Panasonic KX-NSX1000 / KX-NSX2000 (serv.man2) Service Manual ▷ View online
17
KX-NSX1000/KX-NSX2000
6 Installation Instructions
6.1.
System Components
Refer to the concerned pages of Installation Manual (See 17. Appendix ((Installation Manual P.2-16).)
6.2.
System Components Diagram
Refer to the concerned pages of Installation Manual (See 17. Appendix ((Installation Manual P.35-36).)
7 Operating Instructions
7.1.
System Capacity
Refer to the concerned pages of Installation Manual (See 17. Appendix ((Installation Manual P.38-52).)
8 Test Mode
8.1.
Utility
Refer to the concerned pages of PC Programming Manual (See 17. Appendix ((Installation Manual P.101-141).)
18
KX-NSX1000/KX-NSX2000
9 Troubleshooting Guide
9.1.
First checking
Power On
ALL LEDs ON
Yes = Power input is normal
No
BATT ALARM
LED OFF
Status LED
Green ON
Yes = FPGA Startup complete
Yes = BIOS Startup complete
Status LED
Green Blinking
Yes = OS/PBX Startup complete
Normal Start
No
No
No = Status LED is Red ON
Check Power Supply Unit & DC Power Circuit
Check FPGA (IC17)
Check COM Express module
Check the system log
Connect the PC to the MNT port.
System login by Web maintenance console.
Check the Error Log and refer to the Error Code.
System login by Web maintenance console.
Check the Error Log and refer to the Error Code.
Open the Top cover.
Count the number of flashes of blue LED on the
COM Express module.
Count the number of flashes of blue LED on the
COM Express module.
STATUS
BATT
ALARM
SYSTEM
MODE
1sec
7sec
Flashing
Flashing
19
KX-NSX1000/KX-NSX2000
9.2.
Power Supply Unit & DC Power Circuit
Start
Open the top cover
Disconnect the FAN cable and DC power cable from the motherboard
Remove the Mother board form the chassis
Disconnect the FAN cable and DC power cable from the motherboard
Remove the Mother board form the chassis
Preparation
Power Supply Unit
+15V output OK?
Yes
No
Check Mother board
F1 is Open ?
Yes
Replace F1
No
End
Check DC Power Circuit
Check Power Supply Unit
Remove
short-circuit
Use a Digital Multimeter
Measure the resistance value between digital ground and Voltage test point.
Measure the resistance value between digital ground and Voltage test point.
20
KX-NSX1000/KX-NSX2000
9.3.
DC Power Circuit
Start
Preparation
Open the top cover
Power on
Use a digital oscilloscope
Power on
Use a digital oscilloscope
DC/DC IC21
+12V OK?
DC/DC IC22
+3.3V OK?
DC/DC IC33
+5.0V OK?
DC/DC IC38
+3.3V OK?
DC/DC IC23
+2.5V OK?
DC/DC IC26
+1.2V OK?
Repair IC22
related circuit
Yes
No
Repair IC33
related circuit
No
Repair IC38
related circuit
No
Repair IC21
related circuit
Yes
No
Yes
Repair IC23
related circuit
No
Yes
Repair IC26
related circuit
No
Yes
Check each voltage accuracy and ripple noise
(See waveform No.011 ~ No.019)
(See waveform No.011 ~ No.019)
DC/DC IC25
+5.0V OK?
DC/DC IC30
+1.8V OK?
DC/DC IC31
+1.0V OK?
End
Repair IC25
related circuit
No
Yes
Repair IC30
related circuit
No
Yes
Repair IC31
related circuit
No
Yes
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