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KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B

4.2.

Circuit Operations

4.2.1.

LCD Circuit

LCD data are output from pin 66 of IC410 to LCD module.
LCD contrast is set by electronic volume in LCD module.
VCC33 (+3.3V) of the power supply voltage is pressurized about four/three times in the LCD module and used as LCD driving volt-
age (approx. 13.8V(KX-DT546) / 10.0V(KX-DT543).)
The driving voltage is observed between pin 12 (V0) and pin 13(XV0) of CN460.

The lighting of the backlight is controlled by Q460.
The power of the backlight is output from DOUT4V5 of IC410.

4.2.2.

Reset Circuit

IC410 (DCX81) is reset internally by itself when power is supplied.
Reset Signal is output from IC410 and input into IC300 (pin 1) ,CN460 (pin 5) and IC150 (pin 41).

6

IC410

DCX81

R423

DG

3.3V

C362

DG

1

IC300

RSTN

10

R424

DG

CN400

10

CN160

5

ASIC_RST

R155

41

C151

DG

94

CN460

5

/RES

LCD_RS

IC150

VCC33

5

EXGPIO9

GPIO15

EXGPIO8

VCC1

VCC2
VCC3

VCC4

94

79

73

ASIC1

LCD

RESET

ASIC2

Main PCB

Ope PCB

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Содержание KX-DT543-B

Страница 1: ...tworks Co Ltd 2014 Unauthorized copying and distribution is a violation of law ORDER NO KMS1403012CE Digital Proprietary Telephone Model No KX DT543 KX DT543 B KX DT546 KX DT546 B White Version Black Version for USA Canada ...

Страница 2: ... Does Not Light 34 8 10 EHS Does Not Work 35 8 10 1 EHS Plantronics Does Not Work 35 8 10 2 EHS Jabra Does Not Work 36 9 Disassembly and Assembly Instructions 37 9 1 Remove Main Board and Ope Board 37 9 2 Remove and Assembly for LCD 38 9 3 Assembly for Lead wire 39 10 Miscellaneous 41 10 1 Terminal Guide of the ICs Transistors and Diodes 41 10 1 1 Main Board 41 10 1 2 Operation Board 41 10 2 How T...

Страница 3: ...vice Technicians Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires injury or electric shock which can be caused by improper repair work 1 When repair services are provided neither the products nor their parts or members shall be remodeled 2 If a lead wire assembly is supplied as a repair part the lead wire assembly shall...

Страница 4: ...heat the PCB for too long time in order to prevent 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 1 1 Suggested PbF Solder There are several types of...

Страница 5: ...5 KX DT543 KX DT543 B KX DT546 KX DT546 B 3 Specifications ...

Страница 6: ...rcuit IC170 IC171 IC172 IC173 SCL SDA INT RST Headset DET 3 3V Main PCB SPI2 PCM IPINT DI DO CLK CS TXD RXD FSY NC SCLK INTN RST LCD_PWR To PBX To TEL JK300 JK301 D300 DPT i f COMP Q331 Q332 COMP PCM i f SPI2 i f PBX i f Pow er IC510 L309 Q303 Q304 GPIO i f DG VCCA33 VCC33 DG ASIC1 IC300 Ope PCB I2C DET TX RX UTX URX EHS To Wired Headset HEADSETMIC HEADSP To Wireless Headset Jabra Plantronics Head...

Страница 7: ...ltage is observed between pin 12 V0 and pin 13 XV0 of CN460 The lighting of the backlight is controlled by Q460 The power of the backlight is output from DOUT4V5 of IC410 4 2 2 Reset Circuit IC410 DCX81 is reset internally by itself when power is supplied Reset Signal is output from IC410 and input into IC300 pin 1 CN460 pin 5 and IC150 pin 41 6 IC410 DCX81 R423 DG 3 3V C362 DG 1 IC300 RSTN 10 R42...

Страница 8: ... is input into pin 26 and 28 of IC300 The data to PBX is output from pin 32 and 33 of IC300 drives T300 by Transistor Q301 and transmitted JK300 1 2 3 4 5 L301 L302 D300 1 2 3 4 T300 1 2 4 5 6 7 10 9 8 DG R301 R302 R303 D301 1 2 3 VDD33 VDD33 DG VDD33 VDD33 R309 R310 R311 DG C303 C302 C301 L H T R C305 C304 R306 R307 R308 C306 C310 C311 Q301 1 E1 2 B1 3 C2 4 E2 5 B2 6 C1 R305 R304 C307 C308 DG PG ...

Страница 9: ...input into pin 21 and 23 of IC300 Power is controlled to the Slave DPT by means of a constant current circuit Q303 and Q304 as below IC300 pin 20 H Constant current circuit ON IC300 pin 20 L Constant current circuit OFF IC300 pin 25 H 40mA feed normal supply to Slave DPT IC300 pin 25 L 20mA feed initial supply to Slave DPT JK301 1 2 3 4 5 Q303 Q304 1 E1 2 B1 3 C2 4 E2 5 B2 6 C1 H D L D R319 R320 C...

