Sanyo LCD-26XR7 - Editing Channels; Setting Color;Sound System

19
3.3.no sound
Check if PIN2, 8,13 an
d
18 voltage of N405 is
normal?
Check power supply
Check PIN3 an
d
PIN7 output wave o
f
N
405
Check PIN24 wave o
f
N
404
Check PIN11 wave o
f
TUNER401
Check TUNER401 an
d
its periphery
Check N405 and its
p
eriphery
Check NS4 and its
p
eriphery
Check N404 and its
p
eriphery
no
yes
no
yes
yes
yes
no
no