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Q25
D105
CO24
D111
CO18
D117
CO12
D123
C115
C74
R98
C31
C28
C122
R32 R31
R123
R148
R11
R8
C9
R13
R12
L10
J17
R147
R146
R145
R153
R152
R151
R150
R45
R41
R44
R46
D11
D129
D126
R124
R125
R126
CO6
D128
3
D127
TRANS
D104
CO23
D110
CO17
D116
CO11
D122
CO5
PAUSE
MW
MUTE
AUTO
FLASH
D103
CO22
D109
CO16
D115
CO10
D121
CO4
D125
D124
PROG
HOLD
REDIAL
D101
CO20
D107
CO14
D113
CO8
D119
CO2
CONF
D130
D100
CO19
D106
CO13
D112
CO7
D118
CO1
INT
D102
CO21
D108
CO15
D114
CO9
D120
CO3
FWD/DND
SP-PHONE
6
9
2
5
8
#
0
1
4
7
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 ...