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KX-TG8231B/KX-TG8232B/KX-TGA820B

4.2.

Circuit Operation (Base Unit)

4.2.1.

Outline

Base unit consists of the following ICs as shown in

Block Diagram (Base Unit)

(P.7).

• DECT BBIC (

B

ase

B

and IC): IC7

- 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

M

odule

C

ontroller section)

- ADPCM code filter for speech encoding and speech decoding (DSP section)
- Echo-cancellation 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
- All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)

• RF Module: IC10

- PLL Oscillator
- Detector
- Compress/Expander
- First Mixer
- Amplifier for transmission and reception

• EEPROM: IC5

- Temporary operating parameters (for RF, etc.)

• FLASH MEMORY: IC11

- Voice Prompt (TAM) D/L Area
- ICM/OGM/MEMO Recording Area

• TAM Companion: IC8

- Voice data compression and decompression
- Speaker Amp
- LED Driver

• Additionally,

- Power Supply Circuit (+3.3 V, +2.5 V, +1.8 V output)
- Crystal Circuit (10.368 MHz)
- Charge Circuit
- Telephone Line Interface Circuit

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Содержание KX-TG8231B

Страница 1: ...o Ltd All rights reserved Unauthorized copying and distribu tion is a violation of law ORDER NO KM40707353CE F13 Telephone Equipment KX TG8231B KX TG8232B KX TGA820B Expandable Digital Cordless Answering System Black Version for U S A ...

Страница 2: ...2 KX TG8231B KX TG8232B KX TGA820B ...

Страница 3: ...P Leadless Leadframe Package IC 51 10 Disassembly and Assembly Instructions 53 10 1 Disassembly Instructions 53 10 2 Assembly Instructions 57 11 Measurements and Adjustments 58 11 1 The Setting Method of JIG Base Unit 58 11 2 Adjustment Standard Base Unit 60 11 3 Adjustment Standard Charger Unit 61 11 4 The Setting Method of JIG Handset 62 11 5 Adjustment Standard Handset 64 11 6 Things to Do afte...

Страница 4: ...ommended by the manufacturer 3 Dispose of used batteries according to the manufacture s Instructions 2 2 About Lead Free Solder Pbf Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that con tains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from ...

Страница 5: ... and Bismuth Sn Zn Bi Please check the manufacturer s specific instructions for the melting points of their products and any precautions for using their product with other materials The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 3 Discarding of P C Board When discarding P C Board delete all personal information such as telephone...

Страница 6: ...1B KX TG8232B KX TGA820B 3 Specifications Note Design and specifications are subject to change without notice Note for Service Optional headset KX TCA60 KX TCA86 KX TCA88HA KX TCA92 KX TCA93 KX TCA94 or KX TCA95 ...

Страница 7: ...DSP Speech Decoding Speech Encoding BMC Burst Decoding Burst Encoding RF Interface 18 19 TXDA RXDA 21 20 22 SYCL SYDA SYEN ANT1 ANT2 RF Module 18 16 2 31 21 14 13 12 12 13 XTAL X1 10 368 MHz EEPROM SCL SDA 6 5 To AC Adaptor CN2 Limit Resistor CHARGE CONTACT VUNREG 3 3V Reg IC1 2 5V Reg Q9 1 8V Reg Q8 3 3V 2 5V 1 8V BBIC IC5 FLASH MEMORY TAM TAM Companion IC RESET CS CS 3 4 2 1 8 SCK SI SO 9 39 40 ...

Страница 8: ...tion 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 All interfaces ex RF module EEPROM LED Analog Front End etc RF Module IC10 PLL Oscillator Detector Compress Expander First Mixer Amplifier for transmission and reception EEPROM IC5 Temporary operating parameters for RF etc FLASH MEM...

Страница 9: ...ower supply is as follows DECT BBIC IC7 CN2 6 5 V IC1 Q9 IC7 CN2 6 5 V IC1 Q8 IC7 RF Module IC10 CN2 6 5 V IC1 Q8 IC10 Radio Transceiver Digital CN2 6 5 V IC1 Q9 IC10 Radio Transceiver Analog CN2 6 5 V IC1 R125 IC10 Power AMP EEPROM IC5 CN2 6 5 V IC1 Q9 IC5 FLASH MEMORY IC11 CN2 6 5 V IC1 IC11 TAM Companion IC8 CN2 6 5 V IC1 Q9 IC8 CN2 6 5 V IC1 Q8 IC8 Charge Contact TP16 CN2 6 5 V R57 R56 R55 D22...

