Panasonic KX-TDA0103XJ Service Manual
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Panasonic KX-TDA0103XJ Service Manual

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Please file and use this supplement manual together with the service manual for Model No. KX-
TDA0103XJ/KX-TDA0104XJ/KX-TDA0108XJ/KX-TDA0103X/KX-TDA0104X/KX-TDA0108X
KMS0303680C8.
CONTENTS
2.1. SUGGESTED PbF SOLDER
4.4. CAUTION
KX-TDA0103XJ
KX-TDA0104XJ
KX-TDA0108XJ
KX-TDA0103X
KX-TDA0104X
KX-TDA0108X
(for Asia, Oceania, Middle Near East, Africa, Latin
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ORDER NO. KMS0612695SE

Power Supply Unit

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  • Page 1: Power Supply Unit

    4.1. NOTE 9.1. KX-TDA0108XJ/X POWER UNIT TROUBLESHOOTING 61 4.2. SAFETY PRECAUTIONS 9.2. KX-TDA0104XJ/X POWER UNIT TROUBLESHOOTING 74 4.3. INSULATION RESISTANCE TEST 9.3. KX-TDA0103XJ/X POWER UNIT TROUBLESHOOTING 90 4.4. CAUTION 10 HOW TO REPLACE A FLAT PACKAGE IC 5 SPECIFICATIONS 10.1. PREPARATION 5.1.

  • Page 2: Table Of Contents

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11.3. PSU-L (KX-TDA0103XJ/X) 16.1. MAIN BOARD 11.4. SCREWS AND WASHER 16.2. SUB BOARD 3 11.5. EXTENSION CORD FOR SERVICING 16.3. SUB BOARD 2 12 ACCESSORIES AND PACKING MATERIALS 16.4. SUB BOARD 1 12.1.

  • Page 3: Subject

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 1 SUBJECT The power supply unit is to be changed to RoHS-compliant. Complete contents of the service manual will be revised in accordance with the change. 1.1. The Classification of Product The product should be classified by the "Model No."...

  • Page 4: About Lead Free Solder (Pbf: Pb Free)

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 2 ABOUT LEAD FREE SOLDER (PbF: Pb free) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead.

  • Page 5: For Service Technicians

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover the plastic parts boxes with aluminum foil.

  • Page 6: Specifications

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 5 SPECIFICATIONS 5.1. GENERAL DESCRIPTION KX-TDA0108XJ/X (PSLP1453) Input voltage AC100-130V/AC200-240V current 1.4A/0.8A frequency 50/60Hz Output +15V +15VPT +30V +41V voltage current (rated) 1.86A 1.92A 0.37A 1.13A total output power...

  • Page 7: System Capacity

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 5.2. SYSTEM CAPACITY 5.2.1. Power Supply Unit Selection Hybrid IP-PBX needs an optional power supply unit (PSU) suitable for its configuration. Calculate the amount of "load figures" from the type and number of equipment to be connected, and determine the type of PSU that will be required.

  • Page 8: Installation

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 6 INSTALLATION 6.1. INSTALLING/REPLACING THE POWER SUPPLY UNIT 6.1.1. Function PSU Type Lower/Upper Input Voltage Range Current Input Frequency PSU-S Lower: 100 V AC to 130 V AC 1.4 A...
  • Page 9 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 6.1.2. Installing the Power Supply Unit 1. Insert the PSU along the guide rails. Caution: For safety reasons, do not touch parts in the PSU. 2. Push the release lever in the direction of the arrow, so that the PSU is made to engage with the connector on the back board securely.
  • Page 10 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 6.1.3. Replacing the Power Supply Unit 1. Unplug the AC power cord and Back-up Battery Cable. 2. Turn the 4 screws anticlockwise to loosen them. 3. Pull the release lever in the direction of the arrow to disconnect the PSU from the back board.

  • Page 11: Disassembly Instructions

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 7 DISASSEMBLY INSTRUCTIONS 7.1. PSU-S (KX-TDA0108XJ/X) 1. Remove the eight screws (A). 2. Remove the screw (B). 3. Remove the chassis cover. 1. Remove the eight screws (F). 2. Remove the two screws (B).

  • Page 12: Psu-M (Kx-Tda0104Xj/X)

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 7.2. PSU-M (KX-TDA0104XJ/X) 1. Remove the seven screws (A) ( 3 × 6 mm). 2. Remove the screw (G) ( 3 × 4 mm). Caution: When putting the screw again, use the screw (G).

