Acrodyne NW8201E DIGITAL TELEVISION BROADCAST TRANSMITTER User Manual 32 NV8202 26 04 06 01 00

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Document ID	864581
Application ID	vnwefxrVtvE1edbLlVsrmQ==
Document Description	Users Manual Part 16
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	124.85kB (1560604 bits)
Date Submitted	2007-11-06 00:00:00
Date Available	2008-01-18 00:00:00
Creation Date	2007-11-02 12:33:11
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2007-11-02 12:33:27
Document Title	32 NV8202-26.04.06-01.00.book
Document Creator	FrameMaker 7.0
Document Author:	HUPFAUER

Chapter 8
Service
1) Room for the shorting plug pins
4.3
Replacing the Power Distribution Board
ATTENTION!
Always make sure that the power supply is disconnected before commencing any service
work on the transmitter rack; this will prevent injury caused by electric shock and damage
to the instruments.
4.3.1
Removing the Power Distribution Board
To remove the power distribution board proceed as follows:
1. Using a Torx screwdriver No. 20, remove the front panel of the power distribution.
2. Remove all plugs before removing the power distribution board.
3. Unscrew the SUB-D connector on the right of the longitudinal edge (two screws).
4. Use a Phillips screwdriver No. 1 to undo eight screws on the automatic line fuses.
Fig. 7 Removing the power distribution board
1) Screws on the automatic line fuses
2) Screws on the SUB-D connector
5. Using a Torx screwdriver No. 8 remove seven fixing screws from the power distribution
board.
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Chapter 8
Service
Fig. 8 Removing the power distribution board
1) Fixing screws on the power distribution board
6. To take out the PCB, first slide it downward.
4.3.2
Installing the Power Distribution Board
) Replace the power distribution board by proceeding in the reverse order.
Note
When replacing the power distribution board, make sure that it feeds into the right slots.
Fig. 9 Installing the power distribution board
1) Wrong
2) Right
3) Pressing with a screwdriver visibly opens the right chamber
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Chapter 8
4.4
Service
Replacing an Automatic Line Fuse
ATTENTION!
Always make sure that the power supply is disconnected before commencing any service
work on the transmitter rack; this will prevent injury caused by electric shock and damage
to the instruments.
4.4.1
Removing an Automatic Line Fuse
Note
Before removing an automatic line fuse, the power distribution board must be removed (see
"Removing the Power Distribution Board").
To remove the automatic line fuse proceed as follows:
1. Remove the power distribution board.
2. From above, grip the back of the automatic line fuse you wish to remove and undo the
white plastic springs.
3. Remove the automatic line fuse.
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Chapter 8
Service
Fig. 10 Automatic line fuse
1) Upper plastic spring
2) Lower plastic spring
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Chapter 8
Service
Fig. 11 Removing the power supply unit
4.5.2
Installing the Auxiliary Power Supply
) Replace the power supply unit by proceeding in the reverse order.
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Modify Date                     : 2007:11:02 12:33:27-04:00
Create Date                     : 2007:11:02 12:33:11-04:00
Title                           : 32 NV8202-26.04.06-01.00.book
Author                          : HUPFAUER
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Page Count                      : 5
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