Panasonic KX-TC1464LCB Скачать руководство пользователя | Manualshive

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14. BLOCK DIAGRAM (BASE UNIT)

15. CIRCUIT OPERATION

15.1. Outline

Base unit consists of the following ICs as shown in BLOCK DIAGRAM.

- CPU:IC3
- Controlling the whole system
- Forming/analyzing all data signals (ACK, CMD signal etc.)
- All interfaces (ex: LED, KEY, Detector Circuit (Charge/ Power Down)
- RF IC:IC1
- PLL Oscillator
- Compress/ Expander
- Amplifier for transmission and reception
- Additionally
- Power Supply Circuit
- Reset Circuit
- Charge Circuit
- Telephone Line Interface Circuit

15.2. Power Supply Circuit

The power supply to the CPU (Digital, Analog) and RF IC from AC Adaptor (+9V) as shown in
diagram in

Reset Circuit

().

15.3. Reset Circuit

After power supply from AC adaptor, the VDD (5.0V) is input to Q6, Q7 for making reset signal.
Refer to the below waveform.

<Fig. 101>

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Содержание KX-TC1464LCB

Страница 1: ...ORDER NO KM40304063C3 Telephone Equipment KX TC1464LCB 900MHz Cordless Phone Black Version for Peru for Chile SPECIFICATIONS 1 ...

Страница 2: ...of solder although with some precautions standard Pb solder can also be used Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C higher than Pb solder Please use a soldering iron with temperature control and adjust it to 700 F 20 F 370 C 10 C In case of using high temperature soldering iron please be careful not to heat too long PbF solder will tend to splash if it is heated much hi...

Страница 3: ...ns 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 1 2 Base Unit 1 2 1 Main Component View Flow Solder Side View 1 2 2 Locator Component View Flow Solder Side View 1 2 3 RF Module Component View 1 3 Handset 1 3 1 Main Component Vi...

Страница 4: ...eries according to the manufacture s Instructions 4 STANDARD BATTERY LIFE 4 1 Recharge 4 2 Battery Information After your Panasonic battery is fully charged Operation Operating time While in use TALK Up to about 5 hours While not in use Standby Up to about 5 days The battery operating time may vary depending on usage conditions and ambient temperature Clean the handset and the base unit charge con...

Страница 5: ...maximize the battery life The battery cannot be overcharged 5 LOCATION OF CONTROLS 5 1 Base unit 5 ...

Страница 6: ...5 2 Handset 5 3 Battery Replacement 6 ...

Страница 7: ...6 CONNECTIONS 7 ...

Страница 8: ...AC adaptor must remain connected at all times It is normal for the adaptor to feel warm during use When more than one unit is used the units may interfere with each other To prevent or reduce interference please leave ample space between the base units 8 ...

Страница 9: ...6 1 Adding Another Phone This unit will not function during a power failure To connect a standard telephone on the same line use a T adaptor 7 OPERATIONS 7 1 Making Calls 9 ...

Страница 10: ...7 2 Answering Calls 8 DISASSEMBLY INSTRUCUTIONS 10 ...

Страница 11: ...in Fig To remove Remove 1 Lower Cabinet Screws 2 6 8 A 4 2 Locator P C Board Screws 2 3 6 B 4 Locator P C Board 3 RF P C Board Screws 2 6 C 3 RF P C Board 4 Main P C Board Screws 2 3 6 D 4 Main P C Board 11 ...

Страница 12: ...remove Remove 5 Rear Cabinet Battery compartment cover 6 Screws 2 6 8 E 2 7 8 Antenna Screw 2 6 8 F 1 RF P C Board Screws 2 6 G 2 RF P C Board 9 Main P C Board Screws 2 6 H 2 Main P C Board 9 HOW TO REMOVE TEL JACK 12 ...