  • Page 13: Psu-L (Kx-Tda0103Xj/X)

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 7.3. PSU-L (KX-TDA0103XJ/X) 1. Remove the two screws (A). 2. Remove the cover. 3. Pull out the connector. 1. Remove the eight screws (A). 2. Remove the three screws (B).
  • Page 14 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 1. Remove the eight screws (F). 2. Remove the main board.

  • Page 15: Power Supply Unit Circuit Operation

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8 POWER SUPPLY UNIT CIRCUIT OPERATION The power unit supplies power to the various cards of the KX-TDA100, KX-TDA200 and KX-TDA600. The functions of the power unit are listed below.

  • Page 16: Psu-S (Kx-Tda0108Xj/X)

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1. PSU-S (KX-TDA0108XJ/X) This power supply unit consists of two boards. 8.1.1. Block Diagram and Circuit Description of PSU-S [Block Diagram of PSU-S]...
  • Page 17 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.1. AC Input ~ PFC Output This section explains about the operations of AC filter circuit, Rectifier circuit and PFC circuit. 1) Filter Circuit, Rectifier Circuit 1 The filter part eliminates the noise from power supply unit not to leak it out, and also the circuit prevents an incoming noise.
  • Page 18 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) PFC Controller Circuit When the voltage is added to the Vcc terminal (Pin 8 of IC1) of PFC controller circuit, oscillation signal output (Pin 7 of IC1) is led to the PFC switching circuit, and switches the rectified DC voltage.
  • Page 19 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.2. Main Converter This section mainly explains about the operation of main converter circuit which converts PFC output voltage to 41V (TYP.) output. 1) Switching Circuit This circuit uses Self-excited Pseudo Resonance Type Converter. This system supplies DC voltage through the following process: The DC voltage provided from the Rectifier and Smoothing Circuit is converted into RF pulse by switching ON/OFF MOS FET Q11 repeatedly.
  • Page 20 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) Latch Circuit When secondary side protection circuit (Refer to Protection Circuit (P.29)) worked in abnormal state, the signal is sent to OVP terminal (Pin8 of IC2) of primary side through PC4. Therefore, switching operation of Q11 is stopped and the main converter operation is stopped.
  • Page 21 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.3. Output voltage This section explains mainly about the operation of circuit which converts the main converter output to 15V, 15VPT, 30V and 41V, and also explains about the over current protector of each output.
  • Page 22 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC301 (on Sub board) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap...
  • Page 23 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 2) 15VPT Output 2-1) 15V PT Output During normal operation FET Q401 is ON and connected to 15V output. Then regulated 15V is output. At that time the comparator IC401 output is high, and the transistor Q402 is OFF.
  • Page 24 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) 30V Output Voltage 3-1) 30V Output Converter Switching Circuit The main converter output voltage is stepped down by switching choke coil L202, FET Q202 and diode D210, and then smoothed by electrolytic capacitor C205.
  • Page 25 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC301 (on Sub board) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap.
  • Page 26 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) 41V Output Voltage 4-1) 41V Output During normal operation FET Q156 is ON. 41V output is connected to the main converter output, and the regulated output by the main converter is output.
  • Page 27 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.4. Battery Voltage Input/Output This section explains about the operation of Battery Voltage Input/Output. 1) While Outputting the Battery Voltage (While charging) During normal operation FETs Q153 and Q155 of battery Input/Output DC switching circuit are ON and connected to the main converter to output the regulated main converter output voltage.
  • Page 28 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.5. Alarm Signal Sending Circuit This section explains about the operation of the circuit that sends AC alarm/DC alarm. 1) Dropper Circuit The main converter output voltage is dropped to 27V by the constant voltage circuit consisting of Q521 and zener diode D521 to feed the power supply.
  • Page 29 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.1.1.6. Protection Circuit This section explains about the Over Voltage Protection Circuit and Over Heat Protection Circuit and Battery Reverse Connection Protection Circuit. 1) Abnormal Condition Detection Circuit Abnormal condition detection circuit consists of thyristors Q524 and Q525 (on Sub board). When power supply operation becomes abnormal, the abnormal detection signal is sent and Q524 and Q525 are turned ON.
