Panasonic KX-TC2100BXB Скачать руководство пользователя страница 37 | Manualshive

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14.6.3. RF signal operation/control and PLL operation (RF UNIT)

Base unit radio frequency signal received by antenna passes through duplexer (DPX401).

RF signal is amplified by RF AMP. RF signal received from RF IC is mixed with RX local frequency at Mixer to generate

10.695 MHz wide band IF. The reference frequency is generated by X801 10.240 MHz crystal.

The 10.695 MHz is mixed with reference and 455 KHz narrow band IF is generated.

RF IC is controlled by CPU (RF EN, RF DATA, RF CLOCK). The RX local frequency is generated by RX VCO.

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KX-TC2100BXB / KX-TC2100B XS / KX-TC2100B XT / KX-TC2100BXW

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Содержание KX-TC2100BXB

Страница 1: ...ized copying and distribution is a violation of law KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW Cordless Phone Black Version Silver Version Metallic Black Version White Version for Asia Middle Near East and Other Areas Telephone Equipment ORDER NO KM40507814CE ...

Страница 2: ...ess transmission and reception 30 13 BLOCK DIAGRAM BASE UNIT 31 14 CIRCUIT OPERATION BASE UNIT 32 14 1 Outline 32 14 2 Power Supply Circuit 33 14 3 Reset Circuit 34 14 4 Charge Circuit 35 14 5 Telephone Line Interface 35 14 6 Transmitter Receiver 36 15 BLOCK DIAGRAM HANDSET 38 16 CIRCUIT OPERATION HANDSET 39 16 1 Outline 39 16 2 Reset Circuit 39 16 3 Battery Low Power Down Detector 40 17 SIGNAL RO...

Страница 3: ... 57 27 2 Handset SCHEMATIC DIAGRAM HANDSET 57 28 SCHEMATIC DIAGRAM BASE UNIT 58 29 SCHEMATIC DIAGRAM HANDSET 59 30 CIRCUIT BOARD BASE UNIT 61 30 1 Component View 61 30 2 Flow Solder Side View 62 31 CIRCUIT BOARD HANDSET 63 31 1 Component View 63 31 2 Flow Solder Side View 64 3 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 4: ...at too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the component side for e...

Страница 5: ...3 C851 GND ANT_TP NDTC SP SP IFGND 1 3 4 6 C872 C873 Marked Note The location of the PbF mark is subject to change without notice 2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on worktable ...

Страница 6: ...4 OPERATING INSTRUCTIONS 4 1 Battery 4 1 1 Recharge 4 1 2 Battery information 4 1 3 Battery Replacement 6 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 7: ...4 2 Location of Controls 4 2 1 Base Unit 4 2 2 Handset 7 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 8: ...4 3 Connection 8 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 9: ...4 4 Troubleshooting 9 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 10: ...5 DISASSEMBLY INSTRUCTIONS Shown in Fig To Remove Remove 1 Cabinet Cover Screws 2 6 12 A 4 Main P C Board Main P C Board 10 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 11: ... Fig To Remove Remove 2 Cabinet Cover Battery compartment cover 3 Screws 2 6 12 B 2 4 Follow the procedure 5 Main P C Board Screw 2 6 12 C 1 Main P C Board 11 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 12: ...G GUIDE Cross Reference Check Power P 13 Bell Reception P 14 Check Battery Charge P 15 Check Link P 16 Check Handset Transmission P 17 Check Handset Reception P 18 12 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 13: ...y Circuit P 33 Cross Reference Charge Circuit P 35 Note CPU IC201 Note CPU IC701 6 1 Check Power Each measurement points are shown in CIRCUIT BOARD BASE UNIT P 61 or CIRCUIT BOARD HANDSET P 63 13 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 14: ... Interface P 35 Cross Reference Check Link P 16 Note CPU IC201 Note CPU IC701 6 2 Bell Reception Each measurement points are shown in CIRCUIT BOARD BASE UNIT P 61 or CIRCUIT BOARD HANDSET P 63 14 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 15: ...ross Reference Reset Circuit P 39 Note CPU IC201 Note CPU IC701 6 3 Check Battery Charge Each measurement points are shown in CIRCUIT BOARD BASE UNIT P 61 or CIRCUIT BOARD HANDSET P 63 15 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 16: ...o Adjustment P 20 Note CPU IC201 RF IC IC401 6 4 Check Link Each measurement points are shown in CIRCUIT BOARD BASE UNIT P 61 or CIRCUIT BOARD HANDSET P 63 16 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 17: ...U IC701 RF IC IC801 Each measurement points are shown in CIRCUIT BOARD BASE UNIT P 61 or CIRCUIT BOARD HANDSET P 63 6 5 Check Handset Transmission Cross Reference SIGNAL ROUTE P 41 17 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 18: ...Cross Reference SIGNAL ROUTE P 41 6 6 Check Handset Reception 18 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 19: ...m C The transmit power output is low and the operating distance between the base unit and the handset is less than normal Make adjustments in item D The reception sensitivity of base unit is low with noise Make confirmation in item E The transmit level is high or low Make confirmation in item F The reception level is high or low Make confirmation in item G The unit does not link Make confirmation ...

