N
N
N
OK
OK
Y
Y
N
N
=0
V
>0
V
OK
Has video
but no audio
Check
if
the
V
o
lu
m
e
has
se
t
to
“0”
or if the
it
is
m
u
te
Done
Check
the
voltage
of
“Mute”
pin
bes
ide
the
am
p
lifier
IC. It s
h
ould not
be
0V
.
Check
the
m
u
te
circuit
if
it
is
OK.
Done
Fix the m
u
te
circuit
Upgrade
the
so
ftware
Cha
nge
the
m
ai
n
IC
“U41”
Done
Change
the
m
ainboard
Done
Done
Check
the
audio
input
line
&
the
audio
in
p
ut
circuit.
Done
Service Flow Chart
-4
7
-
Summary of Contents for 8M26S
Page 2: ...Content 2 11 17 18 19 20 21 28 29 45 46 49 50 57 ...
Page 3: ...LED 8M26S ...
Page 5: ...40 55 80 For 22 LED For 24 LED For 32 LED ...
Page 6: ... 24 inches is 3W 24 inches is 4 ohm ...
Page 7: ...40 40 3 2 1 4 2 50 0 5 80 40 3 12000 26inches is 8 ohm ...
Page 8: ...40 YES 8 6 46 46 NO NO Standard Spanish Standard 20 ...
Page 9: ...4 2 4 0 40 70 0 40 70 0 40 40 85 Y0 50 30000 ...
Page 14: ...IC Block Diagram 14 U29 4MX16BIT BANKS DDR M13S2561616A 5TG2K ...
Page 18: ... 18 ...
Page 19: ... 19 Main PCB Top Bottom Layer ...
Page 20: ...Main PCB Top Bottom Layer 20 ...
