Check RF Ca
ble
Check TP Clock,
Data,
S
y
n
c
R521, R532,
R533
May
be Tuner(
IC500) has problem
s
Check P11
03
#13,
#14,
#2
5,
#26
Y
N
Check Tu
n
e
r 5V Pow
e
r &
Q1105 5V
Re
place Q1105
Y
N
Y
Re
place
IC100 has problems
N
Y
Check L
D5
00 color
Bad Tuner.
R
eplace Tuner.
None
Yellow
.∆
n
one
Check Demod
ulator
Input Clock
X500 (31.87
5MHz),
X501(20.48MHz)
Replace X500
Replace X501
N
Y
Check LCD Module
Control board
Refer to Mo
dule CAS
Wav
e f
o
rm
of
X
5
0
0
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Only for training and service purposes
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- 19 -
3. Digital TV Video Trouble Shooting
Summary of Contents for M2262D
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