KX-T7765X 1 Safety Precautions 1.1. For Service Technicians • Repair service shall be provided in accordance with repair technology information such as service manual so as to prevent fires, injury or electric shock, which can be caused by improper repair work.
KX-T7765X 2 Warning 2.1. About Lead Free Solder (PbF: Pb free) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that con- tains lead. We will use PbF when discussing the lead free solder used in our manufacturing process which is made from Tin, (Sn), Silver, (Ag), and Copper, (Cu).
KX-T7765X 3 Specifications Dimensions (D x W x H): 27 mm x 98 mm x 130 mm Weight: about 190g 4 Installation Instructions 4.1. Installing the Doorphone 1. Loosen the screw to separate the doorphone into 2 halves. 2. Pass the wires through the hole in the base cover, and attach the base cover to a wall using 2 screws.
MIC AMP 0.73V MIC AMP Call SW M(-) KX-T7765X SCHEMATIC DIAGRAM 7.1. Circuit Operation 1. Call circuit Depressing switch S1 causes terminals 1 and 2 to be shorted through R7, therefore a call is detected at the doorphone adaptor side.
KX-T7765X 9 Appendix Information of Schematic Diagram Note: 1. DC voltage measurements are taken with an oscilloscope or a tester with a ground. 2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
KX-T7765X 10.3. Replacement Part List 10.3.2. Accessories and Packing Materials Note: Ref. Part No. Part Name & Description Remarks 1. RTL (Retention Time Limited) PSQW2492Z IMPORTER'S NAME AND The "RTL" marking indicates that its Retention Time is ADDRESS DIRECTORY Limited.