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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
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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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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