Teac LEDV2282FHD - Page 16

N Y
Dose U7
work
normal
and
it’s
network
Y N
Check I2C data
network’s
connection
to
U13(MSD306P
T) #Y6,W6 pin
N
Y
Does U14 have TS signal output?
N
Check
U13(MSD3
06PT)
signal
network
concerned
Y
Change
Tuner
Does U13
have TS
signal output
Check
external
circuit
N
Y
Picture 7 Function Unit
(DTV broke down)
TV not searching/no image
External RF input signal
Whether or not normal
Check
external
RF
equipment
Check tuner VCC whether has 5V
Check Tuner’s I
2
C data