Table Of Contents - Panasonic KX-T7730CA Service Manual

KX-T7730CA

TABLE OF CONTENTS

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
4.1. Block Diagram ------------------------------------------ ---5
4.2. Circuit Operations -------------------------------------- ---6
5 Location of Controls and Components---------------- - 13
6 Installation Instructions------------------------------------- - 14
6.1. Connection----------------------------------------------- - 14
7 Troubleshooting Guide-------------------------------------- - 15
7.1. No Operation -------------------------------------------- - 15
7.2. Handset Trouble---------------------------------------- - 16
7.3. Speaker-Phone Trouble ------------------------------ - 17
7.4. TONE Dial Trouble------------------------------------- - 17
7.5. The Electronic Volume of the Speaker-Phone
Does Not Work-------------------------------------------- 18
7.6. The Electronic Volume of Handset Does Not Work18
8 Disassembly and Assembly Instructions ------------- - 19
9 Miscellaneous -------------------------------------------------- - 21
9.1. Terminal Guide of ICs, Transistors and Diodes- - 21
9.2. How To Replace a Flat Package IC --------------- - 22
9.3. Memo------------------------------------------------------ - 23
10 Schematic Diagram------------------------------------------- - 24
11 Printed Circuit Board ---------------------------------------- - 26
11.1. Component View --------------------------------------- - 26
11.2. Bottom View --------------------------------------------- - 27
12 Appendix Information of Schematic Diagram ------- - 27
13 Exploded View and Replacement Parts List --------- - 28
13.1. IC1 --------------------------------------------------------- - 28
13.2. Cabinet and Electrical Parts Location------------- - 30
13.3. Accessories and Packing Materials --------------- - 31
13.4. Replacement Parts List ------------------------------- - 32
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