Panasonic KX-TG6841B Service Manual Download Page 94

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KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B

16.5.3.

Charger Unit

16.5.3.1. Cabinet and Electrical Parts

16.5.4.

Accessories and Packing Materials

Note:

(*1) You can download and refer to the Operating
Instructions (Instruction book) on TSN Server.

16.5.4.1. KX-TG6841B

16.5.4.2. KX-TG6842B

16.5.4.3. KX-TG6843B

16.5.4.4. KX-TG6844B

16.5.4.5. KX-TG6845B

16.5.4.6. KX-TG6873B

16.5.4.7. KX-TGA680B

C46

ECUE1H100DCQ

10p S

C51

ECJ1VB0G106M

C52

ECUE1H100DCQ

10p

C53

ECUE1H120JCQ

12p

C56

ECUE0J105KBQ

C57

ECUE0J105KBQ

C58

ECUE0J105KBQ

C68

ECUE0J105KBQ

C69

ECUE1A104KBQ

0.1

C70

ECUE1H680JCQ

68p

C71

ECUE1H680JCQ

68p

C79

ECUE1H101JCQ

100p

C80

ECUV1C393KBV

0.039

C90

ECUE1A104KBQ

0.1

C91

ECUV1C105KBV

C92

ECUE0J105KBQ

C96

ECUE1H100DCQ

10p

C97

ECUE1H100DCQ

10p

C801

F1G1H2R0A765

C802

ECUE1H100DCQ

10p

C807

F1G1H2R0A765

C808

F1G1H1R3A765

1.3p

C809

F1G1H1R5A765

1.5p

C810

ECUE1H150JCQ

15p S

(OTHERS)

MIC100 L0CBAY000053

MICROPHONE

E101

L5DYBYY00001

LIQUID CRYSTAL DISPLAY
(*3)

E102

PNHR1756Z

TRANSPARENT PLATE, LCD PMMA-HB

E103

PNHR1755Z

GUIDE, LCD

ABS-HB

E104

PNHX1618Z

COVER, LCD SHEET

E105

PQHG10729Z

RUBBER PARTS, RECEIVER

E106

PNVE1011Z

BATTERY TERMINAL ABS-HB

E107

PNJT1141Z

CHARGE TERMINAL (L)

E108

PNJT1140Z

CHARGE TERMINAL (R)

CN4

K2HD103D0001

JACK

K5H252Y00002

FUSE

H0J138500003

CRYSTAL OSCILLATOR (*2) S

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

200

PNLC1040ZB

CHARGER UNIT ASS'Y with-

out NAME PLATE (RTL)

200-1

PNKM1477Z1

CABINET BODY

PS-HB

200-2

PNJT1146Z

CHARGE TERMINAL

200-3

PNKF1279Z1

CABINET COVER

PS-HB

200-4

PQHA10023Z

RUBBER PARTS, FOOT CUSH-
ION

200-5

PNLV233-AZ

AC ADAPTOR

201

PNGT7141Z NAME PLATE

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

PNLV226Z

AC ADAPTOR

PQJA10075Z

CORD, TELEPHONE

PNQX5760Z

INSTRUCTION BOOK

(*1)

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

PNPK3633001Z

GIFT BOX

PNPD1710Z

CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A101

PNLV226Z

AC ADAPTOR

A102

PQJA10075Z

CORD, TELEPHONE

A103

PNQX5760Z

INSTRUCTION

BOOK

(*1)

A104

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

P101

PNPK3634001Z

GIFT BOX

P102

PNPD1711Z

CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A201

PNLV226Z

AC ADAPTOR

A202

PQJA10075Z

CORD, TELEPHONE

A203

PNQX5760Z

INSTRUCTION

BOOK

(*1)

A204

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

P201

PNPK3635001Z

GIFT BOX

P202

PNPD1712Z

CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A301

PNLV226Z

AC ADAPTOR

A302

PQJA10075Z

CORD, TELEPHONE

A303

PNQX5760Z

INSTRUCTION

BOOK

(*1)

A304

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

P301

PNPK3636001Z

GIFT BOX

P302

PNPD1713Z

CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A401

PNLV226Z

AC ADAPTOR

A402

PQJA10075Z

CORD, TELEPHONE

A403

PNQX5760Z

INSTRUCTION

BOOK

(*1)

A404

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

P401

PNPK3637001Z

GIFT BOX

P402

PNPD1714Z

CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A501 PNLV226Z AC ADAPTOR

A502 PQJA10075Z CORD, TELEPHONE

A503 PNQX5760Z INSTRUCTION

BOOK

(*1)

A504 PNQX5778Z INSTRUCTION BOOK, MINI-

LOCATOR GUIDE (ENG/FRE/
SPA)

A505 PNQW3546Z LEAFLET,

MINI-LOCATOR

BATTERY

A506 PNKE1268Z1 HANGER, BELT CLIP

ABS-HB

P501 PNPK3635007Z

GIFT BOX

P502 PNPD1776Z CUSHION

Safety

Ref.

No.

Part No.

Part Name & Description

Remarks

A601

PNQX5772Z

INSTRUCTION

BOOK

(*1)

A602

PNKE1268Z1

HANGER, BELT CLIP

ABS-HB

P601

PNPK3638001Z

GIFT BOX

P602

PNPD1715Z

CUSHION

Summary of Contents for KX-TG6841B

Page 1: ...et KX TGA680 KX TG6841 6871 Base Unit KX TGA20 Charger Unit Model No Base Unit Handset Charger Unit Key detector Expandable KX TG6841 1 TG6841 1 TGA680 Up to 6 KX TG6842 1 TG6841 2 TGA680 1 Up to 6 KX TG6843 1 TG6841 3 TGA680 2 Up to 6 KX TG6844 1 TG6841 4 TGA680 3 Up to 6 KX TG6845 1 TG6841 5 TGA680 4 Up to 6 KX TG6873 1 TG6841 3 TGA680 2 1 Up to 6 KX TGA680 1 TGA680 1 Configuration for each mode...

