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KX-TD7685

14 Printed Circuit Board

14.1. Handset(Main)

14.1.1. Conponent View

14.1.2. Bottom View

PbF

PSUP1663Z

KX-TD7685 COMPONENT VIEW

CN406

JT101

CHG+

CHG-

JT102

TP601

ANT1

C614

JP601

C617

C609

R614

R613

C610

R611

R607

C606 C607 R608 C608

R610

FB602

R609

IC601

C604

L601

C601

CK2

FB601

C602

C603

R612

IC602

R605

C108

R602

C605

C612

C611

R604

C451

C402

BATT

C410

C455

C419

CN401

C454

C406

IC401

C453

IP102

IP101

C613

C120

C107

C616

R434

R427

CN404

C436

R426

R202

R206

R207

R203

R205

R204

CN202

C426

C431

R405

C430

C428

C429

R432

R421

R402

C409

C405

C432

C404

C401

C407

L103

C427

C425

C424

R404

R401

C408

R403

C403

R406

D402

Q304

R315

IC302

C310

C317

C309

L301

C312

C311

C308

R214

R215

C206

C434

C205

C112

R121

R107

R106

R435

R217

R120

R105

C111

R216

C230

R113

C115

R112

Q105

C232

C227

R221

C201

L201

C229

C228

C203

C231

R218

IC201

D203

R108

C122

C106

C123

CK3

D102

R117

C110

R111

C109

Q104

R433

R222

C214

R110

C412

C212

C210

C204

C211

C213

C420

C422

R410

R409

R411

C416

C417

C418

X100

R115

C114

R417

C103

C452

C423

R412

C435

L102

C102

D304

CN301

D103

Q103

Q102

Q101

R103

L101

R101

R118

CK1

CK14

JTAG

URX

GND

UTX

SYRI

CK13

CK5

CK7

CK6

JP601

TP601

CK14
(3.1V)

CN202

CK2

CK6

(2.7V)

MIC
Terminals

CK7

(5V)

CK5

(1.8V)

SYRI

(10.368MHz)

CK1

BATTERY

+, -

KX-TD7685 BOTTOM VIEW

PbF

PSUP1663Z

C304

C305

C307

IC301

D302

D301

C217

C216

C215

C218

C220

C222

C221 C219

C223

C224

C225

D202

CN405

D201

Q301 Q302

D403

R407

C411

C421

R302

R301

D404

C456
C414

C313
C301

C316

C315

C302

IC303

Q303

R311

X101

R310

R313

R312

R309

C306
R304

R308

R319

R323

R320 R321 R322

C303

C314

R306 R307

D318

D305

D307

D306

D317

SW11

SW01

SW2

SW31

SW21

SW51

SW53

SW52

SW42

SW32

SW02

SW12

SW22

SW40

SW1

SW41

D309

D308

D311

D310

SW23

SW13

SW03

SW33

CN403

SW43

POWER

Key

Содержание KX-TD7685 - Wireless Digital Phone

Страница 1: ... 2008 Panasonic Communications Co Ltd All rights reserved Unauthorized copying and distribu tion is a violation of law ORDER NO KMS0802461CE F19 DECT6 0 Portable Station KX TD7685 for U S A ...

Страница 2: ... Ringer Trouble Handset 33 9 6 Key Click Sound Trouble Handset 34 9 7 No Link Trouble 35 9 8 No Voice Transmission 36 9 9 No Voice Reception 37 9 10 Password Trouble 38 9 11 Things to Do After Replacing Main Board BBIC 39 10 Disassembly and Assembly Instructions 40 10 1 Handset 40 10 2 Charger 42 11 Measurements and Adjustments 43 11 1 Adjustment for Main Part Handset 43 11 2 Adjustment for RF Par...

Страница 3: ...ith the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacture s Instructions 2 Warning 2 1 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 when discussing the lead free solder used in our manuf...

Страница 4: ... 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 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 3mm 0 6mm and 1 0mm 3 Specifications ...

Страница 5: ...5 KX TD7685 4 Technical Descriptions 4 1 Block Diagram Handset ...

