8
2
No pictures available only in PAL mode (3-line Y/C separation defective)
NO
Is a composite signal available
Failure in Q5302 to Q5305.
at Pin 3 of IC5303?
(See Fig. 8.)
YES
NO
NO
Are the Y/C signals available
Is 5V available at the power
T5302 disconnected or fail-
at TP5304/TP5305?
pin of IC5303?
ure in the power supply.
(See Figs. 12 and 13.)
YES
YES
Are the Y/C signals available
IC5303 is out of order.
at TP5306/TP5307?
(See Figs. 12 and 13.)
NO
YES
Failure in IC5306 to IC5309.
Failure in Q5306 to Q5310.
Conditions:
1. During the reception of
VIDEO PAL C-BAR
2. Mode VIDEO
Fig. 12 Signal Y
TP5304 1.2Vpp
TP5306 1Vpp
Fig. 13 Signal C
TP5305 Burst section : 300mVpp
TP5307 Burst section : 300mVpp
Содержание PlasmaSync 50MP1
Страница 1: ...USE THIS SERVICE MANUAL WHEN SERVICING Model PLA 50V1 ...
Страница 10: ...PlasmaSync Plasma Monitor User s Manual NEC Technologies ...
Страница 64: ...TROUBLESHOOTING 4 1 ...
Страница 80: ...METHOD OF ADJUSTMENTS 5 1 ...
Страница 98: ...CIRCUIT DESCRIPTION 6 1 ...
Страница 113: ...METHOD OF DISASSEMBLY 7 1 ...
Страница 134: ...PACKAGING 8 1 ...
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Страница 147: ...PART LIST 9 1 ...
Страница 158: ...CONNECTION DIAGRAMS 10 1 ...
Страница 160: ...BLOCK DIAGRAMS 11 1 ...
Страница 163: ...SCHEMATIC DIAGRAMS 12 1 ...
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