Page 2: ...by in the Schematic Diagrams Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer IMPORTANT INFORMATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture o...

Page 3: ... Deregistering a Handset 44 10 1 9 Check Handset Transmission 45 10 1 10 Check Handset Reception 45 10 1 11 Check Caller ID 45 11 Disassembly and Assembly Instructions 46 11 1 Disassembly Instructions 46 11 1 1 Base Unit 46 11 1 2 Handset 48 11 1 3 Charger Unit 49 11 2 How to Replace the Base Unit LCD 50 11 3 How to Replace the Handset LCD 52 12 Measurements and Adjustments 53 12 1 Equipment Requi...

Page 4: ...cal Parts Charger Unit 83 16 4 Accessories and Packing Materials 84 16 4 1 KX TG6841B 84 16 4 2 KX TG6842B 85 16 4 3 KX TG6843B 86 16 4 4 KX TG6844B 87 16 4 5 KX TG6845B 88 16 4 6 KX TG6873B 89 16 4 7 KX TGA680B 90 16 5 Replacement Parts List 91 16 5 1 Base Unit 91 16 5 2 Handset 93 16 5 3 Charger Unit 94 16 5 4 Accessories and Packing Materials 94 16 5 5 Screws 95 16 5 6 Fixtures and Tools 95 ...

Page 5: ...be replaced 3 FASTON terminals shall be plugged straight in and unplugged straight out 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...

Page 6: ...ent 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 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 2 2 1 Suggested PbF Solder There are several types of PbF solder available commercially While this p...

Page 7: ...its Up to 24 digits Phonebook Standby Approx 0 8 W Maximum Approx 3 6 W 0 C 40 C 32 F 104 F 20 80 relative air humidity dry Approx 178 mm 115 mm 101 mm Approx 340 g Rechargeable Ni MH battery AAA R03 size 1 2 V 400 mAh Super Heterodyne PLL synthesizer Quadrature Discriminator 13 824 MHz 100 Hz Frequency Modulation 40 bit Tone DTMF Pulse Up to 48 digits Up to 24 digits Phonebook 8 days at Standby 1...

Page 8: ... communication is performed Handset doesn t make up duplex in no free RF channels because of interference 1 Dummy Bearer Base unit sends Dummy data to the all stand by state handsets Handsets receive that data for synchronization and monitoring request from the base unit Base unit doesn t send Dummy bearer in no free RF channels because of interference 1 Note 1 It is a feature under FCC 15 regulat...

Page 9: ... demodulates it to digital data RXDATA BBIC IC1 converts RXDATA into a voice signal and outputs it to speaker Transmission Handset A voice signal from microphone is encoded to digital data and converted into a 1 9GHz modulated radio signal by BBIC IC1 The RF signal after which is amplified in BBIC is fed to an antenna Base unit As for a base unit RF RF signal is received in two antennas BBIC IC501...

Page 10: ...INUSE DETECT 2 INUSE DETECT 1 RECEIVE AMP DCIN 1 DCIN 2 IC302 VCCPA VBAT_APU VBAT VCC_FE VCC_IF VCC_VCO DCINS CHARGE_DET 3 0V DOUBOUT SCL SDA WP VDD ANS_LED SP_LED IC601 FLASH MEMORY IC611 EEPROM MEMORY KEYS LCD R151 R152 R131 R133 Q171 VBAT DL CS MSG_LED LCD_BLT KEY 1 MIP MIN 6 KEY A E CS CD SID SCL RST SPOUTN SPOUTP 3 0 V REGULATOR Power supply at AC failure CLK DO STM CKM R371 R372 Q701 Q702 CH...

Page 11: ...1B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 4 3 Block Diagram Base Unit_RF Part KX TG6841 6842 6843 6844 6845 6873 BLOCK DIAGRAM Base Unit_RF Part DA802 ANT2 ANT1 RXp RXn ANT2 ANT1 TXp TXn ...

Page 12: ... Pre recorded message The BBIC implements synthesized Voice utilizing the built in speech detector and a Flash Memory which stored the vocabulary Caller ID demodulation The BBIC implements monitor and demodulate the FSK DTMF signals that provide CID information from the Central Office Digital Switching The voice signal from telephone line is transmitted to the handset or the voice signal from the ...

Page 13: ... analog part is insulated from VBAT by Doubler of BBIC Circuit Operation 5 5V VBAT RSTN Reset pin 54 VBAT pin 10 pin 57 pin 9 pin 15 IC501 IC302 IC601 BBIC DOUBLER OUT For peripherals VDDC 1 2V AC Adaptor 3 0V REGULATOR FLASH IC611 EEPROM 3 0V STM CKM Receive Amp RF Part Q661 LCD BLT ANS LED MSG LED SP LED Startmonitor IC501 57pin VDDC 1 2 V VBAT Reset RSTN IC501_54 pin BBIC chip initialize CKM ST...

Page 14: ...41B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 4 4 4 1 Charge Circuit The voltage from the AC adaptor is supplied to the charge circuits D362 R372 R371 D361 CHARGE F301 DCP CHARGE 5 5V DCM ...

Page 15: ...nal flow is the DC current flow T D101 Q141 Q161 R163 D101 P101 R ON HOOK Circuit Q141 is open Q141 is connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an on hook condition Pulse Dial Circuit Pin 6 of BBIC turns Q141 ON OFF to make the pulse dialing Side Tone Circuit Basically this circuit prevents the TX signal from feeding back to RX signal As for t...