Страница 13: ...direction of arrow 1 then pull the top of TEL JACK forward as shown arrow 2 until the hooks click Refer to Fig 1 2 Remove TEL JACK pulling just above in the direction of arrow 3 Refer to Fig 2 10 TROUBLESHOOTING GUIDE Cross Reference Check Power 13 ...

Страница 14: ...ion Check Battery Charge Check Link Check Handset Transmission Check Handset Reception 10 1 Check Power Cross Reference Reset Circuit Power Supply Circuit CONNECTIONS Note CPU IC3 Cross Reference Charge Circuit 14 ...

Страница 15: ...own in CIRCUIT BOARD BASE UNIT or CIRCUIT BOARD HANDSET 10 2 Bell Reception Cross Reference Telephone Line Interface Note CPU IC3 Each measurement points are shown in CIRCUIT BOARD BASE UNIT or CIRCUIT BOARD HANDSET 10 3 Check Battery Charge 15 ...

Страница 16: ...rence Charge Circuit Power Supply Circuit CONNECTIONS Note CPU IC3 Cross Reference Reset Circuit Charge Circuit Note CPU U1 Each measurement points are shown in CIRCUIT BOARD BASE UNIT or CIRCUIT BOARD HANDSET 16 ...

Страница 17: ...10 4 Check Link Refer to Adjustment Note CPU IC3 RF IC IC1 17 ...

Страница 18: ...h measurement points are shown in CIRCUIT BOARD BASE UNIT or CIRCUIT BOARD HANDSET Refer to Adjustment Note CPU U1 RF IC IC1 Each measurement points are shown in RF Module 10 5 Check Handset Transmission 18 ...

Страница 19: ...n item The transmit frequency is off Make confirmation in item The transmit power output is low and the operating distance between the base unit and the handset is less than normal Make confirmation in item The reception sensitivity of base unit is low with noise Make confirmation in item The transmit level is high or low Make confirmation in item The reception level is high or low Make adjustment...

Страница 20: ... VC1 so that the reading of the frequency counter is 1ch Freq 902 1MHz 9KHz at the antenna D TX Power Confirmation CH1 Talk T5 Confirm so that the reading of the RF VTVM is 7 2dBm at TP510 E RX Sensitivity Confirmation CH1 Talk 1 Apply 107dBm output from S S G modulation frequency 1KHz dev 0KHz 2 Confirm that the distortion reading of Audio Analyzer is less than 25 F Line Output Level Confirmation...

Страница 21: ...iew RF Module 12 ADJUSTMENTS HANDSET If your unit have below symptoms adjust or confirm each item using remedy column from the table Symptom Remedy The movement of Battery Low Indicator is wrong Make confirmation in item The base unit does not respond to a call from the handset Make adjustments in item The base unit does not transmit or the transmit frequency is off Make adjustments in item The tr...

Страница 22: ...rom P C Board of the handset 2 Power Supply DC 3 9V DC power supply 3 Speaker Load 150 CH TX Frequency RX Frequency Volume CH1 925 9MHz 902 1MHz 2 12 1 Test Mode Flow Chart Handset Note Refet to CIRCUIT BOARD HANDSET SIGNAL ROUTE 12 2 Adjustment 22 ...

Страница 23: ...e distortion reading of Audio Analyzer is less than 25 F RSSI Confirmation Talk 1 Measure the SSG output level when the SIG_OUT changes from Low to High modulation frequency 1KHz dev 25kHz 2 Confirm that the SSG output level is 70 15dBm G Speaker Output Level confirmation Talk 1 Apply 47dBm output from S S G modulation frequency 1KHz dev 25KHz 2 Confirm that SP output level is 170 10mVrms distorti...

Страница 24: ...55 926 55 902 75 15 902 80 926 60 926 60 902 80 16 902 85 926 65 926 65 902 85 17 902 90 926 70 926 70 902 90 18 902 95 926 75 926 75 902 95 19 903 00 926 80 926 80 903 00 20 903 05 926 85 926 85 903 05 21 903 10 926 90 926 90 903 10 22 903 15 926 95 926 95 903 15 23 903 20 927 00 927 00 903 20 24 903 25 927 05 927 05 903 25 25 903 30 927 10 927 10 903 30 26 903 35 927 15 927 15 903 35 27 903 40 9...