Страница 10: ...built in DSP of IC410 Receiving signal is sent by data from PBX Gain adjustment and D A conversion by a built in DSP of IC410 amplified by a built in analog amplifier of IC410 output from IC410 pin 41 output to handset speaker MIP SPP SPN SPAMPEN IC410 DCX81 DG AGND AGND AGND SPP AGND SP2 MIP AGND MIC1 DG AGND SP1 MICBIAS SPN MIC2 MIN AGND AGND C500 C501 C504 C503 C507 C502 C506 C530 C531 C532 C53...

Страница 11: ... ASIC IC300 IC300 controls Data Communication refer to chapter 4 2 3 between PBX and proprietary telephone and DXDP Communication refer to chapter 4 2 4 IC410 controls IC300 with SPI Serial peripheral interface PCM signal encoded audio signal is exhanged between IC300 and IC410 IC410 C571 R566 AGND AGND AGND AGND AGND MICBIAS L461 L462 R569 C576 C577 C578 C579 C581 R570 C580 DG DCX81 26 LIN0 42 LO...

Страница 12: ... control and the KEY control use the same strobe STB signal Therefore the LED control and the KEY control are alternately executed The timing chart is as shown in the following Main PCB Ope PCB DCX81 IC410 CN400 7 8 11 10 8 9 CN160 6 5 4 7 43 41 38 44 1 7 4 10 68 69 CK4M SDA SCL ASIC_RST ASIC_INT IC150 ASIC2 ASIC1 IC300 DYN_CLK KEY_CLK DYN_CLK Standard CLK IC150 Internal Processing Dynamic Lightin...

Страница 13: ... pushed high level is latched by connecting STB output high and KEYIN If not low level is latched The value is fixed by reading twice once twice 7 SW44 is fixed KEY_CLK IC150 Internal LED_STB0 IC150 pin24 7 SW44 LED_STB1 IC150 pin25 LED_STB2 IC150 pin26 LED_STB3 IC150 pin27 LED_STB4 IC150 pin28 LED_STB5 IC150 pin29 LED_STB6 IC150 pin30 LED_STB7 IC150 pin31 KEYIN1 IC150 pin11 When LED_STB1 is high ...

Страница 14: ...T543 B KX DT546 KX DT546 B 4 2 9 LED Circuit The lighting of the LEDs is controlled by IC150 Ringer LEDs are static lighting system Other LEDs light up in a dynamic lighting system The duty ratio is 1 10 ON time 1 28ms ...

Страница 15: ...High output and Transistor Collector pin of the Low output 4 2 10 EHS Circuit EHS is controlled by IC150 The audio signals are exchanged with IC300 through HANDSET JACK JK501 12 6ms LED_STB2 Q110C Q111C Q112C Q113C Q117C CO3 Red lighting CO5 Red lighting CO10 Red lighting CO11 Red lighting CO14 Red lighting 1 28ms 0 1ms 䞉䞉䞉䞉 ...

Страница 16: ...RJ11 PBX feed INPUT Speaker 40 PG DG ASIC2 EHS LED KEY RJ11 DXDP feed 40 PG DCDC VCC33 DG 1 2V 1 8V VCCA33 VDD33 AGND LCD BOX 4 5V HEADGND 3 3V_L ASIC1 Data Communication LDO Analog Part Digital Part Amplifier Flash APU LDO LCD LCD Backlight MICBIAS MIC Handset Headset EHS Analog Circuit ...

Страница 17: ...17 KX DT543 KX DT543 B KX DT546 KX DT546 B 5 Location of Controls and Components 5 1 Name and Locations Front View ...

Страница 18: ... all operations with the headsets can be guaranteed Wired headsets Panasonic RP TCA400 or KX TCA430 EHS headsets Selected Plantronics brand headsets For up to date information about headsets that have been tested with this unit please contact your dealer When connecting cords Ensure the cords are inserted in the grooves and are clamped to prevent damage to the connectors ...

Страница 19: ...on Press SP PHONE key 3 Then the LCD displays Plantronics Test When skip Plantronics Test Press SP PHONE key The SP PHONE LED is on off according to EHS detestion of Plantronics headset Press SP PHONE key 4 Then the LCD displays Jabra Test When skip Jabra Test Press SP PHONE key The SP PHONE LED is on off according to EHS detestion of Jabra headset Press SP PHONE key 5 Then the LCD displays all do...

Страница 20: ...around 3 3V periodically YES Remove DPT from PBX YES Confirm the resistance value between VDD33 and TP UART_GND Is it about 367ȍ Related parts IC410 C420 C453 R557 R427 C421 C418 C419 C455 all parts around MICBIAS NO YES Confirm the resistance value between VCCA33 and TP UART_GND Is it higher than 1Mȍ Related parts IC410 IC401 IC300 LCD module all capacitors connected VCC33 NO YES Confirm the resi...