Page 16: ...he voltage is monitored at pin 17 of IC501 There is no parallel connection if the voltage is 0 54 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook When off hook the voltage is monitored at pin 18 of IC501 the presence absence of a parallel connection is determined by detecting the voltage changes If the Auto disconnect f...

Page 17: ... signal which is modulated in an FSK Frequency Shift Keying format Data 1 is a 1200 Hz sine wave and data 0 is a 2200 Hz sine wave There are two types of the message format which can be received i e the single message format and plural message format The plural message format allows to transmit the name and data code information in addition to the time and telephone number data Also the telephone ...

Page 18: ... TX route Then FSK data and MARK data pass the following route Telephone Line P101 C121 C122 R121 R122 IC501 25 24 If the unit deems that a telephone connected in parallel is in use ACK is not returned even if CAS is received and the information for the second and subsequent callers is not displayed on the portable handset display CAS CAS CPE Alerting Signal Dual Tone of 2130 Hz 2750 Hz 15 dBm 900...

Page 19: ...OUTN CKM STM CKM STM BBIC RESET CHG_CTL BATTERY_ON CHG_DET WP CLK DATA KEYSTOROBE_A E KEYIN_1 5 CHARGE MIC Receiver Headset Jack CN431 Monitor SP LCD CHARGE PUMP IC4 KEYS RF part ANT1 X1 13 824 MHz EEPROM 3V BATTERY LED LCD RSTN VBAT VBAT 3V 4 0V VBAT RXn RXp TXp TXn KX TGA680 BLOCK DIAGRAM Handset KEY_LED CP_OFF Q6 LED KEY 4V CHARGE CONTROL POWER SUPPLY CONTROL ...

Page 20: ...20 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 4 6 Block Diagram Handset_RF Part KX TGA680 BLOCK DIAGRAM Handset_RF Part RXp RXn ANT TXp TXn ...

Page 21: ...Setting data is stored e g ID user setting 4 7 2 Power Supply Circuit Reset Circuit Circuit Operation When powering on the Handset the voltage is as follows BATTERY 2 2 V 2 6 V BATT F1 BBC1 IC1 10 pin The Reset signal generates IC1 54 pin and 1 8 V Start monitor IC1 57pin VDDC 1 2 V VBAT Reset RSTN IC1_54 pin BBIC chip initialize CKM STM GND BATTERY 2CELL BBIC 3 0V 3 0V DOUBLER OUT Charge Pump For...

Page 22: ...Q9 of Handset Refer to Fig 101 in Power Supply Circuit Reset Circuit P 13 4 7 4 Battery Low Power Down Detector Circuit Operation Battery Low and Power Down are detected by BBIC which check the voltage from battery The detected voltage is as follows Battery Low Battery voltage V Batt 2 35 V 50 mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt 2 1 V 50 mV The BBIC...

Page 23: ...the units during the power failure supplying power to VBAT of base unit from battery of handset through Q10 CHG terminal and Q351 4 9 Circuit Operation Charger Unit Charge control is executed at handset side so that the operation when using charger is also controlled by handset Refer to Circuit Operation Handset P 21 The route for this is as follows DC pin of J1 CHARGE pad Handset CHARGE pad DC pi...

Page 24: ...HANDSET TX HANDSET RX HEADSET TX HEADSET RX HANDSET SP Phone TX HANDSET SP Phone RX SIGNAL ROUTE IN ROUTE OUT GREETING RECORDING GREETING PLAY TO TEL LINE ICM RECORDING ICM PLAY TO SPEAKER DTMF SIGNAL TO TEL LINE CALLER ID BELL DETECTION HANDSET MIC C11 13 RA4 IC1 22 23 HANDSET_RF_TX_ROUTE ANT IC601 IC501 73 74 28 C184 Q161 Q141 D101 P101 T R TEL LINE T R TEL LINE P101 D101 Q141 R165 R177 C173 Q17...

Page 25: ...F part signal route SIGNAL ROUTE IN 㸢㩷 ROUTE 㸢㩷 OUT HANDSET RF TX_ROUTE HANDSET RF RX_ROUTE BASE UNIT RF TX_ROUTE BASE UNIT RF RX_ROUTE IC1 44 45 C802 C808 ANT ANT C808 C801 IC1 46 47 IC501 44 45 C819 C872 DA802 ANT1 ANT2 ANT1 ANT2 DA802 C872 C895 IC501 46 47 Note inside of Handset ...

Page 26: ...d 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 ...

Page 27: ...tion beep will be heard 8 Press to return to standby mode After that turn the base unit power off and then power on Note To enter Set dial mode press SELECT or at Set tel line It is necessary to turn on the power of base unit 6 Enter 㧖㧖 New Data 1 4 Select Write EEP using or then press SELECT or V Default Data New Data Phonebook V V Initial setting V Set tel line V Set dial mode Select Set tel li...

Page 28: ...to the table below Items Address Default Data New Data Remarks Frequency 00 07 00 08 00 01 Use these items 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 Desired Number hex Input Keys Desired Number hex Input Keys 0 0 A Flash 0 1 1 B Flash 1 C Flash 2 D Flash 3 E Flash 4 9 9 F Flash 5 ...

Page 29: ...ter ٨ ٨ ٨ ٨ Address 1 7 Press OK a long confirmation beep will be heard 8 Press to return to standby mode After that remove and reinsert the batteries Press the Power button for about 1 second if the power is not turned on 6 Enter 㧖㧖 New Data 1 4 Select Write EEP using or then press SELECT or V OFF Default Data New Data V Service Mode Read EEP Write EEP Set Addr _ _ _ _ _ _ Set Addr Set Addr Ring...

