![background image](http://html.mh-extra.com/html/panasonic/kx-t7456-digital-24-button-speakerphone-display/kx-t7456-digital-24-button-speakerphone-display_specifications_270033044.webp)
Ref. No.
Part No.
Part Name & Description
Remarks
R62
ERJ3GEYJ222
2.2K
R63
ERJ3GEYJ183
18K
R64
ERJ3GEYJ120
12
R65
ERJ3GEYJ154
150K
R66
ERJ3GEYJ123
12K
R67
ERJ3GEYJ222
2.2K
R68
ERJ3GEYJ222
2.2K
R69
PQ4R18XJ3R3
3.3
R70
ERJ3GEYJ472
4.7K
R71
ERJ3GEY0R00
0
R72
ERJ3GEYJ562
5.6K
R73
ERJ3GEYJ104
100K
R74
ERJ3GEYJ275
2.7M
R75
ERJ3GEYJ562
5.6K
R76
ERJ3GEYJ682
6.8K
R77
ERJ3GEYJ683
68K
R78
ERJ3GEYJ303
30K
R79
ERJ3GEYJ563
56K
R80
ERJ3GEYJ273
27K
R81
ERJ3GEYJ124
120K
R82
ERJ3GEYJ224
220K
R83
ERJ3GEYJ104
100K
R84
ERJ3GEYJ103
10K
R85
ERJ3GEYJ103
10K
R86
ERJ3GEYJ103
10K
R87
ERJ3GEYJ104
100K
R88
ERJ3GEYJ333
33K
R89
ERJ3GEYJ223
22K
R90
ERJ3GEYJ183
18K
R91
ERJ3GEYJ103
10K
R92
ERJ3GEYJ105
1M
R93
ERJ3GEYJ223
22K
R94
ERJ3GEYJ223
22K
R95
ERJ3GEYJ223
22K
R96
ERJ3GEYJ223
22K
R97
ERJ3GEYJ223
22K
R98
ERJ3GEYJ223
22K
R99
ERJ3GEYJ223
22K
R100
ERJ3GEYJ223
22K
R101
ERJ3GEYJ472
4.7K
R102
ERJ3GEYJ472
4.7K
R103
ERJ3GEYJ104
100K
R104
ERJ3GEYJ472
4.7K
R105
ERJ3GEYJ472
4.7K
R106
ERJ3GEYJ183
18K
R107
ERJ3GEYJ104
100K
R108
ERJ3GEYJ103
10K
R109
ERJ3GEYJ332
3.3K
R110
ERJ3GEYJ223
22K
R111
ERJ3GEYJ104
100K
R113
ERJ3GEYJ680
68
R114
ERJ3GEY0R00
0
R115
ERJ3GEYJ330
33
R116
ERJ3GEY0R00
0
44
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 ...