Read Panasonic KX-TS2350UAJ / KX-TS2350UAS / KX-TS2350UAT Service Manual online
3
KX-TS2350UAJ/KX-TS2350UAS/KX-TS2350UAT
TABLE OF CONTENTS
PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. About Lead Free Solder (Pbf: Pb free)--------------- 4
2.2. Discarding of P. C. Board-------------------------------- 5
2.2. Discarding of P. C. Board-------------------------------- 5
3 Specifications ----------------------------------------------------- 5
4 Technical Descriptions ----------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 6
4.1. Block Diagram---------------------------------------------- 6
4.2. Circuit Operation------------------------------------------- 7
4.2. Circuit Operation------------------------------------------- 7
5 Location of Controls and Components ------------------- 9
5.1. Controls ------------------------------------------------------ 9
6 Installation Instructions ---------------------------------------- 9
6.1. Connections------------------------------------------------- 9
7 Operation Instructions-----------------------------------------10
7.1. Troubleshooting-------------------------------------------10
8 Troubleshooting Guide ----------------------------------------11
8.1. Service Hints-----------------------------------------------11
8.2. Pulse Dialing Problems ---------------------------------11
8.3. Problems with the Handset ----------------------------12
8.4. Tone Dialing Problems ----------------------------------12
8.5. Problems with Ringer------------------------------------13
8.6. How to Check the IC1 (Scanning to the key)------14
8.2. Pulse Dialing Problems ---------------------------------11
8.3. Problems with the Handset ----------------------------12
8.4. Tone Dialing Problems ----------------------------------12
8.5. Problems with Ringer------------------------------------13
8.6. How to Check the IC1 (Scanning to the key)------14
9 Disassembly and Assembly Instructions ---------------15
10 Measurements and Adjustments---------------------------16
10.1. Option Jumper Table-------------------------------------16
11 Schematic Diagram ---------------------------------------------17
11.1. For Schematic Diagram---------------------------------17
11.2. Schematic Diagram --------------------------------------18
11.2. Schematic Diagram --------------------------------------18
12 Printed Circuit Board-------------------------------------------21
12.1. Circuit Board (Main)--------------------------------------21
12.2. Circuit Board (Operation) -------------------------------23
12.2. Circuit Board (Operation) -------------------------------23
13 Appendix Information of Schematic Diagram ---------24
13.1. CPU Data --------------------------------------------------24
13.2. Terminal Guide of the ICs, Transistors and
13.2. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------25
14 Exploded View and Replacement Parts List -----------26
14.1. Cabinet and Electrical Parts --------------------------26
14.2. Accessories and Packing Materials------------------27
14.3. Replacement Part List-----------------------------------28
14.2. Accessories and Packing Materials------------------27
14.3. Replacement Part List-----------------------------------28
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