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Panasonic KX-TC1205RUW manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    © 2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying a nd distribution is a violation o f law. KX-TC120 5RUB KX-TC120 5RUW KX-TC120 5RUS KX-TC120 5RUF Cordless Phone Black Versio n White Versio n Silver Versi on Blue Versio n (for Russia) Telephone Equipment ORDER NO. KM40204852C3[...]

  • Page 2

    1 BATTERY 4 1.1. Recharge 4 1.2. Battery information 4 2 BATTERY REPLACEM ENT 5 3 LOCATION OF CONTROLS 6 3.1. Base Unit 6 3.2. Handset 6 4 CONNECTION 7 4.1. Adding Another Phone 9 5 OPERATION S 10 5.1. Making Calls 10 5.2. Answering Calls 10 5.3. Storing Phone Numbers in Memory 11 5.4. Storing a Phone Number in the DIRECT Button 11 5.5. Dialing a S[...]

  • Page 3

    16.1. Outline 38 16.2. Power Supply Circuit 39 16.3. Reset Circuit (Base Unit) 40 16.4. Charge Circuit 41 16.5. Telephone Line Interface 41 16.6. Transmitter/ Receiver 42 16.7. Signal Route 44 17 CIRCUIT OPERATION (HANDSET) 45 17.1. Reset Circuit (Handset) 45 17.2. Battery Low / Power Down Detector 46 18 C P U DATA (Base Unit) 47 18.1. IC2 47 19 C [...]

  • Page 4

    1 BATTERY 1.1. Recharge 1.2. Battery information 4 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 5

    2 BATTERY REPLACEME NT 5 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 6

    3 LOCATION OF CONTROLS 3.1. Base Unit 3.2. Handset 6 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 7

    4 CONNECTION • • USE ONLY WITH Panaso nic AC ADAPT OR PQLV1 6CEZ. • • The AC adapto r must remain connec ted at all times. (It is normal for the adapto r to feel warm during use.) • • W hen more than one unit is used, the units may interfer e with each other. T o prevent or reduce interference, please leave ample space betwee n the base[...]

  • Page 8

    8 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 9

    4.1. Adding Another Phone This unit will not function during a power failue. To connec t a standard telepho ne on the same line, use a telepho ne T-adapto r . 9 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 10

    5 OPERATION S 5.1. Making Calls 5.2. Answering Calls 10 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 11

    5.3. Storing Phone Numbers in Memory 5.4. Storing a Phone Number in the DIRECT Button 11 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 12

    5.5. Dialing a Stored Number 5.6. Dialing a Stored Number in the DIRECT Button 12 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 13

    5.7. FLASH Button 13 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 14

    6 DISASSEMB LY INSTRUCTIONS Show in Fig. To remove. Remove. 1 Lower Cabinet Screws (2.6 × 12).............. ......... (A) × 4 2 Main P.C. Board Screws (2.6 × 6)................ ......... (B) × 1 Screws (2.6 × 6)................ ..........(C) × 2 Screws (2.6 × 12).............. ..........(D) × 1 Main P.C. Board. 14 KX- TC120 5RUB / KX-TC 120[...]

  • Page 15

    Show in Fig. To remove. Remove. 3 Rear Cabinet Battery compartmen t cover. 4 Screws (2.6 × 12).............. ........(E) × 2 5 Main P. C. Board Screw (2.6 × 12).............. ..........(F) × 1 Tape and solder. Main P. C. Board. 15 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 16

    7 TROUBLESHOOTING GUIDE Cross Refere nce: Check P owe r (P.17) Bell Recep tion (P.18) Check Battery Charge (P.19) Check Link (P.20) Check Hands et Transmission (P.22) Check Hands et Recep tion (P.22) 16 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 17

    Cross Refere nce: Reset Circuit (Base Unit) (P.40) Po we r Supply Circuit (P.39) Cross Refere nce: Charge Circuit (P.41) Note: CPU: IC2 Note: CPU: IC2 7.1. Check Power *: Each measu rement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et) (P.67) 17 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 18