Страница 25: ...nterfaces ex LED KEY Detector Circuit Charge Power Down RF IC IC1 PLL Oscillator Compress Expander Amplifier for transmission and reception Additionally Power Supply Circuit Reset Circuit Charge Circuit Telephone Line Interface Circuit 15 2 Power Supply Circuit The power supply to the CPU Digital Analog and RF IC from AC Adaptor 9V as shown in diagram in Reset Circuit 15 3 Reset Circuit After powe...

Страница 26: ...rging the handset on the base unit the charge current is as follows DC 9V L1 CHG Base CHG1 Handset D1 BAT1 Battery BAT2 GND D2 D3 CHG2 Handset CHG2 Base L7 ZD11 DC GND In this way the CPU on both unit detects the fact that the battery is charged Fig 103 26 ...

Страница 27: ...he following signal flow is for the loop current T L9 R52 T4 RLY1 L10 F1 R OFF HOOK ON HOOK Circuit Q3 is open Q3 connected as to cut the DC loop current via RLY1 and to cut the voice signal The unit is consequently in an on hook condition Pulse Dial Circuit DSP Relay turns Q3 ON OFF to make the pulse dialing via RLY1 Side Tone Circuit Basically this circuit prevents the TX signal from feeding bac...

Страница 28: ...5 6 2 Receiver Block Circuit Operation The signal of 900MHz band 925 9 927 85MHz which is input from ANT is filtered at FL501 as shown in BLOCK DIAGRAM BASE UNIT then it is input to RF IC The signal input to RF IC is converted through Mixer IF filter CF501 and Expander In short 1st local frequency is mixed with the received RF signal Then it passes through IF CF501 10 7 MHz Intermidiate Frequency ...

Страница 29: ... Reset signal through D11 and sent to CPU Refer to Charge Circuit Fig 201 17 3 Battery Low Power Down Detector Circuit Operation Battery Low and Power Down are detected by RF IC which check the voltage from battery Shortly every detected blocks are inseide of RF IC The detected voltage is as follows Battery Low Battery voltage V Batt 3 57V The CPU detects this level and IN USE starts flashing Powe...

Страница 30: ...18 SIGNAL ROUTE Each signal route is as follows 19 CPU DATA BASE UNIT 19 1 IC3 30 ...

Страница 31: ... TX power 18 P72 RESERVED H O 19 P17 FLASHOPT L I Flash time option H 600ms L 20 P16 COMCLK L O Combo chip clock normal low output Pull low through 10k 21 P15 COMDATA L O Combo chip data normal low output 22 P14 COMSTB L O Combo chip strobe normal low output 23 P13 RXDATA H I RX path data input 24 P12 LSEIZE L O Line seize control H seize line 25 P11 CHGDET H I charge detect L charge 26 P10 RINGDE...

Страница 32: ...TE H O TALK LED L LED ON 13 P76 POW_DWN_IN I Power Down Detect in H L Detect 14 VSS VSS Ground 15 P75 STB L O COMBO STROBE H ENABLE 16 P74 DATA H O COMBO DATA 17 P73 CLK H O COMBO CLOCK 18 P72 TX_PWR H O TX POWER CONTROL L TX POWER 19 P17 C4 L O Keyout 4 normal low output 20 P16 C3 L O Keyout 3 normal low output 21 P15 C2 L O Keyout 2 normal low output 22 P14 C1 L O Keyout 1 normal low output 23 P...

