DOWNLOAD Panasonic KX-NT511ARUW / KX-NT511ARUB Service Manual ↓ Size: 4.95 MB | Pages: 61 in PDF or view online for FREE

Model
KX-NT511ARUW KX-NT511ARUB
Pages
61
Size
4.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / IP PROPRIETARY TELEPHONE
File
kx-nt511aruw-kx-nt511arub.pdf
Date
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25
KX-NT511ARUW/KX-NT511ARUB
9.5.
Ethernet Does Not work
9.5.1.
PHY Data Error
Note:
Refer to waveform (2), (8)
, 
(9) and (10) in  Waveform (P.41), (P.42).
Connect LAN cables to SwitchingHUB.
Check the soldering.
Resolder or replace parts as needed.
Measure the voltage at Pin5 and Pin22 of IC201.
Is it 3.3V?
Measure the voltage at Pin7 and Pin32 of IC201.
Is it 1.8V?
Measure the 25MOUT signal at Pin14 of IC201.
Is it 25MHz?
See the communication waveform(2).
Confirm the waveform between Pin36 and Pin37 of IC201.
See the communication waveform (7).
Yes
Yes
Related parts: L201, L308
Related parts: L202
Related parts: X1, C101, C102, R108, R110, 
                       R111, L105, IC101
Related parts: IC101, IC201, R101, R102, R217,
                       R218, RA202
Confirm the waveform Pin23 and Pin30 of IC201.
Confirm the waveform Pin26 and Pin29 of IC201.
See the communication waveform (8).
Yes
Related parts: R214, R220, L204, L205, IC201
See the communication waveform (9).
Yes
Related parts: IC201, RA201
Confirm the waveform from Pin17 to 20 of IC201
See the communication waveform (10).
when sending a packet.
Yes
Related parts: IC201, RA101
Yes
END
No
No
No
No
No
No
No
Yes
Related parts: IC201
No
Yes
No
Yes
Check the TEST POINT(ST0-ST3).
See Table-1. (
P.18
)
L2SW initialization Error (No.11) ?
PHY(IC401) is working.
See 9.5.2 LAN port (
P.26
) or
9.5.3 PC port. (
P.26
)
Recheck the TEST POINT(ST0-ST3).
See Table-1. (
P.18
)
Is it L2SW initialization Error (No.11)?
26
KX-NT511ARUW/KX-NT511ARUB
9.5.2.
LAN port
Note:
Refer to waveform (11) and (12) in  Waveform (P.42).
Connect LAN cables to SwitchingHUB.
9.5.3.
PC port
Note:
Refer to waveform (13) and (14) in  Waveform (P.42).
Connect LAN cables to SwitchingHUB.
Check the soldering.
Resolder or replace parts as needed.
Confirm the waveform between LAN1 ans LAN2 land.
Confirm the waveform between LAN3 ans LAN4 land.
See the communication waveform (11)or(12).
Related parts: T2,L203,R203,R204,R209,R210,
                        R211,R212,C209,C210,C255,
                        C256,C202,Flat cable,JK2,R403,
                        R404
END
No
Yes
Check the soldering.
Resolder or replace parts as needed.
Confirm the waveform between PC1 ans PC2 land.
Confirm the waveform between PC3 ans PC4 land.
See the communication waveform (13)or(14).
Related parts: T1,L203,R201,R202,R205,R206,
                       R207,R208,C207,C209,C201,
                       Flat cable,JK2,R401,R402
END
No
Yes
27
KX-NT511ARUW/KX-NT511ARUB
9.6.
LED Does Not Light
Check the soldering.
Resolder or replace parts as needed.
Does SP-PHONE_LED light?
Related parts: IC101,L401,LED406,Q105,
                       R171,R155
No
Yes
Related parts: IC101,LED407,Q105,R172,R156
No
Yes
Does RINGER LED(RED) light?
No
Yes
Does MUTE LED (RED) light?
Does FF1 LED (Function) light?
Related parts: IC101,L401,LED405,Q104,R170,
                       R154
No
Yes
Related parts: IC101,L401,LED401,Q101,R163,
                       R164,R147,R148
END
28
KX-NT511ARUW/KX-NT511ARUB
10 Disassembly and Assembly Instructions
10.1. Remove Main Board and Ope Board
1. Remove the Stand. 
2. Remove 5 Screws (A).
3. Remove the Lower Cabinet.
4. Remove 2 Screws (A).
5. Remove the Main Board.
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