Страница 6: ...t driver with PWM RF Module IC601 PLL Oscillator Detector Compress Expander Amplifier for reception Amplifier for transmission Power control 4 2 2 Power Supply Circuit Reset Circuit When power on the Handset the voltage is as follows BATTERY 3 5 V to 4 2V Battery Q104 1 8V Q105 2 7V The Reset signal generates pin 78 of IC201 and 1 8V 3 1V for IC601 is generated with IC602 5 0V for Key back light a...

Страница 7: ...m battery The detected voltage is as follows Battery Low Battery voltage V Batt 3 5V 50mV The BBIC detects this level and starts flashing Power Down Battery voltage V Batt 3 3V 50mV The BBIC detects this level and power down 4 2 5 TX Audio Path Microphone An audio signal from microphone is input to pin 76 MIC of IC201 via headset jack CN404 In IC201 the audio signal is converted from the analog si...

Страница 8: ...from pin 68 LSR and pin 69 LSR to the receiver Headset When the headset is inserted a signal to the receiver is cut off and audio signal from pin 68 LSR of IC201 is input to the headset Speakerphone In Speakerphone mode the BBIC IC201 makes pin 1 of IC401 from Low to High And an audio signal from pin 70 LSR_HS of IC201 is sent to a monitor speaker through speaker Amplifier IC IC401 ...

Страница 9: ...ols each LED through MIDI IC301 Type of LED LED ON LED OFF IC301 Transistor IC301 Transistor Call Charge indicator LED green D302 pin 34 high Q302 ON pin 34 low Q302 OFF Call Charge indicator LED red D301 pin 33 high Q301 ON pin 33 low Q301 OFF LCD back light LED blue D305 D307 Key back light LED blue D308 D311 pin 31 low Q304 OFF pin 31 high Q304 ON ...

Страница 10: ...C201 makes pin 1 of IC401 from low to high 4 2 10 Key Click Sound Circuit When the key is pushed a signal is sent from pin 45 of IC201 to a monitor speaker through speaker Amplifier IC IC401 At this time BBIC IC201 makes pin 1 of IC401 from low to high 4 2 11 Vibrator Circuit BBIC IC201 controls Vibrator through MIDI IC301 Pin 37 VIB of IC301 goes low and Vibrator turns ON ...

Страница 11: ...11 KX TD7685 5 Location of Controls and Components 5 1 Handset ...

Страница 12: ...12 KX TD7685 ...

Страница 13: ...may cause it to become disconnected 6 2 Battery 6 2 1 Battery Installation Insert the battery and close the cover as indicated below 6 2 2 Battery Charge At the time of shipment the battery is not charged Please charge the battery for about 7 hours before using the handset for the first time When the battery has been completely charged the charge indicator will change from red to green It is norma...

Страница 14: ...he battery has been fully charged the battery should be replaced Before replacing the battery make sure the low battery warning is displayed then turn off the power to prevent memory loss Replace the battery and charge the new battery for at least 7 hours If you replace the battery before the low battery warnings appears the battery strength icon may display an incorrect reading In this case use t...

Страница 15: ...Handset PSZZ1TD7896M 3 Maintenance software for PC PSZZ3TD7896M 7 2 Initial Setting 1 Connect the handset with your PC with the RS 232C cable 2 Copy the Maintenance software FlashProgram exe from Floppy Disk to your PC and double click the FlashProgram exe to start the program Then following screen appears ...

Страница 16: ...685 3 Set communication environment Click Config and configure as follows Click OK Selected items will be stored 7 3 Command Reference 7 3 1 Select From Command Menu Example of Operation 1 Click test command tag ...

Страница 17: ...17 KX TD7685 2 Click Command menu button and select the command that you want execute in case of test command EPW 3 Set parameters if necessary ...

Страница 18: ...DD 4 Set the value 00 0F to the first parameter 5 Click Send button if returned value is OK It succeeded B Test Command RFC clock RFC 1 Click Command menu button 2 Point clock 3 Click RF clock RFC 4 Set 1 ON to the first parameter 5 Click Send button if returned value is OK It succeeded C Test Command frequency trimming SFR 1 Click Command menu button 2 Point clock 3 Click frequency trimming SFR 4...