Страница 21: ...it working END Boot ROM Error into IC410 No 2 NO Is it possible to call other telephone from DPT DCX81 IC410 Flash ROM IC401 ASIC2 IC150 ASIC1 IC300 A LCD See Table 2 P 23 Flash ROM IC401 Data Error DSP Data Error No 3 4 6 7 See Table 3 P 24 ASIC2 IC150 Data Error No 5 See Table 4 P 25 See 8 2 ASIC1 IC300 Does Not Operate See 8 3 LCD Does Not Operate ...

Страница 22: ...ror See Table 3 ERR 1003 0002 HARDWARE ERROR 7 H L L H Flash ROM IC401 Data Errorr See Table 3 ERR 1003 1003 HARDWARE ERROR Q460 JTAG_RTCK pcbmark 1 JTAG_TDI JTAG_TDO JTAG_TCK AG DG IC300 JTAG_TMS E 1 1 2 2 5 3 6 37 48 L460 L461 R 4 1 5 L 4 6 2 R 4 1 8 R419 R 4 2 0 R 4 2 1 R422 R424 R428 R 4 3 7 R438 R439 R440 3 3V R453 R454 C422 R463 C 4 2 7 C428 C 4 3 1 LCD_A0 HESSPOUT S T 0 S T 1 S T 2 S C463 C...

Страница 23: ...ut 3 3V YES NO Related parts L222 NO C156 C151 C152 1 CLKIN 12 KEYIN2 13 KEYIN3 23 LED_COM3 34 LED_COM6 14 KEYIN4 15 KEYIN5 16 KEYIN6 17 KEYIN7 18 VSS2 19 VDD2 20 LED_COM0 21 LED_COM1 22 LED_COM2 24 LED_STB0 25 LED_STB1 26 LED_STB2 27 LED_STB3 28 LED_STB4 29 LED_STB5 30 LED_STB6 31 LED_STB7 32 LED_COM4 33 LED_COM5 35 LED_COM7 36 VDD3 37 VSS3 38 INT_OUT0 39 INT_OUT1 40 TEST 41 RESET 42 SCS 43 SCLK ...

Страница 24: ...he frequency of clock signal at Pin 6 of IC401 Is it 103 68MHz This clock is NOT continuous Refer to the waveform 2 YES Related parts IC410 IC401 R404 R405 R406 R407 R408 R409 C400 C559 NO YES Confirm the waveform of communication between IC401 and IC410 Refer to the waveform 3 END DG VCC33 DG IC410 C400 C559 R400 R401 R402 R403 R404 R405 R406 C490 C491 R407 R408 R409 IC401 108 107 105 104 1 2 C D...

Страница 25: ...ted parts Main PCB CN400 IC300 R334 Ope PCB CN160 R151 Flat Cable Between Main PCB and Ope PCB NO YES Confirm the frequency of clock signal at Pin 1 of IC150 Ope PCB Is it 2MHz Refer to the waveform 5 Related parts Main PCB CN400 IC300 IC410 R424 R455 R456 R443 R442 R334 R433 R452 R453 R454 Ope PCB CN160 IC150 L150 R151 Flat Cable Between Main PCB and Ope PCB NO YES Confirm the waveform of communi...

Страница 26: ...NO YES Confirm the waveform of communication SPI2 between IC300 and IC410 Refer to the waveform 9 YES Related parts IC410 R423 C362 NO YES Confirm the waveform of reset signal at Pin1 of IC300 Refer to the waveform 8 Related parts IC300 IC410 R330 R331 R332 R416 R441 NO YES Confirm the waveform of communication PCM between IC300 and IC410 Refer to the waveform 10 Related parts T300 C309 C302 C303 ...

Страница 27: ... parts L460 R435 NO NO Confirm the voltage between Pin 12 and Pin 13 of CN460 Is it about following voltage Note LCD contrast must be default setting Level 3 YES Related parts CN460 R430 432 R434 R436 R437 NO YES Confirm the waveform SCLK at TP SPI_CLK Refer to the waveform 13 Related parts LCD module CN460 NO YES Confirm the waveform at Pin 3 4 5 and 6 of CN460 Refer to the waveform 14 15 YES END...

Страница 28: ...irm the waveform of transmitting signals to DPT connected to DXDP port Refer to the waveform 17 END Confirm the voltage at Pin 4 of Q332 VDD33 Is it about 3 3V NO Related parts L221 Confirm the voltage between TP H D and TP L D Is it between 15V and 40V Confirm the waveform of receiving signals from DPT connected to DXDP port Refer to the waveform 16 C337 C333 R348 R349 D533 R350 355 C335 C336 Q33...