Страница 10: ...uency Signal Path Refer to Signal Route P 14 4 2 4 1 Transmitter Block The voice signal input from the TEL LINE interface goes to RF Module IC10 through DECT BBIC IC7 as shown in Block Dia gram Base Unit P 7 The voice signal passes through the analog part of IC7 where it is amplified and converted to a digital audio stream signal The burst switch controller processes this stream performing encrypt...

Страница 11: ... 4 0V 2 5V 1 8V LCD CD RESET CSB SDA SCL CPU Analog Front End D A A D 32 30 66 67 72 62 52 45 44 58 56 59 60 6 47 46 77 ADPCM Codec Filter DSP Speech Decoding Speech Encoding BMC Burst Decoding Burst Encoding RF Interface RF Module IC4 23 22 RXDA TXDA 19 26 25 24 RSSI SYDA SYEN SYCL 16 17 XTAL X1 10 368 MHz BATTERY 61 ON SWITCH KEYPAD ROWS COLUMNS 1 12 40 76 27 28 34 35 36 74 BBIC IC1 IC3 11 LCD B...

Страница 12: ...3 Charge Circuit Circuit Operation When charging the handset on the base unit the charge current is as follows DC 6 5 V R57 R56 R55 D22 CHARGE Base CHARGE Handset L4 Q4 D7 F1 BATTERY Battery BATTERY R45 GND L5 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 Q5 of handset Refer to Fig 10...

Страница 13: ...13 KX TG8231B KX TG8232B KX TGA820B 4 5 Circuit Operation Charger Unit 4 5 1 Power Supply Circuit The power supply is as shown ...

Страница 14: ...14 KX TG8231B KX TG8232B KX TGA820B 4 6 Signal Route ...

Страница 15: ...15 KX TG8231B KX TG8232B KX TGA820B ...

Страница 16: ...16 KX TG8231B KX TG8232B KX TGA820B 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit 5 1 2 Handset 5 2 Displays ...

Страница 17: ...17 KX TG8231B KX TG8232B KX TGA820B 6 Installation Instructions 6 1 Connections ...

Страница 18: ...nt 6 2 2 Battery Charge 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 ...

Страница 19: ...19 KX TG8231B KX TG8232B KX TGA820B 6 2 3 Battery Level 6 2 4 Panasonic Ni MH Battery Performance supplied batteries ...

Страница 20: ...20 KX TG8231B KX TG8232B KX TGA820B 7 Operation Instructions 7 1 Programmable Settings ...

Страница 21: ...21 KX TG8231B KX TG8232B KX TGA820B ...

Страница 22: ...22 KX TG8231B KX TG8232B KX TGA820B ...

Страница 23: ...23 KX TG8231B KX TG8232B KX TGA820B 7 2 Registering a Handset to a Base Unit 7 2 1 Deregistering a Handset 7 3 Copying Handset Phonebook Entries ...

Страница 24: ...24 KX TG8231B KX TG8232B KX TGA820B 7 4 Error Messages ...

Страница 25: ...25 KX TG8231B KX TG8232B KX TGA820B 7 5 Troubleshooting ...

Страница 26: ...26 KX TG8231B KX TG8232B KX TGA820B ...

Страница 27: ...27 KX TG8231B KX TG8232B KX TGA820B ...

Страница 28: ...28 KX TG8231B KX TG8232B KX TGA820B ...

Страница 29: ...29 KX TG8231B KX TG8232B KX TGA820B ...

Страница 30: ...30 KX TG8231B KX TG8232B KX TGA820B 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...

Страница 31: ...se refer to the table below Items Address Default Data New Data Remarks Frequency 00 01 75 Use these items in a READ ONLY mode to confirm the contents Careless rewriting may cause serious damage to the computer system ID 00 10 00 14 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 ...

Страница 32: ...32 KX TG8231B KX TG8232B KX TGA820B 8 1 2 Handset ...

Страница 33: ... 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 04 25 2 Frequency 00 01 75 ID 00 10 00 14 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 ...

