Service manual

SERVICE MANUAL (BSV-4251 BSV-4251A )
MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE
3-4. No Sound
IMAGE STICKING CHARACTERISTICS
1) I
The fluorescent substance used in the plasma module loses its brightness with the lapse of lighting time.
on in brightness apprears to be a difference in brightness in relation to the surroundings,
Check
nn
Input PC,DTV Signal
Input DV D Signal
Input Tuner-CVB S,
CVBS,F/H SCART,S-Video
Signal
Input F/SCART RGB
Signal
Check BA7657
U8
Check AD9883
U2
Check Cable
Abnormal
Normal
Normal
Check
MSP3450G
U45
Check
TDA7495S
U14
Check
Input
Jack.
Check
CXA2089Q
Check PW565
RP12~18
Check SiI164
U48
Normal
Check VPC3230 Dual
U39,U41
Abnorma l
Check CX
U3
A2089Q
AbnormalAbnormal
Check BA7657
U28
Abnormal
U3
coector
Spo
eaker t
set.
mage Sticking
This deteriorati
and cornes to be recognized as image sticking.
BSV-4251/4251A RD(1) 00 03/10/23 63/75