Page 30: ... 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 Battery Low 00 12 00 13 00 00 2 Frequency 00 07 00 08 00 01 ID 00 02 00 06 Given value Desired Number hex Input Keys Desired Number hex Input Keys 0 0 A Flash 0 1 1 B Flash 1 C Flash 2 D Flash 3 E F...

Page 31: ...B KX TG6873B KX TGA680B 9 Service Mode 9 1 How to Clear User Setting Handset Only Handset Press simultaneously until a beep sound is heard Then single handset is initialized The contents of user setting are reset to factory default Usage time is not cleared ...

Page 32: ...n be recorded this symptom can not reappear with TEL simulator in the service center In this case try to change the Auto disconnect activation time and Vox level How to change the Auto Disconnect activation time and VOX level P 35 item A and B Power ON Base Unit OK FLOW CHART Check Power OK Playback Pre Message Check Playback Record OK Check Record Range Check the RF part Handset Voice Transmissio...

Page 33: ...nserted into AC outlet 1 Is output voltage of AC adaptor 5 5 V YES Check AC Adaptor Check VDDC 1 2 V Test Point VDDC OK Check Power Supply Circuit NO NO NO NO RSTN Reset High YES Check Reset Circuit Check Xtal CLK 13 824 MHz YES Check X501 Check BBIC Check Power Supply Circuit Reset Circuit Check X1 C52 C53 Is the voltage of TP 3 0 V about 3 0 V Is the voltage of TP VBAT 2 3 V more Check the batte...

Page 34: ...arallel Connection Detect Circuit Auto Disconnect Circuit P 16 Note Flash Memory is IC601 BBIC is IC501 Check Bell signal OK Check Telephone Line Interface Bell Does the unit catch line YES Check Telephone Line Interface OFF HOOK Check Line In Pin 16 of BBIC Check ICM Recording in Signal Route NO OK Check Auto Disconnect Circuit OK Check Parallel Connection Detection Circuit OK Check BBIC and Flas...

Page 35: ...procedures below 1 Press MENU key at standby Mode and key Note The set must power on and be linked 2 Press 9 0 0 0 3 Press 7 3 1 4 Then enter the below last digit 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Service ready 7 3 1 Service ready LCD H S last digit 0 Auto disconnect CPC enable 㨇default㨉 1 1 Auto disconnect CPC disable 2 1 2 Auto...

Page 36: ... raising the sensitivity of VOX level Therefore the recording of TAM is not turned off during detection 1 2 are same as A 3 Press 5 1 1 4 Then enter the below last digit 5 Back to standby mode automatically after step 4 You can hear beep sound which is a confirmation tone Service ready 5 1 1 last digit 0 default setting normal 1 6dB up CLEAR ...

Page 37: ...k Power Supply Circuit Check output of BBIC Pin 29 31 OK Check BBIC and Flash Memory Check Speaker and its surroundings NO NO Check Charge Circuit of Base Unit Check Handset Plug in the AC Power source Charge Handset on Base Unit Is the voltage of two charge contacts about 3 V or more OK NO Check Charge Contacts at Base Unit from mechanical point of view YES Is BBIC IC1 34 high at charge state Che...

Page 38: ...the command SFR then check the TP_CKM IC501 57pin To adjust frequency send command SFR until the frequency counter becomes13 824 MHZ 55HZ Check around Power Supply Circuit Does Base Unit connect to the properly working Handset Check around X501 and RF module and adjust clock frequency NO NO NO NO YES YES Is the voltage of VBAT about 3 0 V Check the RF part Does the RF clock CLK oscillate at 13 824...

Page 39: ... TP_CKM IC1 57pin To adjust frequency send command SFR until the frequency counter becomes13 824 MHz 55HZ Check around Power Supply Circuit Reset Circuit Does Handset link with Base Unit Properly working unit Check around X1 and RF module and adjust clock frequency NO NO NO NO Is the voltage of TP VBAT about 2 2 2 8 V Is the voltage of TP VDDC about 1 2 V YES YES YES YES Is the voltage of TP 3 0 V...

Page 40: ...S 1 and Regular BU 2 2 a Re register regular HS Normal mode to base unit to be checked If this operation fails in some ways the base unit is defective b Re register handset to be checked to regular BU Normal mode If this operation fails in some ways the handset is defective Base unit is defective Handset is defective START Registration of Regular HS to base unit Registration of handset to Regular ...

Page 41: ...le for RF part P 42 Please refer to the each item Note 1 Refer to Check Link P 38 Start Link confirmation Normal 1 Control signal confirmation X tal Frequency confirmation TX confirmation Range confirmation Normal TEST RANGE Check Check BBIC interface parts RF Block BBIC on BU HS P C B Adjust X tal Frequency 1 Check TX Block GOOD 5 2 3 4 OK OK OK NG NG NG NG NG OK OK ...

Page 42: ...n HS BU Mode Adjustment Check X tal Frequency 13 824000 MHz 100 Hz Check X tal Frequency 13 824000 MHz 100 Hz 3 TX confirmation HS Mode HS_Burst Mode 1 BS Mode BS_Burst Mode 2 1 Remove wire antenna 2 and connect spectrum analyzer to TP 3 2 Confirm TX power whether spec is satisfied Power 14 5dBm 1 Connect spectrum analyzer to TP 4 2 Confirm TX power whether satisfied spec Power 16 0dBm 4 Range Con...

