SERVICE MANUAL (BSV-4251 BSV-4251A )
MODEL NAME
DOCUMENT NO
REVISION NO
REVISION DATE
PAGE
Main S/W ON.
-2. No Sound
-3. No Video
3
heck a connective
cable
3
Check Input of AC
(90V ~225V)
Check ST-BY LED ON
Check LED YELL OW
Sub S/W ON
Check a connective condition
and various connect or.
Connect plug with the set.
Check OPEN With
CN806,CN13
C
IC1
rt)
heck the Vs Voltage
5,IC16(PSU Pa
and VSC Part Q30
Shor
t
Check AC Line Fuse
Replace
IC15,IC16,Q30
Abnormal
Abnorma l
Abnormal
Abnormal
Normal
Normal
Normal
C
condition of power
Check voltage
of sound terminal
.
Check Open with
FuseF1 Fuse
Check connection
line of speake
r.
Abnormal Picture
BSV-4251/4251A RD(1)
00
03/10/23
62/75