Страница 19: ... EPW 1 Click Command menu button 2 Point memory access 3 Click eeprom write EPW 4 Set parameters as follows First parameter address No 2 byte Second parameter Length 1 10 Hex Third parameter Data 5 Click Send button Returned value is data you wrote H Test Command set modulation SMR 1 Click Command menu button 2 Point RF 3 Click set modulation SMR 4 Set first parameter 25 as a provisional value 5 C...

Страница 20: ...is software Version L Test Command eeprom initialize EPD 1 Click Command menu button 2 Point memory access 3 Click eeprom initialize EPD 4 Set the value F to first parameter 5 Click Send button if returned value is OK It succeeded M Test Command memory write WRT 1 Click Command menu button 2 Point memory access 3 Click memory write WRT 4 Set parameters as follows First parameter address No 2 byte ...

Страница 21: ...2 Input the command and parameter if necessary directly to the command box Don t set parameter to the parameter box in case of test command WB2 3 Click send button Maintenance Window is generated and transmitted command and parameters are displayed Then receive data from the Base Unit is displayed ...

Страница 22: ...4 34 2 Click Send button if returned value is OK It succeeded D Test Command MCW 1 Input the command directly to the command box 2 Click Send button if returned value is OK It succeeded E Test Command BWP 1 Input the command directly to the command box 2 Click Send button if returned value is OK It succeeded F Test Command M2B 1 Input the command and one parameter 0 fixed value directly to the com...

Страница 23: ...to the command box Example LOP 1 2 Click Send button if returned value is OK It succeeded J Test Command VIB 1 Input the command and one parameter 0 OFF 1 ON directly to the command box Example VIB 1 2 Click Send button if returned value is OK It succeeded K Test Command PWC 1 Input the command directly to the command box 2 Click Send button if returned value is OK It succeeded L Test Command SLC ...

Страница 24: ...tware Upload 8 1 1 Required Equipment 1 Personal Computer with serial port 2 RS232C cable for Handset PSZZ1TD7896M 3 Maintenance software for PC PSZZ3TD7896M 8 1 2 Before Uploading Step1 Run FlashProgram exe Then following screen appears ...

Страница 25: ...tion environment Click Config and configure as follows Click OK Selected items will be stored 8 1 3 How To Upload Step 3 Connect Handset and PC with the RS 232C cable Caution COM port on PC should match with the one selected in Step 2 ...

Страница 26: ...ower of target KX TD7685 to OFF Press and hold POWER key for 2 seconds 5 3 Keep pressing POWER key until step 5 6 This operation will not turn the power of target to ON If the target s power turns on check following items Then try again from Step 1 A Check the connection of PC and KX TD7685 Handset with RS 232C cable B Check Configuration Refer to Step 2 C Check the RS 232C cable attachment of tar...

Страница 27: ...Don t release the POWER key in this step If the POWER key is released uploading will be failed 5 5 Communication check OK If communication check result is OK CRC ok will be displayed If communication check result is NG click cancel Then back to step 5 1 and try uploading again ...

Страница 28: ...eral seconds Flash Program Start will be displayed You can release the POWER key in this step 5 7 After uploading completion After uploading is completed Download finished successfully will be displayed Click OK and disconnect the RS 232C cable ...

Страница 29: ... the suspected parts check the soldering and resolder or replace the parts if it is necessary 9 1 Power Trouble Handset 9 1 1 Power Does Not Go On Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 30: ...ed Refer to 9 11 1 When Replacing IC201 BBIC Adjustment should be done if LCD unit is replaced Refer to Section 11 1 6 Adjustment for LCD Contrast 9 2 Battery Charge Trouble Handset 9 2 1 Charge On Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 31: ...31 KX TD7685 9 2 2 Charge Off Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 32: ...CD Back Light Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC 9 3 2 Charging And Ringing LED Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 33: ...ross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC 9 5 Ringer Trouble Handset Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 34: ...34 KX TD7685 9 6 Key Click Sound Trouble Handset Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 35: ...35 KX TD7685 9 7 No Link Trouble Cross Reference Adjustment should be done if IC201 BBIC or Main Board is replaced Refer to 9 11 Things to Do After Replacing Main Board BBIC ...