Страница 20: ...ly 60dBm output from S S G modulation frequency 1KHz dev 0KHz 2 Confirm that the reading of AF VTVM is the maximum value more than 20mV DPX401 T401 CF401 CF402 F Line Output Level Confirmation 3ch Talk 1 Apply 60dBm output from S S G modulation frequency 1KHz dev 3KHz 2 Confirm that the reading of AF VTVM is more than 200mV 600Ω load IC401 Q304 G Line Input Modulation Confirmation 3ch Talk 1 Input...

Страница 21: ...R417 RXDT R415 R444 R416 R411 R211 C311 R204 LOCATOR R412 R410 R409 R408 R407 R404 R405 R403 RXGND RXANT R432 R434 R430 R429 R433 R425 R427 R435 TP7 C310 C314 C315 C306 C321 C313 R311 R302 R336 R334 R303 R304 R333 R317 R320 R308 R319 R318 R313 DC12V CH CH PWR_GND PbF R105 R106 R109 R108 R107 R443 R110 R103 R102 R310 C307 GND3 TIP RING R305 R321 R322 C309 R208 R217 C305 C323 R335 C322 C101 R312 R42...

Страница 22: ...ments in item E The reception sensitivity of the handset is low with noise Make confirmation in item F Does not link between the base unit and the handset Make confirmation in item G The reception level is high or low Make confirmation in item H The transmit level is high or low Make confirmation in item I Refer to Adjustment P 23 Unit condition 1 Remove the antenna lead wire from P C Board of the...

Страница 23: ...irmation 2nd IF output 3ch Talk T801 1 Apply 60dBm output from S S G modulation frequency 1KHz dev 0KHz 2 Confirm 2nd IF output so that the reading of AF VTVM is the maximum value more than 20mV DPX1 T801 CF801 CF802 G Noise Squelch Confirmation 3ch Talk 1 Measure the S S G output level when the noise squelch changes from Low to High modulation frequency 1KHz dev 3KHz 2 Confirm that the S S G outp...

Страница 24: ...C848 R841 C860 C858 C832 C831 C836 REDIAL LED705 LED703 LED704 PbF LED702 DIRECT TXVCO C804 C839 C838 PSAVE AUTO TALK 2 1 4 7 5 0 1 2 8 6 9 3 FLASH LED701 RINGER LOUD PROGRAM MIC GND OUTPUT PAUSE CH Q803 C851 GND ANT_TP NDTC SP SP IFGND 1 3 4 6 C872 C873 C B F DC Volt Meter RXVCO IFGND DC Volt Meter TXVCO RF Volt Meter IFOut IFGND IFGND D H E I J Frequency Counter Spectrum Analyzer RF Signal Gener...

Страница 25: ...s TX Frequency 49 860 MHz 700 Hz ADJUSTMENTS HANDSET D at CH3 TX Power 1 0dBm 0 5dBm ADJUSTMENTS HANDSET E at CH3 Antenna soldering point 50Ω Load Data Modulation factor 5 5 KHz 1 5 KHz ADJUSTMENTS HANDSET J at CH3 MIC Modulation factor 2 3 KHz 0 5 KHz ADJUSTMENTS HANDSET I at CH3 MIC terminal 4mV Input SP Output level more than 35 mV Refer to Adjustment P 23 10 HOW TO CHECK THE HANDSET SPEAKER 1 ...

