14.5. SWITCH BOARD PARTS
Ref. No.
Part No.
Part Name & Description
Remarks
PCB3
PSWP3T7431UK SWITCH BOARD ASS'Y (RTL)
(SWITCH)
SW301
PSSRCA101Z
SWITCH, JOG DIAL
(CONNECTOR)
CN301
PSJS03Q36Z
CONNECTOR, 3P
15. PRINTED CIRCUIT BOARD
15.1. MAIN BOARD (COMPONENT VIEW)
15.2. MAIN BOARD (BOTTOM VIEW)
16. SCHEMATIC DIAGRAM
17. PRINTED CIRCUIT BOARD
H KXT7456MUK / KXT7456MBUK
48
Summary of Contents for KX-T7456 - Digital 24 Button Speakerphone Display
Page 4: ...4 DISASSEMBLY INSTRUCTIONS 4 1 HOW TO REMOVE THE LOWER CABINET Procedure 1 4 ...
Page 8: ...5 IC DATA 5 1 IC1 8 ...
Page 11: ...11 ...
Page 15: ...15 ...
Page 20: ...7 4 DATA COMMUNICATION CIRCUIT 1 Function 20 ...
Page 24: ...The reset signal is negledted 24 ...
Page 29: ...8 TROUBLESHOOTING GUIDE 8 1 NO OPERATION 8 2 THE LCD DOES NOT OPERATE 29 ...
Page 31: ...8 5 SPEAKER PHONE TROUBLE 8 6 TONE DIAL TROUBLE 8 7 TROUBLE OF OHCA 31 ...
Page 32: ...8 8 HANDSET TROUBLE 9 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 32 ...
Page 36: ...12 CABINET AND ELECTRICAL PARTS LOCATION 13 ACCESSORIES AND PACKING MATERIALS 36 ...
Page 49: ...33 37 34 35 36 25 32 ...
Page 55: ...SW301 CN301 1 2 3 ...
Page 57: ...1 5 2 6 3 7 4 8 ...
Page 58: ...9 13 10 14 11 15 12 16 ...
Page 59: ...17 21 18 22 19 23 20 24 ...