Haier HL22KN1 Service Manual page 47

Display trouble（exceptional
screen）
Y
Refer to "6"
TV no audio but picture
The same as in PC and YPBPR mode?
Y
1. Change SAW2
2. Examine PIN No.29,30 of U21
3. Examine the power supply for
U21
4. Change U21
N
If there was signal on
Pin2 of SAW2/AF389A2D?
1.Check the circuit
between SAW2/pin2
and C133/0.01μF
2.change C133.
N