Mitsubishi Diamond Plus 93SB, Service Manual, Page: 80 / 124

6-5
4. NO VIDEO
NO VIDEO
YES
CHECK
SCREEN CONTROL
CLOCKWISE
YES
CHECK
U201 PIN 5, 6, 7
SIGNAL LEVEL
YES
CHECK
U201 PIN 18, 19, 20
SIGNAL LEVEL
PROBLEM IN U201
CLAMP (PIN 23)
U201 12V VOLTAGE
YES
CHECK
U201 PIN 6, 7, 9
SIGNAL LEVEL
CHECK
CATHODE VIDEO
LEVEL
PROBLEM IN CRT
YES
YES
PROBLEM IN
R255, R235, R215
NO
PROBLEM IN U204
12V, 80V VOLTAGE
NO
NO
TROUBLE IN
R/G/B SIGNAL,
SIGNAL CABLE
NO
REFER TO
“NO RASTER”
ON PAGE
NO