Specifications

TPF1.3A LA
74
Repair Flow Chart
5.no TV sound
Check if tuner 1501
pin 10 output 2nd IF
signal
No
Replace 1501
Yes
Chenck 7901
6. No earphone
sound
Check TPA3005D2
7151 5162=16V
Eliminate short and open
situation
No
Check TPA3005D2 7151
PIN 2=MSP-OUT-R
PIN 6=MSP-OUT-L
Replace 7151
No
Yes
Yes
Replace phone Jack Board
7. No remote
function
Try another remote
control
Yes
No
Check IR receiver
Replace one good
remote control
8.LED and
function key poor
Check circuit around
control board and
cable between
control board and
scaler board
[url=http://www.hqjdw.com/register.php?fromuser=乖乖狗]
红旗家电维修论坛,游客都可以下载资料[/url]
乖乖狗制作,严禁转载
http://www.hqjdw.com/?fromuid=乖乖狗