45
KRP-500P
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Yes
Yes
Yes
Yes
Yes
Video-Display-Related Problems
Note:
As reset light emission
from the G9 panel is dim, be
sure to reduce the ambient
light for checking.
• Check the DRF S
W
.
• 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.
Failure in the display.
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.
W
hen the MR is replaced,
is the problem resolved?
W
hen the system cable is replaced,
is the problem resolved?
[SM for the MR]
Failure analysis of the MR MAI
N
BLOCK Assy => MA3
Yes
Replace the system cable.
N
o
N
o
Yes
Audio-Related Problems
W
hen the system cable is replaced,
is the problem resolved?
W
hen the MR is replaced,
is the problem resolved?
[SM for the MR]
Failure analysis of the audio system => AU1
Yes
Replace the system cable.
Replace the panel
chassis.
[SM for the Display]
Failure analysis of the audio system => PA1
N
o
Is there light emission by reset
discharge?
Is the drive OFF?
Yes
Turn the drive O
N
.
Does an erroneous display
appear locally?
Does that erroneous display appear
by the unit of 1 address or 1 TCP?
Yes
Does that erroneous display appear
by the unit of 1 scan?
[SM for the Display]
Failure analysis of the drive => DR4
[SM for the Display]
Failure analysis of the DIGITAL Assy => DG1
N
o
N
o
Is the panel mask properly
displayed?
[SM for the Display]
Failure analysis of the drive => DR2
N
o
N
o
N
o
Does the panel arbitrarily shut off
and on repeatedly? Or, are there
dark cells on the display?
[SM for the Display]
Failure analysis of the Display PO
W
ER SUPPLY Unit => PP3
[SM for the Display]
Failure analysis of the drive => DR2
N
o
N
o
[SM for the Display]
Failure analysis of the drive => DR1
[SM for the Display]
Failure analysis of the drive => DR3
Yes
N
o
N
o
Содержание KURO KRP-500P
Страница 11: ...11 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F 2 3 PANEL FACILITIES WYSIXK5 and WYS5 types only LFT and WA5 types ...
Страница 12: ...12 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 Remote Control Unit for WYSIXK5 and WYS5 types ...
Страница 13: ...13 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F Remote Control Unit for LFT type ...
Страница 14: ...14 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 Remote Control Unit for WA5 type ...
Страница 19: ...19 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 20: ...20 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Страница 22: ...22 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Страница 23: ...23 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F OVERALL DIAGRAM KRP 500P ...
Страница 139: ...139 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 148: ...148 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 9 5 REAR SECTION POWER SUPPLY P8 Refer to 9 6 FRONT SECTION ...
Страница 156: ...156 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 9 9 PANEL CHASSIS SECTION ...