Panasonic KX-TC1743B Скачать руководство пользователя страница 33 | Manualshive

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and

key at the same time within 5 seconds after Power supply the portable unit. Refer to

fixation CH table, figure 1 for the

key. This test simulates the handset is at very large

distance from the base unit and the TX signal from handset to base is very small.
Procedure: First place handset jig on base under test to charge (exchange security code); press
CLEAR and then TALK to operate. The LCD will show TALK. This means that the base unit
sensitivity is OK.
* HS JIG becomes [NORMAL POWER] mode immediately after the power supply turning on.

NOTES:
1) If when setting the handset to TEST LOW mode, if handset beeps 3 times and the LCD shows
"No link to base. Place on cradle and try again", press 2, 5, 8, 0 simultaneously and then
disconnect battery. Re-install battery, place unit on cradle to get security codes and tries again.
2) Only KX-TC1743 with marks HS JIG/BS JIG can be used for troubleshooting. However, regular
production set also can be used as a JIG.

Fixation CH

Figure 1

CH

POWER

making key

1CH

“Lo“

"FLASH" + "1"

3CH

“Lo“

"FLASH" + "2"

5CH

“Lo“

"FLASH" + "3"

7CH

“Lo“

"FLASH" + "4"

9CH

“Lo“

"FLASH" + "5"

11CH

“Lo“

"FLASH" + "6"

13CH

“Lo“

"FLASH" + "7"

15CH

“Lo“

"FLASH" + "8"

17CH

“Lo“

"FLASH" + "9"

19CH

“Lo“

"FLASH" + "

"

21CH

“Lo“

"FLASH" + "0"

Fig. Using TC1743 Handset-jig.

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Содержание KX-TC1743B

Страница 1: ... F11 Telephone Equipment KX TC1743B KX TC1743F KX TC1743G KX TC1743W KX TC1743PW 900MHz Digital Cordless Answering System Black Version Blue Version Green Version White Version Pearl White Version for U S A SPECIFICATIONS 1 ...

Страница 2: ...1 STANDARD BATTERY LIFE 2 ...

Страница 3: ...2 LOCATION OF CONTROLS 2 1 Base unit 3 ...

Страница 4: ...2 2 Handset 4 ...

Страница 5: ...3 DISPLAYS Both the handset and the base unit show you instructions and information on the displays These display prompts are shown below 3 1 Handset 5 ...

Страница 6: ...6 ...

Страница 7: ...3 2 Base unit 7 ...

Страница 8: ...8 ...

Страница 9: ...4 CONNECTIONS Note USE ONLY WITH Panasonic AC ADAPTOR KX TCA1 G 9 ...

Страница 10: ...nit is connected to a PBX which does not support Caller ID services you cannot access those services 4 1 Adding Another Phone This unit will not function during a power failure To connect a standard telephone on the same line use the Panasonic T adaptor KX J66 5 OPERATION 5 1 Making Calls 5 1 1 With the Handset 10 ...

Страница 11: ...11 ...

Страница 12: ...12 ...

Страница 13: ...13 ...

Страница 14: ...5 1 2 With the Base Unit Digital Duplex Speakerphone 14 ...

Страница 15: ...15 ...

Страница 16: ...16 ...

Страница 17: ...5 2 Answering Calls When a call is received the unit rings and the CALLER ID indicator on the base unit flashes 17 ...

Страница 18: ... the calling party information will be displayed after the first ring In order to view the Caller ID information please wait until the second ring to answer a call 5 2 1 With the Handset 5 2 2 With the Base Unit 5 3 Automatic Answering Operation 18 ...

Страница 19: ...5 3 1 Setting the Unit to Answer Calls 5 4 Listening to Messages 19 ...

Страница 20: ...5 4 1 During playback 20 ...

Страница 21: ...21 ...

Страница 22: ...6 DISASSEMBLY INSTRUCTIONS 22 ...

Страница 23: ...23 ...