Страница 33: ...IGOUT LD RSSI ND output 16 SPOUT1 SP amp output 2 44 BATTLOW BatteryLow output 17 SPIN SP amp input 45 VSSS Logic Gnd 18 PE Half Mute detection 46 RXPD RX phase comparator output 19 ZAP ZAP write 47 PLLREG Logic Power Source Output 20 GND3 Ground 3 48 TX_PD TX phase comparator output 21 EXPOUT EXP output 49 TXVCC3 TX counter Vcc 22 DIN Data amp input 50 FIN_TX TX counter input 23 EDET EXP detectio...

Страница 34: ...oldering two diagonally opposite pins in the correct positions on the PCB 2 Apply flux to all of the pins on the IC 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 22 3 Removing Solder from Between Pins 1 Add a small amount of solder to the bridged pins 34 ...

Страница 35: ...2 With a hot iron use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads 23 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 35 ...

Страница 36: ...24 CABINET AND ELECTRICAL PARTS LOCATION 36 ...

Страница 37: ... HANDSET 25 ACCESSORIES AND PACKING MATERIALS 37 ...

Страница 38: ...26 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 26 1 Base Unit 26 2 Handset 38 ...

Страница 39: ...and product retention At the end of this period the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When replacing any of these components only use specified manufacture s parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part...

Страница 40: ...ERMINAL 2 170023700010 ANTENNA 3 401390023000 UPPER CABINET 4 402400220370 LOWER CABINET 5 407400020376 FIXING PLATE 6 408400020370 HOOK LEVER 7 408400020376 HANDSET LOCATOR BUTTON 8 410207100000 KEYBOARD SWITCH 9 432231511001 NAME LABEL 10 PQWCTC1461LA RF SHIELD 11 407400020370 WALL MOUNT 27 1 2 Main P C Board Parts 40 ...

Страница 41: ...DE SI S D4 214418021000 DIODE SI S D5 214418000000 DIODE SI S D6 214418000000 DIODE SI S AD1 214418021000 DIODE SI S ZD1 212560600000 DIODE SI S ZD10 212750600000 DIODE SI S COILS L1 392000211000 COIL S L10 PQLQZK1R0K COIL L6 PQLQZK680K COIL L7 PQLQZK680K COIL L8 PQLQZK680K COIL L9 PQLQZK1R0K COIL CONNECTORS CN1 311049020000 FLAT CABLE S CN2 311153020600 FLAT CABLE S DCG 301000700004 JACK S JACK 3...

Страница 42: ... R40 ERJ3GEYJ274 270k R41 ERJ3GEYJ104 100k R42 ERJ3GEYJ684 680k R43 ERJ3GEYJ514 510k R44 PQMGC25TJ206 2M R45 PQMGC25TJ206 2M R46 ERJ3GEYJ514 510k R47 ERD25TJ101 100 R48 ERDS2TJ103 10k R49 ERJ3GEY0R00 0 R51 ERJ3GEY0R00 0 R55 ERJ3GEYJ102 1k R56 ERJ3GEYJ103 10k R65 ERJ3GEYJ394 390k R66 ERJ3GEYJ473 47k R67 ERJ3GEYJ473 47k R68 ERJ3GEYJ152 1 5k R69 ERJ3GEYJ103 10k R70 231129100600 12 S R71 ERDS2TJ000 0 ...

Страница 43: ...47k R101 ERJ3GEYJ470 47k R103 ERJ3GEYJ203 20k R104 ERJ3GEYJ363 36k R111 ERJ3GEYJ243 24k R201 ERJ3GEYJ103 10k R202 ERJ3GEYJ152 1 5k R207 ERJ3GEY0R00 0 R208 ERJ3GEYJ303 30k S CAPACITORS C1 ECUV1H221JCV 220P C2 ECUV1C104ZFV 0 1 C3 ECUV1C104ZFV 0 1 C4 ECUV1C224ZFV 0 22 C5 ECUV1H103KBV 0 01 C6 220101681300 0 1 S C7 220101681309 0 01 S C8 220101681309 0 01 S C9 ECUV1C104ZFV 0 1 C10 ECUV1C104ZFV 0 1 C12 ...