    Cross Refere nce: Check Link (P.20) Telephone Line Interfa ce (P.41) Note: CPU: IC2 7.2. Bell Reception Cross Refere nce: Check Link (P.20) *: Each measu rement points are shown in CIRCUI T BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et) (P.67) 18 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 19

    Cross Refere nce: Charge Circuit (P.41) Po we r Supply Circuit (P.39) Cross Refere nce: Reset Circuit (Hands et) (P.45) Note: CPU: IC2 Note: CPU: IC2 7.3. Check Battery Charge *: Each measu rement points are shown in CIRCUI T BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et) (P.67) 19 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5[...]

  • Page 20

    **: Refer to Adjustment (P.24) Note: CPU: IC2 RF IC: IC1 7.4. Check Link *: Each measu rement points are shown in CIRCUI T BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et) (P.67) 20 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 21

    **: Refer to Adjustment (P.27). Note: CPU: IC2 RF IC: IC1 *: Each measu rement points are shown in CIRCUI T BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et) (P.67) 21 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 22

    7.5. Check Handset Transmission Cross Refere nce: Signal Route (P.44) 7.6. Check Handset Reception Cross Refere nce: Signal Route (P.44) *: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Hands et ) (P.67) 22 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 23

    Note: **: Refer to the above table. 8 ADJUSTMENTS (BASE UNIT) If your unit have below sympto m s, adjust or confirm each item using remedy column from the table. Symptom Remedy* The base unit dose not respond to a call from handset. Make adjustments i n item ( A ) The base unit dose not transmit or the transmit frequency is off. Make adjustments in[...]

  • Page 24

    8.2. H ow to change the channel *: Refer to Fl o w Solder Side View (P.66). 8.3. Adjustment Adjustment Items Test Mode Adjustment Point *Procedure Check or Replace Parts ( A ) RX VCO Confirmation 3ch Talk - • • Confirm so that the reading o f the Digital Voltmeter is 1.5V ± 0.5V. IC1, L10, C26 ( B ) TX VCO Adjustment 3ch Talk T6 • • Adjust[...]

  • Page 25

    8.4. Adjustment Standard (Base Unit) Oscilloscope ( H ) RF V olt Meter T .P ( CH change at test mode) DC12V or AC adaptor DC V olt Meter Confirmation of VCO v oltage TX-VCO RX-VCO ( A ), ( B ) Loop SIMULA TOR AF OSC AF V olt Meter ( F ) TXPOWER TXGND SSG Audio Analyzer RF V olt Meter Frequency Counter ( D ) ( C ) ( G ) FM Deviation Meter ( E ) 50 ?[...]

  • Page 26

    9 ADJUSTMENTS (HANDSET) If your unit have below sympt o ms, adjust or confirm each item using remed y column from the table. Symptom Remedy* The movement of Battery Low Indicator is wrong. Make confirmation in item ( A ) The base unit does not respond to a call from the handset. Make adjustments i n item ( B ) The base unit does not transmit or the[...]

  • Page 27

    9.2. H ow to change the channel 9.3. Adjustment Adjustment Items Test Mode Adjustment Point Procedure Check or Replace Parts ( A ) Battery Low Confirmation 3ch Talk - 1. Set the power supply voltage to DC3.60V, an d confirm so that the reading of oscillosope is High. 2. Set the power supply voltage to DC 3.40V, an d confirm so that the reading of o[...]

  • Page 28

    9.4. Adjustment Standard (Handset) (Component View) 150 Ω AF V olt Meter ( H ) Oscilloscope ( G ) Noise Squelch ( A ) Battery Low 47 µ F AF- Generator + - IC2 Note: ( A )- ( I ) is refered to A DJUSTMENTS (HAND SET) (P.26) KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF 28[...]

