3. NO RASTER
NO VIDEO
(POWER INDICATOR
GREEN or ORANGE)
CHECK
POWER INDICATOR
GREEN or ORANGE ?
CHECK
SCREEN CONTROL
KNOB OF FBT
CHECK
VOLTAGE AT
D924 CATHODE (195V)
D925 CATHODE (80V)
IC911 OUT (12V)
IC960 CATHODE
(6.3V)?
CHECK
IC271(MICOM) PIN 5
(5V), IC201 PIN 16
(12V)?
ROTATE SCREEN
CONTROL KNOB TO
CLOCKWISE
TROUBLE IN
IC271 (MICOM),
IC201 (T/BASE), TDA4856
TROUBLE IN
SECONDARY CIRCUIT
OF T901, T902
TROUBLE IN PRIMARY
CIRCUIT OF T901, T902
TROUBLE IN
D-SUB & 5-BNC
SIGNAL CABLE
ORANGE
MIN.
(Counter-clockwise)
GREEN
OK
YES
NO
YES
NO
Summary of Contents for FLATRON 915 FT PLUS
Page 1: ...SERVICE MANUAL LG FLATRON 915FTPLUS MODEL ...
Page 20: ...BLOCK DIAGRAM ...
Page 23: ......