Страница 44: ... ECEA1CK102 1000 EC9 ECEA1HU100 10 S EC10 ECEA1AU470 47 EC12 ECEA1HU2R2 2 2 EC16 ECEA1HU4R7 4 7 EC17 PQCUV1C105ZF 1 EC18 PQCUV1C105ZF 1 OTHERS F1 354030100006 FUSE S RLY1 254080000013 RELAY S T4 258194190005 TRANS S VC1 280300400000 VARIABLE CAPACITOR S VDR1 218170900001 VARISTOR S X2 260000400017 CRYSTAL OSCILLATOR S 27 1 3 Locator P C Board Parts Ref No Part No Part Name Description Remarks PCB2...

Страница 45: ...0830200 COIL S L504 252330201801 COIL S RESISOTRS R1 ERJ3GEYJ153 15k R2 ERJ3GEY0R00 0 R3 ERJ3GEYJ273 27k R4 ERJ3GEYJ104 100k R6 ERJ3GEYJ152 1 5k R8 ERJ3GEYJ224 220k R9 ERJ3GEYJ274 270k R10 ERJ3GEYJ303 30k R11 ERJ3GEYJ563 56k R12 ERJ3GEYJ333 33k R15 ERJ3GEYJ683 68k R16 ERJ3GEYJ224 220k R17 ERJ3GEYJ223 22k R18 ERJ3GEYJ394 390k R19 ERJ3GEYJ273 27k R21 ERJ3GEYJ223 22k R501 ERJ3GEYJ184 180k R503 ERJ3GE...

Страница 46: ...22 ERJ3GEY0R00 0 C582 ERJ3GEY0R00 0 CAPACITORS C1 ECUV1H470JCV 47P C2 ECUV1C104ZFV 0 1 C3 ECUV1H473MDV 0 047 S C4 ECUV1H040CCV 4P C6 ECUV1C104ZFV 0 1 C7 ECUV1H330JCV 33P C8 ECUV1C104ZFV 0 1 C9 ECUV1C104ZFV 0 1 C10 PQCUV1C105ZF 1 C11 PQCUV1C225ZF 2 C12 ECUV1H680JCV 68P C13 ECUV1C104ZFV 0 1 C14 ECUV1H102KBV 0 001 C15 ECUV1H473MD 0 047 S C17 PQCUV1E104MD 0 1 S C19 ECUV1C104ZFV 0 1 C20 ECUV1H101JCV 10...

Страница 47: ...V1C105ZF 1 C539 ECUV1H040CCV 4P C541 ECUV1H102KBV 0 001 C542 ECUV1H100DCV 10P C543 ECUV1H330JCV 33P C545 ECUV1H040CCV 4P C546 ECUV1H060DCV 6P S C549 ECUV1H020CCV 2P C554 ECUV1H040CCV 4P C556 ECUV1H102KBV 0 001 C559 PQCUV1C224ZF 0 22 C560 ECUV1H102KBV 0 001 C561 ECUV1H470JCV 47P C562 ECUV1H220JCV 22P C563 ECUV1H222KBV 0 0022 C564 ECUV1H470JCV 47P C565 ECUV1H020CCV 2P C566 ECUV1H050CCV 5P C567 ECUV1...

Страница 48: ...emarks 101 332385301014 SPEAKER 102 403390023000 FRONT CABINET 103 404391120370 REAR CABINET 104 406390020370 BATTERY COVER 105 407391020370 ANTENNA 106 407390023005 LCD PANEL 107 408391020370 RINGER LEVER 108 410207004100 KEYBOARD SWITCH 109 420187100100 PET SHEET 110 420197100000 PET SHEET 111 432231500001 NAME LABEL 112 461001000000 SPEAKER SHEET 113 464100000000 RUBBER 114 470216031000 CUSHION...

