Related Manuals for Panasonic KX-TCA275CE
Summary of Contents for Panasonic KX-TCA275CE
- Page 1 ORDER NO. KMS0909722CE DECT Portable Station KX-TCA275CE Model No. (for Europe) © Panasonic Communications Co., Ltd. 2009. Unauthorized copying and distribution is a violation of law.
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Page 2: Table Of Contents
KX-TCA275CE TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions -----------------------------------------------4 8.6. No Voice Transmission--------------------------------- 36 1.1. For Service Technicians ---------------------------------4 8.7. No Voice Reception ------------------------------------- 37 2 Warning --------------------------------------------------------------4 8.7.1. Talk Mode --------------------------------------------- 37 2.1. About Lead Free Solder (PbF: Pb free) --------------4 8.7.2. - Page 3 KX-TCA275CE 16.3.4. Handset Board Parts----------------------------- --69 16.3.5. Charger unit Board Parts ----------------------- --71 16.3.6. Fixtures and Tools -------------------------------- --71...
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Page 4: Safety Precautions
KX-TCA275CE 1 Safety Precautions 1.1. For Service Technicians • Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires, injury or electric shock, which can be caused by improper repair work. -
Page 5: Information For Users On Collection And Disposal Of Old Equipment And Used Batteries
KX-TCA275CE 2.1.2. Information for Users on Collection and Disposal of Old Equipment and used Bat- teries 2.2. Battery Caution 1. Danger of explosion if battery is incorrectly replaced. 2. Replace only with the same or equivalent type recommended by the manufacturer. -
Page 6: Specifications
KX-TCA275CE 3 Specifications Handset Charger Unit Standard: DECT= (Digital Enhanced Cordless Telecommunications) GAP= (Generic Access Profile) Power Source: Rechargeable Ni-MH battery AC Adaptor Number of Channels: 120 Duplex Channels Frequency Range: 1.88GHz to 1.9GHz Duplex Procedure: TDMA (Time Division Multiple Access) -
Page 7: Technical Descriptions
Key backlit Color 3.0V LED(YG) ACS2 3.0V Batt Batt Backlit 5.0V Peripheral Batt Charge Current Charger Power Circuit Charge on/off Keys Management UART Batt JTAG Battery Xtal 3.6V 10.368MH 5.0V Regulator 3.0V RF 3.0V Regulator 1.8V KX-TCA275CE BLOCK DIAGRAM (HANDSET) -
Page 8: Circuit Operation (Handset)
KX-TCA275CE 4.2. Circuit Operation (Handset) 4.2.1. Outline Handset consists of the following ICs as shown in Block Diagram (Handset) (P.7). • BBIC (Base Band IC): IC3 - All data signals (forming/analyzing ACK or CMD signal) - All interfaces (ex: Key, Detector Circuit, Charge, LCD, LED, SRAM, Flash ROM) •... -
Page 9: Charge Circuit (Include Charger)
KX-TCA275CE 4.2.3. Charge Circuit (Include Charger) • Charge current is controlled as follows. IC3-97pin Charge ON Charge Off High • Charge mode is trickle charge. • Charge current repeats ON and OFF as follows. • Charge route DC+ (6.5V) → IP1 → D1 → R2, R3, R4 and R5 → CHG+ (Charger) → CHG+ (Handset) → L2 → Q2 → D13 → IP101 → Battery →GND →... -
Page 10: Tx Audio Path
KX-TCA275CE 4.2.5. TX Audio Path Microphone An audio signal from microphone is input to pin 118 (MIC+) of IC3 via headset jack (CN1). In IC3, the audio signal is converted from the analog signal to ADPCM, then to burst data, and sent from pin 28 (TXDA) to RF Module. - Page 11 KX-TCA275CE • LCD Circuit • The LCD is controlled by 5 control signal (READ, WRT, A0, LCD_CS, LCD_RST) and Data bus. • LCD back-light is controlled by IC3-79pin, and this PWM signal controls back-light brightness.