Страница 34: ...h the customer has registered Refer to the following procedures Note BS Base unit HS Handset If the max number of handsets are already registered to the base unit a new handset cannot be registered To register the handset refer to Registering a Handset to a Base Unit P 23 To cancel the handset refer to Deregistering a Handset P 23 To copy the handset phonebook refer to Copying Handset Phonebook En...

Страница 35: ...sets are already registered to the base unit a new handset cannot be registered To register the handset refer to Registering a Handset to a Base Unit P 23 To cancel the handset refer to Deregistering a Handset P 23 To copy the handset phonebook refer to Copying Handset Phonebook Entries P 23 ...

Страница 36: ...ndset Note 1 Refer to Registering a Handset to a Base Unit P 23 Handset registration will not be reset 8 3 2 Resetting only handset The only handset is reset by doing the following steps to Note 2 The registration of the base unit and the handset are cancelled If the handset needs to be registered to the base unit refer to Registering a Handset to a Base Unit P 23 If users do not bring the base un...

Страница 37: ...Guide 9 1 Troubleshooting Flowchart Cross Reference Check Power P 38 Bell Reception P 46 Check Battery Charge P 39 Check Link P 40 Check Handset Transmission P 46 Check Handset Reception P 46 Signal Route P 14 Check Caller ID P 46 Check TAM Operation P 47 ...

Страница 38: ... 1 1 1 Base Unit Is the AC Adaptor inserted into AC outlet 1 Cross Reference Power Supply Circuit P 9 Note 1 Refer to Specifications P 6 for part number and supply voltage of AC Adaptor 9 1 1 2 Handset Cross Reference Power Supply Circuit Reset Circuit P 12 ...

Страница 39: ...232B KX TGA820B 9 1 2 Check Battery Charge 9 1 2 1 Base Unit Cross Reference Charge Circuit P 12 9 1 2 2 Handset Cross Reference Check Power P 38 Charge Circuit P 12 9 1 2 3 Charger Unit Cross Reference Charge Circuit P 12 ...

Страница 40: ...40 KX TG8231B KX TG8232B KX TGA820B 9 1 3 Check Link 9 1 3 1 Base Unit Cross Reference Check Point Base Unit P 48 Power Supply Circuit P 9 Check the RF part P 42 ...

Страница 41: ...41 KX TG8231B KX TG8232B KX TGA820B 9 1 3 2 Handset Cross Reference Check Point Handset P 48 Power Supply Circuit Reset Circuit P 12 Check the RF part P 42 ...

Страница 42: ...art 9 1 4 1 Finding out the Defective part After All the Checkings or Repairing 1 Re register the checked Handset to the checked Base Unit and Regular HS to Regular BU Note If you need to register a handset refer to Registering a Handset to a Base Unit P 23 ...

Страница 43: ...lowchart Each item 1 4 of RF Check Flowchart corresponds to Check Table for RF part P 44 Please refer to the each item Note 1 Base unit refer to D of Check Point Base Unit P 48 Handset refer to F of Check Point Handset P 48 2 Refer to TEST RANGE Check P 45 ...

Страница 44: ... be checked to Regular BU 1 2 Press Talk key of the HS to establish link 2 Control signal confirmation HS BU Mode Burst TX mode 1 Check BBIC interface 2 1 Check BBIC interface 2 3 X tal Frequency confirmation 1 Check X tal Frequency 3 10 368 MHz 100 Hz 1 Check X tal Frequency 4 10 368 MHz 100Hz 4 Range Confirmation Normal HS BU Mode Normal mode 1 Register Regular HS to BU to be checked 1 2 Press T...

Страница 45: ...Regular BU according to CHART1 3 At distance of about 20 m 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 20 m betw...

Страница 46: ...set Reception Cross Reference How to Check the Handset Speaker or Receiver P 66 Signal Route P 14 9 1 7 Check Caller ID Cross Reference Signal Route P 14 9 1 8 Bell Reception 9 1 8 1 Base Unit 9 1 8 2 Handset Cross Reference Telephone Line Interface P 10 Check Link P 40 How to Check the Handset Speaker or Receiver P 66 ...

Страница 47: ...he first 2 seconds 2 If the Disable is selected even if the parallel connected telephone is OFF HOOK the line isn t disconnected B How to change the VOX level It makes easier to detect a small voice caller by raising the sensitivity of VOX level Therefore the recording of TAM is not turned off during a detection Cross Reference Power Supply Circuit P 9 Auto Disconnect detect PROCEDURE at Stand by ...

