G
Greg
Guest
Sound ok, but image after 1 hour !
???
Help, please
:-]
Greg
???
Help, please
:-]
Greg
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Sound ok, but image after 1 hour !
???
Help, please
:-]
Greg
How about some information as to the problem. Way too little detail.
Greg <crf34@wanadoo.fr> wrote in message
news:bm9tbt$5fm$1@news-reader3.wanadoo.fr...
Sound ok, but image after 1 hour !
???
Help, please
:-]
Greg
Have you troubleshot the circuits that can cause video blanking yet?
AKB, Vertical, Horizontal return pulse, Clock and data all ok from Jungle
ic.
I would bet that the picture tube is simply weak from age and the AKB
circuit cannot compensate, very common on older Sony sets, 4 to 11 years
old.
If you slightly turn up the G2 voltage to the tube, after marking its
exact
position before moving it, and the picture suddenly pops back on, you can
about bet the picture tube is the fault and the fix is to replace the
tube.
David
Greg <crf34@wanadoo.fr> wrote in message
news:bmb9e8$cir$1@news-reader5.wanadoo.fr...
No other info...
Just that I have immediately the sound, but I have to wait 1 hour to see
an
image.
On the B3 chassis I checked L304 & L305, it seems to be ok. The tube is
on
immediately, but without image or osd for the menus.
?
Regards.
Greg
"David" <dkuhajda@locl.net.spam> a écrit dans le message de
news:3f88d1fe@news.greennet.net...
How about some information as to the problem. Way too little detail.
Greg <crf34@wanadoo.fr> wrote in message
news:bm9tbt$5fm$1@news-reader3.wanadoo.fr...
Sound ok, but image after 1 hour !
???
Help, please
:-]
Greg
No other info...
Just that I have immediately the sound, but I have to wait 1 hour to see
an
image.
On the B3 chassis I checked L304 & L305, it seems to be ok. The tube is on
immediately, but without image or osd for the menus.
?
Regards.
Greg
"David" <dkuhajda@locl.net.spam> a écrit dans le message de
news:3f88d1fe@news.greennet.net...
How about some information as to the problem. Way too little detail.
Greg <crf34@wanadoo.fr> wrote in message
news:bm9tbt$5fm$1@news-reader3.wanadoo.fr...
Sound ok, but image after 1 hour !
???
Help, please
:-]
Greg