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Page 12: Rx Audio Path
KX-TCA275CE 4.2.6. RX Audio Path Receiver Burst data is input from RF Module to pin 26 (RXDA) of IC3. In IC3, the burst data is converted to ADPCM, then to analog signal, and sent from pin 110 (LSR+) and pin 111 (LSR-) to the receiver. -
Page 13: Ringer Circuit
KX-TCA275CE • LED Circuit BBIC (IC3) controls each LEDs. Type of LED LED ON LED OFF Call/Charge Indicator LED (Green), D1 IC3-81pin = High IC3-81pin = Low Q6 = ON Q6 = OFF Call/Charge Indicator LED (Red), D1 IC3-80pin = High... -
Page 14: Vibrator Circuit
KX-TCA275CE 4.2.9. Vibrator Circuit BBIC (IC3) controls Vibrator. Pin 83 (VIB) of IC3 goes high and Vibrator turns ON. -
Page 15: Location Of Controls And Components
KX-TCA275CE 5 Location of Controls and Components 5.1. Handset... - Page 16 KX-TCA275CE...
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Page 17: Installation Instructions
Do not connect the AC adaptor to a ceiling-mounted AC outlet, as the weight of the adaptor may cause it to become disconnected. • Fasten the AC adaptor cord to the cord holder. • Use only the included Panasonic AC adaptor (PQLV219CE). 6.2. Battery 6.2.1. -
Page 18: Battery Information
3. Open the cover and replace the batteries. • Insert a finger into the side gap to remove the batteries easily (B). 4. Close the cover and charge the handset. • Please use a Panasonic battery with the service part number HHR-4EPT only. -
Page 19: Operating Instructions
KX-TCA275CE 7 Operating Instructions 7.1. Soft Keys... - Page 20 KX-TCA275CE...
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Page 21: Handset Setting Menu Layout
KX-TCA275CE 7.2. Handset Setting Menu Layout... -
Page 22: Key Lock
KX-TCA275CE 7.3. Key Lock You can lock all keys other than the Navigator Key while the handset is in standby mode. • If you select "Manual&Password" or "Auto & Password" for Key lock type, you need to enter the password for unlocking. -
Page 23: Display
KX-TCA275CE 7.5. DISPLAY... -
Page 24: Function Menus
KX-TCA275CE 7.6. Function Menus Press the Navigator Key to display the main and sub menus. 7.6.1. Main Menu-While in Standby Mode 7.6.2. Sub Menu-While Off-hook/During a Conversation... -
Page 25: Function Keys
KX-TCA275CE 7.7. Function Keys... -
Page 26: Flexible Keys
KX-TCA275CE 7.8. Flexible Keys... -
Page 27: Caller Id
KX-TCA275CE 7.9. Caller ID... -
Page 28: Character Mode Table
KX-TCA275CE 7.10. Character Mode Table... -
Page 29: Troubleshooting Guide
KX-TCA275CE 8 Troubleshooting Guide Note: When you find the suspected parts, check the soldering and resolder or replace the parts if it is necessary. -
Page 30: Power Trouble (Handset)
KX-TCA275CE 8.1. Power Trouble (Handset) 8.1.1. Power Does Not Go On The symptom is No Lite (LED OFF), No Display, No Sound. - Page 31 KX-TCA275CE • Charger Unit • NO Display On the LCD...