  • Page 29

    (Flow Solder Side View) TXPOWER TXGND 50 Ω FM Deviation Meter Audio Analyzer F requency Counter RF Millivolt Meter ( I ), ( J ) ( D ) ( E ) SSG 43.820MHz DC V olt Meter ( B ) TX VCO RF V olt Meter ( F ) DC P ow er Supply DC V olt Meter ( C ) RX VCO IC1 Note: ( A )- ( I ) is refered to A DJUSTMENTS (HAND SET) (P.26) KX- TC120 5RUB / KX-TC 1205R UW[...]

  • Page 30

    10 RF SPECIFICAT ION 10.1. Base Unit Item Value Refer to -.* Remarks TX Frequency 30.175 MHz ± 0.1kHz ADJUSTME NTS (BASE UNIT) (C) at CH3 TX Power 8m W (3CH) ADJUSTME NTS (BASE UNIT) (D) at CH3 Line Modulation factor 2.8 kHz~3.4 kHz ADJUSTME NTS (BASE UNIT) (G) Line Modulation factor (Max.) 4.5 kHz~8.5 kHz — Data Modulation factor 3 kHz~7 kHz ?[...]

  • Page 31

    12 FREQUENCY TABLE (MHz) BASE UNIT PORTABLE UNIT Channel Transmit Frequency Receive Frequency Transmit Frequency Receive Frequency 1 30.0750 39.7750 39.7750 30.0750 2 30.1250 39.8250 39.8250 30.1250 3 30.1750 39.8750 39.8750 30.1750 4 30.2250 39.9250 39.9250 30.2250 5 30.2750 39.9750 39.9750 30.2750 6 30.1000 39.8000 39.8000 30.1000 7 30.1500 39.85[...]

  • Page 32

    13 EXPLANATIO N OF C PU DATA COMMUNICATION 13.1. STAND-BY - > TALK, TALK -> STAND- B Y *: The channe l is changed if the noise interfer es with the conver sation. 32 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 33

    13.2. Ringing 33 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 34

    13.3. Changing the Channel 34 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 35

    Handse t : transmitting (TX) ... 36 Pin receivin g (RX) .. . 4 Pin 13.5.2. Base Unit • • For example (one of part of data) Base Unit: transmitting (TX) ... 17 Pin receivin g (RX) .. . 10 Pin 13.4. Ports for transmitting and receiving of data 13.5. Waveform of DATA used for cordless transmission and reception The DATA which is transm itted from [...]

  • Page 36

    14 BLOCK DIAGRAM (BASE UNIT) RX VCO L10, C26 DUPLEXER DPX1 MIX 1/2 RF AMP Q1, T2 RX LOOP X1 VC1 X2 DC 12V TX LOOP DC 5V RF IC IC1 TELEPHONE LINE INTERFACE CPU IC2 RF -DATA -CLK -STB VTX RF -DATA -CLK -STB RX DATA TX DATA POWER CONTROL Q2 5V REGULATOR Q18, Q19 RF AMP Q3,Q4, T5 TX VCO Q5, T6, DV1 PLL OSC RF FILTER CF1, CF2 10.7MHz 455kHz ANTENNA LED [...]

  • Page 37

    15 BLOCK DIAGRAM (HANDSET) RX VCO L6, C24 DUPLEXER DPX1 MIX 1/2 RF AMP Q1, T3 X1 X3 TX LOOP DC 3.9V RF IC IC1 CPU IC2 RF -DATA -CLK -STB VTX RF -DATA -CLK -STB RX DATA TX DATA POWER CONTROL Q4 RF AMP Q5, T5 TX VCO Q6, T6, DV1 PLL OSC RF FILTER CF1, CF2 ANTENNA LED Q8, LED 1-4 RESET Q11 DIODE BRIDGE D1 CHARGE DTC IC2 PING37 BUZZER Q7, BZ1 KEY BOARD [...]

  • Page 38

    16 CIRCUIT OPERATION 16.1. Outline Base unit consist s o f the followin g ICs as shown in BLOCK DIAGR AM. • • CPU:IC2 − − Controllin g the whole system − − Forming/analyz ing all data signals (ACK, CMD signal etc.*) − − All interfac es (ex: LED, KEY, SP, Mic, LCD, Detector Circuit (Charge/ Power Down) *Refer to E XPLAN ATION O F CPU[...]

