TV hasn
’
t sound, but picture is OK
Figure6: Function part (TV hasn
’
t sound)
If ot her source has sound
Check Z702 circuit
Refer to
“
no sound
” maintenance proc ess
TV has n
’
t sound , but pic ture is OK
Figure7: Function part (PC)
Pict ure is not
at the c entre
of sc reen
Perform
“
auto
adjust
”
Miss color pure
color c ast
If R GB input
signal i s OK?
Check RGB
input c ircuit
Check PC-
RGB s ource
Picture jitter
If VS&HS
signal i s
normal ?
If VS&HS
signal i s OK?
Perform
“
auto adjus t
”
or mode not
supported
No si gnal
display ed
If pin1 of N300 is OK?
H:SCART RGB
L:PC-RGB
Check pin1
of N300
network
Chec k pin 4/7/9/12
of N 300 network
Chec k
VS&HS i nput
Circuit
Figure8: Function part (External YPbPr /DVD)
YPbPr/DVD
No s ignal
display ed
Miss color pure
color c ast
If pin1 of N302 is OK?
H:YPbPr
L:DVD
Chec k pin 1
of N 302
netw ork
Chec k pin 4/7/9/12
of N302 netw ork
If YPbPr/DVD input
signal i s OK?
Chec k YPbPr/DVD
input circuit
Chec k YPbPr
source