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Page 32: Battery Charge Trouble (Handset)
KX-TCA275CE • 5V Circuit 8.2. Battery Charge Trouble (Handset) 8.2.1. Charge On... -
Page 33: Charge Off
KX-TCA275CE 8.2.2. Charge Off... -
Page 34: Led Trouble (Handset)
KX-TCA275CE 8.3. LED Trouble (Handset) 8.3.1. Key Back-Light 8.3.2. Charging And Ringing LED... -
Page 35: Vibrator Trouble (Handset)
KX-TCA275CE 8.4. Vibrator Trouble (Handset) 8.5. Ringer Trouble (Handset) Check ringer volume setting and meeting mode setting at first. Key Click Sound Troubleshooting is same method. Check Keyfone setting of handset at first. -
Page 36: No Voice Transmission
KX-TCA275CE 8.6. No Voice Transmission... -
Page 37: No Voice Reception
KX-TCA275CE 8.7. No Voice Reception 8.7.1. Talk Mode... -
Page 38: Speakerphone Mode
KX-TCA275CE 8.7.2. Speakerphone Mode 8.8. Password Trouble 8.8.1. User Password is forgotten. Test command "PWC" set user password to "1234". 8.8.2. System Lock Password is forgotten. Test command "SLC" unlock the system lock. -
Page 39: Service Fixture & Tools
KX-TCA275CE 9 Service Fixture & Tools... -
Page 40: Disassembly And Assembly Instructions
KX-TCA275CE 10 Disassembly and Assembly Instructions 10.1. Handset Shown in Fig.- To Remove Remove Screws (2 × 8)..(A) × 4 Rear Cabinet Follow the procedure. Main P.C. Board Main P.C. Board 10.2. Charger Unit Shown in Fig.- To Remove Remove Screws (2.6 ×... -
Page 41: Measurements And Adjustments
KX-TCA275CE 11 Measurements and Adjustments 11.1. Check Procedure (Handset) 11.1.1. Preparation 11.1.1.1. Equipment Required • DECT tester: Rhode & Scorers, CMD 60 is recommended. • Frequency counter: it must be precise to be able to measure 1Hz (precision; ±4ppm). Hewlett Packard, 53131A is recommended. -
Page 42: Download Manual
KX-TCA275CE 11.1.3. Download Manual 11.1.3.1. Step [1] Before Downloading (Configuration Setting) [1]-(1) Execute "Flash Program.exe" 11.1.3.2. [1]-(2) Press Config [1]-(3) Press OK Selected item will be stored. Connect the download PC cable with selected come port (COM1-COM9). - Page 43 KX-TCA275CE 11.1.3.3. Step [3] Select Download file [3]-(1) Download Program Main Menu Push "Reference" to select the download file. (Download Filename tca275vXXX.hex) XXX=Version Select [program All] for [erase type].
- Page 44 KX-TCA275CE 11.1.3.4. Step [4] Download Start [4]-(1) Click "download" key [4]-(2) Turn the power of target (TCA275) to [OFF] (Keep pressing "POWER" key for while 2 seconds) [4]-(3) Keep pressing "POWER" key until step [4]-(6) This operation will not turn the power of target to on.
- Page 45 KX-TCA275CE [4]-(5) Communication check "OK" If communication check become "OK", Display will show "CRC OK". If communication NG, click "cancel" key, then back to step [4]-(1) and try download again. Erase the flash ROM. You can release the "POWER" key in this step.
- Page 46 KX-TCA275CE [4]-(6) Downloading Start After several seconds, Display shows "Flash Program Start".
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Page 47: Adjustments (Handset And Charger Unit)
KX-TCA275CE [4]-(7) Downloading Complete If downloading finished, display shows "Download finished successfully!". Click "OK" then disconnect the serial PC cable. 11.2. Adjustments (Handset and Charger Unit) 11.2.1. Adjustment (Handset) When you change IC3, you must adjust (A)(F)(H)(I)(K) Items Adjustment Procedure*... - Page 48 KX-TCA275CE Items Adjustment Procedure* Check or Point Replace Parts (G) Battery low Confirmation 1. Apply 3.55V between BATT(+) and BATT(-). IC3, 2. Confirm that there is no flashing of Battery Icon. R35, R38 3. Apply 3.4V between BATT(+) and BATT(-).
