Read Panasonic KX-TDA0194XJ / KX-TDA0194X Service Manual online
2
KX-TDA0194XJ/KX-TDA0194X
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
1.2. Caution--------------------------------------------------------3
1.2. Caution--------------------------------------------------------3
2 Warning --------------------------------------------------------------3
2.1. About Lead Free Solder (PbF: Pb free) --------------3
3 Technical Descriptions------------------------------------------5
3.1. Block Diagram ----------------------------------------------5
3.2. Circuit Operation -------------------------------------------6
3.2. Circuit Operation -------------------------------------------6
4 Location of Controls and Components--------------------8
4.1. Names and Locations-------------------------------------8
5 Installation Instructions--------------------------------------- 10
5.1. Installing/Removing the Optional Service
Cards -------------------------------------------------------- 10
6 Troubleshooting Guide---------------------------------------- 12
6.1. Message Rec/Play/Erase Cannot be Used-------- 12
6.2. Cannot USE CO-ESVM4-CO Conversation------- 16
6.3. Cannot USE CO-ESVM4-CO Vox Detection------ 19
6.4. Cannot USE CNG signal Detection ----------------- 22
6.2. Cannot USE CO-ESVM4-CO Conversation------- 16
6.3. Cannot USE CO-ESVM4-CO Vox Detection------ 19
6.4. Cannot USE CNG signal Detection ----------------- 22
7 Miscellaneous ---------------------------------------------------- 25
7.1. Terminal Guide of the ICs, Transisitors and
Diodes------------------------------------------------------- 25
7.2. How To Replace a Flat Package IC ----------------- 26
8 Schematic Diagram--------------------------------------------- 27
8.1. Main Board------------------------------------------------- 27
8.2. Waveform -------------------------------------------------- 30
8.2. Waveform -------------------------------------------------- 30
9 Printed Circuit Board ------------------------------------------ 31
9.1. Component View ----------------------------------------- 31
9.2. Bottom View ----------------------------------------------- 32
9.2. Bottom View ----------------------------------------------- 32
10 Appendix Information of Schematic Diagram --------- 33
11 Exploded View and Replacement Parts List ---------- 34
11.1. IC Data------------------------------------------------------ 34
11.2. Accessories and Packing Material------------------- 35
11.3. Replacement Parts List --------------------------------- 36
11.2. Accessories and Packing Material------------------- 35
11.3. Replacement Parts List --------------------------------- 36
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