Страница 49: ...000 DIODE SI S D10 214418000000 DIODE SI S D11 214418000000 DIODE SI S D12 214418021000 DIODE SI S D13 214418021000 DIODE SI S D16 214418021000 DIODE SI S D17 214418021000 DIODE SI S ZD1 212560600000 DIODE SI S LED LED 335050300005 LED S COILS L2 PQLQZK680K COIL L3 PQLQZK680K COIL RESISTORS R1 PQ4R10XJ330 33 S R2 ERJ3GEY0R00 0 R4 ERJ3GEY0R00 0 R5 ERJ3GEYJ154 150k R6 ERJ3GEYJ683 68k R7 ERJ3GEYJ105 ...

Страница 50: ...ACITORS C1 ECUV1C104ZFV 0 1 C2 ECFD1C104KD 0 1 S C3 ECUV1H102KBV 0 001 C8 PQCUV1C225ZF 2 2 C38 ECKD1H103KB 0 01 S C40 ECUV1H331JCV 330P S C43 ECUV1C104ZFV 0 1 C44 ECUV1H180JCV 18P C58 ECUV1C474ZFV 0 47 C201 ECUV1C104ZFV 0 1 C202 ECUV1C104ZFV 0 1 AC2 ECUV1C104ZFV 0 1 AC3 ECUV1H103KBV 0 01 EC2 PQCUV1C105ZF 1 EC4 ECEA1AKA221 220 EC5 221220360100 220 EC13 PQCUV1C105ZF 1 OTHERS BATT 310020040004 BATTER...

Страница 51: ...00 COIL S L504 252330201801 COIL S FL501 251096040116 COIL S RESISTORS R1 ERJ3GEYJ153 15k R2 ERJ3GEY0R00 0 R3 ERJ3GEYJ273 27k R4 ERJ3GEYJ104 100k R5 ERJ3GEYJ104 100k R6 ERJ3GEYJ152 1 5k R8 ERJ3GEYJ474 470k R9 ERJ3GEYJ274 270k R10 ERJ3GEYJ682 6 8k R11 ERJ3GEYJ513 51k R12 ERJ3GEYJ273 27k R15 ERJ3GEYJ154 150k R16 ERJ3GEYJ753 75k R17 ERJ3GEYJ223 22k R501 ERJ3GEYJ184 180k R503 ERJ3GEYJ330 33 R504 ERJ3G...

Страница 52: ...A ERJ3GEYJ433 43k R16A ERJ3GEYJ513 51k R16A ERJ3GEYJ623 62k R16A ERJ3GEYJ753 75k R16A ERJ3GEYJ913 91k R16A ERJ3GEYJ473 47k R16A ERJ3GEYJ563 56k R16A ERJ3GEYJ683 68k R16A ERJ3GEYJ823 82k JR1 ERJ3GEY0R00 0 CAPACITORS C1 ECUV1H470JCV 47P C2 ECUV1C104ZFV 0 1 C3 ECUV1H473MDV 0 047 S C4 ECUV1H040CCV 4P C5 ECUV1H221JCV 220P C6 ECUV1C104ZFV 0 1 C7 ECUV1H331JCV 330P S C8 ECUV1C104ZFV 0 1 C9 ECUV1C104ZFV 0 ...

Страница 53: ...ZF 1 C535 ECUV1C104ZFV 0 1 C536 ECUV1H123KBV 0 012 C537 PQCUV1E104MD 0 1 S C538 PQCUV1C105ZF 1 C539 ECUV1H040CCV 4P C541 ECUV1H102KBV 0 001 C542 ECUV1H100DCV 10P C543 ECUV1H330JCV 33P C545 ECUV1H030CCV 3P C546 ECUV1H060DCV 6P S C549 ECUV1H020CCV 2P C554 ECUV1H040CCV 4P C556 ECUV1H102KBV 0 001 C559 PQCUV1C224ZF 0 22 C560 ECUV1H102KBV 0 001 C561 ECUV1H470JCV 47P C562 ECUV1H220JCV 22P C563 ECUV1H222K...

