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
5. Connect the 15 ~ 25 V DC variable power supply positive lead to
D34 or IC802 pin 2 (D Board) and negative lead to heat sink of
Q551 or D825
Procedures:
1. Apply a NTSC white pattern.
6
Содержание PT53TW53G - 53" PROJECTION TV HD
Страница 11: ...6 Receiver feature table 11 ...
Страница 25: ...9 Conductor views 9 1 K and G Board printed circuit 10 Schematics 10 1 Schematic diagrams notes 25 ...
Страница 26: ...26 ...
Страница 27: ...10 2 Notas de los diagramas esquematicos 27 ...
Страница 28: ...28 ...
Страница 32: ...32 ...
Страница 59: ...1 2 3 4 5 6 7 8 A B C D E F G H I J K BOARD TNP2AA138 G BOARD TNP2AA137 PT 53TW53G PT 56TW53G ...
Страница 60: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 1 5 TNP2AH045AA PT 53TW53G PT 56TW53G ...
Страница 61: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 2 5 TNP2AH045AA PT 53TW53G PT 56TW53G ...
Страница 62: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 3 5 TNP2AH045AA PT 53TW53G PT 56TW53G ...
Страница 63: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 4 5 TNP2AH045AA PT 53TW53G PT 56TW53G ...
Страница 64: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 5 5 TNP2AH045AA PT 53TW53G PT 56TW53G ...
Страница 134: ...5 PTV Location of controls 10 ...
Страница 145: ...A BOARD 21 ...
Страница 146: ...D BOARD 22 ...
Страница 147: ...R BOARD VIEW DC BOARD TOP VIEW 23 ...
Страница 148: ...DC BOARD BOTTOM VIEW DV BOARD 24 ...
Страница 149: ...DG BOARD TOP VIEW DG BOARD BOTTOM VIEW 25 ...
Страница 199: ...19 5 Instructional flow for service mode 75 ...
Страница 200: ...76 ...
Страница 201: ...20 Reference of PDF links color 21 Conductor views 77 ...
Страница 203: ...22 2 Video block diagram 23 Schematic diagrams 23 1 Schematic diagrams notes 79 ...
Страница 204: ...80 ...
Страница 205: ...23 2 Notas de los diagramas esquematicos 81 ...
Страница 206: ...82 ...
Страница 208: ...23 27 Voltages 23 28 Waveforms 24 Parts location 25 Parts list 25 1 Description of abbreviations guide 84 ...
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Страница 228: ...Q 104 ...
Страница 230: ...Q 106 ...
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