Panasonic KX-TCD430GC Service Manual Download Page 42

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Items

Adjustment

Point

Procedure*

Check

(M)

RSSI Level

Confirmation

Follow steps 1 to 3 of (H) above.

4. Set DECT tester power to -88dBm.
5. Execute the command "readrssi".
6. Confirm: 25 < returned value < 43 (hex) (0x34 ± F (hex))

IC2,IC3,L1,

C75,C69,C48,

C67,C76,C57,

DA1,R66,R67,

R78,R79,C54,

(N)

Receive Audio

Check and

Adjustment

ANT

1. Configure the DECT tester (CMD60) as follows;

<Setting>

-Test mode: FP

-Mode: Normal

-PMID: 0000

2. Execute the command "testmode".

3. Initiate connection from DECT tester.

4. Execute the command "hookoff".

5. Execute the command "openau".

6. Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600 .

7. Set line voltage to 48V and line current to 40mA.

8. Connect DECT tester to Tel-simulator.

9. Input audio signal (200mVrms/1kHz tone) to Tel-simulator.

<DECT tester setting>

-Scramble: On

-AF Gen to ADPCM: Off

-AF Meter Input: ADPCM

-AF Gen Frequency: 1000Hz

-AF Gen Level: 200mVrms

10. Confirm hearing tone: 300mVrms ± 100mVrms

11. Adjust audio level if required. (Make sure current value using "getmicgain". And then

execute the command "setmicgain xx", where xx is the value.)

12. Confirm that the B-field audio distortion with DECT tester is < 5 %.

IC2,C21,R31,

R18,R16,D3,

R7,R8,Q3,

D2,C1,C2,

L1,C43,C78,

C48,C72,C66,

C57,C73,L3,

DA1,R66,

R67,C55,C56,

C54,C58,C86,

Summary of Contents for KX-TCD430GC

Page 1: ...ORDER NO KM40312313C2 Telephone Equipment KX TCD430GC KX TCD430GF KX TCD432GC KX TCD432GF KX A143EXC KX A143EXF Digital Cordless Phone Dark Blue Version Light Blue Version for Germany SPECIFICATIONS 1 ...

Page 2: ...cussing 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 although with some precautions standard Pb solder can also be used Caution PbF solder has a melting point that is 50 F ...

Page 3: ... layered boards please check the component side for excess which may flow onto the opposite side See the figure below 1 1 Suggested PbF Solder There are 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 manufac turer s specific instruction...

Page 4: ...mark is subject to change without notice 1 2 3 Charger Unit PCB Note The location of the PbF mark is subject to change without notice 2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on th...

Page 5: ...the manufacture s Instructions 4 BATTERY 4 1 Battery Installation 1 Insert the batteries negative terminal first 2 Close the battery cover Note Use only rechargeable P03P Ni MH P03H Ni Cd batteries 4 2 Battery Charge Place the handset on the base unit for about 7 hours before initial use When the batteries are fully charged flashes When charging the battery icon is shown as follows 5 ...

Page 6: ...ned on automatically when it is placed on the base unit Note for Service 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 above you will get a correct indication of the battery strength 4 3 Battery Life After your Panasonic batteries are fully charged you can exp...

Page 7: ...nic batteries HHR 4EPT BA2 P03P Use only rechargeable batteries If you install non rechargeable batteries and start charging the batteries may leak electrolyte Do not mix old and new batteries Use only 2 nickel metal hydride Ni MH batteries or 2 nickel cadmium Ni Cd batteries Do not mix battery types Ensure that the correct battery type is selected 1 Press the notch on the cover firmly and slide i...

Page 8: ...5 LOCATION OF CONTROLS 5 1 Base Unit 5 2 Handset 8 ...

Page 9: ...ould be taken that objects do not fall onto and liquids are not spilled into the unit Do not subject this product to excessive smoke dust mechanical vibration or shock Environment Do not use this product near water This product should be kept away from heat sources such as radiators cookers etc It should also not be placed in rooms where the temperature is less than 5 C or greater than 40 C The AC...

Page 10: ...C adaptor must remain connected at all times It is normal for the adaptor to feel warm during use Use only the AC adaptor PQLV19CEZ 6 1 2 Charger Unit The AC adaptor must remain connected at all times It is normal for the adaptor to feel warm during use Use only the AC adaptor PQLV200CEZ 6 2 Ringer Volume 6 2 1 Base Unit 10 ...

Page 11: ...se Unit For Service Hint If the current 4 digit PIN is forgotten press and you will be able to enter new PIN 6 3 2 Handset For Service Hint If the current 4 digit PIN is forgotten press and you will be able to enter new PIN 6 4 Reset 11 ...

Page 12: ...c 80 200 700 msec Pause Timing 3 seconds 3 seconds 5 seconds Call Restricted Handsets All Clear Each Handset can be set indivisually Call Restriction Numbers All Clear Up to 10 numbers up to 8 4 Digit Base Unit PIN 0000 ARS Setting OFF ON OFF Carrier Code All Clear Area Code All Crear Relation of Area Code All Area Code to Carrier Code 1 1 to 5 6 4 2 Handset Note Phonebook entries will not be eras...

Page 13: ...ck OFF Base No Handset Talk Mode Display Length of the Call Talk Time Phone No Display Language German 10 languages Call BAR OFF OFF ON Direct Call Mode OFF OFF ON Direct Call Number Clear Up to 24 digits 4 Digit Handset PIN 0000 Auto Talk OFF OFF ON Redial Memory All Clear Handset Receiver Volume 1 1 to 3 6 5 Key Lock The dial keys can be locked so that no calls can be made Only incoming calls wi...

Page 14: ...s to be restricted per handset If a restricted number is dialled the call will not be connected and the restricted number will flash on the display For example storing an area code will prevent a handset from dialling a long distance call 6 9 Cancelling a Restricted Number 6 10 Setting Call BAR This feature prohibits making outgoing calls When call bar is turned on only intercom calls and emergenc...

