-20-
Check Start
Does Screen appear?
1.Confirm AC connection
2.Confirm Power S/W ON
3.Check Video or other
PCBs
Is the Soundinput Jack
correctly connected?
Check the connection of ja
Is the Speaker
correctly connected?
Check the connection of S
SPEAKER or SOUND CABLE has a
trouble.
Y
N
N
Y
Y
N
Y
Are P622A and P
625A Outputs
norm
Perhaps IC009 or IC008
problem. replace main PCB.
N
Trouble Shooting
5-2. When No Sound
5-3. When Key does not operate
42G1 : replace the key PCB.
42/46 U1 : replace the touch botton.
Summary of Contents for DLT - 42G1LTBD
Page 8: ...8 3 Block Diagram 3 1 Signal Block Diagram...
Page 9: ...9 Block Diagram 3 2 Power Tree...
Page 13: ...13 5 Trouble Shooting 5 1 No signal OSD is working but on images are displaying...
Page 17: ...17 Trouble Shooting 1024 X 768 60Hz R signal RC629 near IC601 G Signal RC627 near IC601...
Page 22: ...22 6 Schematic Diagram...
Page 23: ...23 Circuit Diagram...
Page 24: ...24 Circuit Diagram...
Page 25: ...25 Circuit Diagram...
Page 26: ...26 Circuit Diagram...
Page 27: ...27 Circuit Diagram...
Page 28: ...28 Circuit Diagram...
Page 29: ...29 Circuit Diagram...
Page 30: ...30 Circuit Diagram...
Page 31: ...31 Circuit Diagram...
Page 32: ...32 Circuit Diagram...
Page 33: ...33 Circuit Diagram...
Page 34: ...34 7 Printed Circuit Board TOP PCB BOTTOM PCB...
Page 35: ...35 8 Mechanical Exploded Diagram DLT 42G1...
Page 36: ...36 Exploded View DLT 42U1...
Page 37: ...37 Exploded View DLT 46U1...
