Sanyo LCD-47XR9KH Service Manual page 19

2 2.3. N 2.3. No sound o so nd
Check the voltage of
N203 pin1, 3, 10, 12,
19, 20
no
Check power board
yes
Check the wave of
pin 5, 6 of N203
no
Check the wave of
N602 pin 24
no
Check the wave of
TUNER601 pin 11
no
Check TUNER601
and its periphery erip p h pher
17
yes
Check N203 and
its periphery
yes Check N304 and
its periphery
yes
Check N602 and
its periphery