Panasonic KX-T2378JXW Service Manual
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Panasonic KX-T2378JXW Service Manual

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Telephone Equipment
KX-T2378JXW
Intergrated Telephone System
White Version
(for Asia, Middle Near East and Other Areas)
© 2002 Kyushu Matsushita Electric Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. KM40112760C3
Unauthorized
copying
and

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Summary of Contents for Panasonic KX-T2378JXW

  • Page 1 ORDER NO. KM40112760C3 Telephone Equipment KX-T2378JXW Intergrated Telephone System White Version (for Asia, Middle Near East and Other Areas) © 2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    KX-T2378JXW CONTENTS Page Page 1 LOCATION OF CONTROLS 9.3. Ringer Circuit 2 DISPLAY 9.4. Tone Detect 3 CONNECTION 9.5. In Use Detector Circuit 3.1. Connecting the Handset 9.6. Hold Circuit 3.2. Connecting the Telephone Line Cord 9.7. Speakerphone Circuit 3.3. Connecting a Communication Device...
  • Page 3 KX-T2378JXW 20 CIRCUIT BOARD (BASE UNIT) 20.4. Flow Solder Side View (Main (Suffix B)) 20.1. Component View (Main (Suffix A)) 20.5. Component View (Operation) 20.2. Flow Solder Side View (Main (Suffix A)) 20.6. Flow Solder Side View (Operation) 20.3. Component View (Main (Suffix B))

  • Page 4: Location Of Controls

    KX-T2378JXW 1 LOCATION OF CONTROLS...

  • Page 5: Display

    KX-T2378JXW 2 DISPLAY...

  • Page 6: Connection

    3 CONNECTION 3.1. Connecting the Handset Connect the handset as shown below. • • Use only a Panasonic Handset for the KX-T2378JXW. 3.2. Connecting the Telephone Line Cord Connect the telephone line cord(s) to the unit as follows. To connect a two-line telephone jack...

  • Page 7: Connecting A Communication Device

    KX-T2378JXW If you use the unit only as a single-line telephone 3.3. Connecting a Communication Device After connecting the telephone line cord to a two-line telephone jack, you can connect a communication device (computer, modem, fax, answering machine, etc.) through this unit using the LINE2/DATA jack.

  • Page 8: Settings

    KX-T2378JXW 4 SETTINGS 4.1. Selecting the Dialing Mode You can select the dialing mode by programming. If you have touch tone service, set to "Tone". If rotary or pulse service is used, set to "Pulse". Your phone comes from the factory set to "Tone".

  • Page 9: Time Adjustment

    KX-T2378JXW 4.2. Time Adjustment You can select AM/PM or 24-hour clock by programming. Make sure that a call is not put on hold.

  • Page 10: Setting The Lcd Contrast

    KX-T2378JXW 4.3. Setting the LCD Contrast You can select the LCD contrast level from 1 to 4 by programming. Your phone comes from the factory set to 3. Make sure that a call is not put on hold. 4.4. Selecting the Ringer Volume...

  • Page 11: Special Features

    KX-T2378JXW 5 SPECIAL FEATURES 5.1. FLASH Button 5.2. Selecting the Flash Time The flash time depends on your telephone exchange or host PBX. You can select the following flash times: "80, 90, 100, 110, 200, 250, 300, 400, 600, 700 ms (milliseconds)". Your phone comes from the factory set to "600 ms".

  • Page 12: Setting The Pin Code

    KX-T2378JXW 5.3. Setting the Pin Code A 4-digit PIN Code (Personal Identification Number) prevents unauthorized persons from using your unit. The PIN Code is required for the dial lock and call restriction to be set or canceled. The factory preset PIN code is "1111".

  • Page 13: Dial Lock

    KX-T2378JXW 5.4. Dial Lock You can prevent others from making a call to any number except the one pre-programmed in the memory of the EMERGENCY button. Once you locked the dialing buttons, even emergency numbers cannot be dialed. Only incoming calls are accepted until the dial lock is canceled.

  • Page 14: Call Restriction

    KX-T2378JXW 5.5. Call Restriction You can prevent the unit from dialing phone numbers beginning with specified digit(s) (1 digit or 2 digits). Phone numbers with the restricted leading digits cannot be dialed out. 5.5.1. To Set the Call Restriction Make sure that a call is not put on hold.

  • Page 15: How To Release The Establishment Of Dial Lock

    KX-T2378JXW 5.6. How to Release the Establishment of Dial Lock After this procedure, you will be able to establish a new password. How to release the establishment of dial lock.

  • Page 16: Disassembly Instructions

    KX-T2378JXW 6 DISASSEMBLY INSTRUCTIONS Shown in Fig —. To remove —. Remove —. Lower Cabinet Screws (2.6 × 12).........( A) × 5 Main P. C. Board The Main P.C. Board Battery Box The Battery Box Operational P.C. Board Screws (2.6 × 8)........(B) × 5...

  • Page 17: Trouble Shooting Guide

    KX-T2378JXW 7 TROUBLE SHOOTING GUIDE 7.1. Service Hints SYMPTOM CURE Dead Check IC801, X801, X802 Can’t hear the voice from handset. Check Q109, Q405, Q406. No voice transmit. Check Q421, Q424, Q108. Can’t tone dial. Check IC801, R445, R444, R443, C436.

  • Page 18: Tone Dialing Problems (Handset)

    KX-T2378JXW 7.3. Tone Dialing Problems (Handset) 7.4. No Ringing Sound When Ring Signal is Input.

  • Page 19: In Use Led Is Not On

    KX-T2378JXW 7.5. In Use LED is Not On 7.6. When the both lines are held in the Conference mode; Line LED are not Green...

  • Page 20: Does Not Hold

    KX-T2378JXW 7.7. Does Not Hold...

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