KX-TS2352UAB, KX-TS2352UAC, KX-TS2352UAJ, KX-TS2352UAW - Panasonic Telephone Service Manual (repair manual). Page 3

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KX-TS2352UAB/KX-TS2352UAC/KX-TS2352UAJ/KX-TS2352UAW
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
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions 
----------------------------------------- 7
4.1. Block Diagram---------------------------------------------- 7
4.2. Circuit Operation------------------------------------------- 8
5 Location of Controls and Components ------------------10
5.1. Controls -----------------------------------------------------10
6 Installation Instructions ---------------------------------------10
6.1. Connections------------------------------------------------10
7 Operation Instructions-----------------------------------------11
7.1. Troubleshooting------------------------------------------- 11
8 Troubleshooting Guide ----------------------------------------12
8.1. Service Hints-----------------------------------------------12
8.2. Pulse Dialing Problems ---------------------------------12
8.3. Problems with the Handset ----------------------------13
8.4. Tone Dialing Problems ----------------------------------13
8.5. Problems with Ringer------------------------------------14
8.6. How to Check the IC1 (Scanning to the key)------15
9 Disassembly and Assembly Instructions ---------------16
9.1. Disassembly Instructions -------------------------------16
10 Measurements and Adjustments---------------------------17
10.1. Option Jumper Table-------------------------------------17
11 Miscellaneous ----------------------------------------------------18
11.1. CPU Data  --------------------------------------------------18
11.2. IC Block diagram -----------------------------------------19
11.3. Terminal Guide of the ICs, Transistors and
Diodes -------------------------------------------------------20
12 Schematic Diagram ---------------------------------------------21
12.1. For Schematic Diagram---------------------------------21
12.2. Schematic Diagram (Main)-----------------------------22
12.3. Schematic Diagram (Operation) ----------------------24
13 Printed Circuit Board-------------------------------------------25
13.1. Circuit Board (Main)--------------------------------------25
13.2. Circuit Board (Operation) -------------------------------27
14 Exploded View and Replacement Parts List -----------29
14.1. Cabinet and Electrical Parts  --------------------------29
14.2. Accessories and Packing Materials------------------30
14.3. Replacement Part List-----------------------------------31
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