Page 15: ...Resetting the Handset to its Default Settings Note Phonebook entries will not be erased The battery type setting will not be reset 6 12 Setting Flash Earth Mode Select either flash mode or earth mode to suit your PBX or service provider If you select earth mode an earth relay must be installed For further information consult your nearest Panasonic service centre 15 ...

Page 16: ...on you must store the carrier codes you use store the area codes you want to assign to a specific carrier code assign a carrier code to each stored area code Contact your telephone carrier s for calling rates Example You have assigned area code 123 to carrier code 9876 If you dial 123 4567 the unit dials 9876 123 4567 6 13 1 Storing Carrier Codes Store the carrier codes of the telephone carriers y...

Page 17: ...o Carrier Codes Assign a carrier code to each area code that you stored This determines which carrier code is used for calls made to each area code you stored 6 13 4 Automatic Route Selection On Off 7 DISPLAY 7 1 Handset Display 17 ...

Page 18: ... this unit will display caller information How Caller ID is displayed The unit will display the calling party s phone number after the first ring You can view the caller information of the last 50 different callers When new calls have been received the display will show the number of new calls The number of new calls will be cleared after viewing all caller information Example 4 new calls have bee...

Page 19: ...er information either no information or will be displayed The display will not show caller information while using the handset for an intercom call However the caller information will be stored 7 3 Before Requesting Help Troubleshooting If you still have difficulties after following the instructions in this section disconnect the AC adaptor and turn off the handset then reconnect the AC adaptor an...

Page 20: ...8 OPERATIONS 8 1 Turning the Power On Off 20 ...

Page 21: ...n 8 3 Redialling 8 3 1 Making a Call Using the Redial List The last 10 phone numbers dialled are stored in the redial list 8 3 2 Redialling the Last Number Dialled 8 4 Phonebook Up to 20 phone numbers can be stored in the phonebook for quick access 8 4 1 Storing Phone Numbers and Names 21 ...

Page 22: ...8 4 2 Storing a Number from the Caller ID List into the Phonebook 8 4 3 Storing a Number from the Redial List into the Phonebook 22 ...

Page 23: ...8 4 4 Hot Key Quick Dial Note The number erased from a hot key will not be deleted from the phonebook 8 5 Registering a Handset to a Base Unit 23 ...

Page 24: ...8 6 Selecting a Base Unit 9 DISASSEMBLY INSTRUCTIONS 9 1 Base Unit 24 ...

Page 25: ...Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 9 2 Handset 25 ...

Page 26: ...Shown in Fig To Remove Remove 3 Rear Cabinet Screws 2 10 B 2 4 Rear Cabinet Follow the procedure 5 Main P C Board Screw 2 8 C 1 Screws 2 8 D 2 Main P C Board 9 3 Charger Unit 26 ...

Page 27: ...Shown in Fig To Remove Remove 6 Lower Cabinet Screws 2 6 14 E 2 7 Main P C Board Main P C Board 10 ASSEMBLY INSTRUCTIONS 10 1 Warning When Constructing the Base Unit 10 2 Processing of Ringer Lead 27 ...

Page 28: ...11 TROUBLESHOOTING GUIDE Flow Chart 28 ...

Page 29: ... Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception SIGNAL ROUTE 11 1 Check Power 11 1 1 Base Unit Is the AC Adaptor inserted into AC outlet Check AC Adaptor s specification Cross Reference 29 ...

Page 30: ...BIC is IC2 11 1 2 Handset Cross Reference Power Supply Circuit Reset Circuit Note BBIC is IC1 11 2 Check Battery Charge 11 2 1 Base Unit Cross Reference Charge Circuit 11 2 2 Handset Cross Reference Check Power Charge Circuit 30 ...

Page 31: ...Note BBIC is IC1 11 2 3 Charger Unit Cross Reference Power Supply Circuit 11 3 Check Link 11 3 1 Base Unit Cross Reference Power Supply Circuit Adjustment Base Unit 11 3 2 Handset 31 ...

Page 32: ...s Reference Power Supply Circuit Adjustment Handset 11 4 Check Handset Transmission Cross Reference SIGNAL ROUTE 11 5 Check Handset Reception Cross Reference HOW TO CHECK THE HANDSET SPEAKER SIGNAL ROUTE 32 ...

Page 33: ... Bell Reception 11 7 1 Base Unit Note BBIC is IC2 11 7 2 Handset Cross Reference Telephone Line Interface Check Link Note BBIC is IC1 12 CHECK PROCEDURE BASE UNIT 12 1 Preparation 12 1 1 Equipment Required DECT tester Rohde Schwarz CMD 60 is recommended 33 ...

Page 34: ...M serial JIGs 1 I2C PCB PQZZTCD705BX 2 RS232C cable PQZZ1CD705BX 3 Clip cable PQZZ2CD705BX 4 DC cable PQZZ3CD705BX PC which runs in DOS mode Batch file for setting PQZZTCD430G 12 2 PC Setting 12 2 1 Connections 12 2 2 PC Setting 1 Open a window of MS DOS mode from the start up menu 2 Change a directory to the one with RTX_COM contained 3 Type SET RTX_COM 1 from the keyboard when COM port 1 is used...

Page 35: ...ess and 45 is data to be written InitBsPIN bat Initial Base PIN to 0000 Type initBsPIN 13 CHECK PROCEDURE HANDSET 13 1 Preparation 13 1 1 Equipment Required DECT tester Rohde Schwarz CMD 60 is recommended Frequency counter it must be precise to be able to measure 1Hz precision 4ppm Hewlett Packard 53131A is recommended DC power it must be able to output at least 1A current under 2 4V for Handset 9...

