Specifications

62
TPT1.0A LA
8. Circuit Descriptions and IC Data Sheets
4.No TV sound
Check if
tuner pin11
output IF
signal
TU101
No
Replace TU101
Yes
Check U118
5.No earthphone sound
Check
U120=5V
No
Yes
Check U118
pin17=DACA_R
pin18=DACA_L
No
Replace U118
Replace Side AV Board
Yes
6.No remote function
Tty another
remote control
No
Replace one good
remote control
Yes
Check IR receiver
7.LED and function
key poor
Check circuit around
control board and cable
between control board
and scaler board
8.No HDMI picture
Check U111
has HDMI code
No
Write HDMI code in
U111
Yes
Check Scaler Board
Replace U120
No
Eliminate short and open
situation
Check
CN033=5V
Yes