Read LG 52LG50DC-UA (CHASSIS:LA84Z) Service Manual online
- 24 -
C
2008
8. HDMI-AUDIO(IN)
Check input connect JK600,J
K601
Can
you se
e the normal
w
a
vef
orm?
Check DDC communication lines
(IC601, IC602)
JK600,JK601 may
have problem. Replace this Jack.
Check the outp
ut of PI3HDMI341AT
R(IC600)_HDMI1/2
Can
you se
e the normal
w
a
vef
orm?
After checking
the Po
w
e
r of this chip,
y
ou should decide to replac
e this or not.
Check HDCP communication lines(IC102)
After checking
the Po
w
e
r of this chip,
y
ou should decide to replac
e this or not.
YES
YES
YES
NO
NO
NO
NO
After checking
the Po
w
e
r & Select Pin & Etc of this
chip,
y
o
u should decide to replace this or not.
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