Sanyo LCD-22XR9DA, Service Manual

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2.3 Picture, but no sound
Check if PIN6, 7 of N408
is high voltage?
Check if V406 base is
low voltage Replace N214
Check the wave of
N101 pin76,77
Replace N214
Replace V406
yes no
Replace V408
yes no
Replace N101
Check if V408 base
is low voltage
Check the wave of
PIN4,12 of N408
Replace N408
yes yes
no
no
yes
yes
3
0