LG Flatron 795FT Plus (FB795E-UA) - Page 19

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3. NO RASTER
NO VIDEO
(POWER INDICATOR
GREEN or AMBER)
CHECK
POWER INDICATOR
GREEN or AMBER ?
CHECK
SCREEN CONTROL
KNOB OF FBT
CHECK
VOLTAGE AT
D912 CATHODE (190V)
D928 CATHODE (80V)
IC904 OUT (12V)
D906 CATHODE
(6.3V)?
CHECK
IC401 (MICOM) PIN 6
5V (HIGH), IC701 PIN 29
12V (HIGH)?
ROTATE SCREEN
CONTROL KNOB TO
CLOCKWISE
TROUBLE IN
IC401 (MICOM),
IC701
TROUBLE IN
CDT SOCKET, BOARD
TROUBLE IN PRIMARY
CIRCUIT OF T901
TROUBLE IN
P302 SIGNAL CABLE
AMBER
MIN.
(Counter-clockwise)
GREEN
OK
YES
NO
YES
NO