Video Part-1 - LG LST-3410A Service Manual

3. VIDEO PART-1

No display
IC114(3-pin)
No
+1.8V out
OK
Yes
VX100(3-pin)
No
27MHz clock out
OK
Yes
IC120(2-pin)
No
27MHz clock out
OK
Yes
IC161(7-pin) No
clock out
OK
Yes
IC105(93-pin) No
ì0î =Low
OK
Yes
IC116,IC117
No
IC118,IC119(37-pin)
108MHz clock input
OK
Yes
IC116,IC117
No
IC118,IC119
Solder OK
Yes
Video Part OK
No
IC114(1-pin)
+3.3V input
OK
Yes
VX100 change
VX100(4-pin)
No
+3.3V input
OK
Yes
VX100 change
IC120(6-pin)
No
+3.3V input
OK
Yes
IC120 change
IC161(2,3,11-pin)
No
+3.3V input
OK
Yes
IC161
Soldering check
or change
IC105 CPLD
Program
R227,R228
R229,R230
Soldering check
Re-soldering
J114 Connector
Power Cable
Check
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