DOWNLOAD Panasonic KX-HDV430 Service Manual ↓ Size: 9.18 MB | Pages: 79 in PDF or view online for FREE

Model
KX-HDV430
Pages
79
Size
9.18 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / SIP PHONE
File
kx-hdv430.pdf
Date
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Panasonic KX-HDV430 Service Manual ▷ View online

33
KX-HDV430 Series 
9.2.
Color LCD with Touch Panel Does Not Operate
9.2.1.
Color LCD Not Operate
Note:
Refer to waveform (11), (12), (13), (14) in Waveform (P.57)
Yes
No
No
Yes
END
Measure the voltage Pin4 of CN1.
Is it 3.3V?
Confirm the LCD display.
Is it working?
Related parts: CN1,L102,C192,C193,C181,C189,
 C190
Related parts: CN1, Color LCD Module.
No
Yes
Confirm the waveform Pin5-28,30,32,33,34 of 
CN1. See the communication 
wavefome(11),(12),(13),(14)*.
and LCD_EN (pin31 of CN1)is Hi?
Related parts: CN1,IC601
R621,R623,R624,R629,R630,R679,
R625-R628,R6026-R6029,R170,R177,
L102,L602,R609-R612,
C610,C611,C613-C617,C620-C625,
C629-C634,C637
  Check the soldering.
  Resolder or replace parts as needed.
34
KX-HDV430 Series 
9.2.2.
Touch Panel Not Operate
Note:
Refer to waveform (15), (16) in Waveform (P.57)
Yes
No
No
Yes
END
Disconnect the Color LCD module. 
Confirm the TPX1(T17),TPX2(P13),TPY1(R18) and 
TPY2(T18) of IC101.
     TPY1,TPY2 : Low
     TPX1,TPX2 : Hi
Confirm the touch panel operate.
.
Is it working?
Related parts: IC101
Related parts: Color LCD  module 
No
Yes
Connect the Color LCD module. and touch the 
screen.
Confirm the TPX1(T17),TPX2(P13),TPY1(R18) and 
TPY2(T18) of IC101.
See the communication waveform(15),(16).
Related parts: CN1,R431
  Check the soldering.
  Resolder or replace parts as needed.
35
KX-HDV430 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?
No
Yes
END
Related parts: L402,L403,D407,D408,IC101
Confirm the Handset communication.
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.
No
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Yes
Yes
No
END
Related parts: Handset Jack,Curl cord.
Related parts: C411,C413,L401,L404,C407,C409,
 R413,R409,C414,C418,C423,C424,R411,
 R412,D405,D406,C415,C416,C412,R407,
 C422,R408,R415,C408,R410,IC101
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
  Check the soldering.
  Resolder or replace parts as needed.
*Refer to 10.3. Assembly for Lead wire.  
36
KX-HDV430 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: D401,R403,C403,C498,IC101
No
Yes
Yes
Check the solderling.
Resolder  or replace parts as needed.
END
Related parts:Headset Jack.
No
Confirm the Headset communication.
Can it hear any sound from headset speaker?
*Refer to 10.3. Assembly for Lead wire.  
Confirm the Headset communication.
Can it hear any sound from headset microphone?
Related parts: D402,R405,C405,C404,R406,
                       C412,R407,C422,R402,R404,C406,
                       C468
No
Yes
Yes
Check the solderling.
Resolder or replace parts as needed.
END
Related parts: Headset Jack. 
No
Confirm the Headset communication.
Can it hear any sound from headset microphone?
*Refer to 10.3. Assembly for Lead wire.  
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