Page 36: ...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 setfreq adjust Frequency of RFIC Type setfreq nn nn Getchk Read checksum Type getchk Wreeprom write eeprom Type wreeprom 01 23 45 01 23 is address and 45 is data to ...

Page 37: ...The reception sensitivity of base unit is low with noise Make confirmation in item The transmit level is high or low Make adjustments in item The reception level is high or low Make adjustments in item The unit does not link Make confirmation in item The unit cannot charge Make confirmation in item Refer to Adjustment Base Unit 14 1 Adjustment Base Unit Please follow the items below when BBIC or E...

Page 38: ...ecute the command deactmac 2 Execute the command conttx 3 Input Command rdeeprom 00 00 02 then you can confirm the current value 4 Adjust the frequency of TP1 executing the command setfreq 00 xx where xx is the value so that the reading of the frequency counter is 10 368000MHz 3Hz IC2 IC3 L1 C48 X1 C32 F Hookswitch Check with DC Characteristics 1 Connect J1 Telephone Socket to Tel simulator which ...

Page 39: ... 852 05Hz group is 9 0dBm 12 0dBm IC2 R32 C2 C14 C13 Q R19 R20 C1 C2 R77 D3 R7 R8 R9 H Transmitted Power Confirmation Remove the Antenna before starting step from 1 to 4 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Traffic Channel 5 Traffic Slot 4 Mode Loopback PMID 0000 2 Execute the command testmode 3 Initiate connection from DECT tester set up connect 4 Confirm that the NTP...

Page 40: ...kHz div using data type Fig31 5 Adjust the B Field Modulation if required Execute the command readmod and wrtmod xx where xx is the value IC2 IC3 L1 C75 C69 C4 C67 C76 C5 DA1 R66 R6 R78 R79 C5 J Frequency Offset Confirmation Follow steps 1 to 3 of H above 4 Confirm that the frequency offset is 50kHz 50kHz IC2 IC3 L1 C75 C69 C4 C67 C76 C5 DA1 R66 R6 R78 R79 C5 40 ...

Page 41: ...o 3 of H above 4 Set DECT tester power to 88dBm 5 Confirm that the BER is 1000ppm IC2 IC3 L1 C75 C69 C4 C67 C76 C5 DA1 R66 R6 R78 R79 C5 L Timing Confirmation Follow steps 1 to 3 of H above 4 Confirm that the Timing accuracy is 2 0ppm IC2 IC3 L1 C75 C69 C4 C67 C76 C5 DA1 R66 R6 R78 R79 C5 41 ...

Page 42: ...ommand openau 6 Connect J1 Telephone Socket to Tel simulator which is connected with 600 7 Set line voltage to 48V and line current to 40mA 8 Connect DECT tester to Tel simulator 9 Input audio signal 200mVrms 1kHz tone to Tel simulator DECT tester setting Scramble On AF Gen to ADPCM Off AF Meter Input ADPCM AF Gen Frequency 1000Hz AF Gen Level 200mVrms 10 Confirm hearing tone 300mVrms 100mVrms 11 ...

Page 43: ...ms 9 Confirm hearing tone 330mVrms 100mVrms 10 Adjust audio level if required Make sure current value using getspkrgain And then execute the command setspkrgain xx where xx is the value 11 Confirm that the audio distortion at 600R of Tel simulator is 5 IC2 R32 C2 C14 C13 R2 R18 R19 R2 C1 C2 R77 R12 Q2 R7 R10 Q3 IC3 C78 C75 C6 C66 C67 C7 L3 DA1 R6 C56 R78 R7 P Charging Check 1 Connect Charge Contac...

Page 44: ... 2 Measure and confirm voltage across the regigster is 2 7V 0 2V Note After the measuring sock up the solder of TP The connection of adjustment equipment are as shown in Adjustment Standard Charger Unit 14 4 Adjustment Standard Charger Unit When connecting the Simulator Equipments for checking please refer to below 14 4 1 Flow Solder Side View Note A is refered to ADJUSTMENTS BASE UNIT AND CHARGER...

Page 45: ...em The reception sensitivity of base unit is low with noise Make confirmation in item Does not link between base unit and handset Make confirmation in item H N The reception level is high or low Make adjustments in item The transmit level is high or low Make adjustments in item Refer to Adjustment Handset 15 1 Adjustment Handset Please follow the items below when BBIC or EEPROM are replaced Items ...

Page 46: ...1 with current limit of PSU to 250mA 2 Confirm that the charge current is ON OFF 3 SW to decrease current limit of PSU to 100mA 4 Confirm that the charge current is stable IC1 D4 L4 L5 Q2 Q3 R6 D2 R22 C26 F1 R21 E Charge Detection OFF Confirmation 1 Stop supplying 6V to TP20 and TP21 2 Execute the command charge 3 Confirm that the returned value is 0x00 hex IC1 D4 L4 L5 Q2 Q3 R6 D2 R22 C26 F1 R21 ...

Page 47: ...ted Power Confirmation TP15 Remove the Antenna before starting step from 1 to 5 1 Configure the DECT tester CMD60 as follows Setting Test mode PP RFPI 0102030405 Traffic Channel 5 Traffic Slot 4 Mode Loopback 2 Execute the command testmode 3 Execute the command regcmd60 4 Initiate connection from DECT tester 5 Confirm that the NTP value at A201 TP15 is 20dBm 25dBm IC1 IC3 C54 L3 C57 C55 R23 R24 C6...

Page 48: ...pm IC1 IC3 C54 L3 C57 C55 R23 R24 C6 M Timing Confirmation Follow steps 1 to 4 of I above 5 Confirm that the Timing accuracy is 2 0ppm IC1 IC3 C54 L3 C57 C55 R23 R24 C6 N RSSI Level Confirmation Follow steps 1 to 4 of I above 5 Set DECT tester power to 88dBm 6 Execute the command readrssi 7 Confirm 25 returned value 43 hex 0x34 F hex IC1 IC3 C54 L3 C57 C55 R23 R24 C6 48 ...