Page 43: ...ccording to CHART1 3 At distance of about 20m between HS and BU Link OK TX Power of the HS is OK No Link TX Power of the HS is NG Range Confirmation RX TEST RX sensitivity check HS BU setting Checked unit High TX power 1 Regular unit Low TX power 1 1 Register Regular HS to BU to be checked 2 Set TX Power of the BU and the Regular HS according to CHART1 3 At distance of about 20m between HS and BU ...

Page 44: ...ss LOCATOR again to stop then repeat this step The next step must be completed within 90 seconds 3 Handset Press OK then wait until a long beep sounds Note While registering Base in registering is displayed on all registered handsets When you purchase an additional handset refer to the additional handset s installation manual for registration L OFF A handset can cancel its own registration to the ...

Page 45: ...ling Line Identification Caller ID Call Waiting Caller ID P 17 Note Make sure the format of the Caller ID service of the Telephone company that the customer subscribes to It is also recommended to confirm that the customer is really a subscriber of the service Check MIC of handset Check handset Tx in Signal Route Check speaker of handset Check handset Rx in Signal Route YES Did bell ring Message i...

Page 46: ...80B 11 Disassembly and Assembly Instructions 11 1 Disassembly Instructions 11 1 1 Base Unit Cabinet cover Solders 5 screws Main P C board Pararell wire Ԙ Remove the 5 screws to remove the cabinet cover ԙ Remove the solders Ԛ Remove the pararell wire to remove the main P C board ...

Page 47: ...842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 2 screws Jack holder Operational P C B board 4 screws ԛ Remove the 2 screws to remove the Jack holder Ԝ Remove the 4 screws to remove the operational P C B board ...

Page 48: ...the cabinet cover then pull it along the gap to open the cabinet Likewise open the other side of the cabinet Remove the cabinet cover by pushing it upward Remove the solders Remove the solders to remove the 2 charge terminals Remove the screw to remove the main P C board Cabinet cover Cabinet body Cabinet cover 2 screws Screw Solders Main P C board 2 charge terminals ...

Page 49: ...49 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 11 1 3 Charger Unit 2 charge terminals Ԙ Unhook the click of one side ԙ Then unhook the other one ...

Page 50: ...ing Iron Part No PQZZ430PIR Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron New LCD Operational P C B 0 2mm 0 2mm If interval tolerance between center lines is less than 0 2 mm it is o k Horizontal Interval Tolerance Vertical Interval Tolerance OK NG NG NG Horizontal interval tolerance is more than 0 2 mm Vertical interval tolerance is more than 0 2 m...

Page 51: ...51 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B Ԛ ԛ Attach the LCD and fix by hook A two points Solder the wires A A ...

Page 52: ...on the P C board is not damaged Fit the heatseal of a new LCD Heatweld with the tip of the soldering iron about 5 to 8 seconds in case of 60W soldering iron 0 2 mm 0 2 mm P C board New LCD Tip of Soldering Iron Part No PQZZ430PIR Rubber of Soldering Iron Part No PQZZ430PRB If interval tolerance between center lines is less than 0 2 mm it is o k Horizontal Interval Tolerance Vertical Interval Toler...

Page 53: ... to precisely adjust like a mass production 12 2 The Setting Method of JIG Preparation Serial JIG cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PNZZTG6841M 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 both TCD300 and TCD500 series It is an upper compatible JIG Cable 12 2 1 C...

Page 54: ...r 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 your PC calls it DC Power or Battery 2 GND black 3 To Serial Port com port 1 JIG Cable PC URX red 3 UTX yellow Handset P C board 1 BATT BATT GND UTX URX ...

Page 55: ...ey 䊶If any error messages appear change the port number or 䇭check the cable connection 䊶If any value appear go to next step 7 Type DOSKEY then press the Enter key Example C Documents and Settings D D CD PNZZTG D PNZZTG SET_COM X D PNZZTG READID 00 52 4F A8 A8 D PNZZTG DOSKEY D PNZZTG Example error happens C Documents and Settings D D CD PNZZTG D PNZZTG SET_COM X D PNZZTG READID ޓ CreateFile error ...

Page 56: ...dchar RST 4 getchk Read checksum Type getchk 5 sendchar epw Write EEPROM Type sendchar epw 03 F2 04 WW XX YY ZZ WW XX YY ZZ is 4 byte data that already read from same address wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written Command name Function Example rdeeprom Read the data of EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to F...

Page 57: ...111 R112 R113 R114 R505 R121 R122 D472 D473 R321 R322 R331 R332 R142 R145 C301 C111 C112 C113 R151 R152 C120 C121 R351 C122 R352 C123 C124 R354 R161 R355 R163 C513 C321 C322 C133 R171 R172 R175 C521 RA611 R176 R177 C331 R371 R372 R373 C151 C152 C351 C352 C163 C168 RA451 RA452 C171 C173 D113 C175 C176 C178 C181 C184 C185 C186 IC302 D133 D153 D361 D362 ANT2 S GND ANT2 Short ANT1 S GND ANT1 Short L1T...

Page 58: ...0 C9 TCK TDI F1 TDO SP PHONE_SPEAKER ANT Short D13 D14 L3 L4 L8 IC3 IC4 TMS R21 R22 R23 R24 R25 R26 Q2 R27 Q3 R28 Q4 Q6 Q9 R31 R32 R33 R1 R2 R3 R4 CKM STM R6 R7 R8 R9 R45 R66 R67 R68 R69 R70 CN4 X1 C10 C11 C13 C14 C15 C16 C17 C18 BAT BAT RESET RSTN ATSTN ATSTP CD OTP CS VDDC SCL VBAT_MON CHG_CUR SID CHG_DET CHG_CTRL SPM SPP URX UTX MIC MIC VBAT GND C803 C804 L802 Q10 Q11 Q12 C 8 0 5 C 8 0 6 C2 C3 ...