Страница 24: ...Remove the P C Board 3 Antenna Screw 2 6 X 12 B X 1 Speaker Screws 3 X 8 C X 3 4 Battery Cover Remove the Battery Cover 5 Rear Cabinet Screws 2 6 X 12 D X 2 6 Rear Cabinet Remove the Rear Cabinet 7 Main P C Board Screw 2 6 12 E 1 Screws 2 6 10 F 2 Remove the lead Remove the P C Board 24 ...

Страница 25: ...7 ASSEMBLY INSTRUCTIONS 7 1 Assembly the LCD to P C Board Handset 8 TROUBLESHOOTING GUIDE 25 ...

Страница 26: ...Power Error Message Table Check Record Check Playback Check Sp phone Transmission Check Sp phone Reception Check Battery Charge Check Link Check the RF Unit Check Handset Transmission Check Handset Reception Check Call ID 26 ...

Страница 27: ...8 1 Check Power Cross Reference Power Supply Circuit Reset Circuit NOTE Flash Memory is IC300 DSP is IC201 8 2 Error Message Table 27 ...

Страница 28: ...ry is IC300 DSP is IC201 8 3 Check Record Cross Reference Telephone Line Interface Auto Disconnect Circuit Parallel Connection Detect Circuit Signal Route NOTE Flash Memory is IC300 DSP is IC201 8 4 Check Playback 28 ...

Страница 29: ...Power Supply Circuit NOTE Flash Memory is IC300 DSP is IC201 8 5 Check Sp phone Transmission Cross Reference Telephone Line Interface Signal Route NOTE Flash Memory is IC300 DSP is IC201 8 6 Check Sp phone Reception 29 ...

Страница 30: ...Cross Reference Telephone Line Interface Signal Route NOTE Flash Memory is IC300 DSP is IC201 8 7 Check Battery Charge 30 ...

Страница 31: ...NOTE Flash Memory is IC300 DSP is IC201 8 8 Check Link 31 ...

Страница 32: ...ecking then confirm that they are linked Place the handset for checking on the cradle of the BS JIG then confirm that they are linked How to confirm the link is as follows press the TALK button and confirm that the LEDs of the base unit is turned ON 8 9 2 Check Items 8 9 2 1 Handset jig HS JIG for Base Unit The handset unit jig also uses two modes TEST LOW mode and NORMAL POWER mode 1 NORMAL POWER...

Страница 33: ...iately after the power supply turning on NOTES 1 If when setting the handset to TEST LOW mode if handset beeps 3 times and the LCD shows No link to base Place on cradle and try again press 2 5 8 0 simultaneously and then disconnect battery Re install battery place unit on cradle to get security codes and tries again 2 Only KX TC1743 with marks HS JIG BS JIG can be used for troubleshooting However ...

Страница 34: ...imulates the handset is at very large distance from the base unit and the TX signal from base to handset is very small Procedure First place handset under test to charge exchange security code then remove handset from base after you hear a beep Press TALK button on handset and if it links with the base then this handset sensitivity is OK BS JIG becomes NORMAL POWER mode immediately after the power...

Страница 35: ...production set also can be used as a JIG Fig Using TC1703 Handset jig KX TC1703 is used as the jig 8 9 3 RF Check Flowchart 35 ...

Страница 36: ... Details of confirmation items are following in Check Table for RF Block NOTE Flash Memory is IC300 DSP is IC201 8 9 4 Check Table for RF Block 36 ...

Страница 37: ...Procedure 1 Put RF wire to ANT and ANT_GND See Base Unit Reference Drawing Connect this wire Marconi or Spectrum Analyzer 2 Set Test mode 3 Confirm TX power level within 3 5dBm 2 0 158 1 58mW 1 Put RF wire to ANT and ANT_GND Handset Reference Drawing 2 Set Test mode 3 Confirm TX power level within 3 0 158 1 58mW Check point 1 Check C102 C103 C161 L102 L111 R147 soldering 2 Check Antenna in BS 1 Ch...

Страница 38: ...NOTE Flash Memory is IC300 DSP is IC201 8 9 5 RF DSP interface signal wave form 38 ...

