Panasonic KX-HDV100RU / KX-HDV100RUB Service Manual ▷ View online
25
KX-HDV100RU/KX-HDV100RUB
9.3.
Handset Does Not work
9.3.1.
Receive
9.3.2.
Send
9.3.3.
Speaker-Ringer Does Not Work
Yes
No
Confirm the Handset communication.
Can it hear any sound from handset speaker?
Can it hear any sound from handset speaker?
No
Yes
END
Related parts: L305,L306, D303, D304.
Confirm the Handset communication.
Can it hear any sound from handset speaker?
Can it hear any sound from handset speaker?
Related parts: Handset Jack, Curl cord.
*Refer to 10.3 Assembly for Lead wire.
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
No
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Can it hear any sound from handset microphone?
Yes
Yes
No
END
Related parts: Handset Jack, Curl cord.
Related parts: C345, C347, C351-C355, C357,
C358, C381, C382, C391, C392,
L310, L311, R310-R316, D309,
D310.
C358, C381, C382, C391, C392,
L310, L311, R310-R316, D309,
D310.
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Can it hear any sound from handset microphone?
*Refer to 10.3 Assembly for Lead wire.
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
No
Yes
No
Yes
END
Related parts: L301, L302, C375, C376, L312,
L313.
Related parts: Speaker, Speaker-cable.
Confirm the Speakerphone communication.
Can it hear any sound from speakerphone speaker?
Can it hear any sound from speakerphone speaker?
No
Yes
Measure voltage at Pin P15, N15 of IC302.
Is it +3.3V?
Is it +3.3V?
Related parts: C323, C324.
Confirm the waveform between CL_SPP and CL_SPM.
Is there any waveform?
Is there any waveform?
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
*Refer to 10.3 Assembly for Lead wire.
26
KX-HDV100RU/KX-HDV100RUB
9.4.
Ethernet Does Not work
9.4.1.
PHY Data error
Note:
Refer to waveform (2),(5),(8) in Waveform (P.38), (P.39).
Check the soldering.
Resolder or replace parts as needed.
Measure the voltage (Between Pin14 of IC203 and DGND).
Is it 3.3V?
Is it 3.3V?
Measure the ECLK signal at Pin32 of IC203.
Is it 25MHz?
See the communication waveform(2)*.
See the communication waveform(2)*.
Confirm the waveform(Between Pin15 of IC203 and
PinJ1 of IC302).
See the communication waveform (5)or(8)*.
PinJ1 of IC302).
See the communication waveform (5)or(8)*.
Yes
Related parts: R215, C220,C223,C261.
Related parts: R108,R109,L105.
Related parts: R247.
Yes
Confirm the waveform at Pin9 and 10 of IC203,
when receiving a packet.
See the communication waveform (8)*.
when receiving a packet.
See the communication waveform (8)*.
Related parts: R245,R246.
Confirm the waveform at Pin16 and 17 of IC203
when sending a packet.
See the communication waveform (5)*.
when sending a packet.
See the communication waveform (5)*.
Yes
Related parts: R402,R403,IC203.
END
No
No
No
No
No
Yes
Yes
27
KX-HDV100RU/KX-HDV100RUB
9.4.2.
LAN port
Note:
Refer to waveform (6),(7),(9),(10) in Waveform (P.39), (P.40).
9.5.
LED Does Not Light
Check the soldering.
Resolder or replace parts as needed.
Confirm the waveform between Pin1 and 2 of JK1.
See the communication waveform (6)or(7)*.
See the communication waveform (6)or(7)*.
Confirm the waveform between Pin3 and 6 of JK1.
See the communication waveform (9)or(10)*.
See the communication waveform (9)or(10)*.
Confirm the waveform between Pin5 and 6 of IC203.
See the communication waveform (9)or(10)*.
See the communication waveform (9)or(10)*.
Yes
Yes
Related parts: IC203, JK1, T1, R256, R257.
Related parts: IC203, JK1, T1, R254, R255.
Related parts: IC203.
END
No
No
No
Yes
Send
Receive
Check the soldering.
Resolder or replace parts as needed.
Does RINGER LED light?
Related parts: D101, Q101, Q104, R106, R188,
R189, L102.
R189, L102.
No
Yes
Related parts: D102, D103, Q102, Q105, Q107,
R113, R114, R133, R190, R191.
R113, R114, R133, R190, R191.
No
Yes
Does LINE 2/P2 LED light?
Does LINE 1/P1 LED light?
Related parts: D104, D105, R193, Q103, R192,
Q106, R107, R134, Q108, R123.
Q106, R107, R134, Q108, R123.
No
Yes
END
28
KX-HDV100RU/KX-HDV100RUB
10 Disassembly and Assembly Instructions
10.1. Remove LED Board, LCD Assy and Main Board
1. Push both Lock Levers and remove the Stand.
2. 2.Remove 5 Screws (A) and remove the Lower Cabinet.
3. Remove both LED Cords with the soldering iron and remove the LED
Board.
Stand
Lock Lever
Lower Cabinet
Upper Cabinet
(A)
(A)
(A)
(A)
(A)
LED Board
LED Cord
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