DOWNLOAD Sony KLV-32EX330 / KLV-40EX430 Service Manual ↓ Size: 6.99 MB | Pages: 82 in PDF or view online for FREE

Model
KLV-32EX330 KLV-40EX430
Pages
82
Size
6.99 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-32ex330-klv-40ex430.pdf
Date
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Sony KLV-32EX330 / KLV-40EX430 Service Manual ▷ View online

KLV-32EX330/40EX430(CH)
41
START
Speaker
Check
Speaker Impedance
at SP Connector
Change F6005
Check 19.5V_ADAPT
at F4000
Change F4000
IC4002 damage. 
Change B*Board
NG
OK
NG
Check 19.5V_ADAPT
at F6005 
on B* Board
NG
OK
OK
Check D4000
and D4001
Change 
D4000 or D4001 
NG
Check FB4014 
and FB4015 
OK
NG
Change 
FB4014 or FB4015
OK
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
2) 3 times blinking (Audio Error)
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
42
START
Check PANEL_VCC_SW
on  B* Board:
• BWM – Pin 1 CN8700
• BFM – Pin 51 CN8900
Troubleshoot
+12V DDCON
Remove and reinsert LVDS Flat
Flexible Cable (FFC) at Panel and
B* Board sides
Replace LVDS Flat Flexible
Cable (FFC)
Replace B* Board
B* Board Issue
Incorrect FFC
Insertion
LVDS Flat Flexible
Cable Issue
+12V is OK 
Replace
O-Cell  or Panel Module
END
O-Cell Issue
No +12V
Note :  
PANEL_VCC_SW =  12V±1V  
TV Boot Up
Normally
5x Blinking is Still 
Observed
5x Blinking is Still Observed
5x Blinking is Still Observed
5x Blinking is Still Observed
TV Boot Up
Normally
TV Boot Up
Normally
TV Boot Up
Normally
* O-Cell or 
Panel Module 
change is 
depend to 
service 
capabilities 
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
3) 5 times blinking (Panel Power Error)
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
43
6x blinking
Yes
Able to repair 
Panel Module
Change B Board
No
Replace LS Bar*
Symptom gone
B* board
6x blinking
Change Panel Module
Change Harness
Harness
Symptom gone
6x blinking
*
To avoid changing all LS bar, please follow steps below 
(1)Turn off AC
(2)Unplug DC adaptor from DC jack
(3)Plug in DC adaptor to DC jack
(4)Turn on AC
(5)LS bar will turn on for ~4s before 6x blinking
(6)Observe which LS bar cannot turn on during power on
(7)Replace LS bar that failed to turn on
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
4) 6 times blinking (Panel ID NVM Error)
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
44
Audio Problem
Main Speaker No Sound
HP Out No Sound
*V1, V2/D1 or 
PC/HDMI analog
no sound?
Analog RF
no sound?
HDMI Audio
no sound?
USB Audio
no sound?
Refer “Main Speaker 
No Sound”
* V1 = Video1, V2 = Video2, 
D1 = Component1
Refer “HP Out 
No Sound”
Refer “Analog Audio 
Input 
No Sound”
Refer “Analog RF 
No Sound”
Refer “HDMI Audio 
No Sound”
Refer “USB Audio 
No Sound”
3-6. AUDIO PROBLEM
TROUBLE SHOOTING
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