to cold ground
FBT leads removal
Note:
Reinsert the anode lead into the FBT distributor until it is tightly and fully seated. Turn the
locking cap clockwise to lock in place.
(EHT) Protector operation check
With the cabinet back removed, apply a nominal 120V A.C. to the PTV.
Over voltage test
Preparation:
1. Turn PTV “OFF”
2. Connect a NTSC signal generator to the antenna terminal.
3. Connect DVM positive lead to D31 pin 2 and negative lead to D31
pin 1 on D-Board
H.V. measurement
4. Connect a H.V. meter (static type, class 0.1) with high voltage
leads to high voltage distributor on FBT.
DVM and power supply connection
6
Содержание PT47WX34J - 47" PROJECTION TV
Страница 24: ...D656 MAZ41100MF DIODE ZENER 24 ...
Страница 41: ...M006 TXF3A01ECV DAG GND 41 ...
Страница 113: ...5 PTV Location of controls 10 ...
Страница 124: ...A BOARD 21 ...
Страница 125: ...D BOARD 22 ...
Страница 126: ...R BOARD VIEW DC BOARD TOP VIEW 23 ...
Страница 127: ...DC BOARD BOTTOM VIEW DV BOARD 24 ...
Страница 128: ...DG BOARD TOP VIEW DG BOARD BOTTOM VIEW 25 ...
Страница 178: ...19 5 Instructional flow for service mode 75 ...
Страница 179: ...76 ...
Страница 180: ...20 Reference of PDF links color 21 Conductor views 77 ...
Страница 182: ...22 2 Video block diagram 23 Schematic diagrams 23 1 Schematic diagrams notes 79 ...
Страница 183: ...80 ...
Страница 184: ...23 2 Notas de los diagramas esquematicos 81 ...
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Страница 187: ...23 27 Voltages 23 28 Waveforms 24 Parts location 25 Parts list 25 1 Description of abbreviations guide 84 ...
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Страница 201: ...98 ...
Страница 207: ...Q 104 ...
Страница 209: ...Q 106 ...
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