29D-FG3RU
REDREDCheck the power circuit consisting of IC701, Q701 IC702, IC703 and Q602.
LED COLOUR ?Power on by R/C.
YesNo
Does horizontal circuit momentary oscillate?
NO RASTER
Check protecter circuit and its related parts (23) pin of IC2001 vertical pulse.
GREENGREEN16-2
Abnormal
Check R621, IC201 and its peripheral parts.
TROUBLE SHOOTING TABLE (Continued)
Normal
Check CRT connector (KY), (H) bias.Check IC850.
Abnormal
Check D501 and R501.
16-1
Abnormal
Check the voltage at pin (6) of IC501.
NO VERTICAL SCAN
Check IC201 and its peripheral parts.
TROUBLE SHOOTING TABLE
NormalNormal
Check vertical trigger pulse at pin (26) of IC201.
Check IC501 and related circuits
16 |