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Page 49: Adjustment Standard (Handset)
CK16 FREQUENCY PSUP1708Z -A COUNTER CK8 CK6 CK4 C74 R73 R8 CN6_2 DIGITAL VOLTAGE METER CK10 DC POWER C73 C24 C23 C21 R43 R27 SUPPLY DC POWER SUPPLY for charge 47uF AF OSC 47uF KX-TCA275CE CIRCUIT BOARD (HANDSET) Component View... - Page 50 KX-TCA275CE AF VOLT METER OSCILLO SCOPE RA4 RA3 RA2 RA1 SW11 SW40 SW10 SW00 SW30 SW20 SW01 SW50 SW31 SW41 SW21 SW52 SW42 SW51 SW02 SW32 SW53 SW12 SW22 SW03 SW13 SW23 SW33 SW43 KX-TCA275CE CIRCUIT BOARD (HANDSET) Bottom View...
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Page 51: Adjustment (Charger Unit)
When connecting the Simulator Equipments for checking, please refer to below. 11.2.4.1. Flow Solder Side View DC POWER 6.5V 30Ω Digital Volt Meter 2 Watts PSUP1712Z KX-TCA275CE CIRCUIT BOARD (CHARGER UNIT) Component View 11.3. RF Specification (Handset) Item Value Refer to -. ** Remarks Modulation... -
Page 52: How To Check The Handset Speaker
KX-TCA275CE 11.4. How to Check the Handset Speaker 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. 2. Put the probes at the speaker terminals as shown below. How to Check the Handset Receiver 11.5. 1. Prepare the digital voltmeter, and set the selector knob to ohm meter. -
Page 53: Frequency Table (Mhz)
KX-TCA275CE 11.6. Frequency Table (MHz) Channel No Transmit / Receive Frequency 1897.344 1895.616 1893.888 1892.160 1890.432 1888.704 1886.976 1885.248 1883.520 1881.792... -
Page 54: Miscellaneous
KX-TCA275CE 12 Miscellaneous 12.1. How To Replace a Flat Package IC Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount), a sol- dering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins. -
Page 55: Terminal Guide Of The Ics Transistors And Diodes
KX-TCA275CE 12.2. Terminal Guide of the ICs Transistors and Diodes 12.2.1. Handset 12.2.2. Charger Unit... -
Page 56: Schematic Diagram
SW33 SW43 SW53 RLED READ KEY MATRIX GLED LCD_CS LCD_RST COL5 COL4 COL3 COL2 COL1 COL0 D3.0V Z0.1 5V_CTRL SOFT_B (29) ROW3 SOFT_C PUSH 5.0V Xfer/CLR ROW2 TALK SOFT_A ROW1 KEY_BL (30) ROW0 LCD CONNECTOR KX-TCA275CE HANDSET SCHEMATIC DIAGRAM (1/2) - Page 57 BIAS-IN (27) 6.3V KB 22u BIAS-OUT OUT1 2200p Receiver CK16 (28) 6.3V KB 22u D3.0V 5.0V D3.0V CK10 10V 1u 1000p BATT D3.0V RF_GND Z0.1 10V 1u EN:Low Output OFF (29) High Output ON (30) KX-TCA275CE HANDSET SCHEMATIC DIAGRAM (2/2)
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Page 58: Handset (Rf Unit)
KX-TCA275CE 13.2. Handset (RF Unit) C681 0.01 C690 R623 PSET R632 VCCS PAON PRAMP PSEL IC602 C680 NC... -
Page 59: Charger Unit
KX-TCA275CE 13.3. Charger Unit C K 6 C K 1 C K 3 CHRG+ C K 4 CHRG- C K 7 C K 2 1500p C K 5 KX-TCA275CE CHARGER UNIT SCHEMATIC DIAGRAM... -
Page 60: Printed Circuit Board
C676 C682 R18 R19 C672 CK11 R634 R633 C671 R41 C35 SYRI R BI CK15 CK16 PSUP1708Z -A CK8 CK6 CK4 C74 R73 R8 CN6_2 CK10 C73 C24 C23 C21 R43 R27 CK17 CK18 KX-TCA275CE CIRCUIT BOARD (HANDSET) Component View... -