  • Page 30 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2. PSU-M (KX-TDA0104XJ/X) This power supply unit consists of four boards. 8.2.1. Block Diagram and Circuit Description of PSU-M [Block Diagram of PSU-M]...
  • Page 31 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.1. AC Input ~ PFC Output This section explains about the operations of AC filter circuit, Rectifier circuit and PFC circuit. 1) Filter Circuit, Rectifier Circuit 1 The filter part eliminates the noise from power supply unit not to leak it out, and also the circuit prevents an incoming noise.
  • Page 32 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) PFC Controller Circuit When the voltage is added to the Vcc terminal (Pin10 of IC051) of PFC controller circuit, oscillation signal output (Pin 8 of IC051) is led to the PFC switching circuit, and switches the rectified DC voltage.
  • Page 33 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.2. Main Converter This section mainly explains about the operation of main converter circuit which converts PFC output voltage to 41V (TYP.) output. 1) Switching Circuit This circuit uses Self-excited Pseudo Resonance Type Converter. This system supplies DC voltage through the following process: The DC voltage provided from the Rectifier and Smoothing Circuit is converted into RF pulse by switching ON/OFF MOS FET Q601 repeatedly.
  • Page 34 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) Discharge Circuit In case that the unit is turned ON after the latch circuit worked at abnormal condition, it is impossible to boot the unit unless the electric charge in the power supply is discharged. To save the waiting time for reboot, the unit has a discharge circuit consisting of Q610 and Q611.
  • Page 35 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.3. Output voltage This section explains mainly about the operation of circuit which converts the main converter output to 15V, 15VPT, 30V and 41V, and also explains about the over current protector of each output.
  • Page 36 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC301 (on Sub board 2) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap...
  • Page 37 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 2) 15VPT Output During normal operation FET Q401 is ON and connected to 15V output. Then regulated 15V is output. At that time the comparator IC401 output is high, and the transistor Q402 is OFF. When the 15VPT goes into the over current condition, the voltage difference occurs at detection resistors R401, R402 and R403.
  • Page 38 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) 30V Output Voltage 3-1) 30V Output Converter Switching Circuit The main converter output voltage is stepped down by switching choke coil L202, FET Q202 and diode D210, and then smoothed by electrolytic capacitor C205.
  • Page 39 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC201 (on Sub board 2) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap.
  • Page 40 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) 41V Output Voltage 4-1) 41V Output During normal operation FET Q156 is ON. 41V output is connected to the main converter output, and the regulated output by the main converter is output. Transformer T301 sub-winding voltage of 15V output converter is led to the voltage gate of Q156, and Q156 is turned ON.
  • Page 41 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.4. Battery Voltage Input/Output This section explains about the operation of Battery Voltage Input/Output. 1) While Outputting the Battery Voltage (While charging) During normal operation FETs Q153 and Q155 of battery Input/Output DC switching circuit are ON and connected to the main converter to output the regulated main converter output voltage.
  • Page 42 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.5. Alarm Signal Sending Circuit This section explains about the operation of the circuit that sends AC alarm/DC alarm. 1) Dropper Circuit The main converter output voltage is dropped to 27V by the constant voltage circuit consisting of Q521 and zener diode D521 to feed the power supply.
  • Page 43 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.2.1.6. Protection Circuit This section explains about the Over Voltage Protection Circuit and Over Heat Protection Circuit and Battery Reverse Connection Protection Circuit. 1) Abnormal Condition Detection Circuit Abnormal condition detection circuit consists of thyristors Q524 and Q525 (on Sub board 2). When power supply operation becomes abnormal, the abnormal detection signal is sent and Q524 and Q525 are turned ON.
  • Page 44 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) Over Voltage Protection Circuit When any of 15V, 15VPT, 30V and main converter 41V output becomes abnormal, the voltage is sent to the abnormal detection circuit through zener diode D529 (on Sub board 2).
