Service Manual
Model No.:
5
˅
TV failure
TV no channel
Check if there is RF
signal input
Y
Check if there is
+5V at PIN7 of
TUNER1
N
Y
Y
Y
N
Check the power
supply circuit to
this PIN7
Check if there is
intermediate
frequency signal
output at PIN11 of
TUNER1
Check if there
is I2C signal
at PIN4 &
PIN5 of TUNER
Check the I2C
circuit
between
U10 and
TUNER1
Check the
tuner
Check the signal
circuit between
U10 and TUNER1
Fix the RF
set
N
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Summary of Contents for L22C360
Page 13: ...3 4 LCD Panel 12 Service Manual Model No MTC216TVM C14H CMO V216B1 P13 ...
Page 39: ...9 Trouble shooting 9 1 Simple check Service Manual Model No 39 ...
Page 42: ...Service Manual Model No 42 3 Panel display abnormally connector is at normal level CN205 ...
Page 46: ...Service Manual Model No 7 PC no picture or picture abnormal 48 ...
Page 47: ...Service Manual Model No 8 YPBPR AV SCART no picture or picture abnormal Check Y 49 ...