Страница 36: ...36 KX TD7685 9 8 No Voice Transmission Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 37: ...37 KX TD7685 9 9 No Voice Reception 9 9 1 Talk Mode Cross Reference Adjustment should be done if IC201 BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC ...

Страница 38: ... BBIC is replaced Refer to 9 11 1 When Replacing IC201 BBIC 9 10 Password Trouble 9 10 1 User Password is forgotten Test command PWC Refer to Section 7 3 2 K set user password to 1234 9 10 2 System Lock Password is forgotten Test command SLC Refer to Section 7 3 2 L unlock the system lock ...

Страница 39: ...t Refer to Section 11 1 6 9 Adjustment for modulation Refer to Section 11 2 4 Note If Need Repair 2 appears on LCD Display execute the below command 1 Test command MCW Refer to Section 7 3 2 D 2 Test command BWP Refer to Section 7 3 2 E 3 Test command M2B Refer to Section 7 3 2 F 9 11 2 When Replacing A Main Board 1 Solder the JP601 2 Write ID and Registration Refer to Section 7 3 1 I 3 Adjustment...

Страница 40: ... 10 1 Handset 1 Remove the Battery Cover sliding it in the direction of the arrow 2 Take the Battery out of the Rear Cabinet 3 Remove two Screws A from the Rear Cabinet 4 Unfasten the Front Cabinet Rear Cabinet after rotating in the direction of the arrow ...

Страница 41: ...41 KX TD7685 5 Remove three Screws B and the Charge Terminal R L from the Front Cabinet 6 Remove the Main Board from the Front Cabinet Caution Remove insert the FFC of LCD according to the illustration ...

Страница 42: ...42 KX TD7685 10 2 Charger 1 Remove the two screws C and remove the Bottom Cabinet 2 Remove the Main Board from the Top Cabinet ...

Страница 43: ... VDD Note Accuracy of voltage 1 8V is important Cross Reference VDD control VDD 7 3 1 Select From Command Menu _ A Item Service part No SPECIFICATION COMMENT Instrument Frequency counter none PCC has VP 4546A National Use the instrument with the same specification as VP 4546A Measurement frequency 10 368000MHz 10Hz DC power supply none 3 5V 3 8V 500mA for Handset Oscillator none PCC has LAG 120B L...

Страница 44: ...quency is important Cross Reference RF clock RFC frequency trimming SFR 7 3 1 Select From Command Menu_ B C 11 1 5 Adjustment for Battery Low Detection 1 Supply voltage DC3 5V to Handset 2 Turn off all LEDs and then wait for 3 seconds 3 Run Test command AD1 Return value is XX 4 Run Test command WB2 XX 5 Run Test command WB4 XX 6 Run Test command WB3 YY YY XX 09 hex Example XX 2F YY 26 Cross Refere...

Страница 45: ...trast and press OK refer to Fig 3 note The value is different for every handset 5 Adjustment of upper limit refer to Fig 4 Press joystick left Become light Press joystick right Become dark 6 Press OK push into the joystick 7 Press joystick down one time to select lower limit refer to Fig 5 note The value is different for every hand 8 Check the contrast of lower limit 9 Press power key and exit LCD...

Страница 46: ... than 3 8V to cabinet cover of Handset 7 Press the Power Key for 3 seconds to turn on Handset Item Service part No SPECIFICATION COMMENT Instrument DIGITAL RADIO TESTER none PCC has CTS 60 ROHDE SCHWARZ Personal Computer with FLASH PROGRAM none CPU more than 400MHz Memory more than 64kB HD available space 100MB OS Windows 98 2000 XP Other with serial port Tool RS 232C cable PSZZ1TD7896M Serial cab...

Страница 47: ...47 KX TD7685 8 DIGITAL RADIO TESTER CTS60 Configration 1 PP type Default PP type edit QMUX 03060306 2 RF Modulation Signal FDECT BUST FIG31 3 Carrier No Offset 18 ...

Страница 48: ...48 KX TD7685 9 DIGITAL RADIO TESTER CTS60 set up Test Mode Manual GAP Mode Off DUT Portable Part ...