Страница 48: ...ge between test point 1 8 V and GND is 1 8 V 0 02 V 2 Execute the command bandgap then check the current value 3 Adjust the 1 8V voltage of VDD1 executing command bandgap XX XX is the value IC1 Q2 C10 B DC DC Supply Confir mation VDD3 1 Confirm that the voltage between test point VDD3 and GND is 4 0 V 0 3 V Backlight is ON IC1 F1 C1 C2 C3 R1 Q1 D1 L1 C 2 5 V Supply Confirma tion VDD2 1 Confirm tha...

Страница 49: ...ge the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 9 4 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into t...

Страница 50: ... 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 9 4 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 ...

Страница 51: ...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 9 5 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 not to touch th...

Страница 52: ...he 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 9 5 5 How to Remove a Solder Bridge When a Solder Bridge is ...

Страница 53: ...53 KX TG8231B KX TG8232B KX TGA820B 10 Disassembly and Assembly Instructions 10 1 Disassembly Instructions 10 1 1 Base Unit ...

Страница 54: ...54 KX TG8231B KX TG8232B KX TGA820B ...

Страница 55: ...55 KX TG8231B KX TG8232B KX TGA820B 10 1 2 Handset ...

Страница 56: ...56 KX TG8231B KX TG8232B KX TGA820B 10 1 3 Charger Unit ...

Страница 57: ...57 KX TG8231B KX TG8232B KX TGA820B 10 2 Assembly Instructions 10 2 1 Fix the LCD to the Main P C Board Handset ...

Страница 58: ...31A is recommended Digital multi meter DMM It must be able to measure voltage and current Oscilloscope 11 1 1 2 JIG and PC Serial JIG JIG Cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PQZZTG8231M 11 1 2 PC Setting 11 1 2 1 Connections Connect the AC adaptor to CN2 base unit Connect the JIG Cable GND black to J104 Connect the JIG Cable RX red to J103 and TX yellow to J10...

Страница 59: ...FPI 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 hookoff Off hook mode on Base Type hookoff hookon On hook mode on Base Type hookon getchk Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be writ...

Страница 60: ... R15 R32 D26 D25 D5 Q8 C65 C137 C56 C7 C67 C72 C163 C125 C101 C102 R102 Q10 A_1 A_2 C118 CHARGE CHARGE SPEAKER SP SP J104 J102 J103 J101 C73 C60 C1 C62 C25 R133 R1 E R3 R4 R5 R6 R8 R74 R9 R72 R33 R35 R81 R109 VDD2 VDD3 VDD1 LOW_RAD R117 R71 R148 R16 R17 R139 R138 LINE_DC L1T L2R L1R L2T L22 L9 TP_RLY5 TP_RLY1 TP16 sub TP15 TP15 sub CLK TP16 D2 D6 D12 D4 D21 D24 E D9 Q24 E DCM DCP US1 Q1 Q4 RX TX G...

Страница 61: ...Standard Charger Unit When connecting the simulator equipment for checking please refer to below 11 3 1 Flow Solder Side View TP4 TP3 1 2 J1 D1 A F1 PbF PQLV30055 PQLV30056 PQUP11532Z Charge Charge 15 2 W Digital Volt Mater DC POWER DC 6 5 V TP3 TP4 GND ...

Страница 62: ...urrent under 2 4 V for Handset Digital multi meter DMM It must be able to measure voltage and current Oscilloscope 11 4 1 2 JIG and PC Serial JIG JIG Cable PQZZ1CD300E PC which runs in DOS mode Batch file CD ROM for setting PQZZTG8231M 11 4 2 PC Setting 11 4 2 1 Connections Connect the DC Power or Battery to J1 BATT and J2 BATT Handset Connect the JIG cable GND black to GND Connect the JIG cable U...

Страница 63: ... 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 getchk Read checksum Type getchk wreeprom Write the data of EEPROM Type wreeprom 01 23 45 01 23 is address and 45 is data to be written bursttx Burst TX mode Type bursttx tes...

