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Ref. No.
Part No.
Part Name & Description
Remarks
C86
PQCUV1H473MD 0.047
S
C88
PSCEV1HA100
10
C89
PSCEV0JA220
22
C106
PSCEV0JA101
100
C107
PSCEV0JA101
100
C108
ECUV1H471JCV
470P
C111
ECUV1H104ZFV
0.1
C115
ECUV1H104ZFV
0.1
S
C117
ECUV1H104ZFV
0.1
S
C118
ECUV1H104ZFV
0.1
S
C119
ECUV1H104ZFV
0.1
S
C120
PSCEV0JA470
47
C121
PQCUV1C474ZF
0.47
C122
ECUV1H151JCV
150P
14.4. LCD BOARD PARTS
Ref. No.
Part No.
Part Name & Description
Remarks
PCB2
PSWP2T7456UK
LCD BOARD ASS'Y (RTL)
(ICS)
IC201
PQVILC7981
IC
IC202
PSVIBR665BSD
IC
IC203
PSVILC7942ND
IC
IC204
PSVILC7940ND
IC
IC205
PSVILC7940ND
IC
IC206
PQVILA5311M
IC
(LED)
D201
PSVD111R820R LED
D202
PSWE1014Z
BACKLIGHT
(CONNECTOR)
CN201
PSJS36A61Z
CONNECTOR, 36P
(SWITCH)
SW1
PSWE1014Z
SWITCH, BACKLIGHT
(RESISTORS)
R201
PQ4R10XJ100
10
R202
PQ4R10XJ393
39K
R203
PQ4R10XJ393
39K
R204
PQ4R10XJ102
1K
R205
PQ4R10XJ471
470
(CAPACITORS)
C200
PQCUV1E104MD 0.1
S
C201
PQCUV1E104MD 0.1
S
C202
PQCUV1H150JC 15P
S
C203
PQCUV1E104MD 0.1
S
C204
PQCUV1E104MD 0.1
S
C205
PQCUV1E104MD 0.1
S
C206
PQCUV1E104MD 0.1
S
(OTHERS)
E1
L5ADBJG00001
LIQUID CRYSTAL DISPLAY
E2
PSSE1012Z
CONNECTOR
E3
PSHR1133Y
GUIDE
47
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 ...