Страница 54: ... Remarks A1 PQJA10088Z TEL CORD A2 PQWATC1461BX AC ADAPTOR A3 435207101000 CHARGE CARD A4 PQQX13566Z INSTRUCTION BOOK P1 444203316100 ACCESSORY BOX P2 444203317100 PAD P3 444203317200 ANTENNA PAD P4 491320123010 POLY BAG for Base Unit P5 491300010210 POLY BAG for Handset P6 PQPK13892Z CARTON BOX 28 FOR SCHEMATIC DIAGRAM 28 1 Base Unit SCHEMATIC DIAGRAM BASE UNIT 1 DC voltage measurements are taken...

Страница 55: ...ment of new technology 29 SCHEMATIC DIAGRAM BASE UNIT 29 1 Main 29 2 RF Module 30 SCHEMATIC DIAGRAM HANDSET 30 1 Main 30 2 RF Module 31 CIRCUIT BOARD BASE UNIT 31 1 Main Component View 31 2 Main Flow Solder Side View 31 3 Locator Component View 31 4 Locator Flow Solder Side View 31 5 RF Module 32 CIRCUIT BOARD HANDSET 32 1 Main Component View 32 2 Main Flow Solder Side View 32 3 RF Module M KXTC14...

Страница 56: ...Marked PbF SP_OUT ...

Страница 57: ...U1 X1 Marked PbF 1 14 28 15 Rec_O P_B CH_DET U1 25 ...

Страница 58: ...IC1 TP809 TXVCO TP808 RXVCO TP510 Ext_out VR1 Pre_out Tx data DET_out SIG_out 1 14 15 28 29 42 43 56 Marked PbF ...

Страница 59: ...AF OSC LOOP SIMULATOR Audio Analyzer E F Tip Ring IC3 PbF ...

Страница 60: ...IC1 14 15 28 29 42 43 56 1 TP809 TXVCO TP808 RXVCO TP510 D M A FM Deviation Meter G I Frequency Counter C SSG 925 9MHz Spectrum Analyzer D D M B H Oscillo scope SIG_OUT GND PbF ...

Страница 61: ...DC Power Supply Battery PbF ...

Страница 62: ...IC1 TP809 TXVCO TP808 RXVCO TP510 1 14 15 28 29 42 43 56 Audio Analyzer Oscillo scope AF Generator GND SIG_OUT MIC_IN E G D M B FM Deviation Meter H I Spectrum Analyzer D Frequency Counter C D M A PbF ...

Страница 63: ... MIXER Q512 RF Module LNA Low Noise Amp Q555 Q556 DUPLEXER ANTENNA LPF FL501 9V DC 9V To H S Q2 Q10 CHARGE DETECT Q9 VOLTAGE REGULATOR 5V Doubler Buffer Q510 TX_VCO Q509 VD502 Q8 TX ON OFF TX AUDIO 39 36 8 15 43 9 46 EXP COMP transmit receive COM_STB COM_DATA COM_CLK RSSI REF_CLK RX_DATA X2 4MHz TX_DATA KX TC1464LCB BLOCK DIAGRAM BASE UNIT Det MIC_IN MIC_IN SIG_OUT 1st IF IN RX_PD TX_PD SF_OUT D_O...

Страница 64: ...OPHONE IF FILTER CF501 MIXER Q512 LNA Low Noise Amp Q555 Q556 DUPLEXER ANTENNA LPF Doubler Buffer Q510 TX_VCO Q509 Q2 RX ON OFF Q4 Q1 Power down Q3 Q6 BUZZER CKT RESET CHARGE CIRCUIT 3 6V BATTERY R2 0R Q5 TX ON OFF STB DATA CLK REF_CLK RX_DATA TX_DATA PD IN X1 4MHz VCC KX TC1464LCB BLOCK DIAGRAM HANDSET 37 46 15 SP OUT 2 1st IF_IN RX PD SFC 2 SP OUT 1 MIC_IN Key 16 4 10 15 18 11 5 27 25 16 17 1 2 ...