Page 49: ... and Confirmation TP15 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Mode Normal RFPI 0102030405 2 Execute the command testmode 3 Execute the command regcmd60 4 Initiate connection from DECT tester 5 Execute the command openaudio 6 Confirm that the value of EEPROM address F3F is 02 If the value is not 02 by User set 02 and power off and power on and return to clause 2 7 Input a...

Page 50: ...hex Adjustment Base Unit M Refer to Adjustment Base Unit 16 2 Handset Item Value Refer to Remarks TX Power More than 20 dBm 25 dBm Adjustment Handset I Modulation 340 kHz div 402 kHz div Adjustment Handset J Data type Fig31 Frequency Offset 50 kHz 50 kHz Adjustment Handset K RX Sensitivity 1000 ppm Adjustment Handset L Timing Accuracy 2 0 ppm Adjustment Handset M RSSI Level 0x34 hex F hex Adjustme...

Page 51: ...18 FREQUENCY TABLE MHz 51 ...

Page 52: ...and Handset 19 BLOCK DIAGRAM BASE UNIT 20 CIRCUIT OPERATION BASE UNIT 20 1 Outline Base Unit consists of the following ICs as shown in BLOCK DIAGRAM BASE UNIT DECT BBIC Base Band IC IC2 Handling all the audio signal and data processing needed in a DECT base unit Controlling the DECT specific physical layer and radio section B urst Module Controller section ADPCM codec filter for speech encoding an...

Page 53: ... Charge Circuit Telephone Line Interface Circuit 20 2 Power Supply Circuit The power is supplied to the DECT BBIC RF Module EEPROM Relay Coil LED and Charge Contact from AC Adaptor 6V as shown in Fig 101 The power supply is as follows DECT BBIC IC2 J2 6V D4 Q9 D5 Q8 IC2 RF Module IC3 J2 6V D4 Q9 IC3 EEPROM IC1 J2 6V D4 Q9 D5 Q8 IC2 IC1 RINGER J2 6V D4 Q9 R68 RINGER Charge Contact TP84 J2 6V D4 R43...

Page 54: ...e telephone rings the signal is transferred as follows A C4 R2 R29 IC2 DLP BELL B C3 R1 R30 IC2 DLP BELL ON OFF hook circuit In the standby mode Q2 is open and connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an off hook condition When IC2 detects a ring signal or press the TALK Key onto the handset Q3 turns on and then Q2 turns on thus providing an o...

Page 55: ...ceive voice signal and data signal through the antenna on carrier frequency Signal Pass Refer to SIGNAL ROUTE 20 4 1 Transmitter Block The voice signal input from the TEL LINE interface goes to RF Module IC3 through DECT BBIC IC2 as shown in BLOCK DIAGRAM BASE UNIT The voice signal passes through the analog part of IC2 where it is amplified and converted to a digital audio stream signal The burst ...

Page 56: ...og audio This is amplified by the analog front end and goes to the TEL LINE Interface 20 5 Metering Pulse Detection In the talk mode the metering pulse is transferred as follows A R81 IC2 AD2 METERING PULSE B R53 IC2 AD3 21 BLOCK DIAGRAM HANDSET 22 CIRCUIT OPERATION HANDSET 22 1 Outline Handset consists of the following ICs as shown in BLOCK DIAGRAM HANDSET DECT BBIC Base Band IC IC1 All data sign...

Page 57: ...ND DC GND In this way the BBIC on Handset detects the fact that the battery is charged The charge current is controlled by switching Q2 of Handset Refer to Fig 101 in Power Supply Circuit 22 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 ...

Page 58: ...24 SIGNAL ROUTE 25 CPU DATA BASE UNIT 25 1 IC2 BBIC 58 ...

Page 59: ...XTAL A I 10 368 MHz 19 VDDLR A I 20 LRB A I 21 VDDA 22 VSSA 23 Audio_Out_N A O 24 Audio_Out_P A O 25 Bandgap_Ref A I 26 Differential_Line_P A I for Bell Clip 27 Differential_Line_N A I for Bell Clip 28 Audio_In_N A I 29 ADC_Ref A I 30 RSSI A I 31 AD2 MPCINP A I for Polarity 32 AD3 A I for Polarity 33 NO USE D I I_PU 34 NO USE D I I_PU 35 NO USE D I I_PU 36 NO USE D I I_PU 37 VDD 38 VSS 39 Supply_E...

Page 60: ...SE D I Fixed 53 VSS 54 VDD 55 KEY_IN D I No Key Key 56 NO USE D I O I_PD 57 PULSE_CTRL D I O Q7_ON Q7_OFF 58 NO USE D I O I_PD 59 NO USE D I O I_PD 60 NO USE D I O I_PD 61 HOOK_CTRL D O Make Break 62 NO USE D I O I_PD 63 ANT1 D O ANT1_ON ANT1_OFF 64 ANT2 D O ANT2_ON ANT2_OFF Note I_PU Internal Pull Up I_PD Internal Pull Down 26 CPU DATA HANDSET 26 1 IC1 BBIC 60 ...

Page 61: ...Active 15 SYCL D O Active 16 TX_DATA A O Active 17 KEY_IN D I No Key 18 KEY_IN D I No Key 19 KEY_IN D I No Key 20 KEY_IN D I No Key 21 KEY_IN D I No Key 22 NO USE D O 23 Reference clock D O Active 24 VDD 25 VSS 26 POWER_SW A I No Key 27 CHARGE_DET A I Charge 28 DCDCDRV D O Active 29 DCDCCMR A I 30 RESET A I Normal 31 VSSO 32 LOAD A I 33 XTAL A I 34 VDDPM A O 35 VDDLO A O 36 VDDBAT A I 37 VDDLR 38 ...

