View

KX-TGEA20 MODULE BOARD (Handset (Component View)

3.8.2.2.

Bottom View

KX-TGEA20 MODULE BOARD (Handset (Bottom View)

C22

C29

C30

C31

C32

C33

C41

C43

C44

C45

C46

C47

C52

C53

C55

C56

C57

C59

C69

RA5

RA7

C98

C99

STM

C859

C860

C862

C863

C865

C866

JTAG

IC1

IC3

CP4V

R21

R22

R23

R24

R25

R26

RST

R61

C190

C191

C11

C12

C13

C14

C15

C16

IC4

RA4

PbF

REF-2

P N L B 2 4 3 1 Z *

T G D A / T G K A 3 x R 0

P N L B 2 4 3 1 Z *

T G D A / T G K A 3 x R 0

PbF

Содержание KX-TGE210B

Страница 1: ...B KX TGE240B KX TGE242B KX TGE243B KX TGE244B KX TGE245B KX TGE262S KX TGE263S KX TG454SK KX TGE272S KX TGE273S KX TGE274S KX TG484SK KX TGEA20B KX TGEA20S Digital Cordless Phone Digital Cordless Answering System Link to Cell Bluetooth Convergence Solution B Black Version S Silver Version T Black Metallic Version Supplement Please use this manual with the original service manual mentioned on the p...

Страница 2: ...er 8 3 3 2 Check Link 9 3 3 3 Check the RF part 10 3 4 Disassembly and Assembly Instructions 11 3 4 1 Handset 11 3 5 Measurements and Adjustments 12 3 5 1 Adjustment Standard Handset 12 3 5 2 Things to Do after Replacing X tal 13 3 6 Miscellaneous 14 3 6 1 Terminal Guide of the ICs Transistors and Diodes 14 3 7 Schematic Diagram 15 3 7 1 Schematic Diagram Handset_Main 15 3 7 2 Schematic Diagram Ha...

Страница 3: ...5SK KX TGEA20B KX TGEA20S U S A KM41401783CE TGE240B TGE242B TGE243B TGE244B TGE245B A to D TGE262S TGE263S C to D TGE272S TGE273S TGE274S TGE275S C to D TGEA20B TGEA20S A to D TG454SK C to D KX TG484SK U S A KM41506831SE C to D Reason for Change The following items 1 8 indicate the reason for change See the Notes column for each part in ORIGINAL AND NEW PARTS COMPARISON LISTS 1 Improve performanc...

Страница 4: ...nted Circuit Board P 17 and 3 9 Replacement Parts List P 20 for detail Suffix A B B Serial No Label Example Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix Cabinet and Electrical Parts Handset 118 PNQT2859Z PNQT3384Z LABEL BATTERY 1 c 8 Y 1 Main P C Board Parts Handset PCB100 PNWP1GEA20RY MAIN P C BOARD ASS Y RTL 1 c 8 Y 1 IC3 PNWITGEA20RY IC EEPRO...

Страница 5: ...Front End D A A D 35 37 21 22 17 18 34 33 32 24 44 45 73 63 64 77 76 ADPCM Codec Filter DSP Speech Decoding Speech Encoding BMC Burst Decoding ANT1 Burst Encoding RF PLL MOD DEMOD 1 2 87 86 RXn ANT1 RXp TXp TXn 7 8 XTAL X1 10 368 MHz BATTERY 46 ON SWITCH KEYPAD Charge Pump ROWS COLUMNS CP3V CP4V 55 57 58 59 60 11 12 13 14 62 47 48 51 53 QSPI IO 0 3 BBIC IC1 65 LCD BACK LIGHT KEY LED 61 79 80 78 NR...

Страница 6: ...T Q1 1 8 V IC1 44pin CP3V The Reset signal generates IC1 71 pin and 1 8 V 3 1 2 3 Charge Circuit Circuit Operation When charging the handset on the Base Unit the charge current is as follows DC 5 5 V R371 R372 D362 CHARGE Base CHARGE Handset Q3 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 char...

Страница 7: ...n a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the handset Items Address Default Data New Data Possible Adjusted Value MAX hex Possible Adjusted Value MIN hex Remarks Sending Level 07 F5 Adjusted value Given value FF D0 2 Receiving Level 07 F6 Adjusted value Given value FF D0 3 Battery Low 00 09 70 4 Frequency 00 07 00 08 70 02 ID 00 02 00 06 Given value ...

