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KX-T7730CA
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -------------------------------------------
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3
1.1. For Service Technicians ----------------------------- ---3
2 Warning ----------------------------------------------------------
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3
2.1. About Lead Free Solder (PbF: Pb free) ---------- ---3
3 Specifications --------------------------------------------------
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4
4 Technical Descriptions--------------------------------------
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5
4.1. Block Diagram ------------------------------------------ ---5
4.2. Circuit Operations -------------------------------------- ---6
5 Location of Controls and Components----------------
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13
6 Installation Instructions-------------------------------------
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14
6.1. Connection----------------------------------------------- - 14
7 Troubleshooting Guide--------------------------------------
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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-------------
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19
9 Miscellaneous --------------------------------------------------
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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-------------------------------------------
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24
11 Printed Circuit Board ----------------------------------------
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26
11.1. Component View --------------------------------------- - 26
11.2. Bottom View --------------------------------------------- - 27
12 Appendix Information of Schematic Diagram -------
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27
13 Exploded View and Replacement Parts List ---------
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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
Summary of Contents for KX-T7730CA
Page 12: ...12 KX T7730CA ...
Page 13: ...13 KX T7730CA 5 Location of Controls and Components ...
Page 15: ...15 KX T7730CA 7 Troubleshooting Guide 7 1 No Operation ...
Page 16: ...16 KX T7730CA 7 2 Handset Trouble ...
Page 17: ...17 KX T7730CA 7 3 Speaker Phone Trouble 7 4 TONE Dial Trouble ...
Page 21: ...21 KX T7730CA 9 Miscellaneous 9 1 Terminal Guide of ICs Transistors and Diodes ...
Page 23: ...23 KX T7730CA 9 3 Memo ...
Page 30: ...30 KX T7730CA 13 2 Cabinet and Electrical Parts Location ...
Page 31: ...31 KX T7730CA 13 3 Accessories and Packing Materials ...