Service Manual
Model No.:
- 43 -
4) No sound
No sound
N
N
Check if there is sound input
signal
Reset
volume
Y
Y
Check the
input
source
N
Check if the volume control is
at 0 level or muted
Check the
speakers
Y
N
Check if there is output at
CN701
Check if there is +12V input at
Check if the power supply
system is damaged, short
circuit or mis-connected
N
Y
voltage
Check the mute control
Y
N
Check if there is signal input at PIN1
& PIN of U70
Check the audio input
circuit from U706 to
U701
N
Y
Replace U701
circuit from
PIN7 OF U701
U701
Q701,Q704
Check if MUTE PIN of is low
8
1
9
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 ...