  • Page 39

    16.2. Power Supply Circuit The power supply to the CPU (Digital , Analog ) and RF IC from AC Adapto r (+12V) is shown in the diagram below. The base unit power supply is DC12V . The handse t´s power is supplie d from 3.6V battery (Nickel- Cadmiu m battery ) which is installe d in the handse t. Power supply for transmitter is turned on by a press o[...]

  • Page 40

    16.3. Reset Circuit (Base Unit) After power supply from AC adapto r , the VREG is input for making reset signal. Refer to the below wavefo r m. Fig. 2 Fig. 3 40 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 41

    16.4. Charge Circuit Circuit Operation: When charging the handse t o n the base unit, the charge current is as follows ; DC (JK2) → L8 → D6 → L7 → CHG+(Base) → [CHG+ (Hands et) → L4 → Q9 → BATT(1 )....Batt ery....BATT(2) → L5 → CHG-(Hands et)] → CHG+( Base) → L5, In this way, the CPU on both unit detects the fact that the ba[...]

  • Page 42

    16.6. Transmitter/Receiver Base Unit and Handse t are mainly consist s of RF(Rad io Frequency) IC and CPU. Base Unit and Handse t transmit/receive voice signal and data signal through the antenna on carrier frequen cy. Signal Pass : *Refer to CDL TX/RX i n Signal Route (P.44). 16.6.1. Base to Handse t Circuit Operation: The voice signal input from [...]

  • Page 43

    16.6.2. Handse t to Base Circuit Operation: The voice signal from the handse t user is picked up by the microp hone (MC1), voice signal passes through "Comp ressor" proces s to reduce noise as shown in BLOCK DIAGR AM (HAND SET) (P.37). And the voice is FM-modula ted b y VARIC AP (DV1). The carrier frequency is genera ted b y TX VCO. The t[...]

  • Page 44

    16.7. Signal Route Each signal route is as follows . 44 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 45

    17 CIRCUIT OPERATION (HANDSET) 17.1. Reset Circuit (Handset) The power o f handse t is supplie d b y battery . Whene ver t he battery is recharg ed or inserte d, the impulse at CHG+ becomes Reset signal through Q11, and sent to CPU. Fig. 4 Fig. 5 45 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 46

    17.2. Battery Lo w / Power Down Detector Circuit Operation: “Battery Low” and “Power Down” are detecte d b y RF IC which check the voltage from battery . Shortly , every detecte d blocks are inside of RF IC. The detecte d voltage is as follows ; • • Battery Low Battery voltage : V(Batt) < 3.57V The CPU detects this level and “Recha[...]

  • Page 47

    18.1. IC2 1 8 CP U DATA (Base Unit) 47 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 48

    19.1. IC2 1 9 CP U DATA (Handset) 48 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 49

    20 HOW TO REPLACE FLAT PACKAGE IC 20.1. Preparation • • SOLDER Sparkle Solder 115A-1, 115B-1 or Almit Solder KR- 19, KR- 19RMA • • Solderin g iron Recommende d power consum ption will be betwee n 30 W to 40 W . Tempe rature of Copper Rod 662 ± 50°F (350 ± 10°C) (An expert may handle betwee n 60 W to 80 W iron, but beginn er might damag [...]

  • Page 50

    21 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT) 50 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 51

    22 CABINET AND ELECTRICAL PARTS LOCATION (HANDET) 51 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 52

    23 ACCESSORIES AND PACKING MATERIALS 52 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF[...]

  • Page 53

    24 REPLACEMEN T PARTS LIST Note: 1. RTL (Reten tion Time Limited ) The marking (RTL) indicate s that the Retenti on Time is limited for this item. After the discont inuation of this assemb l y in produc tion, the item will continu e t o be availab le for a specific period of time. The retentio n period of availab ility depend s on th e type o f ass[...]

