Instruction/ maintenance manual of the product KX-TC1205RUW Panasonic
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© 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.
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.
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.
1 BATTERY 1.1. Recharge 1.2. Battery information 4 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
2 BATTERY REPLACEME NT 5 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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.
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.
8 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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 .
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.
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.
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.
5.7. FLASH Button 13 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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.
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.
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.
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.
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.
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.
**: 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.
**: 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.
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.
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.
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.
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 SI.
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.
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.
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.
(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.
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.
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.
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.
13.2. Ringing 33 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
13.3. Changing the Channel 34 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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.
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.
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 .
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.
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.
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.
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 ).
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.
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).
16.7. Signal Route Each signal route is as follows . 44 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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.
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.
18.1. IC2 1 8 CP U DATA (Base Unit) 47 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
19.1. IC2 1 9 CP U DATA (Handset) 48 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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 .
21 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT) 50 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
22 CABINET AND ELECTRICAL PARTS LOCATION (HANDET) 51 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
23 ACCESSORIES AND PACKING MATERIALS 52 KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF.
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.
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 PQLQZ.
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.
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.
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.
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.
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.
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.
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 R.
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.
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.
KX- TC120 5RUB / KX-TC 1205R UW / KX-TC1205R US / KX- TC120 5RUF 64.
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.
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 DE.
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 (Compone.
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 / .
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.
An important point after buying a device Panasonic KX-TC1205RUW (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Panasonic KX-TC1205RUW yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Panasonic KX-TC1205RUW - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Panasonic KX-TC1205RUW you will learn all the available features of the product, as well as information on its operation. The information that you get Panasonic KX-TC1205RUW will certainly help you make a decision on the purchase.
If you already are a holder of Panasonic KX-TC1205RUW, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Panasonic KX-TC1205RUW.
However, one of the most important roles played by the user manual is to help in solving problems with Panasonic KX-TC1205RUW. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Panasonic KX-TC1205RUW along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
