Service Manual
Model No.:
- 50 -
5
˅
TV failure
TV no channel
Check if there is RF
signal input
Y
Check if there is
+5V at PIN6 of
TUU2
N
Y
Y
Y
N
Check the power
supply circuit to
this PIN
Check if there is
intermediate
frequency signal
output at PIN12 of
TUU2
Check if there
is I2C signal
at PIN4 &
PIN5 of TUNER1
Check the I2C
circuit
between
U8and
TUU2
Check the
tuner
Check the signal
circuit between
U8 and TUU2
Fix the RF
set
N
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 ...