Page 59: ...The Setting Method of JIG P 53 Items How to download Required adjustment EEPROM IC611 Adjusted parameter data is stored in memory country version batch file default batch file etc 1 Change the address 0001 of EEPROM to AA to download the data 2 Default batch file Execute the command default bat 3 Country version batch file Execute the command TG6841US_US_RevXXX_YYY bat 1 4 Clock adjustment X tal X...

Page 60: ... country version batch file default batch file etc 1 Default batch file Execute the command default bat 2 Default batch file remaining Execute the command TGA680US_DEF_RevXXX_YYY bat 2 3 Country version batch file Execute the command TGA680US_US_RevXXX_YYY bat 2 4 Clock adjustment 5 2 35 V setting and battery low detection X tal X1 System clock 1 Apply 2 6V between BATT and BATT with DC power 2 In...

Page 61: ...G6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 12 6 Frequency Table Ch hex TX RX Frequency MHz Channel 0 00 1928 448 Channel 1 01 1926 720 Channel 2 02 1924 992 Channel 3 03 1923 264 Channel 4 04 1921 536 ...

Page 62: ...o replace the IC efficiently choose the right sized nozzle of the hot air desoldering tool that matches the IC package Be careful about the temperature of the hot air desoldering tool not to damage the PCB and or IC 13 1 3 How to Remove the IC 1 Heat the IC with a hot air desoldering tool through the P C Board 2 Pick up the IC with tweezers etc when the solder is melted completely Note Be careful ...

Page 63: ... place the IC Note When placing the IC the positioning should be done very carefully 3 Heat the IC with a hot air desoldering tool through the P C Board until the solder on IC bottom is melted Note Be sure to place it precisely controlling the air volume of the hot air desoldering tool 4 After soldering confirm there are no short and open circuits with visual inspection Solder Soldering Iron P C B...

Page 64: ...ould overheat and 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 6 13 2 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2...

Page 65: ...ins Check the accuracy of 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 13 2 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Page 66: ... PNWI2TG6841H DSC7003S0L Cathode Anode B0ECKM000008 B0EDER000009 Cathode Anode B0DDCD000001 3 2 1 4 C0DBEYY00102 ψ ψ B1ACGP000008 DA2J10100L DY2J25000L Anode Cathode B3AAB0000347 Cathode Anode C2HBCY000126 1 88 67 23 44 22 66 45 Reverse View 1 3 2 4 5 6 1 4 8 5 PNWITGA680R Anode Cathode B0BC4R3A0006 C0DBZYY00357 C B E B1ADCF000040 DRC9113Z0L 2SC6054JSL B1ADNB000003 C2HBCY000124 1 88 67 23 44 22 66...

Page 67: ...agrams may be modified at any time with the development of new technology 14 1 2 Handset Schematic Diagram Handset_Main Notes 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams may be modified at any time with the development of new technology Important Safety Notice Components identified by mark have special characteristics important for sa...

Page 68: ...ND ANT2 12 ANT1 12 Q654 R654 680 R651 680 R652 680 VBAT R666 NC C892 5p C891 5p Q651 Q652 RA653 100 1 2 3 4 5 6 7 8 R665 820 5 5V R663 NC R664 NC C515 1u Q661 Q663 NC Q662 R661 39 C897 NC C819 10p RXp C896 NC RXn L804 NC TXp C895 2p GND TXn GND VBAT GND L803 2 7n GND C894 10p C893 10p GND ANT2 Short ANT2 S GND GND ANT1 S GND GND ANT1 Short R503 10k R506 10k R502 10k R504 10k SHORT1 SHORT2 SHORT3 S...

Page 69: ...355 680 Q351 R701 3 3k RA451 2 2k 1 2 3 4 RA452 2 7k 1 2 3 4 RA151 1k 1 2 3 4 Q352 Q353 5 5V R351 33k R352 6 8k C342 0 1u C506 1u C181 NC C184 1u C510 1u R114 47k R509 NC C163 NC C341 1000u 6 3 C344 1000u 6 3 D101 1 4 3 2 Q701 C507 2 2u C513 2 2u IC611 128K EEPROM 1 A0 2 A1 6 SCL 7 WP 3 A2 8 VCC 4 GND 5 SDA C101 680p C102 680p C121 680p C122 680p R163 39 R152 130k R176 1k C176 1u R175 3 9k R172 68...

Page 70: ...A K C912 10p C902 1u 16V R906 33 CELL2 SOFT_C SOFT_R CELL1 SOFT_L 1 6 8 9 3 0 5 2 4 7 HOLD SP PHONE REDIAL LOCAT STOP FLASH S N A E S A R E LCD_SIO LCD_VDD LCD_GND LCD_BLT LCD_SCL LCD_CD LCD_RST LCD_CS ANS_LED MEG_LED SP_LED MICN MICP CELL1_LED G CELL2_LED G KEYS_F KEYIN2 KEYIN3 KEYS_B KEYS_A KEYS_C KEYIN4 KEYIN1 KEYIN5 KEYIN6 KEYS_D KEYS_E VLED MIC 1 2 1 1 15 13 13 13pin TG6841 TG7871 13pin TG684...

Page 71: ...71 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 14 4 Schematic Diagram Base Unit_LED LED KX TG6841 6842 6843 6844 6845 6873 SCHEMATIC DIAGRAM Handset_LED ...