Страница 8: ...pply Circuit Reset Circuit Check BBIC IC1 Check F1 is not open Check X1 Is the voltage of BATT 2 3 V more 1 Check the battery and around BATT and BATT are not shorted Is the battery inserted BATT and BATT Does BBIC IC1 7 oscillate at 10 368 MHz YES YES YES YES NO NO YES Is the voltage of 1 8V about 1 8 V 1 Is the voltage of CP3V about 3 0 V 1 Check BBIC IC1 YES Is the voltage of CP4V about 4 0V 1 ...

Страница 9: ...wer Supply Circuit Reset Circuit Check BBIC IC1 Does Handset make link with Base Unit Correct working unit Check around X1 and adjust clock frequency 2 NO NO NO NO Is the voltage of 1 8V about 1 8 V 1 YES YES YES YES Is the voltage of CP3V about 3 0 V 1 Does the RF clock CKM oscillate 10 368 MHz in Handset Test Mode Handset is OK Check Base Unit YES OK Check the RF part NO NO Adjust 1 8V voltage t...

Страница 10: ...uency 10 368 MHz 41Hz Check X tal Frequency 10 368000 MHz 100 Hz 3 TX confirmation HS Mode HS_Burst Mode 1 BS Mode BS_Burst Mode 1 1 Remove wire antenna 2 and connect spectrum analyzer to TP 2 2 Confirm TX power whether spec is satisfied Power 13 5dBm 1 Connect spectrum analyzer to TP 3 2 Confirm TX power whether satisfied spec Power 16 0dBm 5 Range Confirmation Normal HS BU Mode Normal Mode 1 Reg...

Страница 11: ...he 2 charge terminals Remove the screw to remove the main P C board Cabinet body Cabinet cover 2 screws Cabinet cover BATT BATT C33 C39 ANT Short GND CHG Q10 Q11 Q12 C68 C69 C70 C71 RA2 C72 RA3 C73 C78 C79 C82 C83 C84 LED11 C86 LED12 C87 C91 C92 C93 C94 C1 C5 C6 Rcv Rcv URX RECEIVER ANT1_TP UTX MIC MIC BATT _ ANT Short BATT _ R500 L7 L9 VBAT L10 C113 CP3V R10 R11 R12 R13 R15 CP4V R20 Q2 Q3 Q4 Q6 Q...

Страница 12: ..._ R500 L7 L9 VBAT L10 C113 CP3V R10 R11 R12 R13 R15 CP4V R20 Q2 Q3 Q4 Q6 Q9 R32 R34 R2 R6 R7 R8 R9 R45 POWER R76 R77 CKM R90 CN4 R91 1 8V C15 C16 GND C19 MODULE D4 D3 D1 D2 C123 C122 C124 C125 C121 C120 VOL_DOWN VOL_UP S P E A K E R Green Orange REF 2 Orange Blue PNLB2541Z KX TGEA20xx PbF B 40 Oscilloscope AF VOLT METER 100 4 100 Oscilloscope AF VOLT METER DC VOLT METER MIC Load MIC MIC 47 47 OSC ...

Страница 13: ... default bat 9 Common batch file Execute the command TGEA20_US_DEF_RevXXX bat 2 10 Country version batch file Execute the command TGEA20_US_US_Rev107 bat 2 11 Confirm DECT ID written in the label pated plastic bag of FLASH rom 12 Write ID PFPI Write DECT ID Execute the command IDWRITE Refer to 11 2 3 Commands 2 Clock adjustment 3 Battery low confirmation as below Battery Low Confirmation 1 Apply 2...

Страница 14: ... 3 6 1 1 Handset Changed from original section 13 3 2 Handset Anode Cathode B3AFB0000370 C B E 1 4 8 5 PNWITGEA20RY B1ADGE000012 B1ABGE000011 DSA900100L 2SC6054JSL UNR9216J0L B3ACB0000190 Reverse View Anode Cathode C1CB00003837 1 Reverse View 1 67 88 23 44 22 66 45 89 pin GND ...

Страница 15: ...CD 11 V0 LCD 4 RST LCD 6 SCLK LCD 8 VDD1 GND C92 K1u CP3V LCD 10 VSS C91 K1u LCD 15 GND LCD 14 GND LCD 9 VDD LCD 13 VG LCD 5 A0 LED11 LED12 LED13 MIC MIC Rcv Rcv 1 8V C82 NC GNDA C84 NC L10 NC C87 K1000p C83 NC GND GNDA1 C16 K10u R90 NC GNDA1 GNDA1 C39 K1000p R91 10 GND L7 NC GND C86 NC R500 NC GNDA R34 100k R32 100k GND C33 K0 1u C94 K0 1u RA3 680 1 4 RA2 680 1 8 2 2 3 3 4 5 6 7 18 SP 19 GND_5 20...

