DOWNLOAD Panasonic KX-NT630RU-B Service Manual ↓ Size: 5.11 MB | Pages: 62 in PDF or view online for FREE

Model
KX-NT630RU-B
Pages
62
Size
5.11 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt630ru-b.pdf
Date
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Panasonic KX-NT630RU-B Service Manual ▷ View online

33
KX-NT630 Series
9.4.
Headset Does Not work
9.4.1.
Receive
9.4.2.
Send
Confirm the Headset communication.
Can it hear any sound from headset speaker?
Related parts: R4004,D4003,C4006,C4018
(Main PCB)
Flat Cable
(Between Main PCB and Sub PCB)
No
Yes
Measure the voltage at Pin B3 of Flat Cable.
.Is it 3.3V?
Related parts: R4009,R4010,C4016,C4005,D4002,
R4003,D4001,L4001,R4041,
R4036(Main PCB)
JK4001(Sub PCB)
Yes
Check the soldering.
Resolder  or replace parts as needed.
END
Yes
Related parts:JK4001(Sub PCB)
No
No
Confirm the Headset communication.
Can it hear any sound from headset speaker?
*Please refer to 10.2 Assembly for Lead wire.
Confirm the Headset communication.
Can it hear any sound from headset microphone?
Related parts: 
No
Yes
Related parts: 
R4003,D4002,C4005,C4020,R4016,
R4009,R4010,C4016(Main PCB)
Flat Cable
(Between Main PCB and Sub PCB)
R4009,R4010,C4016,C4005,D4002,
R4003,D4001,L4001,R4041,
R4036(Main PCB)
JK4001(Sub PCB)
Yes
Check the soldering.
Resolder or replace parts as needed.
END
No
Measure the voltage at Pin B3 of Flat Cable.
Is it 3.3V?
Yes
Related parts: JK4001(Sub PCB)
No
Confirm the Headset communication.
Can it hear any sound from headset microphone?
*Please refer to 10.2 Assembly for Lead wire.
34
KX-NT630 Series
9.5.
Speaker-Phone Does Not work
9.5.1.
Receive
9.5.2.
Send
No
Yes
No
Yes
END
Related parts: L4001,L4002,C4011,C4012,L4005,
L4006,L4007,L4008
Related parts: Speaker, Speaker-cable.
Confirm the Speakerphone communication.
Can it hear any sound from speakerphone speaker?
Confirm the waveform between CL_SPP and CL_SPM.
Is there any waveform?
  Check the soldering.
  Resolder or replace parts as needed.
*Please refer to 10.2 Assembly for Lead wire.
No
Yes
No
Yes
END
Related parts: Microphone. (MIC4001)
Confirm the Speakerphone communication.
Can it hear any sound from speakerphone 
microphone?
Confirm the Speakerphone communication.
Can it hear any sound from speakerphone 
microphone?
Related parts: D4010,D4011,R4017,R4018,R4019,
C4029,R4020,R4021,C4030,C4031,
C4033,C4034,R4029,R4030
  Check the soldering.
  Resolder or replace parts as needed.
35
KX-NT630 Series
9.6.
Ethernet Does Not work
9.6.1.
L2SW Data error
Note:
Refer to waveform (12),(13) in  Waveform (P.50) .
Check the soldering.
  Resolder or replace parts as needed.
Measure the voltage at Pin.
TP:L2_VDDH,L2_VDDP,L2_VDDR,L2_VDDA
Is it 3.3V?
Measure the voltage at Pin.
TP:L2_VDDL,L2_VDDS,L2_VDD
Is it 1.1V?
Measure 25MOUT signal at Pin B22 of IC2001.
 
Is it 25MHz?
See the communication waveform(12)*.
Confirm the waveform(MDIO/MDCLK)
See the communication waveform(13)*.
Yes
Yes
Related parts: 
Related parts: 
R3027,L2001,L2002,L2003,L2005,
C2003,C2004,C2006,C2008,C2010,
C2011,C2014,C2015,C2018-C2020,
C2022,C2015-C2027,C2029,
C2032-C2034,C2036
L2004,L2006,L2007,C2005,C2007,
C2009,C2012,C2013,C2016,C2017,
C2021,C2023,C2024,C2028,C2030,
C2031,C2035,C2037,C2038
Related parts: IC1001,L1006,R1046,C1039
Related parts: IC1001,IC2001,R1065,R1066,R2017,
                       R2018
Yes
Are Ethernet communication interfaces available?
Related parts: Switching HUB,Ethernet Cable
See 9.6.2 LAN port. 
See 9.6.3 PC port. 
 
Yes
END
No
No
Confirm the PHY_RST signal.
the L2SW reset signal(PHY_RST) is released
(HI level)?
Yes
Related parts: R1018,C2001,IC1001
No
No
No
No
Yes
36
KX-NT630 Series
9.6.2.
LAN port
Note:
Refer to waveform (14) - (19) in  Waveform (P.50, P.51) .
9.6.3.
PC port
Note:
Refer to waveform (14) - (19) in  Waveform (P.50, P.51) .
Check the soldering.
  Resolder or replace parts as needed.
Confirm the waveform Pin 1-8 of JK2002.
See the communication waveform(17),(18),(19)*.
Related parts: IC2001,T2002,C2045
END
No
Yes
Confirm the waveform Pin 1-12 of T2002.
See the communication waveform(14),(15),(16)*.
Related parts: JK2002,L2009-L2012,R2047,
R2048,R2037,R2039,R2042,
R2044,C2055,C2057,C2061,
C2062
No
Yes
Check the soldering.
  Resolder or replace parts as needed.
Confirm the waveform Pin 1-8 of JK2001.
See the communication waveform(17),(18),(19)*.
Related parts: IC2001,T2001,C2044,D2001
END
No
Yes
Confirm the waveform Pin 1-12 of T2001.
See the communication waveform(14),(15),(16)*.
Related parts: JK2001,R2035,R2036,R2038,
R2041,C2056
No
Yes
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