Страница 39: ...eck Call ID Cross Reference Telephone Line Interface Calling Line Identification Caller ID Call Waiting Caller ID Note Make sure the format of the Caller ID or Call Waiting Caller ID service of the Telephone company that the customer subscribed to Also we recommend to confirm that the customer is really a subscriber of the service 9 TEST MODE 9 1 Test mode flow chart for Base Unit 39 ...

Страница 40: ... Should return to OPEN after entering the Test mode 2 While the Tele line is connected the Caller ID LED is ON OFF as well 3 It shows whether the telephone line is connected or not ON OFF HOOK OFF ON HOOK 9 2 TAM Test mode flow chart 40 ...

Страница 41: ...9 3 Test mode flow chart for Handset 41 ...

Страница 42: ... X101 Check The confirmation is made under the Continuous Send mode of TEST MODE Equipment Frequency counter TP for adjustment TP_ANT Measure range 902 713 MHz 5 kHz 1ch at Test Standby mode in TEST MODE 9 5 Base Unit Reference Drawing 9 6 Handset Reference Drawing 9 7 FREQUENCY TABLE 42 ...

Страница 43: ...on between the base unit and handset is performed by time sharing as shown in Fig 7 1 slot time of transmission and reception is 1mS Same frequency is used in transmitting and receiving The figure shows an example the frequency of 3ch is used in transmitting between the base unit and handset Fig 7 10 2 1 TDD Frame Format The TDD frame is 2mS in length Each subframe contains 128 bits of 7 8 S durat...

Страница 44: ...RF signal from the antenna is input to RFIC passing through filter L111 then input to DSP IC201 DSP performs ADPCM decoding to convert the signal into the voice signal then it is output to the speaker Transmission The voice signal input from the microphone is led to DSP IC201 The DSP generates ADPCM signal As well as the reception it is converted into the RF signal by RFIC IC101 Passing through fi...

Страница 45: ...11 EXPLANATION OF BBIC Base Band IC DATA COMMUNICATION 11 1 Calling 45 ...

Страница 46: ...11 2 To Terminate Communication 11 3 Ringing 46 ...

Страница 47: ...11 4 Ports for Transmitting and Receiving of Data 12 BLOCK DIAGRAM Base Unit 13 CIRCUIT OPERATION Base Unit General Description 47 ...

Страница 48: ...MF detection is performed during Record Playback and Line Monitoring modes of operation When the DTMF data from the Handset is received the DTMF signal is output Synthesized Voice Pre recorded message The DSP implements synthesized Voice utilizing the built in speech detector and an FLASH MEMORY which stored the vocabulary Caller ID and Call Waiting CID demodulation The DSP implements monitor and ...

Страница 49: ... voltage to each block as shown below 13 3 1 Charge Circuit The voltage from the AC is supplied to the main charge circuits Normal charge 70 mA of maximum 20 hours is started soon after the Handset is placed on the base unit Then it changes to trickle charge 15 mA on the average to prevent from overcharging Normal charge Q150 is ON Trickle charge Q150 is OFF 13 4 Reset Circuit Function This circui...

Страница 50: ...gram 13 5 Locator Intercom Mode 1 When the base unit LOCATOR INTERCOM button is pressed a call monitor signal intercom sound is output from pins 29 and 31 of IC201 Thus a monitor tone is heard from the speaker 2 At the same time flashing of the IN USE CHARGE LED202 is obtained from pin 70 of IC201 This status is called Intercom stand by 3 The receiving signal flows RF pins 29 and 31 of IC201 SP 50...

Страница 51: ... AC ring voltage is transferred as follows T L1 R30 C16 Q6 DSP pin 27 BELL When the CPU DSP detects a ring signal Q4 turns on thus providing an off hook condition active DC current flow through the circuit and the following signal flow is for the voice signal T D4 Q4 R1 R2 C1 R3 R5 D1 D4 L2 POS1 R ON HOOK Circuit Q4 is open Q4 is connected as to cut the DC loop current and to cut the voice signal ...

