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1
A
Video-Display-Related Problems
When the system cable is replaced,
is the problem resolved?
No
When the MR is replaced,
is the problem resolved?
No
B
Is there light emission by reset
discharge?
Yes
Note: As reset light emission
from the G9 panel is dim, be
sure to reduce the ambient
light for checking.
Does the panel arbitrarily shut off
and on repeatedly? Or, are there
dark cells on the display?
C
Yes
Does an erroneous display
appear locally?
No
Is the panel mask properly
displayed?
D
Yes
Check with the combination of the moving/slanting ramp or other mask patterns and mirror function:
• Moving pattern: For checking erroneously discharged cells, load change is constantly caused on a screen.
• Ramp pattern: For checking gradation expression.
• Mirror function: For checking if a defective indication is interlocked with mirror inversion, in order to identify
a defective point.
[SM for the Display]
Failure analysis of the DIGITAL Assy => DG1
E
Audio-Related Problems
When the system cable is replaced,
is the problem resolved?
No
When the MR is replaced,
is the problem resolved?
No
Failure in the display.
[SM for the Display]
F
Failure analysis of the audio system => PA1
36
1
2
Yes
Replace the system cable.
Yes
[SM for the MR]
Failure analysis of the MR MAIN BLOCK Assy => MA3
No
Is the drive OFF?
No
[SM for the Display]
Failure analysis of the drive => DR1
No
[SM for the Display]
Failure analysis of the Display POWER SUPPLY Unit => PP3
No
[SM for the Display]
Failure analysis of the drive => DR2
Yes
Does that erroneous display appear
by the unit of 1 address or 1 TCP?
Yes
[SM for the Display]
Failure analysis of the drive => DR3
No
[SM for the Display]
Failure analysis of the drive => DR2
Yes
Replace the system cable.
Yes
[SM for the MR]
Failure analysis of the audio system => AU1
KRP-M01
2
3
Yes
Turn the drive ON.
• Check the DRF SW.
• If the drive was turned off with the RS-232C command or with the
remote control unit, turn the unit off then turn the drive on.
• In a case of dark cells or repeated on/off.
• In a case of dark cells.
No
Does that erroneous display appear
by the unit of 1 scan?
Yes
[SM for the Display]
Failure analysis of the drive => DR4
3
4
No
Replace the panel
chassis.
4

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