![Hisense PDP4220EU Скачать руководство пользователя страница 13](http://html1.mh-extra.com/html/hisense/pdp4220eu/pdp4220eu_service-manual_2138642013.webp)
13
Check problem channel input part circuit diagram
No sound
Note:
Power indicator at the right-bottom corner of the front panel. Normal state :blue; remote command state: bule flickering.
LVDS indicator on the logic processing board. Normal state: yellow flichering.
Press [MENU] to display menu on the screen.
Whether the VGA or HDTV picture display normally.
TV audio?
ok
no
Press mute or stereo button
Black bars on panel
Red(green/blue) line on panel
Red(green/blue) stripe on panel
Big noise from panel
Replace the plasma display module with spare parts
p.LED?
L.LED?
osd?
VGA/HDT
V?
no
ok
No problem
Check other channel?
ok
no
Check tv channel input part circuit diagram
Check audio board connections
/change audio board