Страница 26: ... 49 670 46 610 2 46 630 49 845 49 845 46 630 3 46 670 49 860 49 860 46 670 4 46 710 49 770 49 770 46 710 5 46 730 49 875 49 875 46 730 6 46 770 49 830 49 830 46 770 7 46 830 49 890 49 890 46 830 8 46 870 49 930 49 930 46 870 9 46 930 49 990 49 990 46 930 10 46 970 49 970 49 970 46 970 26 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 27: ...12 EXPLANATION OF CPU DATA COMMUNICATION 12 1 STAND BY TALK TALK STAND BY The channel is changed if the noise interferes with the conversation 27 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 28: ...12 2 Ringing 28 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 29: ...12 3 Changing the Channel 29 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 30: ...ed for cordless transmission and reception The DATA which is transmitted from the Handset to the Base Unit is combination of DATA 0 DATA 1 DATA Delimit The DATA which is transmitted from the Base Unit to the Handset is combination of DATA 0 DATA 1 DATA Delimit 12 5 1 Handset 12 5 2 Base Unit For example one of part of data 30 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 31: ...ER COMPRESSOR RESET POWER DOWN MODULATION TX VCO Q403 T402 DV401 TX AMP Q405 T403 RF DATA RF CLOCK RF EN POWER DOWN RESET RX DATA MCU CPU IC201 TEL LINE AMP Q304 TEL LINE SW Q301 Q302 Diode Bridge D303 D306 TEL LINE AMP Q305 TX DATA Crystal BELL DTC Q309 DC 12V Transistor Q101 D103 DC9 1V DC5V LED201 Q201 Charge Control Q102 Q103 Q104 Charge Detection Charge Control KX TC2100 BLOCK DIAGRAM BASE UN...

Страница 32: ...yzing all data signals ACK CMD signal etc All interfaces ex LED Detector Circuit Charge Power Down RF IC IC401 PLL Oscillator Detection Compress Expander 1st 2nd mixer Amplifier for transmission and reception DC 5 5V regulator Reset Circuit Additionally Power Supply Circuit Charge Circuit Telephone Line Interface Circuit 32 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 33: ... by mode the unit stops transmitting but receives the signal During on hook condition the handset is placed on the base unit backup power for memory of the last dialed number is supplied through the battery DC 3 6V Nickel Cadmium in the handset The memory of this unit is not backed up by the current from the telephone line The base unit DC power supply is regulated by Q101 D103 The CPU power is su...

Страница 34: ...14 3 Reset Circuit After power supply from AC adaptor the reset signal for CPU is making in IC401 Refer to the below waveform Fig 2 Fig 3 34 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 35: ... AC ring voltage is transferred as follows JK1 TIP P0301 L301 R334 C322 Q309 IC201 Pin30 JK1 RING L302 R333 C321 C323 Q309 IC201 Pin30 When the CPU detects a ring signal and press the TALK key on the handset Q302 turns on and then Q301 turns on thus providing an off hook condition active DC current flow through the circuit and the following signal flow is for the loop current Tip P0301 L301 D303 Q...

Страница 36: ...is output to receiver REC1 The receiver loudness is adjustable by using LOUD key on the handset TX data to Handset CPU VTX becomes low to turn on the transmission power transistor Q805 and CPU TX data sends data signal It is FM modulated by TX VCO and driven by RF AMP then transmitted to the handset 14 6 2 Handset to Base Circuit Operation The voice signal from the handset user is picked up by the...

Страница 37: ...eceived from RF IC is mixed with RX local frequency at Mixer to generate 10 695 MHz wide band IF The reference frequency is generated by X801 10 240 MHz crystal The 10 695 MHz is mixed with reference and 455 KHz narrow band IF is generated RF IC is controlled by CPU RF EN RF DATA RF CLOCK The RX local frequency is generated by RX VCO 37 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 38: ...TA Filter Filter 1st Local Crystal PLL Osc TX PD RX PD MIC AMP LIMITER COMPRESSOR POWER DOWN MODULATION TX VCO Q804 T803 DV1 TX AMP Q802 T802 RF DATA RF CLOCK RF EN POWER DOWN RX DATA MCU CPU IC701 SPEAKER MIC TX DATA Crystal Battery Q705 Charge Detection Key Matrix Reset Q704 Q701 Q702 Buzzer DC3 9V KX TC2100 BLOCK DIAGRAM HANDSET KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW 38 ...

