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Panasonic KX-TS840B Service Manual

Integrated telephone system.
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Telephone Equipment
KX-TS840B
Model No.
KX-TS840W
Integrated Telephone System
B: Black Version
W: White Version
(for U.S.A)
© Panasonic System Networks Co., Ltd. 2012
Unauthorized copying and distribution is a violation
of law.
ORDER NO. KM41209620CE
J01

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Table of Contents

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   Summary of Contents for Panasonic KX-TS840B

  • Page 1 ORDER NO. KM41209620CE Telephone Equipment KX-TS840B Model No. KX-TS840W Integrated Telephone System B: Black Version W: White Version (for U.S.A) © Panasonic System Networks Co., Ltd. 2012 Unauthorized copying and distribution is a violation of law.
  • Page 2 KX-TS840B/KX-TS840W...
  • Page 3: Table Of Contents

    KX-TS840B/KX-TS840W TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 1.1. For Service Technicians --------------------------------- 4 2 Warning -------------------------------------------------------------- 4 2.1. About Lead Free Solder (Pbf: Pb free)--------------- 4 2.1.1. Suggested PbF Solder ------------------------------ 5 2.2. Discarding of P. C. Board-------------------------------- 5...
  • Page 4: Safety Precautions

    KX-TS840B/KX-TS840W 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: Suggested Pbf Solder

    KX-TS840B/KX-TS840W 2.1.1. Suggested PbF Solder There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper (Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu) or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the manufac turer's specific instructions for the melting points of their products and any precautions for using their product with other materials.
  • Page 6: Specifications

    KX-TS840B/KX-TS840W 3 Specifications Power Source: From telephone line Redial: The unit redials the last dialed number Handset : 3 cm (1 13/16") PM dynamic type 150  Speaker Unit : Microphone: Electric condenser microphone Input Jack : Telephone Line Operating conditions: 0C - 40C, 20 % - 80 % RH relative air humidity (dry)
  • Page 7: Location Of Controls And Components

    KX-TS840B/KX-TS840W 4 Location of Controls and Components Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server. 5 Installation Instructions Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
  • Page 8 KX-TS840B/KX-TS840W Memo...
  • Page 9: Schematic Diagram

    KX-TS840B/KX-TS840W 7 Schematic Diagram 7.1. For Schematic Diagram 1. DC voltage measurements are taken with voltmeter from the negative voltage line. 2. The schematic diagrams may be modified at any time with the development of new technology.
  • Page 10: Schematic Diagram (main)

    KX-TS840B/KX-TS840W 7.2. Schematic Diagram (Main) *C603 IC601 0.022u R611 R606 C620 0.033u R607 R612 1.8k C609 0.1u C615 22u 16 R605 2.2M R602 2.7k C606 R613 100k C610 0.068u C619 4.7u R608 4.7k C608 0.022u TP611 TP612 R617 2.2k *Q654 R609 2.7M...
  • Page 11 KX-TS840B/KX-TS840W RINGER 6.8k (1/2W) 1u 50 PULSE SHAPE PATTERN R657 *JP1 1u 250 *Q109 LED1 Complex Hi-impedance LED1 R660 circuit WHITE *R123 CN2-1 WHITE JJ101 CN2-1 *PC101 *R124 EX-HOOK PULSE MUTE / (10) CN2-2 DETECT LINE SEIZER (11) *R180 *Q101...
  • Page 12: Schematic Diagram (operation)

    KX-TS840B/KX-TS840W 7.3. Schematic Diagram (Operation) SPON TP21 HOOK TP20 TP19 R871 SP_LED TP18 2.7k TP17 SP_LED KEY0 KEY1 TP16 D886 Flash KEY2 TP15 D887 KEY3 TP14 Mute/OK KEY4 TP13 D888 KEY5 TP12 D889 MIC - TP11 Vol+ Prog Lock/Exit Auto/Lwr...
  • Page 13: Exploded View And Replacement Parts List

    You can download and refer to the Operating Instructions (Instruction Book) on TSN Server. Safety Ref. No. Part No. Part Name & Description Remarks PQJXF1001Z HANDLE/HANDSET (for KX-TS840B) PQJXF1002Z HANDLE/HANDSET (for KX-TS840W) PQJA10152W CORD, HANDSET (for KX-TS840B) PQJA10152Z CORD, HANDSET (for KX-TS840W) PQJA10075Z CORD, TELEPHONE YANI KXTS840B KXTS840W...

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