Страница 64: ...55 C72 C51 R151 R187 R186 R190 R170 R53 C165 C163 C164 ANT ANT1 D8 C102 C101 C122 C158 C156 C152 C160 C157 C167 C153 C176 C175 C151 Q21 MIC MIC TP20 TP23 TP22 TP21 J3 J1 Q4 D7 C12 C179 C180 C18 C8 C21 C26 C22 C39 C23 C173 GND BAT C5 C9 C10 C4 JTAG X11 SP_TEST1 SP_TEST2 S C50 C119 Q23 R191 R188 R189 C70 C59 1 10 16 17 11 32 27 26 C61 C62 C56 C53 C52 R52 C71 R51 CLK C57 C3 POWER VDD4 VDD3 VDD1 VDD2 ...

Страница 65: ...you have carried out PC Setting P 62 in The Setting Method of JIG Hand set Note 2 Refer to Check Point Handset P 48 Items Necessary Adjustment BBIC IC7 Programs for Voice processing interface for RF and EEPROM 1 Clock adjustment Refer to Check Point D 1 EEPROM IC5 Adjustment parameter data country version batch file default batch file etc X tal X1 System clock Items Necessary Adjustment BBIC IC1 P...

Страница 66: ...als as shown below 11 8 Frequency Table MHz Note Channel No 2 In the Test Mode on Base Unit and Handset BASE UNIT HANDSET Channel No Transmit Frequency Receive Frequency Transmit Frequency Receive Frequency 0 1928 448 1928 448 1928 448 1928 448 1 1926 720 1926 720 1926 720 1926 720 2 1924 992 1924 992 1924 992 1924 992 3 1923 264 1923 264 1923 264 1923 264 4 1921 536 1921 536 1921 536 1921 536 ...

Страница 67: ...he development of new technology 12 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 12 1 3 Charger Unit Schematic Diagram Charger Unit Notes 1 DC voltage measurements are taken with voltmeter from the negative voltage line 2 The s...

Страница 68: ...1 2 3 4 5 6 7 8 C159 NC 1 8V 1 GND1 2 ANT2 3 VCCPA 4 GND2 5 GND3 6 VDD_ANA 7 VDD_DIG 8 GND4 9 SYRI 10 GND5 11 GND6 12 SYEN 13 SYDA 14 SYCL 15 GND7 16 RXDA 17 GND8 18 TXDA 19 GND9 20 RESET 21 ANT1 22 GND10 23 GND13 24 GND12 25 TXPO SET 26 GND14 27 GND15 28 GND16 29 GND17 30 GND18 31 A_1 32 GND11 R142 NC R143 NC R144 NC 2 5V 2 5V C51 K0 1u C80 K0 1u C81 K0 1u C82 K0 1u C83 K0 1u C85 K0 1u C89 K0 1u ...

Страница 69: ...Output 8 0V DCM 1k R79 1k R80 L2T L1T L1R CN2 2 1 NC C30 1u C70 3 3M R73 C2 NC 100 R75 TP23 10k R74 TP9 TP_RLY1 L1T TP_RLY2 L2T TP_RLY3 L1R TP_RLY4 TP_RLY5 10k R77 10k R78 C37 NC 3 3k R71 3 3k R117 1k R33 0 R97 R3 180k C12 NC 2125 J11 NC NC SA11 2 1 NC SA12 2 1 NC D2 A K D5 NC A K D6 NC A K D21 NC A K R126 NC R127 NC NC R128 2 5V R129 NC R130 NC TP16 TP15 330u C36 6 3 C32 100u 16 16 10u C71 10u C6...

Страница 70: ...eration C C LED2 1 2 LED1 1 2 SKIP 1 2 VOL_UP 1 2 STOP 1 2 ANS_ON 1 2 ERASE 1 2 REPEAT 1 2 VOL_DOWN 1 2 LOCATOR 1 2 PLAY1 1 2 PLAY 1 2 CN10 10 CN10 9 CN10 8 CN10 7 CN10 6 CN10 5 CN10 4 CN10 3 CN10 2 CN10 1 ANSWER ON PLAY KX TG8231 8232 SCHEMATIC DIAGRAM Base Unit_Operation ...

Страница 71: ...71 KX TG8231B KX TG8232B KX TGA820B Memo ...