Страница 39: ...uit Charge Battery Low RAM for keeping the data CH Number ID Code etc RF IC IC801 PLL Oscillator Detection Compress Expander 1st 2nd mixer Amplifier for transmission and reception 16 2 Reset Circuit The power of handset is supplied by battery Whenever the battery is recharged or inserted the impulse at CHG becomes Reset signal through Q704 and it is sent to CPU Fig 4 Fig 5 39 KX TC2100BXB KX TC210...

Страница 40: ...re inside of RF IC The detected voltage is as follows Battery Low Battery voltage V Batt 3 457V The CPU detects the level and Recharge battery LED starts flashing Power Down Battery voltage V Batt 3 0V The output of RF IC Power Down becomes low level then CPU stops working to keep the data CH number ID Code etc Fig 6 40 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 41: ...17 SIGNAL ROUTE Each signal route is as follows 41 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 42: ...18 CPU DATA Base Unit 18 1 IC201 42 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 43: ...19 CPU DATA Handset 19 1 IC701 43 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 44: ...20 RF IC Base Unit and Handset 20 1 Base Unit IC401 Handset IC801 44 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 45: ...ty 0 82 Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free P 4 21 2 FLAT PACKAGE IC REMOVAL PROCEDURE 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 the joint between the IC and its pins fir...

Страница 46: ...ding 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 21 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below 46 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 47: ...22 CABINET AND ELECTRICAL PARTS BASE UNIT 47 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 48: ...23 CABINET AND ELECTRICAL PARTS HANDSET 48 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 49: ...24 ACCESSORIES AND PACKING MATERIALS 49 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 50: ...25 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 25 1 Base Unit 25 2 Handset 50 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 51: ... BODY for KX TC2100BXB PS HB 6 PQKM10675Y3 CABINET BODY for KX TC2100BXS PS HB 6 PQKM10675Y4 CABINET BODY for KX TC2100BXT PS HB 6 PQKM10675Z2 CABINET BODY for KX TC2100BXW PS HB 7 PQKF10666Z1 CABINET COVER for KX TC2100BXB for KX TC2100BXT PS HB 7 PQKF10666Z3 CABINET COVER for KX TC2100BXS PS HB 7 PQKF10666Z2 CABINET COVER for KX TC2100BXW PS HB 8 PQSA10105Y ANTENNA 9 PQHA10030Z RUBBER PARTS FOOT...

Страница 52: ...3GEYJ474 470K R416 ERJ3GEYJ334 330K R417 ERJ3GEYJ223 22K R419 ERJ3GEYJ184 180K Ref No Part No Part Name Description Remarks R420 ERJ3GEYJ683 68K R421 ERJ3GEYJ103 10K R422 ERJ3GEYJ682 6 8K R423 ERJ3GEYJ222 2 2K R424 ERJ3GEYJ103 10K R425 ERJ3GEYJ334 330K R426 ERJ3GEYJ185 1 8M R427 ERJ3GEYJ105 1M R428 ERJ3GEYJ155 1 5M R429 ERJ3GEYJ223 22K R430 ERJ3GEYJ104 100K R431 ERJ3GEYJ182 1 8K R432 ERJ3GEYJ153 1...

Страница 53: ...ABINET COVER for KX TC2100BXB ABS HB Ref No Part No Part Name Description Remarks 105 PQKF10667Y3 CABINET COVER for KX TC2100BXS ABS HB 105 PQKF10667Y4 CABINET COVER for KX TC2100BXT ABS HB 105 PQKF10667Z2 CABINET COVER for KX TC2100BXW ABS HB 106 PQXA36ASVC BATTERY 107 PQKK10589Z1 LID BATTERY COVER for KX TC2100BXB ABS HB 107 PQKK10589Y3 LID BATTERY COVER for KX TC2100BXS ABS HB 107 PQKK10589Y4 L...

Страница 54: ...8 ECUV1H821KBV 820P C820 ECUV1C473KBV 0 047 Ref No Part No Part Name Description Remarks C821 ECJ1VB1H472K 0 0047 C822 ECUV1C104KBV 0 1 C823 ECUV1H103KBV 0 01 C824 ECUV1C473KBV 0 047 C825 ECUV1C104KBV 0 1 C826 ECUV1C104KBV 0 1 C827 ECUV1H103KBV 0 01 C828 ECUV1H103KBV 0 01 C829 ECUV1H103KBV 0 01 C830 ECUV1H103KBV 0 01 C831 ECUV1H220JCV 22P C833 ECUV1C224KBV 0 22 C834 ECUV1H103KBV 0 01 C835 ECUV1C47...

