Read Panasonic KX-T7630RU Service Manual online
2
KX-T7630RU-B
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. For Service Technicians ---------------------------------3
2 Warning --------------------------------------------------------------3
2.1. About Lead Free Solder (PbF: Pb free) --------------3
3 Specifications ------------------------------------------------------4
4 Technical Descriptions------------------------------------------5
4 Technical Descriptions------------------------------------------5
4.1. Block Diagram ----------------------------------------------5
4.2. Circuit Operations ------------------------------------------6
4.2. Circuit Operations ------------------------------------------6
5 Location of Controls and Components------------------ 13
6 Installation Instructions--------------------------------------- 14
6 Installation Instructions--------------------------------------- 14
6.1. Connection------------------------------------------------- 14
7 Troubleshooting Guide---------------------------------------- 15
7.1. No Operation ---------------------------------------------- 15
7.2. LCD Does Not Operate--------------------------------- 16
7.3. Handset Does Not Work-------------------------------- 17
7.4. Headset Does Not Work-------------------------------- 18
7.5. Speaker-Phone Trouble -------------------------------- 19
7.6. DXDP-DPT Does Not Work --------------------------- 20
7.2. LCD Does Not Operate--------------------------------- 16
7.3. Handset Does Not Work-------------------------------- 17
7.4. Headset Does Not Work-------------------------------- 18
7.5. Speaker-Phone Trouble -------------------------------- 19
7.6. DXDP-DPT Does Not Work --------------------------- 20
8 Disassembly and Assembly Instructions--------------- 21
8.1. Disassembly Instructions------------------------------- 21
9 Miscellaneous ---------------------------------------------------- 22
9.1. Terminal Guide of ICs, Transistors and Diodes--- 22
9.2. How To Replace a Flat Package IC ----------------- 23
9.2. How To Replace a Flat Package IC ----------------- 23
10 Schematic Diagram--------------------------------------------- 24
10.1. Waveform -------------------------------------------------- 28
10.2. Memo-------------------------------------------------------- 31
10.2. Memo-------------------------------------------------------- 31
11 Printed Circuit Board ------------------------------------------ 32
11.1. Component View ----------------------------------------- 32
11.2. Bottom View ----------------------------------------------- 33
11.2. Bottom View ----------------------------------------------- 33
12 Appendix Information of Schematic Diagram --------- 34
13 Exploded View and Replacement Parts List ----------- 35
13 Exploded View and Replacement Parts List ----------- 35
13.1. IC Data------------------------------------------------------ 35
13.2. Cabinet and Electrical Parts Location--------------- 39
13.3. Accessories and Packing Materials ----------------- 40
13.4. Replacement Parts List --------------------------------- 41
13.2. Cabinet and Electrical Parts Location--------------- 39
13.3. Accessories and Packing Materials ----------------- 40
13.4. Replacement Parts List --------------------------------- 41
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