  • Page 45 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3. PSU-L (KX-TDA0103XJ/X) This power supply unit consists of four boards. 8.3.1. Block Diagram and Circuit Description of PSU-L...
  • Page 46 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.1. AC Input ~ PFC Output This section explains about the operations of AC filter circuit, Rectifier circuit and PFC circuit. 1) Filter Circuit, Rectifier Circuit 1 The filter part eliminates the noise from power supply unit not to leak it out, and also the circuit prevents an incoming noise.
  • Page 47 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) PFC Controller Circuit When the voltage is added to the Vcc terminal (Pin 10 of IC051) of PFC controller circuit, oscillation signal output (Pin 8 of IC051) is led to the PFC switching circuit, and switches the rectified DC voltage.
  • Page 48 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.2. Main Converter This section mainly explains about the operation of main converter circuit which converts PFC output voltage to 41V (TYP.) output and also about the latch circuit and discharge circuit.
  • Page 49 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X electric charge in the power supply is discharged. To save the waiting time for reboot, the unit has a discharge circuit consisting of Q610 and Q611. Refer to Fig. 2 (F)
  • Page 50 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.3. Output voltage This section explains mainly about the operation of circuit which converts the main converter output to 15V, 15VPT, 30V and 41V, and also explains about the over current protector of each output.
  • Page 51 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC301(on Sub board2) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap...
  • Page 52 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 2) 15V PT Output 2-1) 15V PT Output Converter Switching Circuit The main converter output voltage is stepped down by switching choke coil L402, FET Q401 and diodes D412 and D414, and then smoothed by electrolytic capacitors C417, C418 and C419.
  • Page 53 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC401(on Sub board2) Pin1 Corrector Pin2 Vout Pin3 Emitter Pin4 VF Pin7 ON/OFF Pin8 OVP Pin9 DET Pin10 F/B Pin11 T-ON Pin12 CF Pin13 T-OFF Pin14 CT Pin17 GND...
  • Page 54 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 3) 30V Output Voltage (Sub board4) 3-1) 30V Output Converter Switching Circuit The main converter output voltage is stepped down by switching choke coil L202, FET Q202 and diode D210, and then smoothed by electrolytic capacitor C205.
  • Page 55 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X IC201(on Sub board4) Pin1 Compensating: Voltage error amplifier output Pin2 Voltage Feedback: Inverting input of the error amplifier Pin3 Current sence: Voltage proportional inductor current Pin4 Rt/Ct: Timing Resistor and Cap.
  • Page 56 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) 41V Output Voltage 4-1) 41V Output During normal operation FET Q401 is ON. 41V output is connected to the main converter output, and the regulated output by the main converter is output.Transformer T301 sub-winding voltage of 15V output converter is led to the voltage gate of Q156, and Q156 is turned ON.
  • Page 57 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.4. Battery Voltage Input/Output This section explains about the operation of Battery Voltage Input/Output. 1) While Outputting the Battery Voltage (While charging) During normal operation FETs Q153 and Q155 of battery Input/Output DC switching circuit are ON and connected to the main converter to output the regulated main converter output voltage.When the battery switch SW501 is turned ON and CN102 is...
  • Page 58 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.5. Alarm Signal Sending Circuit This section explains about the operation of the circuit that sends AC alarm/DC alarm. 1) Dropper Circuit The main converter output voltage is dropped to 27V by the constant voltage circuit consisting of Q521 and zener diode D521 to feed the power supply.
  • Page 59 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 8.3.1.6. Protection Circuit This section explains about the Over Voltage Protection Circuit, Over Heat Protection Circuit and Battery Reverse Connection Protection Circuit. 1) Abnormal Condition Detection Circuit Abnormal condition detection circuit consists of thyristors Q524 and Q525 (on Sub board2).When power supply operation becomes abnormal, the abnormal detection signal is sent and Q524 and Q525 are turned ON.
  • Page 60 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 4) Over Voltage Protection Circuit When any of 15V, 15VPT, 30V and main converter 41V output becomes abnormal, the voltage is sent to the abnormal detection circuit through zener diode D529 (on Sub board2).

