Philips Dell W2300 Service Manual page 40

40
W2300
Go to cover page
10.No TV sound
Check if tuner 1501
nd
pin 10 output 2 -IF
signal
Yes
Go to connector 3
11.No earphone
sound
Check if TDA1308
7953 pin 8=5V
Yes
Check TDA1308 7953
Pin 7 output PHONE-OUT-R
Pin 1 output PHONE-OUT-L
signals
Yes
Replace Phone Jack board
12.No remote
function
Try another remote
control
No
Check IR receiver
Repair Flow Chart
No
Replace 1501
No
Eliminate short and open
situation
No
Replace 7953
Yes
Replace one good remote
control
13.LED and
function key poor
Check circuit around
control board and
cable between
control board and
scaler board