Hitachi DZ-GX5020A - Page 52

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Troubleshooting > Trouble Diagnosis
Message "Write protected. Check disc" appears
even if a DVD with no write-protect is loaded.
Replace the DVD drive unit.
Message "Disc is not formatted. Format the disc
now?" appears even if a formatted DVD is loaded.
Replace the DVD drive unit
No
Ye s
Ye s
Ye s
No
Ye s
No
No
No image appears on LCD monitor.
Is video signal output
from the AV output
jack?
Refer to "No video
signal from the AV
output jack".
TL7025 (LCD-G):
Video signal
Replace the LCD unit.
Set to service position (B).
Does backlight turn on? Replace the LCD unit.
TL7026 (C8.5V):
8.5V DC
TL7025 MAN (B)
TL7026 MAN (B)
List of check points
Symptom
Circuit board
(side)
Location on
circuit board
Lead wire
soldered
or not
7D Need
7D Need
Replace the MAN
circuit board.
Replace the DVD drive
unit.
Message "DISC ACCESS" does not disappear
even if a normal DVD is loaded.
Replace the DVD drive unit.