Dynex DX-32L150A11 Service Manual page 19

2. no picture
N
N
Replace the main
board
TROUBLESHOOTING GUIDES
No picture
Can the unit be operated
by remote control or
keys on the set?
Is there any backlight?
N N
Replace the main
Display OSD normally
board
when
button?
Initialize EEPROM in
N
Y
factory menu, then power
No picture from all
off, check if picture is sources?
normal after restart?
Y
Y
Replace
Y
board
Y
Is there 24V on the
Y
power board?
Y
IF X601 pin4/pin5 on
press MENU
main
high-level
Y
Check
backlight
N
18
the main
N
Check the power board
Y
N
Check the main board
board is
Y
the panel