KX-TS2358UAB, KX-TS2358UAW (serv.man3) — Panasonic Telephone Service Manual (repair manual). Page 3

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KX-TS2358UAB/KX-TS2358UAW
TABLE OF CONTENTS
PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (PbF: Pb free)-------------- 4
2.3. Discarding of P.C. Board--------------------------------- 5
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions 
----------------------------------------- 7
4.1. Block Diagram---------------------------------------------- 7
4.2. Circuit Operation------------------------------------------- 8
5 Location of Controls and Components ------------------12
5.1. Location of Controls--------------------------------------12
5.2. Display ------------------------------------------------------12
6 Installation Instructions ---------------------------------------13
6.1. Connections------------------------------------------------13
6.2. Connecting a Communication Device---------------13
6.3. Battery-------------------------------------------------------14
7 Operating Instructions-----------------------------------------15
7.1. Programmable Settings ---------------------------------15
7.2. Dial Lock ----------------------------------------------------16
7.3. Call Restriction --------------------------------------------16
7.4. Troubleshooting-------------------------------------------17
8 Troubleshooting Guide ----------------------------------------19
8.1. Service Hints-----------------------------------------------19
8.2. Pulse Dialing Problems ---------------------------------19
8.3. Tone Dialing Problems (handset)---------------------20
8.4. No Ringing Sound When Ring Signal is Input ----20
9 Disassembly and Assembly Instructions ---------------21
9.1. Disassembly Instructions -------------------------------21
10 Miscellaneous ----------------------------------------------------23
10.1. IC Block diagram -----------------------------------------23
10.2. How to Replace the Flat Package IC----------------30
10.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------32
11 Schematic Diagram ---------------------------------------------33
11.1. For Schematic Diagram---------------------------------33
11.2. Schematic Diagram (Main)-----------------------------34
11.3. Schematic Diagram (Operation) ----------------------36
12 Printed Circuit Board-------------------------------------------39
12.1. Circuit Board (Main)--------------------------------------39
12.2. Circuit Board (Operation) -------------------------------41
13 Exploded View and Replacement Parts List -----------43
13.1. Cabinet and Electrical Parts ---------------------------43
13.2. Accessories and Packing Materials------------------44
13.3. Replacement Part List-----------------------------------45
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