Страница 55: ...Ref No Part No Part Name Description Remarks P2 PQPP10105Z PROTECTION COVER for Handset P3 PQPP10092Z PROTECTION COVER P4 PQPK14627Z GIFT BOX 55 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 56: ...Memo 56 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW ...

Страница 57: ...tant Safety Notice Components identified by mark have special characteristics important for safety When replacing any of these components use only the manufacturer s specified parts 27 2 Handset SCHEMATIC DIAGRAM HANDSET 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 n...

Страница 58: ...28 SCHEMATIC DIAGRAM BASE UNIT KX TC2100 SCHEMATIC DIAGRAM Base Unit NC No Components KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW 58 ...

Страница 59: ...29 SCHEMATIC DIAGRAM HANDSET KX TC2100 SCHEMATIC DIAGRAM Handset NC No Components KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW 59 ...

Страница 60: ...Memo KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW 60 ...

Страница 61: ...bF J5 J6 J21 PQUP11329Z J22 J25 J37 J35 J18 J17 J2 R307 C302 L301 R314 DV401 K A PO301 GND 2 1 SA301 JK1 C104 D103 DPX401 J24 C413 J23 CF401 J19 IN GND OUT J12 J13 J15 J16 J26 J10 J9 J8 J14 J20 J11 J7 R418 CF402 R414 SW201 J3 D201 L201 X201 J36 J31 C401 D105 D104 L104 R101 CH CH D305 L302 R301 D301 D302 D401 SA302 C301 J29 R309 R306 D306 J28 D304 D303 L103 C304 C303 T402 1 3 6 4 T404 T401 T403 KX ...

Страница 62: ...R R412 R410 R409 R408 R407 R404 R405 R403 RXGND RXANT R432 R434 R430 R429 R433 R425 R427 R435 TP7 C310 C314 C315 C306 C321 C313 R311 R302 R336 R334 R303 R304 R333 R317 R320 R308 R319 R318 R313 DC12V CH CH PWR_GND PbF R105 R106 R109 R108 R107 R443 R110 R103 R102 R310 C307 GND3 TIP RING R305 R321 R322 C309 R208 R217 C305 C323 R335 C322 C101 R312 R428 Q402 Q305 R426 R422 R421 R424 R431 TXVCO RXVCO C4...

Страница 63: ... 43 56 15 14 1 I 3 1 4 6 O G C807 C811 C845 C834 C837 C842 C840 C843 C867 C835 C827 C830 C833 C869 C826 C841 C844 C846 C828 C825 C814 C816 C813 C818 C820 C821 DV1 T803 T802 IC801 T804 T801 L801 CF1 CF2 DPX1 ANT2 BLACK RED C812 C824 C815 C859 A C817 C874 C703 C704 C702 C868 C850 C847 C876 PbF PQUP1130Z C705 R706 R702 C706 C707 6 6 4 4 5 4 1 1 2 3 1 3 3 6 4 1 3 L602 48 37 13 24 36 25 1 12 R849 R844 ...

Страница 64: ... C856 C805 Q801 Q802 Q804 C866 R843 DTCOUT R838 C862 R839 C864 R837 R848 C848 R841 C860 C858 C832 C831 C836 REDIAL LED705 LED703 LED704 PbF LED702 DIRECT TXVCO C804 C839 C838 PSAVE AUTO TALK 2 1 4 7 5 0 1 2 8 6 9 3 FLASH LED701 RINGER LOUD PROGRAM MIC GND OUTPUT PAUSE CH Q803 C851 GND ANT_TP NDTC SP SP IFGND 1 3 4 6 C872 C873 DC Power Supply 2ND MIX RFIC 37 TXVCO RXVCO IF GND TXPOWER IF OUT RFIC 3...

Страница 65: ...65 KX TC2100BXB KX TC2100BXS KX TC2100BXT KX TC2100BXW I N N KXTC2100BXB KXTC2100BXS KXTC2100BXT KXTC2100BXW ...

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