![Panasonic PT53X54J - 53](http://html.mh-extra.com/html/panasonic/pt53x54j-53-projection-tv-hd/pt53x54j-53-projection-tv-hd_service-manual_273091009.webp)
http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s0300000000x.html
3 Important safety tests
Measuring H.V.
The anode caps are cemented to the CRTs. To gain access for high voltage measurement, remove the red CRTs anode
lead from the flyback transformer distributor. Grasp the anode lead protective cap at its bottom and squeeze it
against thelocking cap body inside, rotate 1/4 turn counter clockwise and pull the anode lead sleeve out of the FBT
distributor. Connect a high voltage positive lead from your H.V. meter to the FBT distributor, and the common negative lead
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
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Содержание PT53X54J - 53" PROJECTION TV HD
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Страница 166: ...1 2 3 4 5 6 7 8 A B C D E F G H I J D PCB PAGE 1 of 2 TNP2AH059 PT 53X54J ...
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Страница 168: ...1 2 3 4 5 6 7 8 A B C D E F G H I J DC PCB TOP BOTTOM VIEW TNP2AA163 PT 53X54J ...
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Страница 170: ...1 2 3 4 5 6 7 8 A B C D E F G H I J DG PCB TOP VIEW TNP2AA173 PT 53X54J ...
Страница 171: ...1 2 3 4 5 6 7 8 A B C D E F G H I J H PCB TNP2AA174 PT 53X54J ...
Страница 172: ...1 2 3 4 5 6 7 8 A B C D E F G H I J CD PCB G PCB K PCB R PCB TNP2AA166 TNP2AA164 TNP2AA165 TNPA0615AB PT 53X54J ...
Страница 173: ...1 2 3 4 5 6 7 8 A B C D E F G H I J LB PCB TNP2AA161 PT 53X54J ...
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