Philips SPENDEX 40 Maintenance Manual page 63
Speech encryption decryption equipment
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Also See for SPENDEX 40:
- Operating manual (25 pages) ,
- Operating instructions manual (21 pages)
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NATO CONFIDENTIAL
S P E N D E X 4 0 U A 8 2 5 1 / 0 0 A N D / O l L I M I T E D M A I N T E N A N C E M A N U A L
7.4.11 Mounting of the key generator board
- Place the key generator board on the distant pieces mounted on the
c o n t r o l l e r b o a r d ;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws;
- Place the key generator board/controller board assembly into the
housing on position 4/5 and press it into the connectors X9 and Xll
of the mother board.
7 . 4 . 1 2 M o u n t i n g o f t h e c o n t r o l l e r b o a r d
- Place the controller board on the distant pieces mounted on the key
generator board;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws;
- Place the key generator board/controller board assembly into the
housing on position 4/5 and press it into the connectors X9 and Xll
of the mother board.
7 . 4 . 1 3 M o u n t i n g o f t h e t i m i n g b o a r d
- Check the hardware settings of the timing board. Change them, if
necessary;
- Place the timing board on the distant pieces mounted on the
telephony board;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
- Tighten the socket head screws;
- Place the timing board/telephony board assembly into the housing on
I p o s i t i o n 6 / 7 a n d p r e s s i t i n t o t h e c o n n e c t o r s X 1 3 a n d X 1 5 o f t h e
mother board.
7.4.14 Mounting of the telephony board
- Place the telephony board on the distant pieces mounted on the
timing board;
- Apply the 5 M3 socket head screws, including the plain washers and
the retaining Belleville washers to the appropriate places;
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- Place the timing board/telephony board assembly into the housing on
position 6/7 and press it into the connectors X13 and X15 of the
mother board.
7.4.15 Mounting of the power supply unit
- Check the mains voltage setting. Change it, if necessary;
- Connect the connectors X70 to X69 and X71 to X72. The connectors
9 9 2 2
1 5 4
1 3 4 3 1
7 - 9
NATO CONFIDENTIAL
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