Страница 52: ...esence absence of a parallel connection is determined when the voltage changes by 0 2V or more When the set detects the parallel connected telephone is OFF HOOK status the line is disconnected 13 8 Parallel Connection Detect Circuit Function In order to disable call waiting and stutter tone functions when using telephones connected in parallel it is necessary to have a circuit that judges whether ...

Страница 53: ...arallel connection if the voltage is 1 65 V or higher while a parallel connection is deemed to exist if the voltage is lower Parallel connection detection when off hook When off hook Q7 is OFF the voltage is monitored DCIN of DSP the presence absence of a parallel connection is determined when the voltage changes by 0 2 V or more 13 9 Signal Route Each signal route is as follows 53 ...

Страница 54: ...er ID from the telephone exchange is sent during the interval between the first and second rings of the bell signal The data from the telephone exchange is a modem signal which is modulated in an FSK Frequency Shift Keying format Data 1 is a 1200 Hz sine wave and data 0 a 2200 Hz sine wave There are two type of the message format which can be received i e the single message format and plural messa...

Страница 55: ...to the new call so he she can use this information to decide whether to take the new call Function The telephone exchange transmits or receives CAS and ACK signals through each voice RX TX route Then FSK data and MARK data pass the following route Telephone Line CN1 A B C11 C12 R14 R15 DSP 38 40 If the unit deems that a telephone connected in parallel is in use ACK is not returned even if CAS is r...

Страница 56: ...14 BLOCK DIAGRAM Handset 56 ...

Страница 57: ... of DSP and RF unit as shown in the block diagram 15 1 1 DSP IC201 Function Battery Low Power down defect circuit Ringer Generation Interface circuit RF unit speaker mic LED Key scan LCD Headset 15 1 2 RF unit Mainly voice signal is modulated to RF or it goes the other way 57 ...

Страница 58: ...k 15 3 Charge Circuit Ni Cd battery is connected to CN202 When the handset is put on the cradle of the base unit the power is supplied from CHARGE1 and CHARGE2 terminals to charge the battery Q207 detects the voltage of CHARGE1 and CHARGE2 terminals then the handset makes ID code setting with the base unit 15 4 Ringer and Handset SP Phone DSP 29 31 SP RINGER 58 ...

Страница 59: ...supplied from Q211 and the power is turned OFF on standby 15 6 Reception Signal The voice signal from the base unit is output to DSP 33 HSSOUT This signal is led to the headset jack CN201 and DSP 44 HSMIP The signal input to DSP 44 is inverted and output to DSP 34 LOUTO The signal through the headset jack is inverted then output from DSP 34 to drive the speaker When the headset is inserted to the ...

Страница 60: ...16 CPU DATA Base Unit 16 1 IC201 60 ...

Страница 61: ...17 CPU DATA Handset 17 1 IC201 61 ...

Страница 62: ...18 EXPLANATION OF IC TERMINALS RF Unit 18 1 IC101 62 ...

Страница 63: ...63 ...

Страница 64: ...f Copper Rod 662 50 F 350 10 C An expert may handle between 60 W to 80 W iron but beginner might damage foil by overheating Flux HI115 Specific gravity 0 863 Original flux will be replaced daily 19 2 Procedure 1 Temporary fix FLAT PACKAGE IC by soldering on two marked 2 pins Most important matter is accurate setting of IC to the corresponding soldering foil 2 Apply flux for all pins of FLAT PACKAG...

Страница 65: ...n of arrow as sliding the soldering iron 19 3 Modification Procedure of Bridge 1 Re solder slightly on bridged portion 2 Remove remained solder along pins employing soldering iron as shown in below figure 20 CABINET AND ELECTRICAL PARTS Base Unit 65 ...

Страница 66: ...21 CABINET AND ELECTRICAL PARTS Handset 66 ...

Страница 67: ...22 ACCESSORIES AND PACKING MATERIALS 67 ...

Страница 68: ...23 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 23 1 Base Unit 23 2 Handset 68 ...

Страница 69: ... 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 a mark special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark indicates service standard parts and may differ from p...

