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