33
XG-NV7XU
TROUBLE SHOOTING TABLE
(Continued)
Checking the Video unit circuit
Yes
No
Check the IC3401 selector switch,
terminal voltage and input circuit.
Yes
No
Is there video signal input at IC4001?
Check the low-pass and buffer
circuits of Q4002 thru Q4005.
Yes
No
Are there signal outputs at pins (6)
and (8) of IC4001?
Check IC4001 and its peripheral
circuits (bias).
Yes
No
Check the low-pass and buffer circuits
of Q4004 thru Q4008. Is the signal as
specified?
Go to "Checking IC801 (RGB signal
output circuit)".
Is there video signal output at pin (7)
of IC3401?
Check Q4004 thru Q4008 and their
peripheral circuits.
Summary of Contents for Notevision XG-NV7XU
Page 2: ...2 XG NV7XU Specifications ...
Page 8: ...8 XG NV7XU Location of Controls ...
Page 12: ...12 XG NV7XU Connection Pin Assignments ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 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 ...
Page 77: ...101 XG NV7XU 6 5 4 3 2 1 A B C D E F G H Main Unit Component Side ...
Page 79: ...103 XG NV7XU 6 5 4 3 2 1 A B C D E F G H PC I F Unit Component Side ...