Page 62: ...45 MICP A I 62 ...

Page 63: ...O Active 62 LCD_SEGMENT D O Active 63 VDD 64 VSS 65 VDD for EEPROM D O 66 I2DAT D I O Active 67 I2CLK D I O Active 68 MODE D I 69 R2 D I 70 NO USE D O 71 VBACK P0 7 D I 72 LCD_SEGMENT D O Active 73 LCD_SEGMENT D O Active 74 LCD_SEGMENT D O Active 75 LCD_SEGMENT D O Active 76 LCD_SEGMENT D O Active 77 VDDLI 78 LCD_SEGMENT D O Active 79 LCD_SEGMENT D O Active 80 LCD_SEGMENT D O Active 81 LCD_SEGMENT...

Page 64: ...uction The base unit uses a 32K bit serial EEPROM IC1 for storing volatile parameters All parameters are set up before the base leaves the factory Some of these are vital for the operation of the hardware so a set of default parameters is programmed before the actual hardware fine tuning can be initiated This document lists all default settings with a short description In the tables below values i...

Page 65: ...rolled 003A 003E FF FF IPUI_3 ID for H S 3 x D Ipui for handset 3 If set to FF 5bytes the handset is not enrolled 003F 0043 FF FF IPUI_4 ID for H S 4 x D Ipui for handset 4 If set to FF 5bytes the handset is not enrolled 0044 0048 FF FF IPUI_5 ID for H S 5 x D Ipui for handset 5 If set to FF 5bytes the handset is not enrolled 0049 004D FF FF IPUI_6 ID for H S 6 x D Ipui for handset 6 If set to FF ...

Page 66: ... KAMMA4 20h and 21h Bit 7 5 Mode 001 group 4 Not used 3 0 Id 001 id of first group 27 3 3 Flash Time setting Address Default Name Country Setting Type Description 0F0B 08 CalibBreakTime 0 08 D Calibrated loop break time for short break Unit 10 ms defaultst to 80 ms 0F0C 14 CalibBreakTime 1 20 D Calibrated loop break time for short break Unit 10 ms defaultst to 200 ms 0F0D 46 CalibBreakTime 2 70 D ...

Page 67: ... enable 0 disable 3 Dutch 1 enable 0 disable 4 Canadian 1 enable 0 disable 5 Swedish 1 enable 0 disable 6 UserDefined 1 enable 0 disable 7 KPN vmwi 1 enable 0 disable 8 ProtocolPriority If 2 mutually exclusive parameters occurs the 1st in the protocol message has priority 1 enable 0 disable 9 UseCallType Verify the Call Type parameter available when receiving Call CLIP at busy subscriber 1 enable ...

Page 68: ...bled enabled 5 ARSIntDeletionMenuEnabled 6 ARSMultipleCarrierMenuEnabled enabled 7 ARSMultipleAreaCodeMenuEnabled enabled 0F4E FF Config2 255 D BsUiTask configuration 2 Bits 1 enable 0 disable 0 RingerModeMenuEnabled enabled 1 CallRestrictionMenuEnabled 2 CancelHandsetMenuEnabled 3 BaseToneMenusEnabled enabled 4 7 Unused 28 EEPROM LAYOUT HANDSET 28 1 Scope The purpose of this section is to describ...

Page 69: ...eset to the Default value by the eeprom default loader A adjust The EEPROM location is set during the production test and should not be overwritten The value is set by the eeprom default loader only if the location contains 0xFF i e it has never been set EEPROM location which is not set at all 28 3 EEPROM contents 28 3 1 General Setup Address Default Name Type Description 0000 0001 00 60 EepromOsc...

Page 70: ...5 ZAP_2 ZAP for registration 2 0146 STATUS_2 Status for registration 2 0147 0156 UAK_2 UAK for registration 2 0160 0164 RFPI_3 Base 3 RFPI for registration 3 0165 SerClass_3 Service class for registration 3 0166 LAL_3 Location area level for registration 0167 IPUI_LEN_3 IPUI length for registration 3 0168 0174 IPUI_3 IPUI for registration 3 0175 ZAP_3 ZAP for registration 3 0176 STATUS_3 status fo...

Page 71: ...1 Spanish 02 French 03 Italian 04 Dutch 05 Turkish 06 Hungarian 07 Portuguese 08 Polish 09 Command 0A German 0469 07 MaxDigitsToMatch 06 D Valid values 01 FF Digits above this value will not be evaluated when matching 046A 05 MinDigitsToMatch 05 D Valid values 01 FF Must be lower MaxDigitsToMatch If all digits of one of the numbers completely with at least this number of digits a match Or if they ...

Page 72: ...e Description 0F36 46 GR offset for volumestep 1 70 D Bit7 AOG Bit6 AOG2 Bit5 bit0 Gain receive values ranging from 0x00 to 0x30 each step representing 1 dB 0F37 5B GR offset for volumestep 2 x A Bit7 AOG Bit6 AOG2 Bit5 bit0 Gain receive values ranging from 0x00 to 0x30 each step representing 1 dB 0F38 00 GR offset for volumestep 3 x D Bit7 AOG Bit6 AOG2 Bit5 bit0 Gain receive offset to volumestep...

Page 73: ... eeprom when set in conversation 29 HOW TO REPLACE FLAT PACKAGE IC 29 1 Preparation PbF Pb free Solder 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 0 82 Type RMA lower residue n...

Page 74: ... feeding enough solder to the tip so that it flows under the pins as they are heated 29 3 Modification Procedure of Bridge 1 Add a small amount of solder to the bridged pins 2 With a hot iron use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads 30 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 74 ...

Page 75: ...75 ...

Page 76: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 76 ...

