NO VIDEO
YES
CHECK
SCREEN CONTROL
CLOCKWISE
YES
CHECK
U201 PIN 2, 6, 11
SIGNAL LEVEL
YES
CHECK
U201 PIN 29, 32, 35
SIGNAL LEVEL
TROUBLE IN U201
CLAMP(PIN 19)
U201 12V VOLTAGE
YES
CHECK
U203 PIN 1, 3, 5
SIGNAL LEVEL
CHECK
CATHODE VIDEO
LEVEL
TROUBLE IN CRT
YES
YES
TROUBLE IN U203
R220, R240, R260
NO
TROUBLE IN U203
8V, 12V, 80V VOLTAGE
NO
NO
TROUBLE IN
R/G/B SIGNAL,
SIGNAL CABLE
NO
REFER
NO RASTER
NO
4. NO VIDEO
20