  • Page 61: Troubleshooting Guide

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9 TROUBLESHOOTING GUIDE 9.1. KX-TDA0108XJ/X POWER UNIT TROUBLESHOOTING 9.1.1. No Voltage is Output at All (1) (Output voltage of Main Converter is Abnormal)
  • Page 62 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.2. No Voltage is Output at All (2) (Output voltage of Main Converter is Normal) 9.1.3. +15VPT, +30V, +41V are Not Output (Only +15V is output) 9.1.4. +15VPT, +30V are Not Output (+15V, +41V are available)
  • Page 63 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.5. Only +15VPT is Not Output (Other Voltage are available) 9.1.6. Only +30V is Not Output (Other Voltage are available) 9.1.7. Only +41V is Not Output (Other Voltage are available)
  • Page 64 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.8. Battery Backup Function Does Not Operate / PSU can Not Charge Batteries 9.1.9. AC Alarm is Sent (Although AC Power is Normal) 9.1.10. DC Alarm is Sent (Although All DC Output are Normal)
  • Page 65 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.11. Table 1 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open BEA4 Open Short C101 Short C104 Short C105 Short Short Short...
  • Page 66 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open D325 Short D311 D419 Short D510 Short D529 Short D651 Open D651 Short D654...
  • Page 67 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Q301 Short Q301 Short Q302 Open Q302 Open Q302 Open Q302 Short Q302 Short...
  • Page 68 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Open Open Short Open Short Open Open Short Open Open Open Open Short Short...
  • Page 69 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Open Short Open Open Open Open Open Short Short Short Open Open Short Open...
  • Page 70 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.15. Table 5 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C305 Open C405 Short C411 Open C411 Short CN101 Open 15VPT...
  • Page 71 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Q201 Short Q201 Short Q202 Open Q202 Open Q202 Open Q202 Short Q203 Short...
  • Page 72 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.17. Table 7 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C164 Short C165 Short C314 Short C660 Short CN101 Open CN101...
  • Page 73 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.1.18. Table 8 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open BEA155 Open C501 Short CN102 Open CN102 Open CN102 Open CN102...

  • Page 74: Kx-Tda0104Xj/X Power Unit Troubleshooting

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2. KX-TDA0104XJ/X POWER UNIT TROUBLESHOOTING 9.2.1. No Voltage is Output at All (1) (Output voltage of Main Converter is Abnormal)
  • Page 75 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.2. No Voltage is Output at All (2) (Output voltage of Main Converter is Normal) 9.2.3. +15VPT, +30V, +41V are Not Output (Only +15V is output)
  • Page 76 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.4. +15VPT, +30V are Not Output (15V, +41V are available) 9.2.5. Only +15VPT is Not Output (Other Voltage are available)
  • Page 77 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.6. Only +30V is Not Output (Other Voltage are available) 9.2.7. Only +41V is Not Output (Other Voltage are available)
  • Page 78 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.8. Battery Backup Function Does Not Operate/PSU can Not Charge Batteries. 9.2.9. AC Alarm is Sent (Although AC Power is Normal)
  • Page 79 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.10. DC Alarm is Sent (Although All DC Output are Normal) 9.2.11. Table 1 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open...
  • Page 80 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C209 Short C304 Short C306 Short C308 Short D311 C310 Short C313 Open C313...
  • Page 81 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open D673 Short D693 Open Open IC051 Open IC051 Short IC051 Short IC051 Short IC051...
  • Page 82 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Open Short Short Short Short Open Short Open Open Short Open Open Open Short...
  • Page 83 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Q610 Short Q610 Short Q610 Open Q610 Open Q610 Open Q611 Short Q611 Short...
  • Page 84 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open R311 Open R312 Open R313 Open R313 Short R314 Open R314 Short R316 Open...
  • Page 85 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open VR652 Open Short Short 9.2.12. Table 2 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously...
  • Page 86 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.15. Table 5 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C305 OPEN C405 Short C411 SHORT C411 OPEN CN101 OPEN CN101...
  • Page 87 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open L202 OPEN L202 SHORT Q201 SHORT Q201 SHORT Q202 OPEN Q202 OPEN Q202 OPEN...
  • Page 88 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.17. Table 7 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C164 SHORT C165 SHORT C314 SHORT CN101 OPEN CN101 SHORT 41V-GND...
  • Page 89 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.2.18. Table 8 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open BEA11 OPEN BEA12 OPEN C501 SHORT C660 SHORT CN102 OPEN CN102...