Страница 49: ...f CTS60 to 62 0dBm on the config 8 Run the test command loopback mode PP to the handset Input RFPI 0102030405 and then send command 9 Press connect on the CTS60 10 Run the test command RF RSSI read RSS Read the returned value YY 11 Run test command eeprom write EPW Input address 0068 length 2 and data XXYY and then send command Data XXYY is returned value at No 5 and No 7 Cross Reference loopback ...

Страница 50: ... the CTS60 5 Confirm the value of Max Pos Neg B field modulation Make sure it is from 370kHz to 380kHz 6 Run the test command set modulation SMR if it is out of specification at No 5 Adjust this value until the modulation reaches a value closest to 375kHz Cross Reference loopback mode PP set modulation SMR eeprom write SMR 7 3 1 Select from Command Menu_ E F G Dummy Slot 0 Dummy Carrier 0 Traffic ...

Страница 51: ... loopback mode PP to the handset Input RFPI 0102030405 and then send command 4 Press connect on the CTS60 5 Press BER on the CTS60 6 Adjust RF Level to 88 dBm on the CTS60 7 Make sure BER is 0 ppm Cross Reference loopback mode PP 7 3 1 Select from Command Menu_ E Dummy Slot 0 Dummy Carrier 0 Traffic Slot 2 Traffic Carrier 2 RF Level 73 0dBm Carrier No Offset 18 Mode Loopback RFPI 0102030405 ...

Страница 52: ...tion 3 Run the test command loopback mode PP to the handset Input RFPI 0102030405 and then send command 4 Press connect on the CTS60 5 Make sure NTP is from 15 dBm to 21 dBm Cross Reference loopback mode PP 7 3 1 Select from Command Menu_ E Dummy Slot 0 Dummy Carrier 0 Traffic Slot 2 Traffic Carrier 2 RF Level 73 0dBm Carrier No Offset 18 Mode Loopback RFPI 0102030405 ...

Страница 53: ...ion 3 Run the test command loopback mode PP to the handset Input RFPI 0102030405 and then send command 4 Press connect on the CTS60 5 Make sure Freq Offset is within 50 kHz Cross Reference loopback mode PP 7 3 1 Select from Command Menu_ E Dummy Slot 0 Dummy Carrier 0 Traffic Slot 2 Traffic Carrier 2 RF Level 73 0dBm Carrier No Offset 18 Mode Loopback RFPI 0102030405 ...

Страница 54: ...emove the co axial cable for radio signal measurement from P C B 3 Solder the JP601 onto the P C B 4 Put the cabinet cover back on 5 Set the battery then close the battery cover 11 3 Frequency Table Tx Frequency Rx Frequency channel frequency MHz 00 1928 448 01 1926 720 02 1924 992 03 1923 264 04 1921 536 ...

Страница 55: ...55 KX TD7685 12 Miscellaneous 12 1 Terminal Guide of ICs Transistors and diodes 12 1 1 Handset 12 1 2 Charger ...

Страница 56: ...rd 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 be attached prop...

Страница 57: ...57 KX TD7685 MEMO ...

Страница 58: ... TP45 TP46 TP47 TP48 TP50 TP51 TP52 TP55 TP56 TP57 TP70 TP10 TP138 C614 1 5p RF_GND R609 0 R604 0 R216 470K R217 270K C103 Z1u C108 6 3V 220u FB601 0 R611 47K C613 10V KB 1u BATT RF_GND R612 0 C122 6 3V KB 10u C102 Z0 1u TP49 R221 0 R222 0 IC201 1 P3 7 PD7 2 P3 1 PD1 3 P3 5 PD5 4 P3 4 PD4 5 P3 3 PD3 6 P3 2 PD2 7 VDD7 8 VSS8 9 RFCLK 10 VDDRF 11 VSSRF 12 XTAL 13 CAP 14 AVS 15 AVD 16 RSSI 17 RDI 18 C...

