Panasonic KX-T7665AL Service Manual

Panasonic KX-T7665AL Service Manual Manual pdf 2 page image

1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 31.1. SUGGESTED PbF SOLDER 31.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER ISUSED 42 FOR SERVICE TECHNICIANS 53 SPECIFICATIONS 54 LOCATION OF CONTROLS 55 CONNECTION 66 DISASSEMBLY INSTRUCTIONS 77 HOW TO REPLACE A FLAT PACKAGE IC 87.1. PREPARATION 87.2. PROCEDURE 87.3. REMOVING SOLDER FROM BETWEEN PINS 88 TROUBLESHOOTING GUIDE 98.1. NO OPERATION 98.2. LCD DOES NOT OPERATE 108.3. HANDSET DOES NOT WORK 118.4. SPEAKER-PHONE TROUBLE 128.5. DXDP-DPT DOES NOT WORK 139 BLOCK DIAGRAM 1410 CIRCUIT OPERATIONS 1510.1. KEY INPUT CONTROL CIRCUIT 1510.2. LCD CONTROL CIRCUIT 1610.3. LED CIRCUIT 1710.4. RESET CIRCUIT 1810.5. POWER SUPPLY CIRCUIT 1810.6. DATA COMMUNICATION 1910.7. DXDP COMMUNICATION 2010.8. ANALOG CIRCUIT 2111 IC DATA 2311.1. IC2 2311.2. IC6 2512 TERMINAL GUIDE OF ICs, TRANSISTORS AND DIODES 2613 CABINET AND ELECTRICAL PARTS LOCATION 2714 ACCESSORIES AND PACKING MATERIALS 2815 REPLACEMENT PARTS LIST 2915.1. CABINET AND ELECTRICAL PARTS 2915.2. ACCESSORIES AND PACKING MATERIALS 2915.3. MAIN BOARD PARTS 2916 FOR THE SCHEMATIC DIAGRAM 3117 SCHEMATIC DIAGRAM 3218 WAVEFORM 3419 PRINTED CIRCUIT BOARD (MAIN BOARD) 3719.1. COMPONENT VIEW 3719.2. BOTTOM VIEW 38CONTENTS Page Page2KX-T7665AL / KX-T7665X