DOWNLOAD Panasonic KX-NT400RU Service Manual ↓ Size: 4.33 MB | Pages: 108 in PDF or view online for FREE

Model
KX-NT400RU
Pages
108
Size
4.33 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt400ru.pdf
Date
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Panasonic KX-NT400RU Service Manual ▷ View online

25
KX-NT400RU
Note:
Refer to waveform (2)-(5) in  Waveform (P.65) .
26
KX-NT400RU
Table-1 : PORT OUTPUT(IC1) AT ERROR
The error result is outputted to a port of IC1 at error. Check the Test Point ST3-6.
See below for the output contents.
Table : PORT OUTPUT AT ERROR
Remarks: 0 = 0V, 1 = 3.3V
Handling (A) : Check the soldering. Resolder or replace parts as needed.
Handling (B) : Check the soldering. Resolder parts or replace the PCB1 assembly as needed.
27
KX-NT400RU
7.2.
LCD Does Not work
Note:
Refer to waveform (6)-(8) in  Waveform (P.65) .
28
KX-NT400RU
7.3.
Touch Panel Does Not work
Note:
Refer to waveform (9)-(10) in  Waveform (P.65) .
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