Ref. No.
Part No.
Part Name & Description
Remarks
35
PSGT2177Z
NAME PLATE (BLACK VERSION)
36
PSBD1012Z1
COVER, SWITCH
14.2. ACCESSORIES AND PACKING MATERIALS
Ref. No.
Part No.
Part Name & Description
Remarks
A1
PQJX2PS409Z
HANDSET (WHITE VERSION)
A1
PQJX2PM409Z
HANDSET (BLACK VERSION)
A2
PSJA1043Z
CORD, HANDSET (WHITE VERSION)
A2
PSJA1043Y
CORD, HANDSET (BLACK VERSION)
A3
PQJA48W
CORD, TEL.
A4
PSGD1040Z
CARD, VERLAY
S
A5
PSQX1525X
INSTRUCTION BOOK
P1
PSPK1907Z
GIFT BOX (WHITE VERSION)
P1
PSPK1910Z
GIFT BOX (BLACK VERSION)
P2
PQPP170Z
PROTECTION COVER
14.3. MAIN BOARD PARTS
Ref. No.
Part No.
Part Name & Description
Remarks
PCB1
PSWP1T7456UK
MAIN BOARD ASS'Y (RTL)
(ICS)
IC1
PSVIBU65050D
IC
IC2
PSVITC5324F2
IC
IC3
PQVIMC34119D
IC
IC4
PQVISC77655V
IC
S
IC5
PSVIMC5480DW IC
S
IC6
PSVI40612A04
IC
IC7
PQVINJU7660M
IC
S
IC8
PQVINJM2904M IC
IC9
PSVIBA05FP
IC
IC10
PSVIBA05FP
IC
IC11
PQVINJM319V
IC
IC12
PQVITC4066BF
IC
SW1
PSVII24015T
IC
(TRANSISTORS)
Q1
2SA1576Q
TRANSISTOR(SI)
Q2
2SA1576Q
TRANSISTOR(SI)
Q3
PQVTDTA143XU TRANSISTOR(SI)
Q4
PQVTDTA143XU TRANSISTOR(SI)
Q5
PQVTDTA143XU TRANSISTOR(SI)
Q6
PQVTDTA143XU TRANSISTOR(SI)
Q7
PQVTDTA143XU TRANSISTOR(SI)
Q8
PQVTDTA143XU TRANSISTOR(SI)
Q9
PQVTDTA143XU TRANSISTOR(SI)
Q10
PQVTDTA143XU TRANSISTOR(SI)
Q11
PQVTDTA143XU TRANSISTOR(SI)
Q12
PQVTDTA143XU TRANSISTOR(SI)
Q13
PQVTDTD133HK TRANSISTOR(SI)
Q14
PQVTDTD133HK TRANSISTOR(SI)
40
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 ...