Philips SPENDEX 40 Maintenance Manual page 47

NATO CONFIDENTIAL
SPENDEX 40 UA 8251/00 AND /Ol LIMITED MAINTENANCE MANUAL
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6 . 2 . 1
Fatal hardware alarms - fault finding table
Display Meaning Suspected module
"%BLK RAM" Data memory black faulty
• Controller board
"%INT --1" Timer short interrupt
cannot be reset
• Controller board
"%INT --2" Timer long interrupt
cannot be reset
• Controller board
"%INT --4"
Keyboard interrupt
cannot be reset
• Controller board
"%INT -1-" Modem interrupt
cannot be reset
• Controller board
"%INT -2-" Vocoder interrupt
cannot be reset
• Controller board
"%INT -4-" Time base interrupt
cannot be reset
• Controller board
"%INT 1--" Bubble interrupt
cannot be reset
• Controller board
"%INT 2--" L i n e - i n i n t e r r u p t
cannot be reset
• Controller board
"%INT 4--"
L i n e - o u t i n t e r r u p t
cannot be reset
• Controller board
" X I N T 1 "
RST 5.5 interrupt
cannot be reset
• Controller board
" X I N T 2 " RST 6.5 interrupt
cannot be reset
• Controller board
"XM EPROM" Main-EPROM faulty
• Controller board
"XRED RAM" Data memory red faulty
• Controller board
"XTIBASE " Time base alarm
• Timing board
"XTMLONG " Timer long faulty
• Timing board
"XTMSHRT " Timer short faulty
• Timing board
"XU EPROM" User-EPROM faulty
• Key memory board
9922 154 13431
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NATO CONFIDENTIAL
6-3