Страница 70: ...743G S 8 PQKE10131Z2 HOOK LEVER for KX TC1743W S 8 PQKE10131Z6 HOOK LEVER for KX TC1743PW S 9 PQKE10134Z1 HOOK KNOB for KX TC1743B for KX TC1743F for KX TC1743G S 9 PQKE10134Z2 HOOK KNOB for KX TC1743W for KX TC1743PW S 10 PQKM10485Z1 UPPER CABINET for KX TC1743B S 10 PQKM10485X4 UPPER CABINET for KX TC1743F S 10 PQKM10485X5 UPPER CABINET for KX TC1743G S 10 PQKM10485Z2 UPPER CABINET for KX TC1743...

Страница 71: ... TRANSISTOR SI Q7 2SD1819A TRANSISTOR SI Q50 2SD1819A TRANSISTOR SI Q102 2SD1819A TRANSISTOR SI Q104 2SD1758Q TRANSISTOR SI S Q108 2SD2136 TRANSISTOR SI Q150 2SD1994A TRANSISTOR SI Q151 2SD1819A TRANSISTOR SI DIODES D1 PQVDRLZ2R0 DIODE SI S D2 PQVDRLZ20A DIODE SI S D3 MA111 DIODE SI D4 PQVDS1ZB60F1 DIODE SI S D101 PQVDHRU0302A DIODE SI S D102 PQVDHRU0302A DIODE SI S D103 MA8039 DIODE SI D105 PQVDH...

Страница 72: ...4 CRYSTAL OSCILLATOR RESISTORS R1 ERJ3GEYJ122 1 2k R2 ERJ3GEYJ681 680 R3 ERJ3GEYJ470 47 R5 ERDS1TJ330 33 S R7 ERJ3GEYJ393 39k R8 ERJ3GEY0R00 0 R10 ERJ3GEYJ102 1k R13 ERJ3GEYJ473 47k R14 ERJ3GEYJ394 390k R15 ERJ3GEYJ394 390k R17 ERJ3GEYJ473 47k R18 ERJ3GEYJ103 10k R19 ERJ3GEYJ563 56k R20 ERD25TJ104 100k S R21 ERJ3GEYJ103 10k R23 ERDS1VJ106 10M R24 ERJ3GEYJ335 3 3M R25 ERJ3GEYJ155 1 5M R26 ERJ3GEYJ4...

Страница 73: ...1k R215 ERJ3GEYJ222 2 2k R216 ERJ3GEYJ222 2 2k R217 ERJ3GEYJ394 390k R218 ERJ3GEYJ123 12k R219 ERJ3GEYJ103 10k R222 ERJ3GEYJ333 33k R223 ERJ3GEYJ222 2 2k R224 ERJ3GEYJ394 390k R225 ERJ3GEYJ102 1k R227 ERJ3GEYJ222 2 2k R230 ERJ3GEY0R00 0 R231 ERJ3GEY0R00 0 R232 ERJ3GEY0R00 0 R233 ERJ3GEY0R00 0 R234 ERJ3GEY0R00 0 R251 ERJ3GEYJ102 1k R252 ERJ3GEYJ102 1k R300 ERJ3GEYJ104 100k R301 ERJ3GEYJ103 10k R400...

Страница 74: ...2 C108 ECEV0JA101 100 C109 ECUV1H103KBV 0 01 S C110 ECUV1C104ZFV 0 1 C112 ECEA1AKA101 100 C114 ECEA1CKS220 22 S C150 ECUV1C104ZFV 0 1 C200 ECUV1C104ZFV 0 1 C201 ECUV1H681JCV 680P S C207 ECUV1C104ZFV 0 1 C213 ECUV1C104ZFV 0 1 C227 ECUV1H180JCV 18P C228 ECUV1H180JCV 18P C230 ECST0JY106 10 C231 ECUV1C104ZFV 0 1 C234 ECUV1H103KBV 0 01 S C235 ECUV1H103KBV 0 01 C236 ECUV1H103KBV 0 01 C237 ECST0JY106 10 ...

