Service Manual
Model No.:
- 49 -
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
CJ26
Check if there is +12V input at
PIN7of U19
Check if the power supply
system is damaged, short
circuit or mis-connected
N
Y
Check if MUTE PIN of U19 is low
voltage
Check the volume control
circuit from R302
U19
Y
N
Check if there is signal input at PIN1
& PIN9 of U19
Check the volume input
circuit from U8 to
U19
N
Y
Replace U19
Summary of Contents for MSDV1636-O3
Page 13: ...3 4 LED Panel 12 Service Manual Model No 316156WB111 CLAA156WB 11A ...
Page 28: ...7 Electrical parts 7 1 Block diagram Service Manual Model No 26 06 ...
Page 48: ...Service Manual Model No 46 9 Trouble shooting 9 1 Simple check ...
Page 50: ...Service Manual Model No 48 3 Panel display abnormally connector j20 is at normal level ...
Page 54: ...Service Manual Model No 52 7 PC no picture or picture abnormal ...
Page 55: ...Service Manual Model No 8 YPBPR AV SCART no picture or picture abnormal Check Y 53 ...