Page 61: Flow Solder Side View
KX-TCA275CE 14.1.2. Flow Solder Side View RA4 RA3 RA2 RA1 SW11 SW40 SW10 SW00 SW30 SW20 SW01 SW50 SW31 SW41 SW21 SW52 SW42 SW51 SW02 SW32 SW53 SW12 SW22 SW03 SW13 SW23 SW33 SW43 KX-TCA275CE CIRCUIT BOARD (HANDSET) Bottom View... -
Page 62: Charger Unit
KX-TCA275CE 14.2. Charger Unit 14.2.1. Component View PSUP1712Z KX-TCA275CE CIRCUIT BOARD (CHARGER UNIT) Component View 14.2.2. Flow Solder Side View PSUP1712Z CHRG CHRG KX-TCA275CE CIRCUIT BOARD (CHARGER UNIT) Bottom View 15 Appendix Information of Schematic Diagram Note: 1. DC voltage measurements are taken with an oscilloscope or a tester with a ground. -
Page 63: Exploded View And Replacement Parts List
KX-TCA275CE 16 Exploded View and Replacement Parts List 16.1. CPU Data (Handset) 16.1.1. IC3 (BBIC) Pin No Description Connection at Normal mode at Reset mode VDDIO VDDIO O_0/1 O-0/1 O_0/1 O-0/1 AD10 AD10 O_0/1 O-0/1 AD11 AD11 O_0/1 O-0/1 AD12... - Page 64 KX-TCA275CE Pin No Description Connection at Normal mode at Reset mode SCL2/P3[0] COL5 I_0/1 SDA2 DAB0 D_I/O I/O_0/1 DAB8 D_I/O I/O_0/1 DAB1 D_I/O I/O_0/1 DAB9 D_I/O I/O_0/1 DAB2 D_I/O I/O_0/1 DAB10 D_I/O SB10 I/O_0/1 DAB3 D_I/O I/O_0/1 DAB11 D_I/O DB11...
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Page 65: Cabinet And Electrical Parts Location
KX-TCA275CE 16.2. Cabinet and electrical Parts Location 16.2.1. Handset... -
Page 66: Charger Unit
KX-TCA275CE 16.2.2. Charger Unit... -
Page 67: Accessories And Packing Materials
KX-TCA275CE Accessories and Packing Materials 16.2.3. -
Page 68: Replacement Parts List
KX-TCA275CE 16.3. Replacement Parts List Safety Ref. Part No. Part Name & Description Remarks Note: PSHG1294Z SPEAKER, RUBBER SPACER 1. RTL (Retention Time Limited) PSHR1357Z SPACER,ANTENNA ABS-HB PSHS1081Z TAPE,BOTH SIDE The "RTL" marking indicates that its Retention Time is PSHS1086Z TAPE,BOTH SIDE (LCD Limited. - Page 69 KX-TCA275CE 16.3.4. Handset Board Parts Safety Ref. Part No. Part Name & Description Remarks L608 PQLQR4C2N7S COIL L610 G1C3N3ZA0061 COIL Safety Ref. Part No. Part Name & Description Remarks L611 G1C3N3ZA0061 COIL L614 PQLQR4C5N6S COIL PCB100 PSLP1610Z MAIN P.C.BOARD ASS'Y...
- Page 70 KX-TCA275CE Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks F1J0J2260002 22 C666 ERJ2GE0R00 F1G1C104A085 0.1 C671 F1G1H100A420 10p F1G1H100A420 10p C672 F1G1H100A420 10p F1J0J2260002 22 C673 ERJ2GE0R00 ECJ1VB1C104K 0.1 C675...
- Page 71 KX-TCA275CE 16.3.6. Fixtures and Tools Safety Ref. Part No. Part Name & Description Remarks ERJ2GEJ1R0X ERJ2GEJ1R0X Safety Ref. Part No. Part Name & Description Remarks ERJ2GEJ473 ERJ2GEJ823 PSZZ2CA155EU PC CABLE ERJ2GE0R00 ERJ2GEJ330 ERJ2GEJ330 ERJ2GE0R00 ERJ2GEJ102 ERJ2GEJ103 ERJ2GEJ103 ERJ2GEYJ121 ERJ2GEYJ121 ERJ2GEYJ121...