Sony KLV-24EX430 Service Manual ▷ View online
KLV-24 EX430
RM-GA022
Troubleshooting
3-4. Audio Problem
3 4 6 USB
d
3-4-6. USB no sound
USB Audio input
no sound
USB thumbdrive
Change USB
thumbdrive
NG
OK
USB thumbdrive,
ok?
*USB audio
format, ok?
thumbdrive
Change to
supported format
OK
NG
format, ok?
Change B* Board
OK
* Please refer to IM for supported USB
audio format.
Segment
Size
B*
25
Board
Type
P-2L
24
B2FN
KLV-24 EX430
RM-GA022
Troubleshooting
3-5. Video Problem
Picture On Screen
Distorted Or Missing
Check LED 6x
times blink?
Refer to Power Troubleshoot (STANDBY LED
BLINK 6x times blinking
Yes
Backlight
turns ON?
Tuner, OK?
Refer “Tuner
Problem”
Yes
No
No
No
Check Eco
Power Saving
ON?
Refer to IM Eco
Power Saving
Setting
Yes
Change B*
Board
Video 1, OK?
Refer “Video 1
Problem”
Refer “Video 2
Yes
Yes
No
No
Setting
No
Video 2 OK?
Problem”
Refer “HDMI/MHL
Yes
Yes
No
Component, OK?
Refer “Component
Problem”
Video 2, OK?
No
HDMI/MHL, OK?
PC, OK?
Refer “HDMI/MHL
Problem”
Refer “PC
Problem”
Yes
Yes
No
Segment
Size
B*
26
Finish
Yes
g
Board
Type
P-2L
24
B2FN
KLV-24 EX430
RM-GA022
Troubleshooting
3-5. Video Problem
3 5 1 Tuner Troubleshooting Flow
3-5-1. Tuner Troubleshooting Flow
Analog RF input no picture
Check RF source cable
NG
Change RF cable and antenna
Check RF source cable
and antenna, OK?
Check JL1003 =
Ch
B* B
d
OK
NG
+3.3V?
R
t
OK?
Change B* Board
OK
NG
S
t
Si
B*
Raster, OK?
Check LVDS
OK
Segment
Size
B*
Board
Type
P-2L
24
B2FN
Reconnect LVDS cable
or change new LVDS
cable
Tuning, OK?
harness
connection
between B* board,
OK?
OK
NG
NG
27
Change B* board
cable
OK
KLV-24 EX430
RM-GA022
Troubleshooting
3-5. Video Problem
3 5 2 Analog input block diagram
3-5-2. Analog input block diagram
Video1
75ohm
5V
MT5306
IC5000
Component /
Video2
75ohm
5V
I/P detection
PC
75ohm
I2C pull up
HDMI1
HDMI2/MHL
28
Parts Location : B2FN Board
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