Страница 29: ...solder or replace parts as needed Headset problem SP phone or Ringer problem YES YES YES NO NO NO Handset problem END See 8 6 See 8 7 See 8 8 Check the soldering Resolder or replace parts as needed Related parts IC410 C519 C520 L465 C525 NO Confirm the waveform of dial tone at TP HSSPOUT while you leave a phone off the hook Can you see the waveform of dial tone YES Related parts JK501 R568 Handset...

Страница 30: ...01 NO YES Confirm the voltage between TP HSMIP and TP UART_GND Is it about 2 0V Related parts IC410 C442 R238 C443 NO YES Confirm the voltage between either end of C443 MICBIAS Is it about 2 5V YES Confirm the waveform of sending sound from handset microphone between TP HSMIP and TP HSMIN during a call Can you see the waveform of sending sound Confirm the voltage between Pin 6 of IC150 and AG Is i...

Страница 31: ...en you press the speaker button Can you see the waveform of dial tone YES Related parts Ope PCB JK160 Headset NO YES Can you hear dial tone from headset speaker END Related parts Main PCB CN400 Ope PCB CN160 C158 C159 C169 C168 L161 D161 Flat Cable Between Main PCB and Ope PCB NO Confirm the waveform of dial tone at Pin 5 of JK160 when you press the speaker button Can you see the waveform of dial ...

Страница 32: ...B CN160 C166 L160 D162 C165 Flat Cable Between Main PCB and Ope PCB NO YES Confirm the voltage between TP HESMIN and TP UART_GND Is it about 2 4V Related parts IC410 C442 R238 C443 NO YES Confirm the voltage between either end of C443 MICBIAS Is it about 2 5V YES Confirm the waveform of sending sound from heaset microphone between TP HESMIN and TP UART_GND during a call Can you see the waveform of...

Страница 33: ...cable NO YES Can you hear dial tone from Speaker phone speaker END Check the soldering Resolder or replace parts as needed Related parts Main PCB R535 R533 R532 C540 C541 R530 R531 C530 IC410 mini PCB for microphone R1 R2 MIC1 NO END Related parts C540 R532 R565 R534 C569 NO YES Confirm the voltage between TP MIP and TP UART_GND Is it about 1 9V Related parts IC410 C442 R238 C443 NO YES Confirm th...

Страница 34: ...D light YES Related parts IC150 R108 D109 and Jumper chip NO Does RINGER LED RED light YES Related parts IIC150 R109 D108 Q104 R110 and Jumper chip NO Does RINGER LED GREEN light YES Related parts IC150 D117 R100 R101 R111 Q110 R186 and Jumper chip NO Does CO01 LED flexible Button light YES Related parts IC150 D131 R102 R103 R111 Q114 R194 and Jumper chip NO Does CO24 LED flexible Button light YES...

Страница 35: ... Related parts R185 IC173 R170 R171 R172 D170 C170 C171 and Jumper chip NO Measure the EHSTX signal between Pin 3 and Pin 4 of JK302 See the communication waveform Refer to the waveform 18 YES Related parts R182 Q172 R180 IC172 R176 Q171 R173 R174 and Jumper chip NO Measure the EHSRX signal Pin 8 of IC150 See the communication waveform Refer to the waveform 19 YES Related parts IC150 JK302 NO Conf...

Страница 36: ...0 IC172 R176 Q171 R170 R171 R172 R173 R174 C170 C171 D170 and Jumper chip NO Measure the JABRA_URX signal at Pin 10 of CN160 See the communication waveform Refer to the waveform 21 YES Related parts IC150 JK302 NO Confirm the EHS communication Can you use the EHS YES END Measure the JABRA_URX signal at Pin 10 of IC410 on Main PCB See the communication waveform Refer to the waveform 21 YES NO Relat...

Страница 37: ... B KX DT546 KX DT546 B 9 Disassembly and Assembly Instructions 9 1 Remove Main Board and Ope Board 1 Remove the Stand 2 Remove 7 Screws A 3 Remove the Lower Cabinet 4 Remove 4 Screws A 5 Remove 2 Flat Cables and Connector ...

Страница 38: ...6 KX DT546 B 9 2 Remove and Assembly for LCD Please note the tab when LCD is resolved and assembled 6 Remove 2 Screws A 7 Remove the Main Board 8 Remove 2 Screws A 9 Remove the PCB Holder 10 Remove 5 Screws A 11 Remove the Ope Board ...

Страница 39: ...lue Blue Orange Orange Orange Solder Solder Solder Solder Solder Solder Locate the lead wire as shown in a figure The connector is surely inserted up to the root and locked A Insert Cable to under PCB as fig White modle only WIRE ORANGE WIRE BLUE PCB HOLDER NG Reference line ACETATE TAPE Width 10mm L 15mm B Stick tape following to the standard line Ope BOARD Ope BOARD Ope BOARD Main BOARD Main BOA...

