Panasonic KX-HDV230RU Service Manual ▷ View online
33
KX-HDV230 Series
9.3.
Handset Does Not work
9.3.1.
Receive
9.3.2.
Send
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: L402,L403,D407,D408
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,
Handset
*Refer to 10.2 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,Handset
Related parts: C411,C413,L401,L404,C407,C409,
R413,R409,C414,C418,C423,C424,R411,
R412,D405,D406,C415,C416,C412,R407,
L416,R408,R415,C408,R410
R412,D405,D406,C415,C416,C412,R407,
L416,R408,R415,C408,R410
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Can it hear any sound from handset microphone?
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
*Refer to 10.2 Assembly for Lead wire.
34
KX-HDV230 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?
Can it hear any sound from headset speaker?
Related parts: D401,R403,C403,C498,C499
No
Yes
Yes
Check the solderling.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
END
Related parts:Headset Jack.
No
Confirm the Headset communication.
Can it hear any sound from headset speaker?
Can it hear any sound from headset speaker?
*Refer to 10.2 Assembly for Lead wire.
Confirm the Headset communication.
Can it hear any sound from headset microphone?
Can it hear any sound from headset microphone?
Related parts: D402,R405,C405,C404,R406,
C412,R407,L415,R402,R404,C406,
C468
C412,R407,L415,R402,R404,C406,
C468
No
Yes
Yes
Check the solderling.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
END
Related parts: Headset Jack.
No
Confirm the Headset communication.
Can it hear any sound from headset microphone?
Can it hear any sound from headset microphone?
*Refer to 10.2 Assembly for Lead wire.
35
KX-HDV230 Series
9.5.
Speaker-Phone Does Not work
9.5.1.
Receive
9.5.2.
Send
No
Yes
No
Yes
END
Related parts: L410,L411,C430,C431,L405,L406,
R416,R417,L420,L421
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?
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 10.2 Assembly for Lead wire.
No
Yes
No
Yes
END
Related parts: Microphone. (MIC1)
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: D413,D414,R414,R401,C432,C433,
R421,R422,C438,C439,C440,C441,
R423,R424,C469,C470
R423,R424,C469,C470
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
36
KX-HDV230 Series
9.6.
EHS does not work(EHS control signal)
Note:
Refer to waveform (14) - (21) in Waveform (P.54)( P.55)
No
Yes
Yes
Yes
No
No
No
Yes
END
Yes
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
Relatedparts:L501,C503,C506,IC503(16pin)
PC501(1pin),R536,R504,Q502
Measure the voltage at EHS 3.3V blocks.
Is it 3.3V?
Measure the voltage at Pin6 of PC503.
Is it 5V?
Relatedparts:PC503
Relatedparts:PC502,IC503,R508,Q523,
R502,D502,D503
Measure the EHS_DET voltateat Pin13 of
IC503.Is it 0V(plugged the EHS cable into the jack)?
Confirm the I2C waveform and ASIC_CLK.
See the communication waveform(14),(15)*.
Relatedparts:IC503,IC101,R148,R149,R150,
R153,R154,L104,R141,R194
Confirm the secondary side of EHS
communication waveform .
See the communication
waveform(16),(17),(18)*.
Relatedparts:IC503,R505,PC504,Q502,R531,
R504,PC503,R536,Q507,Q501,
R516,R517,PC501
R516,R517,PC501
(plantronics EHS) See the PSB_IN/OUT signal
(Jabra EHS) See the JABRA_UTX/URX signal
(Jabra EHS) See the JABRA_UTX/URX signal
Confirm the primary side of EHS
communication waveform.
See the communication
waveform(19),(20),(21)*.
Relatedparts:JK502,R534,R541,R523,D503,
R502,D502,D503,Q523,R509,
R533,Q504,R508,R515,PC501,
PC502,PC503,PC504,C502,C507
R533,Q504,R508,R515,PC501,
PC502,PC503,PC504,C502,C507
Confirm the EHS communication.
Can it hear any sound from EHS headset?
Relatedparts:EHSheadset and base,EHS
cables(voice,control)
cables(voice,control)
No
No
No
Yes
Yes
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