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)
45
OK
OK
Audio UI Setting, ok?
Main Spk No Sound
Spk Wire, 
Connector, ok?
Spk Impedance 
7~8ohm, ok?
CL4000,CL4001
CL4002,CL4003 ~1.6Vdc
NG
Correct UI
Change spk 
wire
Change main 
spk
Change BWM/BFM Board
NG
NG
OK
OK
OK
NG
NG
Refer “Standby LED 
Blink”
L4000, L4001, 
L4002, L4003  ~ 0.9Vdc, ok?
Amp IC NG
Amp IC / Main 
IC NG
A
NG
OK
OK
NG
Change  
F4000
Check D4000 and D4001 
Check FB4014 and FB4015 
OK
OK
Check 19.5V_
ADAPT at  F6005 
on B* Board?
Change  D4000 or 
D4001
Change  FB4014 
or/and FB4015
F4000
Ok?
NG
NG
A
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
1) Audio Problem - Main Speaker No Sound
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
46
HP Out No Sound
HP cable, 
ok?
RB5004 x_audio_mute2, 
~ 3.3Vdc
R3073 ~ 3.3Vdc, ok?
(when insert HP)
Change HP 
cable
Detection NG
Main IC NG
Change B* Board
OK
OK
NG
NG
NG
OK
Analog audio input 
no sound
Audio RCA cable, 
ok?
Audio analog source, 
ok?
Change RCA 
cable
Change audio 
source
Change B* Board
NG
OK
NG
OK
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
2) Audio Problem - HP Out No Sound
3) Audio Problem – Analog Audio Input No Sound
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
47
HDMI Audio input 
no sound
HDMI cable, 
ok?
HDMI source, 
ok?
Change 
HDMI cable
Change HDMI 
source
NG
OK
NG
Change B* Board
OK
*HDMI sound 
format ok?
Change to supported 
format
OK
NG
* Please refer to IM for supported HDMI
audio format.
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
4) Audio Problem –HDMI Audio No Sound
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
48
Analog RF input no 
sound
RF cable, 
ok?
RF source, 
ok?
Change RF 
cable
Change RF 
source/channel
Raster sound, 
ok?
Refer “Speaker 
No Sound”
Tuning, 
ok?
Refer  “Tuner 
Problem”
UI setting, ok?
(TV System, AFT, Audio Filter)
Correct UI
Change B* Board
NG
OK
NG
OK
NG
NG
NG
OK
OK
OK
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
5) Audio Problem – Analog RF no sound
TROUBLE SHOOTING
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