44
XV-Z2000
DT-400
Checking the Sync Signal
Is the horizontal synchronized
signal on pin (6) of IC6003?
Is the vertical synchronized signal
on pin (6) of IC6009?
Is the synchronized signal
outputted from IC5009, IC5005,
IC5006, IC5007 and IC5008?
Are the timing of both vertical and
horizontal synchronized signals
correct?
Is the horizontal synchronized
signal on pin (30) of IC6004?
Is the vertical synchronized signal
on pin (31) of IC6004?
The sync signal is normal.
End of checking.
YES
NO
Check the of the signal input part.
NO
YES
YES
YES
YES
NO
YES
Check each IC and their peripheral
circuits.
NO
Check IC6001, IC6002 and their
peripheral circuits.
NO
Set the signal source appropriately.
NO
2
Is the signal generator (input
source) correct?
YES
IC8001 and its periphery is
defective.
NO
Is the horizontal synchronized
signal on pin (66) of IC6004?
Is the vertical synchronized signal
on pin (64) of IC6004?
YES
YES
NO
Failure of IC6004 and its
peripheral circuit.
NO
Summary of Contents for DT-400
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Page 97: ...17 16 19 18 15 14 13 12 11 10 97 XV Z2000 DT 400 ...
Page 122: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËMAIN UNIT HAUPTEINHEIT 1 9 D3 ...
Page 123: ...17 16 19 18 15 14 13 12 11 10 D4 ...
Page 124: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËMAIN UNIT HAUPTEINHEIT 2 9 D5 ...
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Page 128: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËMAIN UNIT HAUPTEINHEIT 4 9 D9 ...
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Page 132: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËMAIN UNIT HAUPTEINHEIT 6 9 D13 ...
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Page 140: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËFORMATTER UNIT FORMATTER EINHEIT 1 6 D21 ...
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Page 151: ...17 16 19 18 15 14 13 12 11 10 D32 ...
Page 152: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H ËPOWER UNIT NETZTEILEINHEIT D33 ...
Page 153: ...17 16 19 18 15 14 13 12 11 10 D34 ...
Page 154: ...6 5 4 3 2 1 A B C D E F G H ËR C FRONT UNIT D35 ËR C REAR UNIT ...
Page 155: ...6 5 4 3 2 1 A B C D E F G H ...