Страница 40: ...40 KX DT543 KX DT543 B KX DT546 KX DT546 B Note Cable is to be inserted into connector CN460 CN400 CN160 without any inclining as shown NG OK ...

Страница 41: ...41 KX DT543 KX DT543 B KX DT546 KX DT546 B 10 Miscellaneous 10 1 Terminal Guide of the ICs Transistors and Diodes 10 1 1 Main Board 10 1 2 Operation Board ...

Страница 42: ... to the P C board when cutting the pins with a cutter 2 Make a few cuts into the joint between the IC and its pins first and then cut off the pins thoroughly 3 While the solder melts remove it together with the IC pins When you attach a new IC to the board remove all solder left on the land with some tools like a soldering wire If some solder is left at the joint on the board the new IC will not b...

Страница 43: ...43 KX DT543 KX DT543 B KX DT546 KX DT546 B 10 2 5 Memo ...

Страница 44: ...ND DG IC300 13 CK4M 14 VSS2 15 GPIO0 16 VSS3 17 GPIO1 18 GPIO2 19 VDD1 20 GPIO3 21 DVRL 22 DDR 23 DVRH 24 NC1 25 GPIO4 26 PVRL 27 PDR 28 PVRH 29 NC2 30 VDD2 31 VSS4 32 PDX1 33 PDX0 34 GPIO5 35 GPIO6 36 GPIO7 37 VSS5 38 OSI 39 OSO 40 VSS6 41 INTN 42 VSS7 43 VDD3 44 NC3 45 STEST0 46 STEST1 47 DDX0 48 DDX1 1 RSTN 2 OSR 3 OEP0 4 OEP1 5 OSYNC 6 VSS1 7 OCLK 8 OSX 9 SPITX 10 SPIRX 11 SPICLK 12 SPICS 1 2 ...

Страница 45: ...PG C332 1u 50 C331 1u 50 R342 560 R343 330 VDD33 DG DG DG C330 0 1u 10 R340 100 R341 100 R312 1 2k R313 1 2k Q332 1 E1 2 B1 3 C2 4 E2 5 B2 6 C1 DG C337 1u 50 R348 330 R349 560 DG VDD33 DG C333 0 1u 10 DG C334 NC VDD33 VDD33 C335 0 1u 10 DG C336 0 1u 10 DG DG R350 4 7k R351 4 7k R352 15k R353 5 6k R354 6 8k R355 10k DG R537 620k R556 750k C552 0 015u 16 C533 8200p R539 18k R538 10k C554 100p IC510 ...

Страница 46: ...47k R423 47k DG DG DG DG DG JTAG_RTCK JTAG_TDI JTAG_TMS JTAG_TCK JTAG_TDO DG AGND UTX URX UART_GND D460 C460 22u L460 C462 1u C466 1u C464 1u C463 1u CN460 1 ESD VSS 2 SCL 3 SDA 4 A0 5 RES 6 CS 7 VDD1 8 VD1 9 VSS 10 VDDA 11 VM 12 VO 13 XVO 14 VG 15 ESD VSS C467 1u DG VCC33 C461 1u C465 1u STRAP DG CN400 1 2 3 4 5 6 7 8 9 10 11 12 13 14 AGND 3 3V SCL SDA CK4M V1 8 UTX URX HEADSETMIC HEADSP R418 10k...

Страница 47: ...C C524 NC C526 NC C527 NC C528 NC C530 33p 50 C531 NC C532 NC C534 NC C535 NC C537 NC C538 NC R534 2 2k R535 2 2k R532 220 R533 220 C536 NC DG DG DG DG G D G D DG DG DG D500 NC D501 NC D530 NC D531 NC D515 NC D516 NC D517 NC R501 0 R502 0 Q460 HSMIP HSMIN HSSPOUT R568 0 C582 NC C583 NC DG C584 NC DG C585 NC C586 NC C587 NC C588 NC DG VCCA33 DG VCC33 JK501 1 2 3 4 5 L463 L464 L465 R564 330 C570 10u...

Страница 48: ...1 12 13 14 DG 3 3V AGND C161 0 1u C160 10u C162 NC AGND JABRA_UTX JABRA_URX JK160 1 4 2 3 5 AGND AGND AGND SW60 1 2 C165 330p C167 NC C166 1000p R170 22 R171 22 R177 330 R172 0 R175 1k R174 10k R173 33k R176 330 R182 10k R181 10k R180 10k AGND HEADGND HEADGND HEADGND HEADGND HEADGND HEADGND C156 0 1u C153 4 7u C150 0 1u C152 0 1u C151 0 01u R160 NC R161 2 7k C164 NC HEADGND AGND HEADGND J201 J219 ...

