Sony KLV-32EX330 Service Manual page 31

Troubleshooting
$XGLR 3UREOHP ; %OLQNLQJ IRU $XGLR (UURU
OK
Spk Impedance
7~8ohm, ok?
OK NG
Change main
Change spk
spk spk
wire wire
TV 3x blinking TV 3x blinking
Remove spk
connector (CN4000), ok?
NG
F6005
Ok?
OK
F4000 OK?
OK
Check D4000 and D4001
OK
Check FB4014 and FB4015
B
./9 (;
B
L4000, L4001, L4002 &
L4003 impedance to ground.
Low Z
NG
(<100Kohm)
Output short to GND
/ Amp IC NG / Amp IC NG
NG
NG
NG
Change B* Board
(; $ (; % (;
High Z
(>100Kohm)
Amp IC NG
Size B* Board Type
32 32"
40''
(; $ (; %
50 *$
BWM BWM
BFM
31