Страница 72: ...2 SHARP 1 2 0 1 2 AST 1 2 9 1 2 8 1 2 7 1 2 6 1 2 5 1 2 4 1 2 3 1 2 2 1 2 1 1 2 CANCEL 1 2 SP 1 2 S1 1 2 TALK 1 2 SOFT_C 1 2 SOFT_A 1 2 CN3 1 CN3 2 CN3 3 CN3 4 CN3 5 CN3 11 CN3 10 CN3 9 CN3 8 CN3 7 CN3 6 CN3 12 CN3 13 5 6k R46 5 6k R47 0 R175 0 R176 R95 NC 1k R66 C5 NC 2 2u C10 JTAG CL1 CL2 R19 NC 39k R11 1k R62 0 R182 1k R61 10k R64 C161 NC K0 1u C26 10k R183 C3 K0 1u C6 8p C8 220n 1n C18 C97 NC ...

Страница 73: ...GND9 20 RESET 21 ANT1 22 GND10 23 GND13 24 GND12 25 TXPO SET 26 GND14 27 GND15 28 GND16 29 GND17 30 GND18 31 A_1 32 GND11 1 8V C164 NC C11 K0 1u 10p C14 C50 NC NC C54 NC C55 NC C56 10p C59 10p C62 10p C122 NC C160 10p C163 1n C52 C113 NC C152 NC C153 NC C156 NC C158 NC 150p C53 C155 NC 39p C57 C151 NC NC C157 Q21 NC B E C C165 3p R188 NC R189 NC R191 NC R190 NC 0 R192 R193 NC C154 NC C167 NC R194 ...

Страница 74: ...74 KX TG8231B KX TG8232B KX TGA820B 12 5 Schematic Diagram Charger Unit J1 2 1 TP3 G TP2 TP1 TP4 R1 10 D1 A K F1 SCHEMATIC DIAGRAM Charger Unit ...

Страница 75: ... 1 1 8 9 17 24 32 25 16 1 11 10 26 27 32 16 1 5 8 C83 C89 C90 C161 C126 C147 R116 R21 R14 R123 R124 R18 R22 R122 R101 R120 R126 R55 R128 R79 R77 R78 R80 R129 R130 R97 R111 R110 R112 R142 R115 R99 R82 R98 R119 R134 R118 L5 L4 D23 Q5 Q3 Q9 E Q21 Q22 Q23 C31 C30 C124 C4 C18 C148 C85 C82 C14 C155 C141 C2 C17 C16 C15 C91 C160 C95 C131 C113 C145 C146 C111 C48 C112 C122 C117 1 3 4 C37 C36 C114 C130 C115 ...

Страница 76: ... Q8 C65 C137 C56 C7 C67 C72 C163 C125 C101 C102 R102 Q10 A_1 A_2 C118 CHARGE CHARGE SPEAKER SP SP J104 J102 J103 J101 C73 C60 C1 C62 C25 R133 R1 E R3 R4 R5 R6 R8 R74 R9 R72 R33 R35 R81 R109 VDD2 VDD3 VDD1 LOW_RAD R117 R71 R148 R16 R17 R139 R138 LINE_DC L1T L2R L1R L2T L22 L9 TP_RLY5 TP_RLY1 TP16 sub TP15 TP15 sub CLK TP16 D2 D6 D12 D4 D21 D24 E D9 Q24 E DCM DCP US1 Q1 Q4 GND GND GND for JIG TX RX ...

Страница 77: ...uit Board Base Unit_Operation 13 2 1 Component View KX TG8231 8232 CIRCUIT BOARD Base Unit_Operation Component View P QU P 1 1 5 2 8 Z fo r T G 8 2 2 0 T G 8 2 3 PLAY LED1 A PbF VOL_DOWN VOL_UP ANS_ON REPEAT LOCATOR SKIP LED2 ERASE STOP 1 10 CN10 ...

Страница 78: ...78 KX TG8231B KX TG8232B KX TGA820B 13 2 2 Flow Solder Side View KX TG8231 8232 CIRCUIT BOARD Base Unit_Operation Flow Solder Side View PQUP11528Z for TG8220 TG823 A 1 10 CN10 PbF ...

