37
XG-NV7XU
TROUBLE SHOOTING TABLE
(Continued)
No audio output
Yes
No
Check the input, the switching circuit
of IC3301 and IC3302, and their
peripheral circuit.
Is there audio signal inputs at pin (2)
of IC302?
Yes
No
Check the IC5201 control voltage,
and its peripheral circuits.
Is there audio signal outputs at pin (7)
of IC302?
Yes
No
Check IC301 and its peripheral
circuits.
Is there audio signal outputs at pin (6)
of IC301?
Check IC301 and its peripheral
circuits, and the SP connectors and
speakers.
If the voltage at pin (7) of IC301 is
not as specified, check Q302, Q303
and their peripheral circuits.
Checkig the Power Unit
There are no voltage output at
PA and PB connector.
No
No
No
Yes
Yes
Are PA and PB connector
disconnected or loose?
Reconnect the PA and PB
connector.
Replace AC Power Switch
(QCNW-5413 CEZZ).
Replace Power Unit.
Are AC power switch
(QCNW-5413CEZZ) and
bimetal nomal?
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 ...