41
XG-NV7XU
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-2
Checking the sync signal circuit and its peripheral parts
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
B
Is the sync signal of separate type?
No
Are there signals at TP4 and TP5?
IC302 or terminal unit defective.
Is the sync signal SYNC ON GREEN?
No
Is there signal at pin (7) of IC8036?
IC23, IC34, IC36 or peripheral part
defective.
No
Are there signals at pins (149)(TL8034)
and (150)(TL8035) of IC8020?
IC8025 or peripheral part defective.
Is the input a lower-than-XGA-resolution
signal or a video signal?
Yes
No
Are there signals at pins (26)(TL8043),
(28)(TL8041) and (29)(TL8042) of IC8020?
IC8020 or peripheral part defective.
No
Are there signals at even-numbered pins
from (52) thru (100) of IC8503?
IC8029 or peripheral part defective.
Checking the PLL circuit and its peripheral parts
No
Are there signals at pins (6) and (22) of
IC8015?
Yes
No
No
Are there signals at pins (18) and (19) of
IC8015?
Yes
Checking the video circuit and its
peripheral parts.
Yes
Is the higher-than-XGA-resolution display
as specified?
Yes
Is the lower-than-XGA-resolution display
as specified?
Yes
No
Is the display as specified with VCR
connected?
IC8025 or peripheral part defective.
IC8015 or peripheral part defective.
Is there a panel link input?
Is there a panel link input?
Go to "Checking the video circuit and its
peripheral parts".
Go to "Checking the SXGA video circuit
and its peripheral parts".
No
Go to "Checking the aVGA video circuit
and its peripheral parts".
No
No
No
C
A
D
Yes
E
C
No
No
Содержание Notevision XG-NV7XU
Страница 2: ...2 XG NV7XU Specifications ...
Страница 8: ...8 XG NV7XU Location of Controls ...
Страница 12: ...12 XG NV7XU Connection Pin Assignments ...
Страница 47: ...49 XG NV7XU 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM TERMINAL UNIT ...
Страница 48: ...51 XG NV7XU 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM TERMINAL ...
Страница 51: ...55 XG NV7XU 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 1 7 ...
Страница 52: ...57 XG NV7XU 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 2 7 ...
Страница 53: ...59 XG NV7XU 58 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 3 7 ...
Страница 54: ...61 XG NV7XU 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 4 7 ...
Страница 55: ...63 XG NV7XU 62 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 5 7 ...
Страница 56: ...65 XG NV7XU 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 6 7 ...
Страница 57: ...67 XG NV7XU 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN UNIT 7 7 ...
Страница 58: ...69 XG NV7XU 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TERMINAL UNIT ...
Страница 59: ...71 XG NV7XU 70 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SOUND OUT UNIT ...
Страница 60: ...72 XG NV7XU 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë R C RECEIVER UNIT 6 5 4 3 2 1 A B C D E F G H ...
Страница 61: ...73 XG NV7XU 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H Ë OPERATION KEY UNIT ...
Страница 62: ...75 XG NV7XU 74 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 1 12 ...
Страница 63: ...77 XG NV7XU 76 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 2 12 ...
Страница 64: ...79 XG NV7XU 78 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 3 12 ...
Страница 65: ...81 XG NV7XU 80 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 4 12 ...
Страница 66: ...83 XG NV7XU 82 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 5 12 ...
Страница 67: ...85 XG NV7XU 84 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 6 12 ...
Страница 68: ...87 XG NV7XU 86 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 7 12 ...
Страница 69: ...89 XG NV7XU 88 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 8 12 ...
Страница 70: ...91 XG NV7XU 90 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 9 12 ...
Страница 71: ...93 XG NV7XU 92 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 10 12 ...
Страница 72: ...95 XG NV7XU 94 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 11 12 ...
Страница 73: ...97 XG NV7XU 96 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë PC I F UNIT 12 12 ...
Страница 74: ...98 XG NV7XU 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë PC I F SUB UNIT 1 6 5 4 3 2 1 A B C D E F G H ...
Страница 75: ...99 XG NV7XU 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H Ë PC I F SUB UNIT 2 ...
Страница 76: ...100 XG NV7XU 6 5 4 3 2 1 A B C D E F G H Main Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...
Страница 77: ...101 XG NV7XU 6 5 4 3 2 1 A B C D E F G H Main Unit Component Side ...
Страница 79: ...103 XG NV7XU 6 5 4 3 2 1 A B C D E F G H PC I F Unit Component Side ...
Страница 82: ...106 XG NV7XU 6 5 4 3 2 1 A B C D E F G H Operation Key Unit Component Side Operation Key Unit Wiring Side ...