Страница 49: ... 4 1 2 D127 CO22 3 4 1 2 D126 STORE SW01 1 2 SW02 1 2 SW10 1 2 SW19 1 2 SW26 1 2 SW34 1 2 SW33 1 2 SW09 1 2 SW08 1 2 SW07 1 2 SW06 1 2 SW05 1 2 SW04 1 2 SW03 1 2 SW12 1 2 SW13 1 2 SW14 1 2 SW15 1 2 SW16 1 2 SW17 1 2 SW18 1 2 SW25 1 2 SW24 1 2 SW23 1 2 R107 150 R105 150 R103 150 R101 150 R111 4 7k 1 2 3 4 5 6 7 8 SW11L 1 2 SW20L 1 2 SW29 1 2 SW45 1 2 SW58 1 2 SW22L 1 2 SW30 1 2 SW38 1 2 SW46 1 2 SW...

Страница 50: ... IC410 2 Clock IC401 Flash 103 68MHz 6pin of IC401 3 IC401 Flash IC410 DCX81 signal Communication 4 Clock IC300 ASIC1 16 384MHz 39pin OSO of IC300 5 Clock IC150 ASIC2 2MHz 1pin ASIC_CLK of IC150 6 IC150 ASIC2 IC410 DCX81 signal Reset 3 3V 41pin ASIC_RST of IC150 1pin CS of IC401 6pin CLK of IC401 5pin IO0 of IC401 ...

Страница 51: ...on 43pin I2C_SCL of IC150 44pin I2C_SDA of IC150 43pin I2C_SCL of IC150 44pin I2C_SDA of IC150 8 IC300 ASIC1 IC410 DCX81 signal Reset VCC33 1pin RESET of IC300 9 IC300 ASIC1 IC410 DCX81 signal SPI2 SPI2_CLK SPI2_CS SPI2_DO SPI2_DI 10 IC300 ASIC1 IC410 DCX81 signal PCM PCM_SCLK PCM_FSYNC PCM_TXD PCM_RXD ...

Страница 52: ...gnal Receiving signals Between H and L Receiving signals from PBX 27pin PDR of IC300 26pin PVRL of IC300 12 DPT PBX signal Transmitting signals Between H and L Transmitting signals to PBX 32pin PDX1 of IC300 5pin of T300 33pin PDX0 of IC300 1pin of T300 28pin PVRH of IC300 ...

Страница 53: ... B KX DT546 KX DT546 B 11 4 4 No 13 15 13 Clock LCD SPI_CLK SPI_CLK SPI_CLK 14 LCD IC410 DCX81 signal Reset 15 LCD IC410 DCX81 signal Communication VCC33 LCD_RST SPI_CLK SPI_CS0 LCD_A0 SPI_D0 SPI_CLK SPI_CS0 LCD_A0 SPI_D0 ...

Страница 54: ...l Receiving signals Between HD and LD Receiving signals from DXDP 22pin DDR of IC300 21pin DVRL of IC300 23pin DVRH of IC300 17 DXDP signal Transmitting signals Between HD and LD Transmitting signals to DXDP 47pin DDX0 of IC300 3pin of Q332 48pin DDX1 of IC300 2pin of Q331 ...

Страница 55: ...KX DT546 B 11 4 6 No 18 21 18 EHSTX signal 19 EHSRX signal Between 3pin and 4pin of JK302 8pin EHS_RX of IC150 20 JABRA_UTX signal Between 1pin and 4pin of JK302 21 JABRA_URX signal 10pin JABRA_URX of CN160 10pin of IC410 on Main PCB ...

Страница 56: ...56 KX DT543 KX DT543 B KX DT546 KX DT546 B 11 4 7 Memo ...

Страница 57: ... L464 L465 R530 R531 C 3 0 1 R532 C302 R533 C303 R 5 3 4 C304 R 3 4 0 R 5 3 5 C305 R341 R 3 4 2 R537 R343 R538 R539 C309 R345 R 3 4 6 R347 C 5 0 0 R348 C 5 0 1 R349 C 5 0 2 C 5 0 3 R 5 4 0 C 5 0 4 R541 R 5 4 2 C 3 1 2 C 5 0 6 C 3 1 3 C 5 0 7 R 3 5 0 R545 R 3 5 1 R546 R 3 5 2 R 5 4 7 R548 C513 C514 C515 R552 C516 C517 R554 C 5 1 8 C325 R556 C521 C522 C 5 2 3 R560 C 5 2 4 C330 C525 C331 R561 C 5 2 6...

Страница 58: ... C 4 6 6 C467 JTAG_TCK PEP1 SPI_DO 4 5 V H D G P I O 3 GPIO4 L D R 3 0 4 R305 R 3 0 6 R307 R 3 0 8 LCD_RST R 3 3 0 R 3 3 1 R 3 3 2 R 3 3 3 R 3 3 4 R536 C306 C 3 0 7 C308 C 3 1 0 C 3 1 1 R 3 5 3 R354 R355 C323 C 3 2 4 C 3 2 6 R557 C 3 2 7 R 5 5 8 C328 R559 C 3 2 9 R 5 6 3 R564 R 5 6 5 C 3 3 5 R 5 6 6 C336 R 5 6 9 1 2 V R570 H E S M I N D 3 0 1 C 3 6 2 TP_LED TP_LED C563 C 5 6 4 C565 C L 1 C 5 6 6 C...

