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747-400 MAINTENANCE MANUAL
S 865-146
(2) Prepare the INPUT MONITORING page to monitor C/14/350/00:
NOTE: Label 350 monitors the center IRU input.
____
(a)
Push C/14/350/00 on the scratchpad.
(b)
Push the necessary LSK to show "C/14/350/00" below the PORT LBL SDI indication. 1) Make sure SAMPLE intermittently shows below C/14/350/00.
S 735-147
(3) Do the digital inputs check for label 350:
(a)
Set the C-IRS mode select switch on the P5 pilot's overhead panel to the ALIGN position.
(b)
Make sure 0 shows for bit position 28.
(c)
Set the C-IRS mode select switch to the OFF position.
(d)
Make sure 1 shows for bit position 28.
I. Left Flight Management Computer Digital Inputs Check
S 865-234
(1)
Show the INPUT MONITORING page on the center CDU (AMM 45-10-00/201).
S 865-149
(2)
Prepare the INPUT MONITORING page to monitor E/42/350/00:
NOTE: Label 350 monitors these LRU inputs:
____ -VOR L(R)
-ADC L(C,R)
-DME L(R)
-CLOCK
-EFIS CONTROL PANEL L(R)
-EIU L(C,R)
-ILS L (or MMR L)
(a)
Put the applicable EEC MAINT ENG 1 (2, 3, or 4) POWER switch on the P461 panel to the TEST position.
(b)
Push E/42/350/00 on the scratchpad.
(c)
Push the necessary LSK to show E/42/350/00 below the PORT LBL SDI indication. 1) Make sure SAMPLE intermittently shows below E/42/350/00.
S 735-151
(3) Do the left inputs check for label 350:
(a)
Make sure 0 shows for bit positions 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26 and 28.
(b)
Open these circuit breakers:
1) P6 Main Power Distribution Panel a) 6H8 ELEX CLOCK
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747-400 MAINTENANCE MANUAL
2) P7 Overhead Circuit Breaker Panel
a) 7A6 NAV RADIO ILS L
b) 7A9 NAV RADIO MKR VOR L
c) 7A10 ADC L PWR
d) 7B8 NAV RADIO DME L
e) 7C2 FMCS CDU L
f) 7E9 MCP L
g) 7E19 MCP R
h) 7F11 EFIS CONT L
i) 7F9 EIU L
(c)
Make sure 1 shows for bit positions 11, 13, 16, 17, 19, 21, 24 and 28.
(d)
Close these circuit breakers:
1) P6 Main Power Distribution Panel
a) 6H8 ELEX CLOCK
2) P7 Overhead Circuit Breaker Panel
a) 7A6 NAV RADIO ILS L
b) 7A9 NAV RADIO MKR VOR L
c) 7A10 ADC L PWR
d) 7B8 NAV RADIO DME L
e) 7C2 FMCS CDU L
f) 7E9 MCP L
g) 7E19 MCP R
h) 7F11 EFIS CONT L
i) 7F9 EIU L
S 735-152
(4) Do the right inputs check for label 350:
(a) Open these circuit breakers:
1) P7 Overhead Circuit Breaker Panel
a) 7C24 FMCS CDU R
b) 7F15 EIU R
c) 7F16 EFIS CONT R
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747-400 MAINTENANCE MANUAL
d) 7A14 ADC R PWR
e) 7A15 ADC R AOA
f) 7B17 NAV RADIO ILS R
g) 7B19 NAV RADIO DME R
h) 7B21 NAV RADIO VOR R
(b)
Make sure 1 shows for bit positions 12, 14, 18, 20, 22 and 25.
(c)
Close these circuit breakers:
1) P7 Overhead Circuit breaker panel
a) 7C24 FMCS CDU R
b) 7F15 EIU R
c) 7F16 EFIS CONT R
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