Страница 79: ...23 C1 R1 C54 C55 C72 C51 R151 R187 R186 R190 R170 R53 C165 C163 C164 ANT ANT1 D8 C102 C101 C122 C158 C156 C152 C160 C157 C167 C153 C176 C175 C151 Q21 MIC MIC TP20 TP23 TP22 TP21 J3 J1 Q4 D7 C12 C179 C180 C18 C8 C21 C26 C22 C39 C23 C173 GND BAT C5 C9 C10 C4 JTAG X11 SP_TEST1 SP_TEST2 S C50 C119 Q23 R191 R188 R189 C70 C59 1 10 16 17 11 32 27 26 C61 C62 C56 C53 C52 R52 C71 R51 CLK C57 C3 POWER VDD4 V...

Страница 80: ...A3 RA5 Q12 Q7 SOFT_A SW1 TALK SP 1 2 3 4 5 6 7 R 0 MIC 8 INT A 9 CANCEL S1 CL1 CL2 SOFT_C R71 LED9 LED7 LED6 LED5 LED10 LED11 LED4 LED8 C29 C103 R97 C106 C107 C104 R99 R96 R95 R98 E E 13 C28 C27 C105 1 RA4 KX TGA820 PbF PQUP11529Z KX TGA820 CIRCUIT BOARD Handset Flow Solder Side View ...

Страница 81: ... Unit 13 4 1 Component View 13 4 2 Flow Solder Side 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 TP4 GND TP3 CIRCUIT BOARD Charger Unit Flow Solder Side View ...

Страница 82: ...W0 I I PD 25 P33 PD3 D I ROW1 I I PD 26 P34 PD4 D I ROW2 I I PD 27 TDOD P35 PD5 D O KEY0 O I PD 28 P36 PD6 D O KEY1 O I PD 29 VSS2 30 VDDIO2 31 VDD2 32 PCM_FSC INT0 P10 D O TAMIC_CSn O I PU 33 P00 UTX D O UTX O I PU 34 P01 URX D I URX I I PU 35 P02 JTIO D I O JTAG I O I PU 36 P03 SDA2 D O TAM_CSn O I PU 37 P04 SCL2 D O WP O I PU 38 P05 SPICLK PCM_CLK D O SPICLK O I PU 39 P06 SPIDO PCM_DOUT D O SPI...

Страница 83: ... TG8231B KX TG8232B KX TGA820B 60 CIDINp A I CIDINp I I 61 P14 INT4 D O HOOK O I 62 P13 INT3 D O NC O I 63 ADC2 A I NC I I 64 ADC0 A I ADC0 I I Pin No Description I O Connection at Normal mode at Reset mode ...

Страница 84: ...I PD 28 P32 PD2 D O COL2 O I PD 29 VSSPA1 VSSPA1 30 PAOUTm A O PAOUTm O O 31 VDDPA VDDPA 32 PAOUTp A O PAOUTp O O 33 VSSPA2 VSSPA2 34 P33 PD3 D O COL3 O I PD 35 P34 PD4 D O COL4 O I PD 36 TDOD P35 PD5 D O COL5 O I PD 37 VSS2 VSS2 38 VDDIO2 VDDIO2 39 VDD2 VDD2 40 PCM_FSC INT0 P10 D I ROW0 I I PU 41 P00 UTX D O UTX O I PU 42 P01 URX D I URX I I PU 43 P02 JTIO D I O JTAG I O I PU 44 P03 SDA2 D I O SD...

Страница 85: ... MICn I I 69 VREFm VREFm 70 VBUF A O NC O O 71 AGND A O AGND O O 72 MICp A I MICp I I 73 VREFp A O VREFp O O 74 P30 D O COL0 O I PD 75 P14 INT4 D O KEY_LED O I 76 P13 INT3 D I ROW3 I I 77 P22 CLK100 D O LCD_RESET O I PD 78 AVS_sense A I AVS_sense I I 79 ADC3 A I ADC3 I I 80 ADC0 A I ADC0 I I Pin No Description I O Connection at Normal mode at Reset mode ...

Страница 86: ...86 KX TG8231B KX TG8232B KX TGA820B 14 3 Terminal Guide of the ICs Transistors and Diodes 14 3 1 Base Unit 14 3 2 Handset 14 3 3 Charger Unit ...

Страница 87: ...87 KX TG8231B KX TG8232B KX TGA820B 15 Exploded View and Replacement Parts List 15 1 Cabinet and Electrical Parts Base Unit ...

Страница 88: ...set Note 1 This cable is fixed by soldering Refer to Fix the LCD to the Main P C Board Handset P 57 2 The rechargeable Ni MH battery HHR 4DPA Capacity up to 550 mAh is available through sales route of Panasonic 3 Attach the spacer No 125 to the exact location described above ...

