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47
LC-28HM2
AN-28SP2
TROUBLE SHOOTING TABLE
(Continued)
No picture
Ye
s
No
No picture of video line and component line
signals
Are there normal outputs at
pins (3), (5) and (6) of IC406?
Check IC406 and its
peripherals.
Ye
s
No
Are there normal inputs at pins
(51), (52) and (53) of IC801?
Check the peripherals.
Ye
s
No
Are there normal outputs at pins
(41), (42) and (43) of IC801?
Check IC801 and its
peripherals.
Ye
s
No
Are there normal outputs at
pins (3), (7) and (11) of IC803?
Check RGB filter unit
(KA266N).
Ye
s
No
Are there signals at pins (1),
(2), (11), (12), (15), (16), (25)
and (26) of SC1408?
Ye
s
It is possible that display is
in trouble.
It is possible that PC I/F unit
(CPCi-0040CE) is in trouble.
Ye
s
No
No picture of video line signals
Are there normal
input/output on IC401?
Check IC401 and its
peripherals.
Ye
s
No
Are there normal outputs at
pins (83) and (84) of IC7001?
Check IC7001, IC7002 and
their peripherals.
Ye
s
No
Is there normal input at pin
(1) of IC407?
Check IC407 and the
peripherals of IC7003.
Ye
s
No
Are there normal inputs at
pins (13) and (15) of IC801?
Check IC407 and the
peripherals of IC801.
Ye
s
No
Are there normal outputs at
pins (4), (5) and (6) of IC801?
Check IC801 and its
peripherals.
No picture depending on color
system
Check the peripheral circuits of
IC801 (iX3323CE).
Содержание LC-28HM2
Страница 49: ...49 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT DISPLAY ...
Страница 50: ...50 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT AVC SYSTEM ...
Страница 70: ...76 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë CONTROL UNIT DISPLAY ...
Страница 71: ...77 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë R C RECEIVER UNIT DISPLAY ...
Страница 74: ...82 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP 1 UNIT DISPLAY ...
Страница 75: ...83 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP 2 UNIT DISPLAY ...
Страница 76: ...84 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë LAMP GND UNIT DISPLAY ...
Страница 77: ...85 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Ë FRONT TERMINAL UNIT AVC SYSTEM DUNTKA354NJ01 ...
Страница 90: ...108 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Power Unit Display Component Side ...
Страница 92: ...110 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Main Unit AVC System A Side ...
Страница 93: ...111 LC 28HM2 AN 28SP2 6 5 4 3 2 1 A B C D E F G H Main Unit AVC System B Side ...