Dynex DX-32L150A11 Service Manual page 21

3. no sound (take TV as an example)
No sound
Y
Check if the voltage of
X602 pin4/pin5
normal?
N
Check the power board
TROUBLESHOOTING GUIDES
Check if there is wave
Y
inputted to NV03
is
pin12/pin25?
N
Check if there is wave
outputted from NV01
pin1/ pin7?
N
Check if wave output
from NS01pin63/pin64
is normal?
N
Is there 4.5M wave
inputted from NS01
pin51/pin52?
Y Check NV03 and its
peripheric circuit
Y
Check NV01 and its
Y
peripheric circuit
Y
Check NS01 and its
peripheric circuit
20