Страница 59: ...8 SW13 0 SW11 SOFT_A SW02 5 SW03 SW01 TALK C217 16V KB 1u C221 16V KB 0 47u C222 16V KB 0 47u C223 6 3V KB 0 47u C224 6 3V KB 0 47u C225 16V KB 0 47u SW22 9 SW21 1 SW23 D2 7V C215 Z0 1u D201 NC D202 NC C219 6 3V KB 1u C216 10V KB 1u TP20 TP21 TP22 TP23 TP24 TP25 TP58 TP125 TP126 TP127 TP128 TP129 TP130 TP131 TP132 TP133 TP134 CN405 20 1 19 2 18 3 17 4 16 5 15 6 14 7 13 8 12 9 11 10 10 11 9 12 8 13...

Страница 60: ...F20K AG AG AG AG AG IC401 1 CD 2 VREF 3 VIN 4 VIN 5 VOUT1 6 VCC 7 GND 8 VOUT2 Q104 E C B Q105 E C B CN404 HEADSET_JACK 1 2 3 4 5 CK5 CK6 CK8 CK9 TP12 TP38 TP39 TP73 TP74 TP75 TP76 TP78 TP79 TP80 TP81 TP82 TP83 TP84 TP85 TP86 TP88 TP89 TP90 TP98 TP11 TP136 TP137 C429 D403 D404 C115 10p C425 6 3V KB 22u C418 6 3V KB 10u AG C434 NC C435 NC C436 C426 10p C424 6 3V KB 22u CN403 1 2 1 2 C420 K0 1u C451 ...

Страница 61: ... NC D318 NC 5 0V L301 C312 1000p C308 0 1u BATT Q304 4 7K D2 7V TP100 TP112 CK7 IC303 1 1A 2 3Y 3 2A 4 GND 5 2Y 6 3A 7 1Y 8 VCC IC302 1 VOUT 2 CF1 3 VIN 4 FSEL 5 VSEL 6 EN 7 CF2 8 GND 9 CF1 10 CF2 C309 10V 1u C311 10V 1u R315 10k R308 27 R304 27 C310 Z1u C317 Z1u IC301 1 IRQ 2 IFSEL 3 SYNC 4 AVDD 5 TESTA5 6 TESTA6 7 TESTA7 8 VREFL 9 VREFR 10 AOUTL 11 AOUTR 12 AGND 13 PTST2 14 ILE 15 CS 16 RD 17 WR...

Страница 62: ...62 KX TD7685 13 2 Charger R1 120 R2 3 9 C1 Z0 1U D1 C2 M0 1U Q1 Q2 C4 NC C5 NC JT1 JT2 CK1 CK3 CK4 CK5 CK2 R3 0 R4 0 CK6 CN1 1 2 C3 16V 100U R5 47 L1 DC6 5V 500mA KX TD7685 CHARGER ...

Страница 63: ...227 R221 C201 L201 C229 C228 C203 C231 R218 IC201 D203 R108 C122 C106 C123 CK3 D102 R117 C110 R111 C109 Q104 R433 R222 C214 R110 C412 C212 C210 C204 C211 C213 C420 C422 R410 R409 R411 C416 C417 C418 X100 R115 C114 R417 C103 C452 C423 R412 C435 L102 C102 D304 CN301 D103 Q103 Q102 Q101 R103 L101 R101 R118 CK1 3 CK14 1 JTAG URX 40 41 60 1 20 21 GND UTX SYRI 1 5 4 3 2 3 1 W 6 10 1 CK13 B R CK5 CK7 CK6...

Страница 64: ...64 KX TD7685 14 2 Charger Board CN1 Q1 C3 PbF PSUP1645Z A KX TD7685 COMPONENT VIEW KX TD7685 BOTTOM VIEW CK6 L1 R1 C1 CK1 CK2 CK3 D1 Q2 RED BLK R2 C5 C2 C4 CK4 CK5 R5 R3 R4 PbF PSUP1645Z A ...

Страница 65: ...formation of Schematic Diagram Note 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology ...

