NO TELETEXT
NO RASTER
(SOUND OK)
Check the voltage
of ZD701 (5V)
Abnormal
Normal
NG
NG
NG
NG
Check the 5V line
to be correct.
Check if the video signal is
at pin 10 of IC702.
Check the
CVBS line.
Check/Replace
IC702, 703, X701.
Check I
2
C BUS lines.
(SDA, SCL)
Check pin 51, 52, 53 and 54
of IC702.
Check the voltage of
CPT Heater
Check the voltage of
HV and SCREEN of CPT.
Check/Replace
CPT Board.
Check the Heater pulse
at pin 9 of T701.
Check/Replace
T701.
Check/Replace
T701.
Check/Replace
Connector, FR459 and FR901.
Check/Replace IC503.