  • Page 90: Kx-Tda0103Xj/X Power Unit Troubleshooting

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3. KX-TDA0103XJ/X POWER UNIT TROUBLESHOOTING 9.3.1. No Voltage is Output at All (1) (Output voltage of Main Converter is Abnormal)
  • Page 91 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.2. No Voltage is Output at All (2) (Output voltage of Main Converter is Normal) 9.3.3. +15VPT, +30V, +41V are Not Output (Only +15V is output)
  • Page 92 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.4. +15VPT, +30V are Not Output (+15V,+41V are available) 9.3.5. Only +15VPT is Not Output (Other Voltage are available)
  • Page 93 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.6. Only +30V is Not Output (Other Voltage are available) 9.3.7. Only +41V is Not Output (Other Voltage are available)
  • Page 94 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.8. Battery Backup Function Does Not Operate /PSU can Not Charge Batteries. 9.3.9. AC Alarm is Sent (Although AC Power is Normal)
  • Page 95 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.10. DC Alarm is Sent (Although All DC Output are Normal)
  • Page 96 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.11. Table 1 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C017 Short C018 Open C018 Short C019 Short C020 Short C021...
  • Page 97 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open CN301 Short CN301 Short CN401 Short CN801 Open CN801 Short CN803 Short CN803 Short...
  • Page 98 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open IC051 Open IC051 Open IC051 Open IC051 Open IC051 Open IC051 Open IC051 Short...
  • Page 99 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Q302 Short Q302 Short Q302 Short Q303 Short Q304 Open Q304 Open Q304 Open...
  • Page 100 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Q620 Open Q620 Short Q620 Short Q601 Q620 Short Q601 Q622 Q622 Open Q622...
  • Page 101 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Short R525 Short D510 R526 Short D510 Open Short Open Open Open Short R599...
  • Page 102 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open Short 9.3.12. Table 2 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously...
  • Page 103 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open D416 Open D423 Short D431 Short IC401 Open IC401 Open IC401 Open IC401 Open...
  • Page 104 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open T402 Open T402 Short T402 Short 9.3.16. Table 6 Ref. Defective mode Check Point...
  • Page 105 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 9.3.17. Table 7 Ref. Defective mode Check Point The parts which have the possibility of failure simultaneously Short/Open C164 Short C314 Short R319 C656 Short C660 Short CN101 Open...

  • Page 106: How To Replace A Flat Package Ic

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 10 HOW TO REPLACE A FLAT PACKAGE IC 10.1. PREPARATION 10.3. REMOVING SOLDER FROM BETWEEN PINS • • • • PbF (: Pb free) Solder • • • • Soldering Iron 1.

  • Page 107: Cabinet And Electrical Parts Location

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11 CABINET AND ELECTRICAL PARTS LOCATION 11.1. PSU-S (KX-TDA0108XJ/X)
  • Page 108 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11.2. PSU-M (KX-TDA0104XJ/X)
  • Page 109 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11.3. PSU-L (KX-TDA0103XJ/X)

  • Page 110: Screws And Washer

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11.4. SCREWS AND WASHER...

  • Page 111: Extension Cord For Servicing

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 11.5. EXTENSION CORD FOR SERVICING Note: Internal extension cords that enable the Power Supply Unit to be operated while it is disassembled.

  • Page 112: Accessories And Packing Materials

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 12 ACCESSORIES AND PACKING MATERIALS 12.1. PSU-S (KX-TDA0108XJ/X)
  • Page 113 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 12.2. PSU-M (KX-TDA0104XJ/X)
  • Page 114 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 12.3. PSU-L (KX-TDA0103XJ/X)

  • Page 115: Replacement Parts List

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 13 REPLACEMENT PARTS LIST Note: 13.1.2. Accessories and Packing Materials 1. RTL (Retention Time Limited) Ref. Part No. Part Name & Description Remarks The marking (RTL) indicates that the Retention Time is limited for this item.
  • Page 116 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D2064AQ210 DIODE(SI) C105 C30A0FQ181 D101 D2022BQ003 DIODE(SI) C162 C1132EC104 D155 D2095AQ008 DIODE(SI) C163...
  • Page 117 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3120TC103 R301 R3131AC102 R3121TC102 R302 R3067DQR22 0.22 R3121TC103 R303 R3067DQR22 0.22 R3123TC184 180k...
  • Page 118 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks (FILTERS) D2095AQ008 DIODE(SI) L1179JL402 MECHANICAL FILTER D2095AQ008 DIODE(SI) L1179JL402 MECHANICAL FILTER D4103AC007 DIODE(SI)
  • Page 119 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C330 C1132EC104 R427 R3121TC561 C511 C1132EC104 R428 R3121TC561 C519 C1132EC104 R515 R3121TC561 C520...