Страница 59: ...0 D161 D163 R154 CO12 CO11 CO10 CO9 CO8 CO7 CO6 CO5 CO4 CO3 CO2 CO1 CO13 CO14 CO15 CO16 CO17 CO18 CO19 CO20 CO21 CO22 CO23 CO24 SP PHONE INTERCOM CANCEL RIGHT UP ENTER SOFT4R SOFT4L SOFT3R SOFT3L SOFT2R SOFT2L SOFT1R SOFT1L LEFT DOWN STORE FWD DND HOLD TRANSFER CONF MUTE 9 6 3 2 5 8 0 7 4 1 REDIAL FLASH RECALL PAUSE MESSAGE C11 C12 Q114 R201 Q115 R195 R197 R200 R183 AG2 R203 Q174 J238 J240 J242 J2...

Страница 60: ...60 KX DT543 KX DT543 B KX DT546 KX DT546 B 12 2 2 MIC Board Component View M I C D1 R1 R2 M I C cam18 cam19 MIC MIC1 0 BOARD COMPONENT VIEW MIC C1 ...

Страница 61: ... 13 Appendix Information of Schematic Diagram Note 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 1 The schematic diagrams and circuit board may be modified at any time with the development of new technology ...

Страница 62: ...n use Pull down to DG at 47kΩ 28 DCIN2 DG I Not in use Pull down to DG at 47kΩ 29 DCIN3 LIN1 DG I Not in use Pull down to DG at 47kΩ 30 LEDSINK1 PWM1 NC O Not in use 31 VREF VREF O VCCA reference voltage 32 VCCA VCCA33 I Analog power Pull up to VCCA33 at 10Ω 33 MIN MICN I Hands free Mic negative input 34 MIP MICP I Hands free Mic positive input IC410 83 TDI 84 TCK 85 TMS 86 RTCK 87 GPIO10 88 GPIO1...

Страница 63: ...IO2 PCM_TXD O PCM Send data output to IC300 PCM communication port 71 GPIO3 PCM_FSYNC I PCM Frame sync signal PCM communication port 72 GPIO4 PCM_SCLK I PCM Clock PCM communication port 73 VCC2 VCC33 I Digital system power supply 3 3V 74 GPIO5 PCM_RXD I PCM Receive data input from IC300 PCM communication port 75 GPIO6 SPI2_DI I SPI2 Serial data input SPI2 communication port 76 GPIO7 SPI2_DO O SPI2...

Страница 64: ...oftware download data Select the software download mode by STRAP 81 pin 102 GPIO25 NC I O Not in use 103 EXGPIO0 NC I O Not in use 104 QCSN0 S O QSPI Flash chip select 0 QSPI Flash communication port 105 DQ3 DQ3 I O QSPI Flash data pin 3 QSPI Flash communication port 106 QVCC VCC33 I Digital system power supply 3 3V 107 DQ1 DQ1 I O QSPI Flash data pin 1 QSPI Flash communication port 108 QSCLK C O ...

Страница 65: ...Reference voltage for comparator For DXDP 24 NC1 NC1 Not in use 25 GPIO4 GPIO4 O DXDP constant current control port H Constant current circuit ON 26 PVRL PVRL I Reference voltage for comparator 27 PDR PDR I Receive data input 28 PVRH PVRH I Reference voltage for comparator 29 NC2 NC2 Not in use 30 VDD2 VCC33 Digital system power supply 3 3V 31 VSS4 DG Digital system ground 32 PDX1 PDX1 O Send data...

Страница 66: ...TB1 O Dynamic Strobe Port1 26 LED_STB2 LED_STB2 O Dynamic Strobe Port2 27 LED_STB3 LED_STB3 O Dynamic Strobe Port3 28 LED_STB4 LED_STB4 O Dynamic Strobe Port4 29 LED_STB5 LED_STB5 O Dynamic Strobe Port5 30 LED_STB6 LED_STB6 O Dynamic Strobe Port6 31 LED_STB7 LED_STB7 O Dynamic Strobe Port7 32 LED_COM4 Control_LED_COM4 O Control of Dynamic Common Port4 33 LED_COM5 Control_LED_COM5 O Control of Dyna...

Страница 67: ...d Electric Parts SCREWS A Ref No Figure ȭ2 6 10 mm KX DT546 7 4 3 2 1 KX DT543 A A A A A A A A A A 8 21 17 16 34 33 7 12 11 27 13 15 14 18 20 25 5 4 3 2 1 32 PCB2 a PCB2 b 28 22 19 23 26 31 29 PCB1 39 36 37 37 37 38 37 A A A A A A A 35 40 6 41 28 A 40 24 10 9 ...