Page 77: ...33 ACCESSORIES AND PACKING MATERIALS 77 ...

Page 78: ...33 1 KX TCD430GC GF 33 2 KX TCD432GC GF 78 ...

Page 79: ...33 3 KX A143EXC EXF 79 ...

Page 80: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 80 ...

Page 81: ...he item will continue to be available for a specific period of time The retention period of availability is dependant on the type of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When...

Page 82: ...5 1 1 Cabinet and Electrical Parts Ref No Part No Part Name Description Remarks 1 PQGG10154U2 GRILLE for KX TCD430GC for KX TCD432GC ABS HB 1 PQGG10154U1 GRILLE for KX TCD430GF for KX TCD432GF ABS HB 2 PQKM10586W2 CABINET BODY ABS HB 3 PQJT10203Z TERMINAL 4 PQKE10356Z2 GUIDE CHARGE TERMINAL CASE POM HB 5 PQSA10131Z ANTENNA MAIN 6 PQSA10132Z ANTENNA SUB 7 PQKF10581Z2 CABINET COVER ABS HB 8 PQGT1679...

Page 83: ...ODE SI L1 PQLQR4D4R7K COIL L3 PQLQR2M33NKT COIL L4 G1C2N7Z00008 COIL JACKS J1 PFJJ1T007Z JACK MODULATOR S J2 PQJJ1B4Y JACK DC RESISTORS R1 ERJ3GEYJ155 1 5M R2 ERJ3GEYJ155 1 5M R3 ERJ3GEYJ224 220K R4 ERJ3GEYJ184 180K R5 ERJ3GEYJ224 220K R6 ERJ3GEYJ184 180K R7 ERJ3GEYJ104 100K R8 ERJ3GEYJ272 2 7K R9 ERJ3GEYJ103 10K R10 ERJ3GEYJ222 2 2K R12 PQ4R18XJ000 0 S R16 ERJ3GEYJ133 13K R18 ERJ3GEYJ392 3 9K R19...

Page 84: ...PACITORS C1 ECKD2H681KB 680P S C2 ECKD2H681KB 680P S C3 ECQE2223KF 0 022 C4 ECQE2223KF 0 022 C11 ECUV1C223KBV 0 022 C12 PQCUV1C474KB 0 47 C13 PQCUV1A105KB 1 C14 PQCUV1C224KB 0 22 C15 ECEA1HKS100 10 S C16 PQCUV1H154KR 0 15 C18 ECUV1H100DCV 10P C19 ECUV1H100DCV 10P C20 ECUV1C104KBV 0 1 C21 ECUV1H100DCV 10P C22 PQCUV1C224KB 0 22 C23 ECUV1C104KBV 0 1 C24 ECUV1C104KBV 0 1 C25 ECEA1CKS100 10 S C26 ECUV1...

Page 85: ...C67 ECUV1A475KB 4 7 C69 ECUV1H020CCV 2P C72 ECUV1H020CCV 2P C73 ECUV1H100DCV 10P C74 ECUV1H103KBV 0 01 C76 ECUV1H060DCV 6P S C78 ECUV1H100DCV 10P C89 ECUV1H102KBV 0 001 C90 ECUV1H101JCV 100P C94 ECUV1H0R5CCV 0 5 C96 ECUV1H100DCV 10P C97 PQCUV1H100DC 10P C98 PQCUV1H0R5CC 0 5 C99 PQCUV1H100DC 10P OTHERS IC3 J3FKK0000003 RF UNIT S1 K0H1BB000018 SPECIAL SWITCH TACTILE SA1 J0LF00000026 VARISTOR SURGE A...

Page 86: ...D CRYSTAL DISPLAY 111 PQHS10467Z COVER SP NET 112 L0AD02A00016 SPEAKER 113 PQSA10133Z ANTENNA 114 PQJT10204Z TERMINAL L 115 PQJT10205Z TERMINAL R 116 PQHX11202Z INSULATOR 117 PQJC10058Z BATTERY TERMINAL 118 PQJC10057Z BATTERY TERMINAL 119 PQJC10056Z BATTERY TERMINAL 120 PQKF10582Z2 CABINET COVER for KX A143EXC ABS HB 120 PQKF10582Z1 CABINET COVER for KX A143EXF ABS HB 121 PQGT16675Z NAME PLATE for...

Page 87: ...I D4 MAZ83900ML DIODE SI D6 MA2Z74800L DIODE SI D7 MA2Z74800L DIODE SI COILS L2 G1A470L00001 COIL L3 PQLQR4D4R7K COIL L4 G1C100MA0072 COIL L5 G1C100MA0072 COIL F1 PQLQR2M5N6K COIL S RESISTORS R1 ERJ3GEYJ222 2 2K R2 ERJ8BQJR30 0 3 R3 ERJ3GEYJ560 56 R4 ERJ3GEYJ103 10K R5 ERJ3GEYJ331 330 R6 ERJ3GEYJ332 3 3K R7 ERJ3GEYJ331 330 R8 ERJ3GEYJ331 330 R11 ERJ3GEY0R00 0 R17 ERJ3GEY0R00 0 R18 ERJ3GEYJ330 33 R...

Page 88: ... 10P OTHERS MIC L0CBAB000069 BUILTIN MICROPHONE IC3 J3FKK0000003 RF UNIT X1 H0D103500002 CRYSTAL OSCILLATOR 35 3 Charger Unit 35 3 1 Cabinet and Electrical Parts Ref No Part No Part Name Description Remarks 1 PQLV30018ZC ACCESSORY PARTS CHARGER UNIT for KX TCD432GC 1 PQLV30018ZF ACCESSORY PARTS CHARGER UNIT for KX TCD432GF 1 1 PQGG10155Z2 GRILLE for KX TCD432GC ABS HB 1 1 PQGG10155Z1 GRILLE for KX...

