DOWNLOAD Panasonic KX-NS5173XSX / KX-NS5174XSX Service Manual ↓ Size: 2.83 MB | Pages: 53 in PDF or view online for FREE

Model
KX-NS5173XSX KX-NS5174XSX
Pages
53
Size
2.83 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / 8- AND 16-PORT SINGLE LINE TELEPHONE EXTENSION CARD)
File
kx-ns5173xsx-kx-ns5174xsx.pdf
Date
PREV: Panasonic KX-NS5173X / KX-NS5173SX / KX-NS5174X / KX-NS5174SX Service Manual / Supplement

Panasonic KX-NS5173XSX / KX-NS5174XSX Service Manual ▷ View online

13
KX-NS5173X/KX-NS5173SX/KX-NS5174X/KX-NS5174SX
7 Installation Instructions
7.1.
Information about the Physical Extension Cards
7.1.1.
MCSLC8 Card (KX-NS5173) and MCSLC16 Card (KX-NS5174)
Function
8-port extension card for SLTs with Caller ID (FSK), Message Waiting Lamp control.
Function
16-port extension card for SLTs with Caller ID (FSK), Message Waiting Lamp control.
Accessory and User-supplied ltems
Accessories (included): Spacer X 3, slot cover X 1
User-supplied (not included): RJ45 connector, Copper wire
Pin Assignments
No.
Signal Name
Function
1
TA
Tip port 1
2
RA
Ring port 1
3
TB
Tip port 2
4
TC
Tip port 3
5
RC
Ring port 3
6
RB
Ring port 2
7
TD
Tip port 4
8
RD
Ring port 4
To Extension
RJ45
To Extension
RJ45
8
1
14
KX-NS5173X/KX-NS5173SX/KX-NS5174X/KX-NS5174SX
8 Troubleshooting Guide
The card doesn't work.
Check for short of the
power supply.
(The power supply should be OFF.)
Check for short
circuit of F300 and F301.
SHORT
OPEN
Replace the defective parts.
OK
OK
NG
NG
Check the test
land between [+3.3V]
and [GND].
OK
Resolder the defective parts.
Check the 
soldering of terminal of 
IC200A-O.
NG
Resolder the defective parts.
Check the 
soldering of terminal of
IC300.
NG
Check the 
test land between 
TP1-16 and GND.
Refer to "5.2.11. 
Power Supply Voltage 
Generator - VBAT 
converter"
Replace the 
defective parts.
NG
OK
END
OK
Replace the defective parts.
Check D201A-P.
NG
OK
Check the external DC/DC converter components
for VBAT.
Refer to "5.2.11. Power Supply Voltage Generator 
- VBAT converter ".
15
KX-NS5173X/KX-NS5173SX/KX-NS5174X/KX-NS5174SX
The bell of SLT does not ring.
END
OK
NG
Check the test land 
between TP1-16 and GND.
Refer to "5.2.11. Power Supply Voltage 
Generator  - VBAT converter".
Check the external DC/DC converter components for VBAT.
Refer to "5.2.11. Power Supply Voltage Generator  
- VBAT converter ".
Replace the 
defective parts.
NG
OK
OK
Check D201A-P.
OK
Check soldering of terminal of IC200A-O.
OK
Replace the IC200A-O.
NG
NG
Replace the defective parts.
Resolder the defective parts.
Confirm bell signal(AC 70 to 80V)
between IC200A-O_1pin and 59pin, 
IC200A-O_46pin and 48pin. 
NG
Check soldering of 
terminal of IC200A-O.
NG
Check R206, 208, 207, 209, 200, 201,
D202, 203, C207, 208, 201, 202, 200.
NG
Replace the defective 
parts.
OK
Replace the IC200A-O.
OK
Resolder the defective parts.
16
KX-NS5173X/KX-NS5173SX/KX-NS5174X/KX-NS5174SX
SLT cannot make a call.
END
OK
NG
Measure the 
voltage between T 
and R(V_TR)  when handset 
is ON-HOOK. Is it 
about 30V ?
Check the external DC/DC converter components 
for VBAT.
Refer to "5.2.11. Power Supply Voltage Generator
  - VBAT converter "
NG
OK
OK
Check D201A-P.
OK
Check soldering of terminal 
of IC200A-O.
OK
Replace the IC200A-O.
NG
NG
Replace the 
defective parts.
Resolder the 
defective parts.
NG
Check soldering of terminal of IC200A-O.
NG
Check the test land between .
VBAT (a-x) and GND.
TP1-16 = 28 `32V at ON-HOOK mode.
NG
OK
Check R206, 208, 207, 209, 200, 201,
D202,203, C207,208, 201, 202, 200.
NG
Replace the 
defective parts.
OK
Check soldering of terminal of IC200A-O
NG
OK
Replace the IC200A-O.
OK
Resolder the defective parts.
Replace the IC200A-O.
OK
Replace the 
defective parts.
Resolder the 
defective parts.
Measure the 
voltage between T 
and R(V_TR) when handset 
is OFF-HOOK.
Is it about 8V-20 ?
However, V_TR is dependent 
on impedance of the 
connected SLT. 
Page of 53
Display

Click on the first or last page to see other KX-NS5173XSX / KX-NS5174XSX service manuals if exist.

RANDOM: