NEC MultiSync FP1370 Service Manual page 91

CONTINUE
NG
T5R1 (FBT), R905, C903, C904, CNCRT and screen wire failure
Check H OSC/DEF/HV circuit (see item 6)
OK
Turn the screen control clockwise
Back raster appear?
NG
Horizontal bar appear?
OK
Check V OSC/DEF circuit (see item 7)
OK
Video amp. circuit failure (see item 2)
NG
CRT failure
7-3