Page 72: ...tery_ON R19 200k CHG R20 100k Battery_ON C30 1u C29 1u TALK OFF NR CN3_C 5 A0 CN3_C 3 CS1 CN3_C 9 VDDA CN3_C 1 GND CN3_C 10 VSS CP3V CN3_C 11 V0 CN3_C 4 RES CN3_C 7 SI GND C91 K1u 16V C92 K1u CN3_C 8 VDD CN3_C 2 OTP_PWR CN3_C 6 SCL CN3_C 12 GND TCK TDO TDI GND_J TMS GND UTX GND URX VBAT BAT BAT VBAT C10 NC RA3 330 CHG_CTRL SOFT_A SOFT_C RTCK ATSTN ATSTP CD CHG_CUR CHG_DET CS OTP RESET RSTN SCL SID...

Page 73: ... 10p GND RXp GND TXn RXn ANT Short STAR5 STAR7 STAR8 STAR9 GND L802 NC GND C803 NC C804 NC C806 NC C805 NC GND SHORT1 ANT Short GND R81 NC SHORT2 GND GND GND GND SHORT3 C807 2p C808 1 3p GND GND C72 NC C73 NC C71 68p C70 68p GND GND C809 1 5p C810 15p C801 2p R34 390 C12 10u 1608 MIC POWER RECEIVER RECEIVER Speakerphone_SP Speakerphone_SP MIC MIC RF BLOCK Headset_RECEIVER Tx balun SL W 0 3 L 40mm ...

Page 74: ...74 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B Memo ...

Page 75: ...C669 L501 Q141 C891 C892 C893 C894 C895 Q161 C896 C897 R115 R501 R509 R701 R702 R510 R511 R131 R133 GAP1 C101 C102 R141 C115 C501 C502 C503 C504 C505 C506 C507 C508 C509 R160 R162 R164 C510 R165 C511 X501 C515 C516 C517 C518 C519 C132 DA802 C520 C522 C142 C341 C342 C343 C344 C161 D101 C164 C167 RA651 RA652 RA653 IC501 L803 L804 D142 D143 Q651 Q652 R502 R503 R504 R506 R168 C871 C872 C873 C874 KX TG...

Page 76: ... R152 C120 C121 R351 C122 R352 C123 C124 R354 R161 R355 R163 C513 C321 C322 C133 R171 R172 R175 C521 RA611 R176 R177 C331 R371 R372 R373 C151 C152 C351 C352 C163 C168 RA451 RA452 C171 C173 D113 C175 C176 C178 C181 C184 C185 C186 IC302 D133 D153 D361 D362 ANT2 S GND ANT2 Short ANT1 S GND ANT1 Short L1T L1R TCK TDI TDO TMS DCM DCP RSTN VDDC STM CKM P15 RTCK SPN SPP VBAT 3 0V VREF VCCA CHARGE CHARGE ...

Page 77: ...3 6 9 LOCAT MSG SP PHONE LED901 LED902 LED904 DOWN CELL1 CELL2 R906 STOP C901 C902 FLASH RPT ERASE SKIP HOLD UP MIC SOFT_C SOFT_L SOFT_R ANS LED911 LED912 C912 KX TG6841 6842 6843 6844 6845 6873 CIRCUIT BOARD Base Unit_Operation Component View PNLB2165Z ޓ IG TG787xH㧛TG784xH TG684xH PbF A KX TG6841 6842 6843 6844 6845 6873 CIRCUIT BOARD Handset_LED Component View PNLB1964Z PbF IG ...

Page 78: ...78 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B Memo ...

Page 79: ...ER ANT Short D13 D14 L3 L4 L8 IC3 IC4 TMS R21 R22 R23 R24 R25 R26 Q2 R27 Q3 R28 Q4 Q6 Q9 R31 R32 R33 R1 R2 R3 R4 CKM STM R6 R7 R8 R9 R45 R66 R67 R68 R69 R70 CN4 X1 C10 C11 C13 C14 C15 C16 C17 C18 BAT BAT RESET RSTN ATSTN ATSTP CD OTP CS VDDC SCL VBAT_MON CHG_CUR SID CHG_DET CHG_CTRL SPM SPP URX UTX MIC MIC VBAT GND C803 C804 L802 Q10 Q11 Q12 C 8 0 5 C 8 0 6 C2 C3 R10 R11 R12 R13 R19 R20 HAK_CL1 RF...

Page 80: ...6844B KX TG6845B KX TG6873B KX TGA680B 15 4 2 Bottom View CN3_C 0 1 3 2 4 AST 5 6 7 8 9 LED1 LED3 LED2 LED4 LED5 LED6 L E D 2 0 LEFT DOWN FLASH RIGHT NR SP OFF SHARP UP MIC SOFT_A SOFT_C TALK KX TGA680 CIRCUIT BOARD Handset_Main Bottom View A ...

Page 81: ...d View and Replacement Parts List 16 1 Cabinet and Electrical Parts Base Unit Note 1 This cable is fixed by heat sealing Refer to How to Replace the Base Unit LCD P 50 Ref No Figure A 2 6 x 8mm 1 14 A 15 16 2 3 1 4 5 6 A A 11 7 12 8 9 10 13 PCB2 PCB1 A 18 19 20 19 E1 1 E2 E4 E3 A MIC1 17 21 ...

Page 82: ...i MH battery HHR 4DPA is available through sales route of Panasonic 3 Attach the SPACER No 118 to the exact location described above Ref No 2 8 mm B Figure CUSHION RUBBER STICK IT WITHIN THE FRAMEWORK ON P C B 105 101 105 106 107 E101 1 E102 E104 E105 121 B E103 E106 E107 102 103 104 MIC100 E108 PCB100 108 112 113 109 110 111 116 114 115 118 3 117 2 119 120 B Spacer No 118 Battery cover Put it in ...