Страница 65: ... C 47k 300msec 47k N C 47k N C 600msec N C 47k 47k N C 730msec 47k N C 47k N C Reserved IC3 13pin IC3 19pin Remark IC3 40dBm 22mVp p Output 11dBm 22dBm 172mVp p 900mVp p 4 5Vp p Reception Input f 1kHz 686mVp p 10dBm 600Ω 5V 4 5V 5V KX TC1464LCB SCHEMATIC DIAGRAM BASE UNIT Main To H S To AC Adaptor Tip Ring ...

Страница 66: ...TX RX 220k 47N IC1 1 75V 0 2V at CH1 10 7 MHz Tx VCO 1 8V 0 15V at CH1 KX TC1464LCB SCHEMATIC DIAGRAM BASE UNIT RF Module 25KHz Dev 1KHz Tone Input 25KHz Dev 1KHz Tone Output 10 7 MHz Rx VCO Tx VCO ...

Страница 67: ...TX RX 0R 47k N C U1 3Vp p 490mVp p Volume Input 1kHz 10 7mVp p 3 6V 3 3V 3 3V 3 3V 3 0 V 300mVp p KX TC1464LCB SCHEMATIC DIAGRAM HANDSET Main ...

Страница 68: ...TX RX 6 8k IC1 1 75V 0 2V at CH1 Tx VCO 1 8V 0 15V at CH1 KX TC1464LCB SCHEMATIC DIAGRAM HANDSET RF Module 25KHz Dev 1KHz Tone Input 25KHz Dev 1KHz Tone Output 10 7 MHz 10 7 MHz Rx VCO Tx VCO ...

Страница 69: ...IC2 KX TC1464LCB BASE UNIT Main Component View L seize 1 7 8 14 Power Down Tx Down SIG_OUT PbF ...

Страница 70: ...IC3 KX TC1464LCB BASE UNIT Main Flow Solder Side View 1 28 14 15 LED P1 IC3 12 CHG_DET IC3 25 Ring_DET IC3 26 PbF ...

Страница 71: ...KX TC1464LCB BASE UNIT Locator Component View PbF ...

Страница 72: ...KX TC1464LCB BASE UNIT Locator Flow Solder Side View PbF ...

Страница 73: ...IC1 KX TC1464LCB BASE UNIT RF Module D_OUT D_IN Tx Data REC_O P_A 14 15 28 29 42 43 56 1 TP809 TXVCO TP808 RXVCO TP510 PbF ...

Страница 74: ...KX TC1464LCB HANDSET Main Component View SP_OUT PbF ...

Страница 75: ...PbF U1 X1 KX TC1464LCB HANDSET Main Flow Solder Side View 1 14 28 15 Rec_O P_B CH_DET U1 25 ...

Страница 76: ...IC1 KX TC1464LCB HANDSET RF Module TP809 TXVCO TP808 RXVCO TP510 Ext_out VR1 Pre_out Tx data DET_out SIG_out 1 14 15 28 29 42 43 56 PbF ...

Страница 77: ...Marked IC2 PbF L seize 1 7 8 14 Power Down Tx Down SIG_OUT ...

Страница 78: ...IC3 Marked PbF 1 28 14 15 LED P1 IC3 12 CHG_DET IC3 25 Ring_DET IC3 26 ...

Страница 79: ...Marked PbF ...

Страница 80: ...Marked PbF ...

Страница 81: ...IC1 Marked PbF D_OUT D_IN Tx Data REC_O P_A 14 15 28 29 42 43 56 1 TP809 TXVCO TP808 RXVCO TP510 ...

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