Страница 89: ...89 KX TG8231B KX TG8232B KX TGA820B 15 3 Cabinet and Electrical Parts Charger Unit ...

Страница 90: ...90 KX TG8231B KX TG8232B KX TGA820B 15 4 Accessories and Packing Materials 15 4 1 KX TG8231B ...

Страница 91: ...91 KX TG8231B KX TG8232B KX TGA820B 15 4 2 KX TG8232B ...

Страница 92: ...92 KX TG8231B KX TG8232B KX TGA820B 15 4 3 KX TGA820B ...

Страница 93: ... DOUBLE SIDED 4 PQKM10766Z1 CABINET BODY ABS HB 5 PQKE10479Z1 CASE CHARGE TERMINAL PS HB 6 L0AA02A00072 SPEAKER 7 PQHG10729Z RUBBER PARTS CUSHION 8 PQHR11313Z GUIDE SPEAKER ABS HB 9 PQBC10507Z1 BUTTON MESSAGE AS HB 10 PQBX10400Z1 BUTTON FUNCTION ABS HB 11 PQSX10350Z KEYBOARD SWITCH 12 PQSA10208Z ANTENNA 13 PQJT10256Z CHARGE TERMINAL 14 PQKF10747Y1 CABINET COVER PS HB 15 PQGT19901Z NAME PLATE 16 PQ...

Страница 94: ...S C36 ECEA0JKA331 330 C50 ECUE1C103KBQ 0 01 Ref No Part No Part Name Description Remarks C51 ECUE1A104KBQ 0 1 C52 ECUE1H221JCQ 220P C53 ECUE1H221JCQ 220P C54 ECUE1C223KBQ 0 022 C55 ECUE1A104KBQ 0 1 C56 ECUV1C104KBV 0 1 C59 ECUE1A104KBQ 0 1 C60 ECUE1A104KBQ 0 1 C61 ECUE1A104KBQ 0 1 C62 ECUE1H220JCQ 22P C63 ECJ0EC1H080C 8P S C64 F2G1C1000014 10 C65 ECUE0J105KBQ 1 C67 ECUE1A104KBQ 0 1 C68 ECUE0J105KB...

Страница 95: ... UN9219J TRANSISTOR SI S Q23 2SD1819A TX TRANSISTOR SI S DIODES D1 B0JCME000035 DIODE SI D7 MA2Z72000 DIODE SI LED4 B3ACB0000133 LED LED5 B3ACB0000133 LED LED6 B3ACB0000133 LED LED7 B3ACB0000133 LED LED8 B3ACB0000133 LED LED9 B3ACB0000133 LED LED10 B3ACB0000133 LED Ref No Part No Part Name Description Remarks LED11 B3ACB0000133 LED COILS L1 G1C470M00025 COIL F1 PQLQR2M5N6K COIL S IC FILTERS L7 J0J...

Страница 96: ... C178 ECUE1H100DCQ 10P C179 ECUV1H100DCV 10P C180 ECUE1H331KBQ 330P OTHERS MIC L0CBAB000104 MICROPHONE E101 PQWE10050Z BATTERY TERMINAL ABS HB E102 PQSE10033Z SPECIAL SWITCH SHEET IC4 PQLP10293Z RF UNIT SW1 K0C115A00006 SEESAW SWITCH X1 H0J103500024 CRYSTAL OSCILLATOR 1 Ref No Part No Part Name Description Remarks Ref No Part No Part Name Description Remarks 200 PQLV30056YB CHARGER UNIT ASS Y RTL ...

Страница 97: ...e Description Remarks A201 PQLV209V AC ADAPTOR A202 PQQX16156Z INSTRUCTION BOOK 1 A203 PQQW15385Z LEAFLET 800 A204 PQKE10481Z1 HANGER BELT CLIP PC ABS HB P201 PQPH10101Z PROTECTION COVER for Charger Unit P202 PQPH10088Z PROTECTION COVER for Hand set P203 PQPK16042Y GIFT BOX P204 PQXDDS400 8 MAGNET ELECTRIC TRANSDUCER SECURITY TAG Ref No Part No Part Name Description Remarks A XTW26 T8PFJ TAPPING S...

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