  • Page 54

    Ref. No. Part No. Part Name & Description Remarks ZD11 SV110201203 DIODE(SI) ZNR1 VA107D271K1 DIODE(SI) (COILS) L1 PQLQZK2R2J COIL L4 PQLQZK120J COIL L5 PQLQZK120J COIL L6 PQLQZK120J COIL L7 PQLQZK120J COIL L10 PQLQZK120J COIL L12 SH4Y0750K46 COIL (CONNRCTORS) JK1 DC72P120018 JACK/SOCKET JK2 DC71P120023 JACK/SOCKET (CERAMIC FILTERS) CF1 BDFL107[...]

  • Page 55

    Ref. No. Part No. Part Name & Description Remarks R142 ERDS2TJ220 22 R143 ERJ3GEYJ514 510k R144 ERDS2TJ206 20M R145 ERJ3GEYJ102 1k R146 ERJ3GEYJ153 15k R148 ERJ3GEYJ103 10k R149 ERJ3GEYJ182 1.8k R150 ERJ3GEYJ514 510k R151 ERDST1TJ682 6.8k R152 ERDS2TJ206 20M R153 ERJ3GEYJ105 1M R154 ERJ3GEY0R00 0 R155 ERJ3GEYJ470 47 R156 ERJ3GEYJ470 47 R159 ERJ[...]

  • Page 56

    Ref. No. Part No. Part Name & Description Remarks C129 ECUV1C104ZFV 0.1 C130 ECEA1AKA101 100 C131 ECUV1C104KBV 0.1 C132 ECUV1C104KBV 0.1 C133 ECUV1H390JCV 39p 24.2. Handset 24.2.1. CABINE T A N D ELECTR ICAL PARTS Ref. No. Part No. Part Name & Description Remarks 101 PQJT10182Z CHARGE TERMINAL 102 PQGT15033Z NAME LABEL (for KX-TC1205RUB) 10[...]

  • Page 57

    Ref. No. Part No. Part Name & Description Remarks R34 ERJ3GEYJ224 220k R35 ERJ3GEYJ473 47k R36 ERJ3GEYJ202 2k R37 ERJ3GEYJ102 1k R38 ERJ3GEY0R00 0 R39 ERJ3GEYJ224 220k R40 ERJ3GEYJ330 33 R41 ERJ3GEYJ683 68k R42 ERJ3GEYJ223 22k R43 ERJ3GEYJ104 100k R44 ERJ3GEYJ393 39k R45 ERJ3GEYJ104 100k R46 ERJ3GEYJ434 430k R47 ERJ3GEYJ222 2.2k R48 ERJ3GEYJ223[...]

  • Page 58

    Ref. No. Part No. Part Name & Description Remarks R102 ECUV1H333KBV 0.033 S 24.3. ACCESSORIES A ND PACKING MATERIALS Ref. No. Part No. Part Name & Description Remarks A1 PQJA10075Z TEL CORD A2 PQLV16CEZ AC ADAPTOR A3 PQQX13178Z INSTRUCTION BOOK A4 PQQW12509Z LEAFLET P1 PQPP10090Z POLY BAG (for Base Unit) P2 PQPP10091Z POLY BAG (for Handset)[...]

  • Page 59

    25 FOR SCHEMATIC DIAGRAM 25.1. Base Unit (SCHEMATIC DIAGRAM (Base Unit)) 1. DC voltage measu rement s are taken with an oscillos cope or a tester with a ground . 2. The schematic diagram s and circuit board may be modifie d at any time with the develop ment of new techno logy. Important Safety Notice: Components identified by mark have special char[...]

  • Page 60

    26 SCHEMATIC DIAGRAM (Base Unit) 26.1. Base Unit RX TX +5V +5V 0V 0V +12V 0V +12V 0V 0V +12V +12V +5V 13V to 5V While charging 1Vp-p 8MHz KX-TC1205RUB/W/S/F SCHEMA TIC DIA GRAM (Base Unit) ADAPTOR 120V AC 12VDC 200mA CHG D TX D VCC HOOK OSCO OSCI CHG LD DTMF1 DTMF2 DTMF3 DTMF4 PAGE RXDATA CLOCK DATA POW F ZD7.5 TEST DTMF0 P MUTE RESET COUT1 AGC CIR[...]