Page 89: ...5 PQPD10620Z CUSHION 35 4 2 KX TCD432GC GF Ref No Part No Part Name Description Remarks A1 PQLV19CEZ AC ADAPTOR for Base Unit A2 PQLV200CEZ AC ADAPTOR for Charger A3 PQJA10139Z CORD TELEPHONE A4 PQQX14005Z INSTRUCTION BOOK A5 PQQW13244Z LEAFLET A6 PQQW12846W LEAFLET RECHARGE P1 PQPP10100Z PROTECTION COVER for Base Unit P2 PQPP10084Z PROTECTION COVER for Handset P3 PQPP10086Z PROTECTION COVER for C...

Page 90: ...RE HANDSET 35 6 Memo 36 SCHEMATIC DIAGRAM BASE UNIT 37 SCHEMATIC DIAGRAM HANDSET 38 SCHEMATIC DIAGRAM CHARGER UNIT 39 CIRCUIT BOARD BASE UNIT 39 1 Component View 39 2 Flow Solder Side View 40 CIRCUIT BOARD HANDSET 40 1 Component View 40 2 Flow Solder Side View 41 CIRCUIT BOARD CHARGER UNIT 41 1 Component View 41 2 Flow Solder Side View I N KXTCD430GC KXTCD430GF KXTCD432GC KXTCD432GF KXA143EXC KXA1...

Page 91: ... 7 R22 0 C63 D10P C64 K1 0 X1 TP13 C55 C2P C56 C2P C54 D10P TP17 TP16 C65 C2P C25 NC D5 NC C66 C2P TP15 IC3 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PAON 25 GND 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 GND 2 GND 3 TXDA 4 CN5 1 SP 2 SP D6 D7 TP19 R24 0 POWER SP 400µs typicall...

Page 92: ... 28 C2 K4 7 R4 10K C3 K0 1 S11 S7 S20 S5 S3 S18 S25 S23 S15 S16 S4 S22 S21 S8 S9 C18 K0 1 C20 K0 1 C21 K0 1 C22 K0 1 C23 K0 1 C27 K0 1 R11 0 R21 0 1 F1 S24 S19 S14 S2 S1 CN2 1 C5 2 C4 3 C3 4 C2 5 C1 6 C0 7 S29 8 S28 9 S27 10 S26 11 S25 12 S24 13 S23 14 S22 15 S21 16 S20 17 S19 18 S18 19 S17 20 S16 21 S15 22 S14 23 S13 24 S12 25 S11 26 S10 27 S9 28 S8 29 S7 30 S6 31 S5 32 S4 33 S3 34 S2 35 S1 36 S0...

Page 93: ... 7 R22 0 C63 D10P C64 K1 0 X1 TP13 C55 C2P C56 C2P C54 D10P TP17 TP16 C65 C2P C25 NC D5 NC C66 C2P TP15 IC3 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PAON 25 GND 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 GND 2 GND 3 TXDA 4 CN5 1 SP 2 SP D6 D7 TP19 R24 0 POWER SP 400µs typicall...

Page 94: ...K0 033 VBACK 2 65V R57 10K X1 C27 K0 1 R35 NC R36 NC R33 NC R52 0 C38 K0 1 R86 0 R88 0 R87 0 C97 D10P R58 10K 2 65V S1 3 4 2 1 D10P C50 C43 D10P 50V10 C15 390 R25 750 R28 33K R22 K0 22 C14 100K R21 56 R23 K1 0 C13 K0 15 C16 56 R32 K0 22 C22 R38 33 IC3 5 RSSI 6 VCC_OC 7 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PSEL 25 PA...

Page 95: ...53 180K R54 K0 01 C49 180K R82 K0 01 C74 5 6M R81 TP3 TP101 J105 1 J101 1 J104 1 J103 1 VBACK 2 65V J102 1 680P 500V C2 1 CHARGE 2 CHARGE Q2 C89 K1000P TP201 R68 39 R89 1K D9 4 0V C90 J100P Q10 TP202 C60 NC C62 NC C5 NC C63 NC C92 NC NC C7 C91 NC C77 NC C6 NC D1 NC D8 NC D7 NC JMP3 NC JMP2 NC JMP7 NC NC JMP5 JMP6 NC JMP4 NC NC JMP8 JMP1 NC L2 NC R73 NC R71 NC R74 NC R77 NC R85 NC NC R70 R72 NC Q11...

Page 96: ...K0 033 VBACK 2 65V R57 10K X1 C27 K0 1 R35 NC R36 NC R33 NC R52 0 C38 K0 1 R86 0 R88 0 R87 0 C97 D10P R58 10K 2 65V S1 3 4 2 1 D10P C50 C43 D10P 50V10 C15 390 R25 750 R28 33K R22 K0 22 C14 100K R21 56 R23 K1 0 C13 K0 15 C16 56 R32 K0 22 C22 R38 33 IC3 5 RSSI 6 VCC_OC 7 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PSEL 25 PA...

Page 97: ...BATTERY TERMINAL TP3 TP4 CHARGE CIRCUIT CHARGE CHARGE DETECT SWITCHED SUPPLY CHARGE CONTACTS TP5 4 0V VDDBAT VDDLR SWITCH 31 XTAL 10 368 MHz KEYPAD COLUMNS ROWS LCD 14 Seg Display ON SWITCH 38 27 26 36 37 28 pin 2 5 9 COM 0 5 segment 0 29 pin1 90 100 87 78 84 72 76 61 62 56 58 EARPIECE 42 41 45 17 21 53 55 59 60 34 Burst Encoding Burst Decoding TP6 D3 KX A143EXC EXF BLOCK DIAGRAM HANDSET 46 20 4 5...