Страница 68: ...68 KX DT543 KX DT543 B KX DT546 KX DT546 B 14 3 Accessories and Packing Materials P1 A2 A1 A3 P3 P4 KX DT546 P2 A4 ...

Страница 69: ...KEY WHITE S 15 PNBC1499Z1 ENTER KEY BLACK S 16 PNBX1104Z1 CO KEY RIGHT_BLACK S 16 PNBX1104Z2 CO KEY RIGHT_WHITE S 17 PNBX1110Z1 CO KEY LEFT_BLACK S 17 PNBX1110Z2 CO KEY LEFT_WHITE S 18 PNBX1105Y2 LCD KEY WHITE S 18 PNBX1105Z1 LCD KEY BLACK S 19 PNBX1102Z1 16 KEY BLACK S 19 PNBX1102Z2 16 KEY WHITE S 20 PNBX1340Z1 9 KEY BLACK S 20 PNBX1340Z2 9 KEY WHITE S 21 PNHR1336Z LED LENS 22 L0AA05A00105 SPEAKE...

Страница 70: ...TE DT546 Safety Ref No Part No Part Name Description Remarks PCB1 PNWP1DT546M MAIN P C BOARD ASS Y RTL DT546 PCB1 PNWP1DT543M MAIN P C BOARD ASS Y RTL DT543 ICs IC300 C1CB00004107 IC Safety Ref No Part No Part Name Description Remarks IC401 IC There is no parts supply of onlyIC PleaseorderPCB1 IC410 C2HBCY000134 IC IC510 C0DBAYY01936 IC TRANSISTORS Q301 B1HDCFA00011 TRANSISTOR SI Q303 B1ABMF000004...

Страница 71: ...00 0 C573 ERJ2GE0R00 0 C574 F1J0J2260002 22 C575 F1J0J2260002 22 C576 ECUE1H102KBQ 0 001 C577 ECUE1H102KBQ 0 001 C580 ECUE0J474KBQ 0 47 S Safety Ref No Part No Part Name Description Remarks C581 ECUE1H102KBQ 0 001 RESISTORS L220 ERJ3GEY0R00 0 L221 ERJ3GEY0R00 0 L222 ERJ3GEY0R00 0 R238 ERJ2GEJ391 390 R301 ERJ3GEYJ271 270 R302 ERJ3GEYJ220 22 R303 ERJ3GEYJ220 22 R304 ERJ2GEJ182 1 8k R305 ERJ2GEJ182 1...

Страница 72: ...TOR S Safety Ref No Part No Part Name Description Remarks PCB2 a PNWP2DT543NE Ope P C BOARD ASS Y RTL PCB2 b PNWP3DT543NE MIC P C BOARD ASS Y RTL ICs IC150 C1AB00003354 IC IC170 B3PBA0000138 PHOTO ELECTRIC TRANSDUCER IC171 B3PBA0000138 PHOTO ELECTRIC TRANSDUCER IC172 B3PBE0000073 PHOTO ELECTRIC TRANSDUCER IC173 B3PBE0000073 PHOTO ELECTRIC TRANSDUCER TRANSISTORS Q104 B1ABGE000014 TRANSISTOR SI Q110...

Страница 73: ...0 0 J234 ERJ8GEY0R00 0 J235 ERJ8GEY0R00 0 J237 ERJ8GEY0R00 0 Safety Ref No Part No Part Name Description Remarks J238 ERJ8GEY0R00 0 J239 ERJ8GEY0R00 0 J240 ERJ8GEY0R00 0 J241 ERJ8GEY0R00 0 J242 ERJ8GEY0R00 0 J243 ERJ8GEY0R00 0 J244 ERJ8GEY0R00 0 J245 ERJ8GEY0R00 0 J246 ERJ8GEY0R00 0 J247 ERJ8GEY0R00 0 J248 ERJ8GEY0R00 0 J249 ERJ8GEY0R00 0 J250 ERJ8GEY0R00 0 J251 ERJ8GEY0R00 0 J252 ERJ8GEY0R00 0 J2...

Страница 74: ...3GEYJ102 1k R198 ERJ3GEYJ102 1k R200 ERJ3GEYJ102 1k R202 ERJ2GEJ222 2 2k R203 ERJ2GE0R00 0 FILTERS AND COILS L150 J0JYC0000070 IC FILTER L160 PQLQR2KB113T COIL S L161 PQLQR2KB113T COIL S L162 PQLQR2KA113 COIL S L163 PQLQR2KB113T COIL S VARISTORS D160 D4ED12700007 VARISTOR D161 D4ED18R00008 VARISTOR D162 D4ED18R00008 VARISTOR D163 D4ED18R00008 VARISTOR D171 D4ED1270A004 VARISTOR Safety Ref No Part ...

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