Toshiba 42WP36P, Руководство по обслуживанию, Страница: 25 / 60

GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
– 27 –
Unusual Teletext Picture
Disappear a
teletext picture
Check a YS signal
at pin 41 of PF01B
YES
OK
Check the RGB
Processor board or
Signal board.
YES
Check at pin105 of
QF01
Check a buffer
circuit (QF09)
OK
Check the HD and
VD signal
At pin 102 and
103 of QF01
Change a M2/TEXT
board.
At pin 38 and
39 of PF01B
OK
Check a inverter
circuit (QF07 and
QF08)
NG
OK
NG
NG
Check the RGB
Processor board or
Signal board.
Color Problem
Check RGB signals
NO
At pin 23, 24 and 25 of
PF01B
Check the RGB
Processor board or
Signal board.
OK
At Pin 112, 113 and 114 of
QF01
Check buffer
circuits of RGB out
(QF10, QF11 and
QF12)
OK
NG
Change a M2/TEXT
board.
NG