Sony KLV-22BX300 Service Manual page 61

3-3-1. TUNER PROBLEM
Tuner Problem
Check RF source cable
and antenna
OK
Check
C6346 =
+5V?
OK
Check F6304
OK?
OK
Raster, OK?
OK
Tuning, OK?
OK
A
NG
Change RF cable and antenna
NG
Change BAA board
NG
Change BAA board
NG
NG
Check "R1056
= +33V?
NG
Change BAA board
-60-
KLV-26,32 NX400(S/B), 32,40 NX500
A
Check LVDS
harness
connection
between BAA
board, OK?
OK
OK
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
RM-GA018
Reconnect LVDS cable
NG
or change new LVDS
cable