Страница 66: ...e open 19 TDO O TXDA RF TX Data 20 LE O SYEN RF PLL control signal 21 SO O SYDA RF PLL control signal 22 SK O SYCL RF PLL control signal 23 DAC ADC2 I JACK DETECTION 24 P3 6 PD6 I Interrupt request input 1 IRQ from IC301 25 UTX P0 0 O Pull up Built in UTX For maintenance 26 URX P0 1 I URX For maintenance 27 JTIO P0 2 O Pull up Built in JTAG For maintenance 28 PCM_FSC1 P0 3 O Pull up Built in COL1 ...

Страница 67: ...VBAT3 RINGING I VBAT3 57 DC_stab O Not in use open 58 DC_Sense I Not in use GND 59 AVS_sense I AVS_sense Charge current measurement 60 ADC3 I ADC3 Charge current measurement 61 LDO1_sense I LDO1_sense 2 7V control signal 62 LDO1_CTRL O LDO1_CTRL 2 7V control signal 63 LDO2_CTRL O LDO2_CTRL 1 8V control signal 64 VBAT2 I VBAT2 65 VBAT1 I Not in use GND 66 AVS2 Ground 67 AVD2 1 8V supply for core 68...

Страница 68: ...equest output 1 IRQ to IC201 21 D4 SRQ O Interrupt request output 1 IRQ to IC201 22 D3 ARQ O Not in use open 23 D2 SCLK I Sync clock input Sync clock 1 152MHz from IC201 24 DGND Ground 25 D1 SDOUT O Not in use GND 26 D0 SDIN I Serial Data input Input serial data from IC201 27 VDDIO 2 7V supply 28 DVDD 2 7V supply 29 PTESTIN1 I Not in use GND 30 CLOCK I Master clock input 6 000MHz 31 P0 O Pull up B...

Страница 69: ...69 KX TD7685 16 2 Cabinet and Electrical Parts Location 16 2 1 Handset ...

Страница 70: ...70 KX TD7685 16 2 2 Charger ...

Страница 71: ...71 KX TD7685 16 3 Accessories and Packing Materials ...

Страница 72: ...DY ABS 94HB 7 PQGP10232Z LCD LENS ABS 94HB 8 PQHE10141Z LCD SPONGE 9 PSSX1037Z RUBBER KEY 10 PQBC10381Z1 PUSH BUTTON S 11 PQJT10205Z TERMINAL R 12 PQJT10204Z TERMINAL L 13 PSHG1287Z RUBBER SPACER 14 PSHR1364Z SPEAKER HOLDER ABS 94HB 15 L0AD02A00010 SPEAKER 16 PQHG10666Z SPACER RUBBER SHEET 17 PSHS1052Z SPEAKER NET 18 PSJC1008Z BATTERY TERMINAL 19 PSKE1083Z3 E P CAP S 20 PSKF1127Y1 CABINET COVER AB...

Страница 73: ... C418 F1J0J106A004 10 C419 F1G1H100A420 10p C420 ECUV1C104KBV 0 1 C422 ECUE1H070DCQ 7p S C423 F1G1H100A420 10p S Ref No Part No Part Name Description Remarks C424 F1J0J2260002 22 C425 F1J0J2260002 22 C426 ECUV1H100DCV 10p C428 ECUE1H070DCQ 7p S C432 ECJ1VB0J225 2 2 C451 ECUV1C104KBV 0 1 C453 F1G1H100A420 10p C454 F1G1H100A420 10p C455 F1G1H100A420 10p C456 F1J0J2260002 22 C601 ECJ0EC1H0R5B 0 5 C60...

Страница 74: ...K5H312200002 INCIRCUIT PROTECTOR Ref No Part No Part Name Description Remarks 100 PSWETD7685M CHARGER ASS Y RTL 100 1 PSGG1023Z3 GRILLE ABS 94HB 100 2 PSKM1127Z3 CABINET BODY PS 49HB 100 3 PQKE10356Z1 CHARGER TERMINAL CASE POM 94HB 100 4 PQJT10206Z CHARGER TERMINAL 100 5 PQHX10991Z CUSHION 100 6 PQMH10426Y WEIGHT 100 7 PQYF10563YD CABINET COVER ABS 94HB 100 8 PQHG316Z FOOT RUBBER PARTS 100 9 PSYET...

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Panasonic KX-TD7685 - Wireless Digital Phone, Руководство по обслуживанию

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