Panasonic KX-NSX1000 / KX-NSX2000 (serv.man2) Service Manual ▷ View online
21
KX-NSX1000/KX-NSX2000
9.4.
FPGA
Start
16.384MHz
Clock signal
is OK ?
Open the top cover
Power on
Use a digital oscilloscope
Power on
Use a digital oscilloscope
Preparation
Reset signal
is inactive ?
FPGA Boot has
been completed ?
End
Repair IC19,X1
related circuit
Yes = Clock signal appears on R691
(See waveform No.033)
No
Repair IC2
related circuit
Yes = IC2-4pin
(BUF_PCIE_RSTn_FPGA) is High Level
(BUF_PCIE_RSTn_FPGA) is High Level
No
Yes = CN1 - A85pin(FPGA_INIT_DONE) is High Level
No
Check SPI Flash Interface circuit
Power OFF to ON
IC20-16pin
DCLK output OK?
Repair IC17
IC20-7pin
CS output OK?
IC20-8pin
Data output OK?
No
No
Yes
Yes
Repair IC20
(See waveform No.071~No.074)
The following signals, can be
observed only immediately after
the power is turned on.
observed only immediately after
the power is turned on.
22
KX-NSX1000/KX-NSX2000
9.5.
COM Express module
Status LEDs
Start
Open the top cover
Power on
Use a digital oscilloscope
Power on
Use a digital oscilloscope
Preparation
PWR_OK signal
Is active ?
Yes = IC36-4pin(PWR_OK) is High Level
(See waveform No.021~No.023)
(See waveform No.021~No.023)
No
COME
LED1 is blinking ?
No
Count the number
of flashes of LED1
Swap COME
End
COME
LED2 ON?
Yes = COME error, Check Status LEDs on COM Express module (See following page)
Yes = Normal operation
No
Repair IC36
related circuit
Exception Code
Error Message
0
NO ERROR
2
NO_SUSCLK
3
NO_SLP_S5
4
NO_SLP_S4
5
NO_SLP_S3
6
BIOS_FAIL
7
RESET_FAIL
8
POWER_FAIL
9
LOW_VIN
10
VCORE
11
VGFX
12
V1P05S
13
VMEM
14
V1P0A
15
V3P3A
16
+P12V_5V
18
CRITICAL_TEMP
19
NO_CB_PWROK
20
NO_HW_PWORK
21
NO_V1P24A_PG
Name
Color
ON/OFF
Function
LED1
Blue
Blinking See Exception Codes Table
LED2 Green
ON
S0: Normal operating conditions
OFF
S3/S4/S5,ECO mode:Standby mode
LED3
Red
ON
Watchdog timed out and Watchdog reset occurred
OFF
Normaloperating conditions
COME Status LED
COME Exception Code
COME Exception Code Blue LED Flashing Case
Exception Code=6 BIOS_FAIL
Exception Code=6 BIOS_FAIL
OFF
OFF
6 times ON
Repeat
23
KX-NSX1000/KX-NSX2000
9.6.
System log
Start
Preparation
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
Error Code = 1
Error Code = 14
Error Code = 20
Error Code = 40
Error Code =
111 or 112
Check DSP Card
Check FAN
Check SSD slot#1
Replace
SSD#1 or SSD#2
Check
L2SW#1,L2SW#2
Yes
Yes
Yes
Yes
Check
COM Express Module
Error Code = 46
Error Code = 49
Error Code = 50
Check DSP Card
Check COME
Check
LANC#1,LANC#2
Check FPGA
Yes
Yes
Yes
Yes
Error Code = 224
Error Code = 124
End
Error Code = 225
Check
L2SW#1,L2SW#2
Check
LANC#1,LANC#2
Check DSP Card
Check DSP Card
Yes
24
KX-NSX1000/KX-NSX2000
Error Code related to hardware failure
9.7.
DSP Card
Error code
System Log
Status LED
Suspected failure location
1
SDRAM bit error
n/a
DSP card
14
FAN Alarm
Red ON
FAN#1, FAN#2
20
Internal storage access error (startup)
Red ON
SSD#1(slot1)
40
Calendar IC failure
n/a
COM Express module
46
Internal storage life is running out
Red ON
SSD#1(slot1) or SSD#2(slot2)
49
Expansion VOIP DSP link error
Red ON
DSP card (Ethernet Interface)
50
L2SW error
Red ON
L2SW#1,L2SW#2
111
PCI bus error
Red ON
COM Express module, LANC#1, LANC#2, FPGA
112
PCI bus Initialization error
n/a
COM Express module
, LANC#1, LANC#2, FPGA
124
LAN interface start up error
n/a
LANC#1,LANC#2, L2SW#1,L2SW#2
224
n/a
DSP card (control bus, TDM bus)
Expansion VoIP-DSP failure
225
Expansion VoIP-DSP boot failure
n/a
DSP card (control bus)
Start
Error code = 1, 49, 224, 225
Error Code = 225
Error Code = 49
Swap DSP Card
Error Log
Disappear ?
Replace New DSP
End
No = It is necessary to inspect the motherboard
Error Code = 224
Yes
Check Control bus
Signal
Check Ethernet
Signal
Check TDM bus
Signal
See waveform No.051 ~ No.054
Repair related circuit
Repair related circuit
See waveform No.061 ~ No.063
Repair related circuit
Repair related circuit
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