Страница 75: ...BV 0 01 S C403 ECUV1H330JCV 33P C404 ECUV1H101JCV 100P C405 ECUV1H101JCV 100P C406 ECUV1H101JCV 100P C407 ECUV1H101JCV 100P C408 ECUV1H101JCV 100P C409 ECUV1H030CCV 3P C410 ECUV1H101JCV 100P C411 ECUV1H101JCV 100P C412 ECUV1H101JCV 100P C413 ECUV1C104KBV 0 1 C415 ECEV0JA220 22 C450 ECEV0JA101 100 C453 ECUV1H030CCV 3P C723 ECUV1C563KBV 0 056 24 1 3 RF P C BOARD PART Ref No Part No Part Name Descrip...

Страница 76: ...QKF10521Z1 REAR CABINET for KX TC1743B S 117 PQKF10521Y4 REAR CABINET for KX TC1743F S 117 PQKF10521Y5 REAR CABINET for KX TC1743G S 117 PQKF10521Z2 REAR CABINET for KX TC1743W S 117 PQKF10521Y3 REAR CABINET for KX TC1743PW S 118 PQKK10121Z1 BATTERY COVER for KX TC1743B S 118 PQKK10121Y4 BATTERY COVER for KX TC1743F S 118 PQKK10121Y5 BATTERY COVER for KX TC1743G S 118 PQKK10121Z2 BATTERY COVER for...

Страница 77: ... MA2ZD1400 DIODE SI D216 MA111 DIODE SI LEDS LED201 PQVDSML310MT LED S LED202 PQVDSML310MT LED S LED203 PQVDSML310MT LED S LED204 PQVDSML310MT LED S LED205 LNJ308G8JRA LED LED206 LNJ308G8JRA LED LED207 LNJ308G8JRA LED COILS L201 MQLRE15NJF COIL L203 PQLQR3FL121 COIL S L211 PQLQR4RB601D COIL L212 PQLQR4RB601D COIL CONNECTORS CN201 PQJS22A12Z FFC CONNECTOR S CN202 PQJP2D13Z CONNECTOR PIN S CN203 PQJ...

Страница 78: ...36 ERJ3GEYJ473 47k R241 ERJ3GEY0R00 0 R244 ERJ3GEYJ473 47k R245 ERJ3GEYJ103 10k R246 ERJ3GEYJ153 15k R247 ERJ3GEYJ391 390 R248 ERJ3GEYJ393 39k R249 ERJ3GEYJ222 2 2k R250 ERJ3GEYJ222 2 2k R253 ERJ3GEYJ222 2 2k R260 ERJ3GEYJ103 10k R265 ERJ3GEYJ103 10k R270 ERJ3GEYJ104 100k R271 ERJ3GEYJ104 100k R272 ERJ3GEYJ104 100k R300 ERJ3GEYJ104 100k R301 ERJ3GEY0R00 0 R302 ERJ3GEYJ180 18 R303 ERJ3GEYJ180 18 C2...

Страница 79: ...1E333KBV 0 033 C233 ECUV1A105ZFV 1 C234 ECUV1A224KBV 0 22 C236 ECUV1H150JCV 15P C237 ECUV1H150JCV 15P C239 ECUV1C104ZFV 0 1 C242 ECUV1C104ZFV 0 1 C255 ECUV1A224KBV 0 22 C262 ECUV1A105ZFV 1 C267 ECST0JX226 22 C270 ECST0JY475 4 7 C274 ECUV1C104ZFV 0 1 C277 ECUV1C563KBV 0 056 C279 ECUV1H010CCV 1P C280 ECUV1C104ZFV 0 1 C282 ECUV1C104ZFV 0 1 C285 ECUV1C105ZF 1 C291 ECUV1C104ZFV 0 1 C294 ECUV1C104ZFV 0 ...