Page 98: ...st Decoding ADPCM Codec Filter EEPROM IC1 SDA SCL SYRI RSSI SYEN RXDA TXDA J2 J1 IC2 IC3 4 0V Reg 2 65V Reg 4 0V 2 65V VUNREG 40 41 28 24 61 9 5 30 11 63 64 6 5 6 4 RF Module 20 30 10 33 Limit Register CHARGE CONTACT 18 16 XTAL 10 368 MHz DTXAF DTXAF 27 26 BBIC Interface ANT1 ANT2 to Tel_Line A B to AC Adaptor KX TCD430GC GF 432GC GF BLOCK DIAGRAM BASE UNIT ...

Page 99: ...6 TP23 TP13 TP17 TP14 TP22 TP10 GND SCL SDA C57 C64 C56 C55 11 18 1 IC3 C60 C15 AF OSC AF VOLT METER LOOP Simulator Dummy Base Unit 600 OSC TP20 CHARGE Genelator MIC MIC AF 6 3V47 F DC 6V Current Probe Oscilloscope CHARGE TP21 DC POWER 2 30 2 60V 2 7V 2W BATTERY BATTERY TP4 TP3 PC SDA SDL GND Digital Volt Meter GND TP18 150 AF Volt Meter Frequency Counter SP SP GND TP19 Digital Volt Meter Oscillos...

Page 100: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...

Page 101: ...R RINGER Digital Volt Meter PC Digital Volt Meter DC POWER 6V Digital Volt Meter Frequency Counter Digital Volt Meter Digital Volt Meter Relay Defect Circuit SDA SCL GND VBACK GND GND TP187 GND CHARGE 12 2w GND TP1 TP101 GND GND TP91 GND TP45 DTMF Tester Call ID Simulator BELL Simulator LOOP Simulator AF OSC AF VOLT METER OSC 600 TP3 TP40 GND TP2 A D E F G H N O C P E B G ...

Page 102: ...3 C24 C20 R31 R67 R58 R57 R35 R71 R72 R81 R82 R53 R54 R56 R8 C60 R55 R19 R20 R25 R28 R13 R14 R11 R15 R74 R73 R7 R77 D7 D8 R70 R85 R5 R9 R10 R27 R23 C80 C79 R32 R24 D6 R12 R22 R21 R16 R18 R26 R17 D1 D5 C89 R89 C92 D2 D3 C88 C86 C67 C76 C72 C66 C56 Q6 C15 C B C E Q3 Q7 Q5 Q10 Q2 Q11 Q4 1 C25 Q8 1 64 49 33 4 5 8 1 11 28 18 ANT J1 A201 A202 J2 Q9 D4 C81 C87 C54 C58 C69 L4 C78 C93 C94 C37 R36 R33 R52 C...

Page 103: ...n the cabinet CHG terminal comes out of rib by pulling black lead wire when opening the cabinet and turning the PCB over The terminal cannot have enough elastic force cannot have good contact with handset and it will result in charge problem ...

Page 104: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...

Page 105: ...1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 Marked ...

Page 106: ...PbF IC1 IC2 100 80 30 50 5 8 4 1 11 18 1 IC3 Marked ...

Page 107: ...TP1 TP84 TP97 TP82 TP187 TP91 TP188 TP101 TP89 TP2 1 2 4 6 TP5 TP90 TP50 TP202 TP201 TP45 TP3 TP39 TP40 J101 J103 J104 J102 J105 PbF 2 65V SDA SCL GND VBACK CHARGE CHARGE RINGER RINGER Marked ...

Page 108: ...Marked PbF IC1 IC3 IC2 1 1 64 49 33 4 5 8 1 11 28 18 ...

Page 109: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...

Page 110: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...

Page 111: ...1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 KX A143EXC EXF CIRCUIT BOARD HANDSET Flow Solder Side View ...

Page 112: ...0 R17 C12 R2 R3 C21 C25 R19 IC1 IC2 100 80 30 F1 50 5 8 4 1 1 R18 C27 TP18 C20 C23 C18 L5 L4 R21 R6 C24 X1 Q1 C14 TP1 TP2 BAT TP12 TP16 TP23 TP13 TP17 TP14 TP22 TP10 GND SCL SDA C57 C64 C56 C55 11 18 1 IC3 C60 C15 KX A143EXC EXF CIRCUIT BOARD HANDSET Component View CN3 TP3 CDT BBIC 27 TP12 TP14 4V FR clock BBIC 23 10 368MHz TP1 SP BBIC 42 TP2 SP BBIC 41 VDD 2 65V GND TP4 100 1 80 81 50 51 31 30 ...

Page 113: ...P91 TP188 TP101 TP89 TP2 1 2 4 6 TP5 TP90 TP50 TP202 TP201 TP45 TP3 TP39 TP40 J101 J103 J104 J102 J105 PbF 2 65V SDA SCL GND VBACK CHARGE CHARGE RINGER RINGER KX TCD430GC GF 432GC GF CIRCUIT BOARD BASE UNIT Flow Solder Side View RF clock BBIC 11 10 368MHz ...

Page 114: ...6 R2 R4 C36 C30 C28 R86 R87 R88 R29 R30 R68 C91 C19 C12 C16 C17 C51 C22 C18 C23 C24 C20 R31 R67 R58 R57 R35 R71 R72 R81 R82 R53 R54 R56 R8 C60 R55 R19 R20 R25 R28 R13 R14 R11 R15 R74 R73 R7 R77 D7 D8 R70 R85 R5 R9 R10 R27 R23 C80 C79 R32 R24 D6 R12 R22 R21 R16 R18 R26 R17 D1 D5 C89 R89 C92 D2 D3 C88 C86 C67 C76 C72 C66 C56 Q6 C15 C B C E Q3 Q7 Q5 Q10 Q2 Q11 Q4 1 C25 Q8 1 64 49 33 4 5 8 1 11 28 18 ...

Page 115: ...TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT ...

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