  • Page 61

    26.2. RF Unit (Base Unit) RX TX 4.4V 450kHz 10.7MHz 2.1V 4.8V 0V 0V KX-TC1205RUB/W/S/F SCHEMA TIC DIA GRAM (RF Unit (Base Unit)) TP TP TP TP TP TP TP TP TP TP TP TP C104 39P C0603 R28 NA R0603 R29 0 R0603 R27 56 R0603 R19 120K R0603 R32 1M R0603 R20 4M7 R0603 C129 104 C0603 IC4 4 3 2 1 5 6 7 8 R190 10K R0603 C128 104 C0603 C133 39P C0603 R12 100 R0[...]

  • Page 62

    27 SCHEMATIC DIAGRAM (Handset) 27.1. Handset KX-TC1205RUB/W/S/F SCHEMA TIC DIA GRAM (Handset) TALK RECHG ROW0 ROW5 ROW3 ROW2 ROW1 ROW4 ROW5 ROW4 ROW3 ROW2 ROW1 ROW0 CHG+ CHG- VBAT TP TP TP TP TP TP TP R111 1K R0603 R104 NA R0603 L7 120 OHM COIL SMD R0805 X3 4.0 MHZ XTAL10 C63 100uF/10V EC42.5 MINI R64 10K R0603 C68 NA C0603 C67 NA C0603 R56 2K2 R[...]

  • Page 63

    27.2. RF Unit (Handset) RX TX KX-TC1205RUB/W/S/F SCHEMA TIC DIA GRAM (Handset (RF Unit)) IC1 VREF IST Mix IN VCC2 VCO CONT VCO1 VCO2 C-RECT RX CP TX CP PLL GND TX IN VCC3 LO1 LO2 S-OUT DATA STB FL-OUT FL-IN COMP OUT C-NF AF OUT REF IN AF-IN REF OUT EXP OUT REC IN RO1 RO2 BAT. ALM RSSI DATA O/P DATA I/P FIL-IN F OUT DET. OUT QUAD IF OUT GND2 DEC IF [...]

  • Page 64

    KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF 64[...]

  • Page 65

    28 CIRCUIT BOARD (Base Unit) 28.1. Component View IC5 KX-TC1205RUB/W/S/F CIRCUIT BO ARD (Component View (Base Unit)) KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF 65[...]

  • Page 66

    28.2. Flow Solder Side View RING DET (CPU: 24) T .P ( CH change at test mode) R98: for Changing the channel XOUT (CPU: 1) VDD (CPU: 28) RST (CPU: 27) RX D A T A (CPU: 10) RX D A T A (RF IC: 23) CHG DET (CPU: 18) TX D A T A (CPU: 17) CHG LD (CPU: 26) DET OUT (RF IC: 27) TX-VCO 2nd Mix (RF IC: 36) IF IN (RF IC: 32) RX-VCO +12V RING TIP GND TXPO WER T[...]

  • Page 67

    29 CIRCUIT BOARD (Hands et) 29.1. Component View (G) Noise Squelch (A) Battery Low VDD (CPU: 40) CHG DET (CPU: 37) TX D A T A (CPU: 36) TX D A T A (D V1) IC2 KX-TC1205RUB/W/S/F CIRCUIT BO ARD (Component View (Handset)) KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF 67[...]

  • Page 68

    29.2. Flow Solder Side View TXPO WER 2nd Mix (RF IC: 36) TXGND TX VCO RX VCO IF IN (RF IC: 32) V Bat (RF IC: 33) IC1 KX-TC1205RUB/W/S/F CIRCUIT BO ARD (Flow Solder Side View (Handset)) KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF 68[...]

  • Page 69

    69 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF I KXTC1 205RU B KXTC1 205RU W KXTC1 205RU S KXTC1 205RU F[...]