Страница 80: ... for KX TC1743F for KX TC1743G for KX TC1743PW P1 PQPP170Y PROTECTION COVER for Base Unit P2 XZB10X35A02 PROTECTION COVER for Handset P3 PQPK13405Z CARTON BOX for KX TC1743B P3 PQPK13511Z CARTON BOX for KX TC1743F P3 PQPK13512Z CARTON BOX for KX TC1743G P3 PQPK13495Z CARTON BOX for KX TC1743W P3 PQPK13510Z CARTON BOX for KX TC1743PW 25 FOR SCHEMATIC DIAGRAM 25 1 Base Unit SCHEMATIC DIAGRAM Base Un...

Страница 81: ...28 SCHEMATIC DIAGRAM Handset 29 CIRCUIT BOARD RF Unit 30 CIRCUIT BOARD Base Unit 30 1 Component View 30 2 Flow Solder Side View 31 CIRCUIT BOARD Handset 31 1 Component View 31 2 Flow Solder Side View M KXTC1743B KXTC1743F KXTC1743G KXTC1743W KXTC1743PW Printed in Japan 81 ...

Страница 82: ......

Страница 83: ...IC202 IC201 NC NC NC NC NC NC NC 1 2 3 4 5 6 23 24 26 28 30 31 34 36 42 35 27 ...

Страница 84: ...5 IC201 IC204 3 3V 3 3V Headset Headset Input 1 1kHz 43dBm 600 Input 1 1kHz 18mVp p 45dBm 600 NC NC NC NC NC NC NC NC NC NC NC 1 2 3 4 5 6 23 24 26 28 30 31 34 36 42 35 27 KX TC1743B F G W PW SCHEMATIC DIAGRAM Handset ...

Страница 85: ...5 IC201 IC204 3 3V 3 3V Headset Headset Input 1 1kHz 43dBm 600 Input 1 1kHz 18mVp p 45dBm 600 NC NC NC NC NC NC NC NC NC NC NC 1 2 3 4 5 6 23 24 26 28 30 31 34 36 42 35 27 KX TC1743B F G W PW SCHEMATIC DIAGRAM Handset ...

Страница 86: ...IC203 IC201 IC202 IC204 IC205 1 G 2 3 4 5 6 7 8 9 10 11 12 13 G G 15 16 14 G G G G G 18 17 G MICM MICP ...

Страница 87: ......

Страница 88: ...NC NC 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 IC201 IC202 IC300 ...

Страница 89: ... SP PhoneRX Output 51dBm 600 1 1kHz 3 2V 6 0V 3 3V 3 6V Input 1 1kHz 140mVp p 25dBm 600 Call ID data 9V DC KX TC1743B F G W PW SCHEMATIC DIAGRAM Base Unit IC331 IC100 IC332 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 for H S ...

Страница 90: ... SP PhoneRX Output 51dBm 600 1 1kHz 3 2V 6 0V 3 3V 3 6V Input 1 1kHz 140mVp p 25dBm 600 Call ID data 9V DC KX TC1743B F G W PW SCHEMATIC DIAGRAM Base Unit IC331 IC100 IC332 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 for H S ...

Страница 91: ...100Ω ANT GND HANDSET COMPONENT VIEW ANT TEST PULL UP SP SP MIC MIC 10µ 10µ IC203 IC201 IC202 IC204 IC205 ...

Страница 92: ...IC300 IC202 IC331 IC332 IC100 IC201 ANT GND ANT COMPONENT VIEW TEST ...

Страница 93: ...Line A Line B FLOW SOLDER SIDE VIEW ...

Страница 94: ...IC101 ...

Страница 95: ...TX RX 16 2 15 14 13 12 11 10 9 8 7 6 5 4 IC101 IC102 ...

Страница 96: ...C201 X200 UART_RX UART_TX 1 G 2 3 4 5 6 7 8 9 10 11 12 13 G G 15 16 14 G G G G G 18 17 G TP_SYNCWIN TP_SYNDET VRF LINO Min Mic input Mip X tal CLK Reset RST Power Down PDN Vcc 3 3V B CHARGE CTL HS MIP Vcc 3 3V Louto Bell B Vcc 3 2V D ...

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