Страница 16: ... RSTn 72 JTAG 73 P2_5 PCM_FSC SF RA5 3 3K VBAT VBAT RA7 820 RF_TXn RF_TXp RF_RXp C859 10p VBAT2 GND RF_RXn OJ1 OJ2 OJ3 OJ7 CP4V RF SHIELD PNMC1091ZA Z1 NC 1 2 6 7 9 11 3 4 8 10 5 12 STM RST C862 1 5p IC3 32K 1 A0 2 A1 6 SCL 7 WP 3 A2 8 VCC 4 VSS 5 SDA C31 68p C32 68p C863 1 8p GND C46 10pF KIN_1 URX VBAT STB_B CHG_DET SOCp KIN_3 REC HEADSET_DET UTX CP4V LCD_SID MIC STB_C MIC ANT SP GND LCD_SCL CHG...

Страница 17: ...9 C82 C83 C84 LED11 C86 LED12 C87 C91 C92 C93 C94 C1 C5 C6 Rcv Rcv URX RECEIVER ANT1_TP UTX MIC MIC BATT _ ANT Short BATT _ R500 L7 L9 VBAT L10 C113 CP3V R10 R11 R12 R13 R15 CP4V R20 Q2 Q3 Q4 Q6 Q9 R32 R34 R2 R6 R7 R8 R9 R45 POWER R76 R77 CKM R90 CN4 R91 1 8V C15 C16 GND C19 MODULE D4 D3 D1 D2 C123 C122 C124 C125 C121 C120 VOL_DOWN VOL_UP S P E A K E R Green Orange REF 2 Orange Blue PNLB2541Z KX T...

Страница 18: ...8 1 2 Bottom View KX TGE2xx CIRCUIT BOARD Handset_Main Bootom View NR 0 1 2 3 4 AST 5 6 7 8 9 LCD LED1 LED2 LED3 LED4 LED5 LED6 LED13 LEFT DOWN RIGHT SP OFF SHARP UP MIC SOFT_A SOFT_C FLASH TALK LED20 REF 1 ...

Страница 19: ...2 2 Bottom View KX TGEA20 MODULE BOARD Handset Bottom View C22 C29 C30 C31 C32 C33 C41 C43 C44 C45 C46 C47 C52 C53 C55 C56 C57 C59 C69 RA5 RA7 C98 C99 STM C859 C860 C862 C863 C865 C866 JTAG IC1 IC3 CP4V R21 R22 R23 R24 R25 Q1 R26 R1 RST R61 C190 C191 X1 C11 C12 C13 C14 C15 C16 IC4 RA4 PbF R E F 2 PNLB2431Z T G D A T G K A 3 x R 0 A PNLB2431Z T G D A T G K A 3 x R 0 A PbF ...

Страница 20: ...0p S C70 ECUE1H680JCQ 68p S C71 ECUE1H680JCQ 68p S C72 ECUE1H100DCQ 10p S C73 ECUE1H100DCQ 10p S C78 ECUE1H222KBQ 0 0022 S C79 ECUE1H222KBQ 0 0022 S C87 ECUE1H102KBQ 0 001 S C91 ECUV1C105KBV 1 S C92 F1G0J1050007 1 C93 ECUV1C105KBV 1 S C94 F1G1A1040006 0 1 C113 ECUE1H100DCQ 10p S C120 ECUE1H680JCQ 68p S C121 ECUE1H680JCQ 68p S C122 ECUE1H680JCQ 68p S C123 ECUE1H680JCQ 68p S C124 ECUE1H680JCQ 68p S ...

Страница 21: ...H100DCQ 10p S C99 ECUE1H100DCQ 10p S C190 F1G1A1040006 0 1 C191 F1G0J1050007 1 C859 ECUE1H100DCQ 10p S C860 F1G1H1R2A765 1 2p C862 F1G1H1R5A765 1 5p C863 F1G1H1R8A798 1 8p C865 ECUE1H100DCQ 10p S C866 F1G1A1040006 0 1 CRYSTAL OSCILLATOR X1 H0J103500038 CRYSTAL OSCILLATOR Safety Ref No Part No Part Name Description Remarks ...

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