Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 Service Manual ▷ View online
-40-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
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
Check
C6346 =
+5V?
Check F6304
OK?
NG
Change BAA board
OK
OK
Change BAA board
OK
NG
Check “R1056
= +33V?
NG
A
A
OK
3-3-1. TUNER PROBLEM
-41-
KLV-26,32 NX400(S/B), 32,40 NX500
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
OK
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
3-3-2. VIDEO 1 Problem
-42-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
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
3-3-3 MONITOR OUT Problem
-43-
KLV-26,32 NX400(S/B), 32,40 NX500
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
3-3-4. VIDEO 2 Problem
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