  • Page 120: Kx-Tda0104Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks 13.2. KX-TDA0104XJ/X Q504 T4081CC002 TRANSISTOR(SI) 13.2.1. Electrical Parts Q505 T1579AC002 TRANSISTOR(SI) Q506 T1576AC002 TRANSISTOR(SI) Ref. Part No. Part Name & Description...
  • Page 121 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D522 D2095AQ008 DIODE(SI) C402 C30A0EQ561 D523 D4103AC023 DIODE(SI) C403 C30A0EQ561 D524 D2095AQ008 DIODE(SI)
  • Page 122 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3126TC224 220k R313 R3127TC123 R3126TC224 220k R314 R3127TC272 2.7k R3126TC224 220k R315 R3121TC331...
  • Page 123 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R641 R3123TC334 330k C020 C1141EC101 100p R642 R3123TC334 330k C021 C1141EC471 470p R651 R3131AC392 3.9k...
  • Page 124 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D555 D2095AQ008 DIODE(SI) R526 R3121TC102 D556 D2095AQ008 DIODE(SI) R531 R3121TC223 D557 D2095AQ008 DIODE(SI)

  • Page 125: Kx-Tda0103Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2131QS474 0.47 (TRANSISTORS) (FILTERS) T5201CR001 TRANSISTOR(SI) L1197RS602 MECHANICAL FILTER T2394DL001 TRANSISTOR(SI) L1197RS602 MECHANICAL FILTER...
  • Page 126 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D302 D20Q0AQ010 DIODE(SI) C1132EC104 D303 D2065AQ002 DIODE(SI) C1132BC224 0.22 D305 D4103AC021 DIODE(SI) C162...
  • Page 127 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3121TC000 R324 R3131AC103 R3123TC224 220k R332 R3131AC000 R3121TC473 R333 R3131AC000 R3131AC103 R335 R3131AC100...
  • Page 128 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R654 R3120TC152 1.5k KPS1023000 INSULATOR, SHEET (for Q401, Q601, Q620) R655 R3121TC682 6.8k...
  • Page 129 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Q530 T4081CC002 TRANSISTOR(SI) J525 R3121TC000 Q532 T4081CC002 TRANSISTOR(SI) J529 R3121TC000 Q541 T4081CC002 TRANSISTOR(SI)
  • Page 130 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R581 R3121TC473 Q203 T4097CC002 TRANSISTOR(SI) R583 R3121TC472 4.7k Q204 T1820DC001 TRANSISTOR(SI) R587 R3121TC682 6.8k...

  • Page 131: Fixtures And Tools

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 13.4. FIXTURES AND TOOLS Ref. Part No. Part Name & Description Remarks PSZZ4K5Z EXTENSION CORD, 4P (for KX- TDA0103XJ/X, KX-TDA0104XJ/X) PSZZ4K6Z EXTENSION CORD, 4P (for KX- TDA0103XJ/X) PSZZ2K2Z EXTENSION CORD, 2P (for KX-...

  • Page 132: For The Schematic Diagram

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 14 FOR THE SCHEMATIC DIAGRAM Note: 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 new technology.
  • Page 133 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X MEMO...

  • Page 134: Schematic Diagram / S-Type Power Supply Unit (Psu S) / Kx-Tda0108Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 15 SCHEMATIC DIAGRAM / S-TYPE POWER SUPPLY UNIT (PSU-S) / KX-TDA0108XJ/X 15.1. SUB BOARD AC detection circuit CN806 PC601 CN807 Main Switch Controller Circuit Dropper Circuit Battery Reverse Connection...
  • Page 135 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X CN805 Over Voltage Detection Circuit PC601 CN803 Main Converter R655 C660 Output Circuit IC651 30V Output Converter Control Circuit CN802 OUT GND coMP RT/CT Q305 OUT GND Q205 coMP...
  • Page 136 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 137 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 138 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...

  • Page 139: Waveform (Psu-S) / Kx-Tda0108Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 15.3. WAVEFORM (PSU-S) / KX-TDA0108XJ/X Magnification WAVEFORM(KX-TDA0108XJ/X)-1/2...
  • Page 140 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X WAVEFORM(KX-TDA0108XJ/X)-2/2...
  • Page 141 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X MEMO...

