4 - 29
No
Yes
Yes
Yes
No
Yes
No
No
No image appears on LCD monitor.
Is video signal output
from the AV/S input/
output jack?
Refer to "No video
signal from the AV/S
input/output jack".
TL8030 (LCD-G):
Video signal
Replace the MAN
circuit board.
Replace the LCD unit.
Set to service position (B).
Does backlight turn on?
Replace the LCD unit.
Replace D0510.
TL0525 (C8.5V):
8.5V DC
Remove the MAN circuit
board and solder a lead
wire to check points
TL0525
MAN (A)
TL8030
AEL (A)
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
1C
Need not
1B
Need
Troubleshooting > Trouble Diagnosis