(No.YA711<Rev.002>)1-23
Is approxi5V voltage supplied to Pin(1) of
IC631?
Yes
No
Check Q634, D650 and their periphery circuit, and
service it if defective.
See FLOW CHART No.5
No
AL+3.3V is not output.
FLOW CHART NO.18
Is approxi34V voltage supplied to the
collector of Q634?
Yes
Replace IC631.
Check C636, D636, D637 and their periphery
circuit, and service it if defective.
Check Q202, Q203, D204, P-ON-H1 line and their
periphery circuit, and service it if defective.
Replace Q206.
Is approximately -8V voltage supplied to the
base of Q206?
Yes
No
No
LCD-7.1V is not output.
FLOW CHART NO.19
Is approximately -9V voltage supplied to the
Anode of D636?
Yes
Summary of Contents for LT19D200 - 19" LCD TV
Page 10: ...1 10 No YA711 Rev 002 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 4 S 2 S 2 S 3 Fig D1 ...
Page 70: ...2 54 No YA711 Rev 001 No YA711 Rev 001 2 53 TOP PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...
Page 71: ... No YA711 Rev 001 2 55 2 56 No YA711 Rev 001 R699 TOP MAIN PWB PATTERN PARTS SIDE ...
