Sony KLV-32EX600 / KLV-40EX600 Service Manual ▷ View online
– 16 –
KLV-32, 40 EX600
RM-GA018
3-2-8. Flowchart H - USB Audio No Sound
3-2-9. Flowchart I - 3x Blinking For Audio Error
USB Audio
input no sound
USB thumbdrive,
ok?
*USB audio
format, ok?
Change USB
thumbdrive
Change to
supported
format
NG
OK
NG
OK
Change BAA Board
* Please refer to IM for supported USB
audio format.
OK
OK
TV 3x blinking
Remove speaker
connector (CN4000), ok?
Speaker Impedance
7~8ohm, ok?
F4001
Ok?
Change
speaker
wire
Change
main
speaker
High Z
(>100Kohm)
NG
OK
L4004, L4005, L4006 &
L4007 impedance to ground.
Low Z
(<100Kohm)
Check impedance
CN6200 pin1 <-> C4049 (+ve)
CN6200 pin1 <-> C4050 (+ve)
CN6200 pin1 <-> C4050 (+ve)
High Z
(>0ohm)
Low Z
(~0ohm)
NG
OK
NG
B
B
Change BAA Board
Amp IC NG
Output short to
GND / Amp IC
NG
CN6200 pin1, 12.6V ok?
Refer "Standby
LED Blink"
NG
OK
– 17 –
KLV-32, 40 EX600
RM-GA018
3-3-2. TUNER
Picture On Screen
Distorted Or Missing
Backlight
turns ON?
Check LED 6x
times blink?
Refer to Power Troubleshoot (STANDBY LED
BLINK
6x times blinking
Change
BAA board
Tuner, OK?
Video 1, OK?
Monitor Out, OK?
Video 2, OK?
Video 3, OK?
Component, OK?
HDMI, OK?
PC, OK?
Refer "Component
Problem"
Refer "Video 1
Problem"
Refer "Monitor
Out Problem"
Refer "Video 2
Problem"
Refer "Video 3
Problem"
Refer "Tuner
Problem"
Refer "HDMI
Problem"
Refer "PC Problem"
Finish
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
Check Eco
Power Saving
ON?
Refer to IM Eco
Power Saving
Setting
No
Yes
3-3. Video Problem
3-3-1. General
Tuner Problem
Check RF source cable
and antenna
Change BAA board
Raster, OK?
Tuning, OK?
OK
NG
OK
OK
NG
NG
Change RF cable and antenna
Check LVDS
harness
connection
between BAA
board, OK?
Reconnect LVDS cable
or change new LVDS
cable
NG
NG
Change BAA board
OK
Change BAA board
OK
NG
NG
A
A
OK
Check C6346
= +5V?
Check F6304
OK?
OK
Check "R1056
= +33V?
– 18 –
KLV-32, 40 EX600
RM-GA018
Video 1 Problem
Check Video input source
signal or cable.
OK
NG
OK
NG
NG
Video Signal Source Problem or
cable problem
Check LVDS harness
connection between
BAA board.
Reconnect LVDS cable
or change new LVDS
cable
Check Input
jack "J2001"
Check
Video1/Monitor Out
Setting.
Refer to IM Video1/Monitor
Out Setting
NG
OK
OK
Change BAA board
Change BAA board
3-3-3. VIDEO 1
3-3-4. Monitor Out
Monitor Out Problem
Check Video input source signal or cable.
(Tuner mode: Check RF source cable)
Change BAA board
Check video
signal cable.
signal cable.
OK
NG
OK
NG
NG
OK
Signal Source Problem or cable problem
Reconnect Video cable or
change new Video cable
Confirm target
TV OK?
Check
Video1/Monitor Out
Setting.
NG
OK
Target TV problem
Check Input
jack "J2001"
Refer to IM Video1/Monitor
Out Setting
OK
Change BAA board
NG
– 19 –
KLV-32, 40 EX600
RM-GA018
Video 2 Problem
Check Video input source
signal or cable.
OK
NG
NG
Video Signal Source Problem or
cable problem
Check LVDS harness
connection between
BAA board.
Reconnect LVDS cable
or change new LVDS
cable
Check Input
jack "J2001"
NG
OK
OK
Change BAA board
Change BAA board
3-3-5. Video 2
3-3-6. Video 3
Video 3 Problem
Check Video input source
signal or cable.
OK
NG
OK
NG
NG
Video Signal Source Problem or
cable problem
Check LVDS harness
connection between
BAA board.
Reconnect LVDS cable
or change new LVDS
cable
Check Input
jack "J2200"
Check Video3 /
Component Setting.
Refer to IM Video3 /
Component Setting
NG
OK
OK
Change BAA board
Change BAA board
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