No Sound Of Hdmi Channel - Sanyo PDP-42XS1 Service Manual

4.9 NO SOUND of HDMI channel

Check if the pin7 and pin10 of
N707 have signal input
Check between N601
socket and N707 channel
Check if the pin1 and
pin12 of N707 have
signal input
No
No
No
Check the program
Check if the pin1 and pin3 of N707
have the signal input
No
Yes
Check the peripheral circuit of
N707 and power supply
Yes
Check if the pin1-4 of
N601 have signal input
Yes
Check
circuit of N601 and
power supply
28
Yes
Check the program
the peripheral