  • Page 142: Main Board

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 16 SCHEMATIC DIAGRAM / M-TYPE POWER SUPPLY UNIT (PSU-M) / KX-TDA0104XJ/X 16.1. MAIN BOARD Rectifier Circuit 1 PFC Switching circuit Transformer T1 Sub SW Filter Circuit 2 Q620 Vcc feeding...
  • Page 143 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X Main Converter Output Circuit Over Voltage Detection Circuit C620 Sub Switch Controller Circuit R640 R641 R642 T601 C621 CN104 CN204 R621 Q622 R655 C660 CN101 D652 AC_ALM DC_ALM POWTYPE[1]...

  • Page 144: Sub Board 3

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 16.2. SUB BOARD 3 CN2-1 CN2-2 15V Output CN102 CN204-2 BEA11 BEA12 F151 R702 BATT (+) CN302 R2 R3 CN204-1 BATT (-) Battery Input/Output Circuit Battery Operation Controller Circuit...
  • Page 145 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X memo...

  • Page 146: Sub Board 2

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 16.3. SUB BOARD 2 Over Heat Detection Circuit R594 Battery Reverse Connection Q590 Detection Circuit R526 C511 Q511 Abnormal Condition Detection Circuit R582 Q524 D529 Q525 Over Voltage Detection Circuit...

  • Page 147: Sub Board 1

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 30V Output Converter Control Circuit CN805 VRN Vc OUT GND Q205 coMP RT/CT C209 R228 R229 R235 Q206 CN801 D530 D534 D557 AC Alarm Q527 Sending Circuit R579 R575...
  • Page 148 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...

  • Page 149: Waveform (Psu-M) / Kx-Tda0104Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 16.5. WAVEFORM (PSU-M) / KX-TDA0104XJ/X Magnification WAVEFORM(KX-TDA0104XJ/X)-1/2...
  • Page 150 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X WAVEFORM(KX-TDA0104XJ/X)-2/2...
  • Page 151 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X MEMO...

  • Page 152: Schematic Diagram / L-Type Power Supply Unit (Psu L) / Kx-Tda0103Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 17 SCHEMATIC DIAGRAM / L-TYPE POWER SUPPLY UNIT (PSU-L) / KX-TDA0103XJ/X 17.1. MAIN BOARD Rectifier Circuit 1 PFC Switching circuit Filter Circuit 2 BEA4 Q620 Sub SW BEA1 Vcc feeding circuit...

  • Page 153: Sub Board 4

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X C620 Main Converter Output Circuit Over Voltage Detection Circuit Sub Switch Controller Circuit R640 R641 R642 T601 C621 R621 PC601 Q622 C660 R655 D652 D607 R607 IC651 C610 C659...
  • Page 154 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 155 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 156 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 157 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...

  • Page 158: Waveform (Psu-L) / Kx-Tda0103Xj/X

    KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 17.6. WAVEFORM (PSU-L) / KX-TDA0103XJ/X Magnification WAVEFORM(KX-TDA0103XJ/X)-1/2...
  • Page 159 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X WAVEFORM(KX-TDA0103XJ/X)-2/2...
  • Page 160 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 161 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 162 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R235 Q205 J554 J529 C213 R226 J526 R227 C215 C212 R234 C209 D209 C230 R228 C210 Q305 J540 D308 C315 C313 C311 R334 J516 Q306 R327 C312 C309 D309...
  • Page 163 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 164 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 165 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 166 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R701...
  • Page 167 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 168 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X C523 D531 Q524 R593 R592 R563 C552 C522 C551 D510 R525 Q525 R561 D530 C511 R526 R582 Q526 R571 D529 D512 R579 C521 R575 D514 R560 D540 R577 R531...
  • Page 169 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R055 C029 R039 R060 R061 IC002 R056 R059 R052 R051...
  • Page 170 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X 2DS170...
  • Page 171 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 172 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 173 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R701 R703...
  • Page 174 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R214 R212 R215 C206 D211 R232 D225 Q205 R226 C213 R231 C212 C209 R228 D209 C211 Q206 Q204 C221 R204 Q203 R206 C203 R207...
  • Page 175 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 176 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X...
  • Page 177 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X R055 C029 R039 R060 R061 IC002 R056 R059 R052 R051...
  • Page 178 KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X KXTDA0103XJH3 KXTDA0104XJH3 KXTDA0108XJH3 KXTDA0103XUK1 KXTDA0104XUK1 KXTDA0108XUK1...

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