Page 83: ...83 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 3 Cabinet and Electrical Parts Charger Unit 200 200 1 200 2 200 3 200 4 200 2 200 5 201 ...

Page 84: ...84 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 Accessories and Packing Materials 16 4 1 KX TG6841B A3 P2 P2 P2 P2 P2 P2 A2 A1 A4 P1 ...

Page 85: ...85 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 2 KX TG6842B A103 P102 P102 A101 A102 A104 P101 1 P102 Note 1 This pad is a piece of Ref No P101 GIFT BOX ...

Page 86: ...86 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 3 KX TG6843B A203 P202 A204 A202 P201 P202 P202 P202 P202 P202 P202 A201 ...

Page 87: ...87 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 4 KX TG6844B A303 P302 P302 A302 A301 A304 P301 P302 P302 P302 P302 P302 ...

Page 88: ...88 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 5 KX TG6845B P402 P402 A401 P401 P402 P402 P402 A402 A404 A403 P402 P402 P402 ...

Page 89: ...89 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 6 KX TG6873B P502 P502 A501 P501 P502 A502 A506 A503 A504 A505 P502 P502 P502 P502 ...

Page 90: ...90 KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B 16 4 7 KX TGA680B Note 1 This pad is a piece of Ref No P601 GIFT BOX P601 P602 1 A602 A601 ...

Page 91: ... ERS Fusible Resistor ERF Cement Resistor 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 Wattage Type Voltage Of Capacitor 10 16 1 8W 14 25 1 4W 12 1 2W 1 1W 2 2W 3 3W Voltage ECQ Type ECQG ECQV Type 05 50V 1 100V 2 200V ECSZ Type 0J 6 3V 1A 10V 1C 16V 1E 25 25V 1V 35V 50 1H 5...

Page 92: ...105KBV 1 C178 ECUV1C333KBV 0 033 C184 ECUV1C105KBV 1 C321 ECUV1C105KBV 1 C341 F2G0J102A148 1000 C342 ECUE1A104KBQ 0 1 C344 F2G0J102A148 1000 C351 ECUV1C105KBV 1 C451 PQCUV0J106KB 10 S C457 ECUE1C333KBQ 0 033 S C458 ECUE1C333KBQ 0 033 S C459 ECUE1H102KBQ 0 001 S Safety Ref No Part No Part Name Description Remarks C501 ECUE1A104KBQ 0 1 C502 ECJ1VB0G106M 10 S C503 ECJ1VB0G106M 10 S C504 ECUE0J105KBQ ...

Page 93: ...IODES D13 B0BC4R3A0006 DIODE SI D14 B0BC4R3A0006 DIODE SI LEDS LED1 B3ACB0000190 LED LED2 B3ACB0000190 LED LED3 B3ACB0000190 LED LED4 B3ACB0000190 LED LED5 B3ACB0000190 LED LED6 B3ACB0000190 LED LED20 B3AFB0000561 LED COIL L801 G1C2N7Z00009 COIL RESISTOR ARRAYS RA2 D1H83314A013 RESISTOR ARRAY S RA3 EXB24V331J RESISTOR ARRAY RA4 EXB24V332JX RESISTOR ARRAY RA5 EXB28V332JX RESISTOR ARRAY IC FILTER L3...

Page 94: ... FOOT CUSH ION 200 5 PNLV233 AZ AC ADAPTOR 201 PNGT7141Z NAME PLATE Safety Ref No Part No Part Name Description Remarks A1 PNLV226Z AC ADAPTOR A2 PQJA10075Z CORD TELEPHONE A3 PNQX5760Z INSTRUCTION BOOK 1 A4 PNKE1268Z1 HANGER BELT CLIP ABS HB P1 PNPK3633001Z GIFT BOX P2 PNPD1710Z CUSHION Safety Ref No Part No Part Name Description Remarks Safety Ref No Part No Part Name Description Remarks A101 PNL...

Page 95: ...Handset LCD See How to Replace the Handset LCD P 52 T I N KXTG6841B KXTG6842B KXTG6843B KXTG6844B KXTG6845B KXTG6873B KXTGA680B Safety Ref No Part No Part Name Description Remarks A XTB26 8GFJ TAPPING SCREW B XTB2 8GFJ TAPPING SCREW Safety Ref No Part No Part Name Description Remarks PQZZ1CD300E JIG CABLE 1 PNZZTG6841M BATCH FILE CD ROM 1 PQZZ430PIR TIP OF SOLDERING IRON 2 PQZZ430PRB RUBBER OF SOL...

Page 96: ...6873B KX TGA680B KX TGA20B Digital Cordless Answering System B Black Version for U S A TABLE OF CONTENTS PAGE 1 REPLACEMENT PARTS LIST 2 1 1 REFERENCE CHART 2 1 2 ORIGINAL AND NEW PARTS COMPARISON LISTS 2 Supplement 1 Please file and use this supplement manual together with the service manual for Model No KX TG6841B KX TG6842B KX TG6843B KX TG6844B KX TG6845B KX TG6873B KX TGA680B KX TGA20B Order ...

Page 97: ...meet approved specification 4 Standardization 5 Addition 6 Deletion 7 Correction 8 Other Ref No Part No Part Name Description Pcs Set Remarks Notes Time of Change Original Old New Suffix Cabinet and Electrical Parts Base Unit 21 PNGT7139Z PNGT7733Z NAME PLATE for KX TG6841 6842 6843 6844 6845 6873B Made in China 1 m 8 V 21 PNGT7857Z NAME PLATE for KX TG6845B Made in Malaysia 1 c 5 V Cabinet and El...

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